Newsroom

Newsroom

The WaterNSW newsroom provides access to our latest media releases and statements.

For the latest algae red alert information please visit our Alerts and updates page.

WaterNSW’s media team can be contacted via:

Tony Webber
Phone: (02) 6841 2006
Mobile: 0428 613 478
Email: Tony.Webber@waternsw.com.au

Blue-green algae Red Alert for Copeton Dam storage

Algal alerts

Date published: 15 September 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Copeton Dam located near Inverell.

Blue-green algae Red Alert warning for Copeton Dam storage has been cleared

Algal alerts

Date published: 28 July 2020

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for the Copeton Dam storage

Red Alert warning lifted at Williams River at Seaham Weir

Algal alerts

Date published: 27 May 2020

The red alert at Williams River at Seaham Weir has now been lifted as blue green algae concentrations remained below red alert levels over the past two weeks.

Blue-green algae Red Alert for Williams River at Seaham Weir

Algal alerts

Date published: 18 May 2020

A Red Alert warning (high alert) for blue-green algae has been issued for the Williams River at Seaham Weir in the Hunter region. The Red Alert is being managed by Hunter Water with ongoing monitoring in place for Seaham Weir and downstream sites. Current results indicate the bloom is contained in the Seaham Weir pool although caution should be applied by water users in the area.

Red Alert warning lifted at Lostock Dam and the downstream Paterson River

Algal alerts

Date published: 14 May 2020

The Red Alert at Lostock Dam and the Paterson River has now been lifted following two consecutive results below red alert levels. There have been no recent reports of algal scums in the lake and river.

Blue green algae Red Alert warning lifted at Burrendong Dam

Algal alerts

Date published: 30 April 2020

The previously issued high level algal warning (Red Alert) at Burrendong Dam, located 30 kilometres south-east of Wellington in the Central West region.

Red Alert blue-green algal warning lifted for Burrendong Dam

Algal alerts

Date published: 24 April 2020

The red alert warning for the Burrendong Dam in the Macquarie River has now been lifted.

Blue green algae Red Alert warnings lifted for the Edward River and Gulpa Creek

Algal alerts

Date published: 23 April 2020

The previously issued high level algal warnings (Red Alert) for the Edward River at Deniliquin and the Gulpa Creek at Mathoura have now been cleared.

Blue green algae Red Alert warnings lifted for the Murray River

Algal alerts

Date published: 23 April 2020

The previously issued high level algal warnings (Red Alert) at Corowa, downstream from Yarrawonga Weir, Picnic Point and Moama/Echuca on the Murray River have all been cleared.

Blue green algae Red Alert warnings lifted for the Edward River and Gulpa Creek

Algal alerts

Date published: 23 April 2020

The previously issued high level algal warnings (Red Alert) for the Edward River at Deniliquin and the Gulpa Creek at Mathoura have now been cleared.

Blue green algae Red Alert warnings lifted for the Murray River

Algal alerts

Date published: 23 April 2020

The previously issued high level algal warnings (Red Alert) at Corowa, downstream from Yarrawonga Weir, Picnic Point and Moama/Echuca on the Murray River have all been cleared.

Blue-green algae Red Alert for Lostock Dam and Paterson River

Algal alerts

Date published: 22 April 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Lostock Dam and the Paterson River upstream and downstream of the storage. The Red Alert is based on highly concentrated scums observed in the lake and stretches of the Paterson River. The lake is currently spilling which increases the likelihood of downstream impacts relating to the bloom. Samples have been taken and results are pending.

Blue green algae Red Alert warning lifted for Buronga

Algal alerts

Date published: 16 April 2020

The previously issued high level algal warnings (Red Alert) for Buronga has been cleared.

Blue-green algae Red Alert for Pejar Dam near Goulburn

Algal alerts

Date published: 16 April 2020

A recreational Red Alert level warning (high alert) for blue-green algae has been issued for Pejar Dam near Goulburn in southern NSW. Recent monitoring by Goulburn Mulwaree Council has shown high concentrations of potential toxin producing cyanobacteria.

Blue green algae Red Alert warning lifted for Cobram and Tocumwal

Algal alerts

Date published: 16 April 2020

The previously issued high level algal warning (Red Alert) for Cobram and Tocumwal on the Murray River has been cleared. Monitoring conducted by WaterNSW has shown that concentrations of blue-green algae have declined considerably.  Red alerts issued for Corowa and immediately downstream from Yarrawonga Weir remain current until consecutive weekly results fall below the high alert threshold.

Blue-green algae Red Alert for the Burrendong Dam

Algal alerts

Date published: 14 April 2020

A Red Alert warning (high alert) for blue-green algae has been issued for Burrendong Dam which is located 30 kilometres south-east of Wellington in the Central West region.

Blue-green algae Red Alert for Murray River at Moama/Echuca

Algal alerts

Date published: 08 April 2020

A new red alert warning (high alert) has been issued for Moama/Echuca on the Murray River. This declaration of a red alert follows testing undertaken by WaterNSW. A red alert level warning (high alert) remains in place for the Murray River between Corowa and Picnic Point, as weekly monitoring shows a potentially harmful algal bloom is persistent. WaterNSW will continue to monitor water quality at key locations and will provide updates soon as results become available.

Blue green algae Red Alert warning lifted for the Murray River, Merbein to Lock 9

Algal alerts

Date published: 07 April 2020

The previously issued high level algal warning (Red Alert) for Merbein to Lock 9 on the Murray River has been cleared.

Blue-green algae Red Alert warning for Split Rock Dam and the Namoi River Downstream Keepit Dam have been cleared.

Algal alerts

Date published: 06 April 2020

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for Split Rock Dam and the Namoi River Downstream Keepit Dam.

Blue green algae Red Alert warning for the Murray River at Buronga and Mildura

Algal alerts

Date published: 01 April 2020

A high-level algal warning (Red Alert) has been issued for the Murray River at Buronga and Mildura. The red alert previously issued for downstream Merbein pump station to Lock 9 remains current. This declaration of a red alert follows testing undertaken by WaterNSW. Levels of blue green algae in other sections of the river continue to fluctuate.

Blue green algae Red Alert warning for the Murray River at Corowa, downstream from Yarrawonga Weir and Cobram

Algal alerts

Date published: 01 April 2020

A high-level algal warning (Red Alert) has been issued for the Murray River at Corowa, immediately downstream from Yarrawonga Weir and at Cobram. The red alert previously issued for Picnic Point and Tocumwal remains current. This declaration of a red alert follows testing undertaken by WaterNSW. Levels of blue green algae in other sections of the river continue to fluctuate.

Blue green algae Red Alert warning for the Gulpa Creek at Mathoura and the Edward River at Deniliquin

Algal alerts

Date published: 01 April 2020

A high-level algal warning (Red Alert) has been issued for the Gulpa Creek at Mathoura and the Edward River at Deniliquin.  This declaration of a red alert follows testing undertaken by WaterNSW.

Blue-green algae Red Alert warning for Manilla River at Barraba has been cleared.

Algal alerts

Date published: 01 April 2020

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for the Manilla River at Barraba.

Blue green algae Red Alert warning for Picnic Point on the Murray River

Algal alerts

Date published: 31 March 2020

A high-level algal warning (Red Alert) has been issued for Picnic Point on the Murray River.

Red Alert warning lifted for the Hunter River upstream of Glenbawn Dam

Algal alerts

Date published: 26 March 2020

The Red Alert for the Hunter River upstream of Glenbawn Dam has now been lifted.

Blue-green algae Red Alert warning for Chaffey Dam storage has been cleared.

Algal alerts

Date published: 24 March 2020

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for the Chaffey Dam storage located 30km South-East of Tamworth. Monitoring by WaterNSW shows that algae numbers have decreased.

Blue-green algae Red Alert warning for Manilla River at Barraba

Algal alerts

Date published: 23 March 2020

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for the Manilla River at Barraba. This alert is based on visual observations and WaterNSW will follow up with algae sampling.

Blue green algae Red Alert warning lifted for Hume Dam

Algal alerts

Date published: 23 March 2020

The previously issued high level algal warning (Red Alert) for Hume Dam has been cleared.

Red Alert warning lifted for Angourie Blue Pool near Yamba

Algal alerts

Date published: 23 March 2020

The Red Alert for Angourie Blue Pool near Yamba has now been lifted.

Blue green algae Red Alert warning for Murray River at Tocumwal

Algal alerts

Date published: 23 March 2020

A high-level algal warning (Red Alert) has been issued for Tocumwal on the River Murray. This declaration of a red alert follows the weekly testing undertaken by WaterNSW. Levels of blue green algae in other sections of the river continue to fluctuate.

Blue-green algae Red Alert for Wyangala Dam storage and for the Lachlan River downstream Wyangala Dam

Algal alerts

Date published: 20 March 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Wyangala Dam and the Lachlan River downstream of Wyangala Dam. Wyangala Dam is located 30km South-East of Cowra.

Blue-green algae Red Alert for Fitzroy Falls Reservoir

Algal alerts

Date published: 20 March 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Fitzroy Falls Reservoir near Moss Vale, after sampling by WaterNSW revealed high levels of blue-green algae.

Blue-green algae downstream from Fort Courage to Lock 9

Algal alerts

Date published: 17 March 2020

A red alert level warning (high alert) for potentially toxic blue-green algae has been issued for the River Murray immediately downstream from Fort Courage to Lock 9.

Blue-green algae Red Alert for the Namoi River downstream Keepit Dam

Algal alerts

Date published: 13 March 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for the Namoi River downstream Keepit Dam located 40km North-East of Tamworth.

All Red blue-green algae warnings lifted for all Lake Cargelligo sampling sites

Algal alerts

Date published: 12 March 2020

All Red Alert warnings for blue-green algae from Lake Cargelligo has been lifted. Most sampling sites in Lake Cargelligo are now on amber alert for blue-green algae.

Blue-green algae Red Alert Downstream from Merbein on the Murray River to Fort Courage

Algal alerts

Date published: 12 March 2020

A new red alert level warning (high alert) is in place for a 40 km section of the Murray River below Merbein and includes the locations of Wentworth and Fort Courage. The red alert issued for the Psyche Bend to Merbein section of the river remains current.

Blue-green algae Red Alert for Harrington Park Lake in Harrington Park

Algal alerts

Date published: 10 March 2020

A recreational Red Alert level warning (high alert) for blue-green algae has been issued for Harrington Park Lake in Harrington Park near Camden, south of Sydney. Sampling by Camden Council has shown high numbers of a potentially toxic species and lower numbers of a second potentially toxic species.

Blue green algae Red Alert warning lifted downstream from Yarrawonga Weir/Lake Mulwala

Algal alerts

Date published: 06 March 2020

The previously issued high level algal warning (Red Alert) for sites downstream from Yarrawonga Weir/Lake Mulwala has been cleared.

Red Alert warning for blue-green algae lifted for the Sandy Creek arm in Wyangala Dam

Algal alerts

Date published: 05 March 2020

The Red Alert warning for the Wyangala Dam Sandy Creek arm (site DWYA02), has been lifted following two consecutive laboratory analysis results below red alert level. The Sandy Creek Arm is now on Green alert for blue-green algae.

Blue-green algae Red Alert Psyche Bend downstream to Merbein on the Murray River

Algal alerts

Date published: 04 March 2020

A red alert level warning (high alert) is in place for a 20 km section of the Murray River between Psyche Bend and Merbein.

Red blue-green algae warnings lifted for two Lake Cargelligo sampling sites (Outlet at Lake Creek and Town water Supply)

Algal alerts

Date published: 04 March 2020

The Red Alert warnings for blue-green algae at Lake Cargelligo Outlet at Lake Creek and Lake Cargelligo Town Water Supply has been lifted following two consecutive results below red alert level. While these two sites are now on amber alert, there is still a red alert warning in place for Lake Cargelligo at the Boatshed.

Blue-green algae Red Alert for Chaffey Dam storage

Algal alerts

Date published: 28 February 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Chaffey Dam located 30 km South East of Tamworth.

Red Alert warning lifted for Harrington Park Lake

Algal alerts

Date published: 27 February 2020

The Red Alert for Harrington Park Lake in Harrington Park near Camden has now been lifted. Recent sampling by Camden Council has shown significant reductions in levels of blue-green algae in this, and other lakes across the region.

Blue-green algae red alert issued for Hume Dam

Algal alerts

Date published: 24 February 2020

A red alert level warning (high alert) has been issued for Hume Dam. Water quality monitoring by WaterNSW indicates the presence of high levels of potentially toxic cyanobacteria.

Red Alert warning lifted for Toonumbar Dam

Algal alerts

Date published: 24 February 2020

The Red Alert for Toonumbar Dam west of Kyogle has now been lifted. Sampling by WaterNSW dam staff has shown significantly reduced levels of blue-green algae at both sampling points on the dam. It is now at Green Alert with regular monitoring still in place.

Red Alert warning for blue-green algae lifted for the Abercrombie River arm in Wyangala Dam

Algal alerts

Date published: 21 February 2020

The Red Alert warning for the Wyangala Dam Abercrombie River arm (site DWYA05), has been lifted following two consecutive laboratory analysis results below red alert level.

Red Alert warning lifted for the Redbank Weir

Algal alerts

Date published: 19 February 2020

The red alert warning for blue-green algae at Redbank Weir in the Murrumbidgee River has now been lifted.

Blue-green algae Red Alert for Malpas Dam

Algal alerts

Date published: 18 February 2020

Barwon-Regional Algae Coordinating Committee (B-RACC) has issued a Red Alert (high alert) for blue-green algae warning for Malpas Dam on behalf of Armidale Regional Council. Malpas Dam is located approximately 10km South East of Guyra.

Red alert for blue-green algae at Lake Cargelligo has spread further in the Lake

Algal alerts

Date published: 18 February 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Lake Cargelligo Town Water Supply sampling site. This follows Red alerts for blue-green algae that were declared for Lake Cargelligo Outlet at Lake Creek and Lake Cargelligo Boatshed on 11 February.

Blue-green algae Red Alert for Darling River at Tilpa and Darling River at Rose Isle

Algal alerts

Date published: 17 February 2020

A red alert level warning (high alert) for blue-green algae has been issued for Darling River at Tilpa and Rose Isle located approximately 60km South West of Bourke. This alert also applies to existing pools in the river that extend upstream and downstream of these sites.

Blue-green algae Warning Yarrawonga and D/S to Tocumwal

Algal alerts

Date published: 13 February 2020

A red alert level warning (high alert) has been issued for Yarrawonga Weir/Lake Mulwala by Goulburn Murray Water and due to observed impacts downstream on the River Murray to Tocumwal.

Red Alert warning lifted for Richmond River at Casino

Algal alerts

Date published: 05 February 2020

The Red Alert for the Richmond River at Casino has now been lifted. Sampling by Richmond Valley Council has shown significantly reduced levels of blue-green algae. The site is now at Green Alert with regular monitoring still in place.

Blue-green algae Red Alert for Lake Wallace and downstream in the Coxs River

Algal alerts

Date published: 05 February 2020

A Red Alert level warning (high alert) for blue-green algae has been issued for Lake Wallace near Lithgow and downstream in the Coxs River after sampling by Energy Australia showed high levels of potentially toxic species.

Blue-green algae Red Alerts for Angourie Blue and Green Pools in Angourie near Yamba

Algal alerts

Date published: 03 February 2020

A recreational Red Alert level warning (high alert) for blue-green algae has been issued for Angourie Blue and Green Pools in Angourie, south of Yamba. Sampling by Clarence Valley Council has shown high levels of potentially toxic species in both pools.

Blue-green algae Red Alerts for Burtundy and Ellerslie

Algal alerts

Date published: 03 February 2020

A red alert level warning (high alert) has been issued on the Darling River at Burtundy and Ellerslie.

Red Alert warning lifted for blue-green algae at Lake Cargelligo Outlet

Algal alerts

Date published: 03 February 2020

The Red Alert warning for Lake Cargelligo Outlet at Lake Creek has been lifted following two consecutive results below red alert level. Lake Cargelligo Outlet is now on Amber alert for blue-green algae.

Blue-green algae Red Alert for Darling River at Louth

Algal alerts

Date published: 30 January 2020

A red alert level warning (high alert) for blue-green algae has been issued for Darling River at Louth.

Blue-green algae Red Alert for the Hunter River upstream of Glenbawn Dam

Algal alerts

Date published: 28 January 2020

A recreational Red Alert warning (high alert) for blue-green algae has been issued for the Hunter River upstream of Glenbawn Dam. Sampling by WaterNSW has shown significant levels of a variety of potentially toxic species.

Red Alert warning lifted for Commissioners Waters extending to Blue Holes near Armidale

Algal alerts

Date published: 24 January 2020

The blue-green algal Red Alert for Commissioners Waters extending to Blue Holes near Armidale has now been lifted. Sampling by WaterNSW has shown significantly reduced levels of blue-green algae.

Blue green algae Red Alert warning lifted at Lake Ainsworth in Lennox Head

Algal alerts

Date published: 23 January 2020

A Red Alert level warning (high alert) for blue-green algae has been lifted for Lake Ainsworth in the North Coast region following sampling by Ballina Shire Council.

Red Alert warning lifted for the Macintyre River at Boggabilla Weir

Algal alerts

Date published: 23 January 2020

The Red Alert for the Macintyre River at Boggabilla Weir has now been lifted. Sampling by WaterNSW has shown reduced levels of blue-green algae. The site is now at Amber Alert with fortnightly monitoring still in place.

Blue-green algae Red Alert for the Macintyre River at Lake Inverell

Algal alerts

Date published: 23 January 2020

A red alert level warning (high alert) for blue-green algae has been issued for the Macintyre River at Lake Inverell. Recent sampling by WaterNSW has shown high levels of a potentially toxic species. Inverell Shire Council have installed warning signs in key locations.

Red Alert warning for blue-green algae lifted for the Wyangala Dam

Algal alerts

Date published: 22 January 2020

The Red Alert warning for two areas in the Wyangala Dam has been lifted following two consecutive results below red alert levels. Wyangala Dam is now on Amber alert for blue-green algae.

Red Alert warning lifted for Lake Lyell near Lithgow

Algal alerts

Date published: 21 January 2020

The Red Alert for Lake Lyell has now been lifted. Sampling by Energy Australia has shown significantly reduced levels of blue-green algae. The site is now at Amber Alert with fortnightly monitoring still in place.

Red Alert warning lifted for Saltwater Creek Outlet to Rainbow Beach near Port Macquarie

Algal alerts

Date published: 21 January 2020

The Red Alert for Saltwater Creek Outlet to Rainbow Beach in Bonny Hills, south of Port Macquarie, has now been lifted. Sampling by Port Macquarie Hastings Council has shown significantly reduced levels of blue-green algae. The site is now at Green Alert with regular monitoring still in place.

Blue green algae Red Alert warning lifted at Windamere Dam

Algal alerts

Date published: 20 January 2020

The Central West Regional Algal Coordinating Committee (CW-RACC) today announced that the previously issued Red Level algal warning (high alert) at Windamere Dam has been downgraded to Amber Level (medium alert).

Blue-green algae Red Alert for Lake Ainsworth Lennox Head

Algal alerts

Date published: 17 January 2020

A recreational red alert warning (high alert) for blue-green algae has been issued for Lake Ainsworth in Lennox Head, north of Ballina. Sampling by Ballina Shire Council has shown high levels of Microcystis aeruginosa and genetic testing has revealed it has potential to produce toxins.

Blue-green algae Red Alert Stoney Crossing on the Wakool River

Algal alerts

Date published: 15 January 2020

A red alert level warning (high alert) has been issued on the Wakool River at Stoney Crossing based on a visual inspection. Water sampling is currently underway to confirm the levels of blue green algae at Stoney Creek.

Blue-green algae Red Alert for Richmond River at Casino

Algal alerts

Date published: 14 January 2020

A recreational Red Alert warning (high alert) for blue-green algae has been issued for the Richmond River at Casino in the vicinity of Jabour Weir and the boat ramp. Sampling by Richmond Valley Council showed high levels of a potentially toxic species.

Blue green algae Red Alert warning lifted for Curlwaa to Wentworth

Algal alerts

Date published: 13 January 2020

The previously issued high level algal warning (Red Alert) for Curlwaa to Wentworth on the Murray River has been cleared.

Blue-green algae Red Alert for Macquarie River downstream of Burrendong Dam

Algal alerts

Date published: 08 January 2020

A Red Alert warning (high alert) for blue-green algae has been issued for Macquarie River downstream of Burrendong Dam which is located 30 kilometres south-east of Wellington in the Central West region.

Blue green algae Red Alert warning lifted for Red Cliffs to Merbein

Algal alerts

Date published: 08 January 2020

The previously issued high level algal warnings (Red Alert) for Red Cliffs to Merbein on the Murray River have been cleared. A Red Alert remains current downstream at Curlwaa and further advice will be provided following additional monitoring.

Blue-green algae Red Alert for Doughboy Hollow in Singleton

Algal alerts

Date published: 06 January 2020

A recreational Red Alert warning (high alert) for blue-green algae has been issued for Doughboy Hollow in Singleton after sampling by Singleton Council contractors revealed high levels of a potentially toxic species.

Blue green algae Red Alert warning lifted for Red Cliffs to Merbein

Algal alerts

Date published: 03 January 2020

The previously issued high level algal warnings (Red Alert) for Red Cliffs to Merbein on the Murray River have been cleared. A Red Alert remains current downstream at Curlwaa and further advice will be provided following additional monitoring.

Blue-green algae Red Alert for Bogan River at Gongolgon

Algal alerts

Date published: 03 January 2020

A red alert level warning (high alert) for potentially toxic blue-green algae has been issued for the Bogan River at Gongolgon, south of Brewarrina.

Blue-green algae Red Alert issued for Windamere Dam

Algal alerts

Date published: 24 December 2019

A red alert warning (high alert) for blue-green algae has been issued for Windamere Dam located in the Central West region, around 30 kilometres south-east of Mudgee.

Blue-green algae Red Alert for Harrington Park Lake in Harrington Park

Algal alerts

Date published: 23 December 2019

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for Harrington Park Lake in Harrington Park, near Camden, south of Sydney.

Blue-green algae Red Alert for Saltwater Creek outlet to Rainbow Beach Port Macquarie

Algal alerts

Date published: 20 December 2019

A recreational red alert warning (high alert) for blue-green algae has been issued for Saltwater Creek outlet to Rainbow Beach in Port Macquarie. Sampling by Port Macquarie-Hastings Council has shown very high numbers of a range of species including one with the potential to produce toxins.

Blue-green algae Red Alert for Mehi River at Gundare west of Moree

Algal alerts

Date published: 12 December 2019

A red alert level warning (high alert) for blue-green algae has been issued for Mehi River at Gundare, 60 km west of Moree based on visual observation. Sampling is being organised to confirm.

Blue-green algae Red Alert Lock 11 downstream to Lock 10 on the Murray River

Algal alerts

Date published: 11 December 2019

A red alert level warning (high alert) remains in place from Lock 11 Mildura to Red Cliffs. An additional Red Alert is in place from Lock 11 downstream to Merbein. This declaration of a red alert follows testing undertaken by local water authorities. Levels of blue green algae in other sections of the river continue to fluctuate.

Blue-green algae Red Alert for Murrumbidgee River at Redbank Weir

Algal alerts

Date published: 11 December 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Murrumbidgee River at Redbank Weir after sightings were reported in the weir pool.

Blue-green algae Red Alert for Pindari Dam storage

Algal alerts

Date published: 10 December 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the storage at Pindari Dam located north of Inverell.

Blue-green algae Red Alert for Warren Weir

Algal alerts

Date published: 05 December 2019

A Red Alert warning (high alert) for blue-green algae has been issued for Warren Weir located four kilometres south-east of Warren in the Central West region.

Blue-green algae Red Alert for Lake Yandel’ora in Mt Annan

Algal alerts

Date published: 04 December 2019

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for Lake Yandel’ora in Mt Annan, near Camden, south of Sydney. Monitoring by Camden Council has confirmed high levels of potentially toxic alage.

Blue-green algae Red Alert for Williams River at Clarence Town

Algal alerts

Date published: 04 December 2019

A recreational Red Alert warning (high alert) for blue-green algae has been issued for the Williams River at Clarence Town Caravan Park in the Hunter region.

Blue-green algae Red Alert for Mildura Weir Pool on the Murray River

Algal alerts

Date published: 03 December 2019

The Murray Sunraysia Regional Algal Coordinating Committee today issued a red alert (high alert) warning for blue-green algae in the Murray River at the Mildura Weir, from the Lock 11 Weir Pool to Bruce’s Bend boat ramp. This declaration of a red alert follows testing undertaken by local water authorities. Levels of blue green algae in other sections of the river continue to fluctuate.

Blue-green algae Red Alert for Lake Wetherell Site 3, upstream from Menindee

Algal alerts

Date published: 27 November 2019

A red alert level warning (high alert) for potentially toxic blue-green algae has been issued for Lake Wetherell Site 3 upstream from the Menindee Lakes.

Blue-green algae Red Alert for Toonumbar Dam

Algal alerts

Date published: 27 November 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Toonumbar Dam in the North Coast region.

Blue-green algae Red Alert for Burrendong Dam

Algal alerts

Date published: 26 November 2019

A Red Alert warning (high alert) for blue-green algae has been issued for Burrendong Dam located in the Central West region near of Wellington.

Red Alert warning for blue-green algae lifted for the Lachlan River at Corrong

Algal alerts

Date published: 14 November 2019

The Red Alert warning at Corrong in the Lachlan River has been lifted following two consecutive results below red alert levels.

Blue green algae Red Alert warning lifted at Macintyre River at Boggabilla

Algal alerts

Date published: 12 November 2019

The previously issued Red Alert level warning (high alert) for toxic blue-green algae at Macintyre River at Boggabilla and Goondiwindi has been cleared.

Blue-green algae Red Alert for Harrington Park Lake in Harrington Park

Algal alerts

Date published: 31 October 2019

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for Harrington Park Lake in Harrington Park, near Camden, south of Sydney.

Marine algal red alert issued for Berowra Waters

Algal alerts

Date published: 25 October 2019

A red alert level warning (high alert) for potentially toxic marine algae has been issued for the estuary at Berowra Waters.

Blue-green Algae Red Alert for the Lachlan River at Corrong

Algal alerts

Date published: 02 October 2019

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for the Lachlan River at Corrong.

Blue-green algae Red Alert for Macintyre River at Boggabilla

Algal alerts

Date published: 26 September 2019

A Red Alert level warning (high alert) for toxic blue-green algae has been issued for the Macintyre River at Boggabilla and Goondiwindi. High concentrations of cyanobacteria have been identified on the western town limits of Boggabilla and can be expected around Goondiwindi. Upstream releases may move algal concentrations further downstream.

Blue green algae Red Alert warning lifted at Lake Wetherell

Algal alerts

Date published: 24 September 2019

The high-level algal warning (Red Alert) that was in place at Lake Wetherell (Sites 1 and 4), near Menindee, has been lifted.

Blue green algae Red Alert warning lifted at Macintyre River at Boggabilla, Toomelah and Goondiwindi

Algal alerts

Date published: 22 August 2019

The Red Alert level warning (high alert) for toxic blue-green algae at Macintyre River at Boggabilla, Toomelah and Goondiwindi has been lifted.

Blue green algae Red Alert warning lifted at Windamere Dam

Algal alerts

Date published: 20 August 2019

The high-level algal warning (Red Alert) that was in place at Windamere Dam, upstream of Mudgee, has been lifted.

Blue-green algae Red Alert for Burrendong Dam

Algal alerts

Date published: 14 August 2019

A Red Alert warning (high alert) for blue-green algae has been issued for Burrendong Dam, located 30 kilometres south-east of Wellington in the Central West region.

Blue-green algae Red Alert issued for Windamere Dam

Algal alerts

Date published: 06 August 2019

A Red Alert warning (high alert) for blue-green algae has been issued for Windamere Dam, located
in the Central West region 30km south-east of Mudgee.

Blue green algae Red Alert warning lifted at Pindari Dam

Algal alerts

Date published: 29 July 2019

The Barwon Regional Algal Coordinating Committee (Barwon-RACC) has announced that the previously issued high level algal warning (Red Alert) at Pindari Dam, located North of Inverell, has been cleared.

Blue green algae Red Alert warning lifted at Windamere Dam

Algal alerts

Date published: 29 July 2019

The previously issued high level algal warning (Red Alert) at Windamere Dam upstream of Mudgee has been cleared.

Blue-green algae Red Alert for Lake Wetherell, upstream from Menindee

Algal alerts

Date published: 23 July 2019

A red alert level warning (high alert) for potentially toxic blue-green algae has been issued for Lake Wetherell, upstream from Menindee.

Blue-green algae Red Alert for Pindari Dam storage

Algal alerts

Date published: 18 July 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the storage at Pindari Dam, located north of Inverell.

Blue-green algae Red Alert for Windamere Dam

Algal alerts

Date published: 12 July 2019

A Red Alert warning (high alert) for blue-green algae for Windamere Dam located in the Central West region 30 kilometres south-east of Mudgee.

Blue green algae Red Alert warning lifted for Bogan River at Gongolgon

Algal alerts

Date published: 12 July 2019

The high-level algal warning (Red Alert) has been cleared for the Bogan River at Gongolgon, located 70km south of Brewarrina.

Blue green algae Red Alert warning lifted at Pindari Dam

Algal alerts

Date published: 19 June 2019

The Barwon Regional Algal Coordinating Committee (Barwon-RACC) today announced that the previously issued high level algal warning (Red Alert) at Pindari Dam, located North of Inverell, has been cleared.

Blue-green algae Red Alert for Macintyre River at Boggabilla, Toomelah and Goondiwindi

Algal alerts

Date published: 19 June 2019

A red alert level warning (high alert) for toxic blue-green algae has been issued for the Macintyre River at Boggabilla, Toomelah and Goondiwindi. This alert is applicable for areas extending upstream past Toomelah to downstream past Goondiwindi.

Red Alert warning lifted at Toonumbar Dam

Algal alerts

Date published: 18 June 2019

The red alert at Toonumbar Dam has now been lifted.

Blue green algae Red Alert warning lifted at Windamere Dam

Algal alerts

Date published: 12 June 2019

The high level algal warning (Red Alert) at Windamere Dam upstream of Mudgee has now been lifted.

Blue-green algae Red Alert for Windamere Dam

Algal alerts

Date published: 28 May 2019

A Red Alert warning (high alert) for blue-green algae at Windamere Dam located in the Central West region 30 kilometres south-east of Mudgee.

Blue green algae Red Alert warning lifted at Chifley Dam

Algal alerts

Date published: 24 May 2019

The previously issued high level algal warning (Red Alert) at Chifley Dam located in the Central West region 20 kilometres south of Bathurst has now been reduced.

Blue-green algae Red Alert for Wyangala Dam

Algal alerts

Date published: 23 May 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Wyangala Dam, located west of Cowra. Blue-green algae concentrations have increased significantly in the Lachlan River arm of the storage with the potential to move through the storage.

Blue-green algae Red Alert for Copeton Dam storage

Algal alerts

Date published: 23 May 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the water storage, Copeton Dam located near Inverell.

Red Alert warning lifted for the Murrumbidgee River at Redbank Weir

Algal alerts

Date published: 01 May 2019

The red alert warning for the Murrumbidgee at Redbank Weir has now been lifted due to consecutive results showing a reduction in blue green algae concentrations over the past few weeks.

Red Alert warning lifted at Gum Bend Lake near Condobolin

Algal alerts

Date published: 29 April 2019

The Red Alert at Gum Bend Lake near Condobolin has now been lifted following two consecutive results below red alert levels.

Red Alert warning lifted for the Macquarie River at Wellington, Geurie and extending to Dubbo

Algal alerts

Date published: 17 April 2019

The Red Alert at Macquarie River at Wellington, downstream to Geurie and extending to Dubbo has now been lifted following two consecutive results below red alert levels.

Red Alert warning lifted at Burrendong Dam

Algal alerts

Date published: 12 April 2019

The Red Alert at Burrendong Dam has now been lifted following two consecutive results below red alert levels.

Blue-green algae Red Alert for Murrumbidgee River at Redbank Weir

Algal alerts

Date published: 12 April 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Murrumbidgee River at Redbank Weir.

Blue-green algae Red Alert for Macquarie River at Wellington, Geurie extending to Dubbo

Algal alerts

Date published: 08 April 2019

A red alert level warning (high alert) for blue-green algae has been issued the Macquarie River extending from Wellington to the Dubbo area.

Blue-green algae Red Alert for Pindari Dam storage

Algal alerts

Date published: 04 April 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the storage at Pindari Dam located north of Inverell.

Red Alert warnings lifted for the Redbank and Balranald Weirs

Algal alerts

Date published: 01 April 2019

The red alert warnings for the Redbank and Balranald weirs have now been lifted.  While Redbank Weir has no algal alert warning, Balranald Weir is still on amber alert.

Blue green algae Red Alert warning lifted at Windamere Dam

Algal alerts

Date published: 01 April 2019

The previously issued high level algal warning (Red Alert) at Windamere Dam upstream of Mudgee has been cleared.

Red Alert warning for blue-green algae lifted for the Abercrombie River Arm upstream of the Wyangala Dam

Algal alerts

Date published: 27 March 2019

The red alert warning for the Abercrombie River Arm upstream of the Wyangala Dam has been downgraded to Amber Alert.

Blue-green algae Red Alert for Burrendong Dam

Algal alerts

Date published: 27 March 2019

A Red Alert warning (high alert) for blue-green algae has been issued for Burrendong Dam which is located 30 kilometres south-east of Wellington in the Central West region.

Blue-green algae Red Alert for the Abercrombie River Arm upstream of Wyangala Dam

Algal alerts

Date published: 19 March 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Abercrombie River Arm upstream of the Wyangala Dam.

Algae red alert for Murrumbidgee River at Redbank, Balranald weirs

Algal alerts

Date published: 15 March 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Murrumbidgee River at Redbank Weir as well as Balranald Weir.

Blue-green algae Red Alert for Copeton Dam storage

Algal alerts

Date published: 14 March 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Copeton Dam storage located near Inverell. Blue-green algae concentrations have again increased within the storage following decreases through February.

Red Alert warning lifted at Lostock Dam

Algal alerts

Date published: 11 March 2019

The Red Alert at Lostock Dam has now been lifted following two consecutive results below red alert levels.

Blue-green algae Red Alert for Chifley Dam

Algal alerts

Date published: 08 March 2019

A Red Alert warning (high alert) has been issued for blue-green algae at Chifley Dam, located in the Central West region 20 kilometres south of Bathurst.

Blue-green algae Red Alert for Windamere Dam

Algal alerts

Date published: 08 March 2019

A Red Alert warning (high alert) is in place for blue-green algae at Windamere Dam, located in the Central West region 30 kilometres south-east of Mudgee.

Blue-green algae Red Alert for Windamere Dam - downstream

Algal alerts

Date published: 28 February 2019

A Red Alert warning (high alert) for blue-green algae has been issued for downstream Windamere Dam, located in the Central West region 30km south-east of Mudgee.

Red Alert warnings lifted for Mannus Lake

Algal alerts

Date published: 28 February 2019

The red alert warning for Mannus Lake has now been reduced to a Green Alert.

Red Alert warnings lifted for the Hay weir pool and Murrumbidgee River at Maude Weir Buoy

Algal alerts

Date published: 22 February 2019

The red alert warnings for the Hay weir pool and Murrumbidgee River at Maude Weir Buoy have now been changed to Amber Alerts.

Blue-green algae Red Alert for Darling River at Caulpaulin located 25km South West of Wilcannia - Stock and domestic warning

Algal alerts

Date published: 22 February 2019

A red alert level warning (high alert) for blue-green algae has been issued for Darling River at Caulpaulin. This high result could be representative for all areas of the Darling River downstream Wilcannia to well past the Caulpaulin site which is located approximately 25km South West of Wilcannia.

Blue-green algae Red Alert for Copeton Dam storage

Algal alerts

Date published: 19 February 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the water storage, Copeton Dam, located near Inverell.

Blue-green algae Red Alert Issued for Toonumbar Dam

Algal alerts

Date published: 08 February 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Toonumbar Dam in the state’s north-east after monitoring by WaterNSW.

Red Alert warnings lifted for the Lake Hume

Algal alerts

Date published: 08 February 2019

A Red Alert level warning (high alert) for blue-green algae has been lifted for Lake Hume.

Red Alert for the Darling River at Pooncarie

Algal alerts

Date published: 06 February 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Darling River at Pooncarie in the Lower Darling Region. Environmental conditions are currently well suited to algal growth due to high temperatures and low flows in the river.

Blue-green algae Red Alert for the Gum Bend Lake near Condobolin

Algal alerts

Date published: 06 February 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Gum Bend Lake near Condobolin.

Blue-green algae Red Alert for Bray Park Weir

Algal alerts

Date published: 05 February 2019

Tweed Shire Council has issued a Red Alert level warning (high alert) for blue-green algae for Bray Park Weir in the North Coast region.

Blue-green algae Red Alert for Bogan River at Gongolgon

Algal alerts

Date published: 05 February 2019

A red alert level warning (high alert) for potentially toxic blue-green algae has been issued for the Bogan River at Gongolgon.

Red Alert warnings lifted for the Wentworth weir pool in the Lower Murray River.

Algal alerts

Date published: 02 February 2019

Today the red alert warning (high alert) for blue-green algae in the Murray River has been lifted in the Wentworth weir pool from Merbein to Lock 10, including Wentworth, following regular monitoring by Lower Murray Water.

Blue-green algae Red Alert for the Lachlan River at Lake Cargelligo Town Water Supply

Algal alerts

Date published: 24 January 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Lake Cargelligo at the Town Water Supply site.

Red Alert warnings lifted for the Mildura weir pool, sections of the Wentworth weir pool and the Lock 9 weir pool in the Lower Murray River.

Algal alerts

Date published: 24 January 2019

Today the red alert warnings (high alert) for blue-green algae in the Murray River have been lifted in the Mildura weir pool from Karadoc to Lock 11 and in the Wentworth weir pool from Lock 11 to Apex and in the Lock 9 weir pool, in the Lower Murray Region, following regular monitoring by Lower Murray Water.

Blue-green algae Red Alert for Darling River at Rose Isle located between Bourke and Louth. Stock and domestic warning

Algal alerts

Date published: 23 January 2019

A red alert level warning (high alert) for blue-green algae has been issued for Darling River at Rose Isle located approximately 50km below Bourke towards Louth.

Blue-green algae Red Alert for Macintyre River at Inverell

Algal alerts

Date published: 22 January 2019

A red alert level warning (high alert) for blue-green algae has been issued for Lake Inverell and the Macintyre River downstream of Lake Inverell.

Algal Red Alert issued for Lake Hume

Algal alerts

Date published: 18 January 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Lake Hume.  Due to the low water level existing in Lake Hume, this Red Alert applies throughout the lake. Environmental conditions are currently well suited to algal growth due to the prevailing high temperatures.

Blue-green algae Red Alert for Windamere Dam

Algal alerts

Date published: 17 January 2019

A Red Alert warning (high alert) for blue-green algae at Windamere Dam located in the Central West region 30 kilometres south-east of Mudgee.

Blue-green algae warning to communities that have dual reticulated water systems on the Darling and lower Barwon Rivers

Algal alerts

Date published: 17 January 2019

Due to high concentrations of potentially harmful blue green algae presently being experienced in the Darling and Barwon River from Brewarrina to Wilcannia, residents are reminded that many townships in this area use dual reticulated water systems.

Red Alert extended in the Lower Murray River for the Mildura weir pool and Wentworth weir pool

Algal alerts

Date published: 15 January 2019

A Red Alert level warning (high alert) for blue-green algae has been extended for the Murray River at the Mildura weir pool from the Lock 11 to Karadoc and at the Wentworth weir pool from Yelta to Lock 11 including Wentworth, in the Lower Murray Region. Environmental conditions are currently well suited to algal growth due to high temperatures in the river.

Red Alert for the Darling River at Burtundy

Algal alerts

Date published: 11 January 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the Darling River at Burtundy in the Lower Darling Region. Environmental conditions are currently well suited to algal growth due to high temperatures and low flows in the river.

Blue-green algae Red Alert for Lostock Dam

Algal alerts

Date published: 10 January 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for Lostock Dam in the Hunter region. The dam is currently at 97.2% capacity with any significant rainfall likely to move algal concentrations downstream in Paterson River should the dam spill.

Blue-green algae Red Alert for Murrumbidgee River in the Hay Weir Pool

Algal alerts

Date published: 10 January 2019

A Red Alert level warning (high alert) for blue-green algae has been issued for the whole of the Hay Weir pool in the Murrumbidgee River. The red alert follows laboratory results showing high levels of blue-green algae at the Hay Weir Buoy and Leonard Street sites where samples were collected recently.

Red Alert Update for the Darling River, Extending from Louth downstream to Tolarno

Algal alerts

Date published: 09 January 2019

A Red Alert level warning (high alert) for blue-green algae currently extends from Louth downstream to Tolarno in the Darling River. Red Alerts are also in place for the Menindee Lakes system.

Blue green algae Red Alert warning lifted at Pindari Dam

Algal alerts

Date published: 08 January 2019

The Barwon Regional Algal Coordinating Committee (Barwon-RACC) today announced that the previously issued high level algal warning (Red Alert) at Pindari Dam located North of Inverell has been cleared.

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94.6
Monday 21 September
-0.6
2,443,212 ML
2,581,850 ML
9,956 ML
1,423 ML
-16,193 ML
Monday 21 September