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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.

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.

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

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

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.

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.

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

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.

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

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.

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.

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.

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.

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.

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.

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.

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

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.

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

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.

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

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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

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.

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

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

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.

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

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

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.

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

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

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

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.

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.

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

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.

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

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

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.

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

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.

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.

The red alert at Toonumbar Dam has now been lifted.

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

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.

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.

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

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.

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.

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

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.

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

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

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

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

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

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.

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

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.

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

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.

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.

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

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.

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.

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.

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

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

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.

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

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

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.

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.

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

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.

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

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A Red Alert level warning (high alert) for blue-green algae has been issued for the Lower Darling River at Tolarno, located in the Far West region, downstream from Menindee lakes.

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

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

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

A Red Alert level warning (high alert) for blue-green algae has been issued for Murrumbidgee River at Maude weir Buoy and Murrumbidgee River at Redbank weir Buoy in the Murrumbidgee Region.

The Red Alert for blue-green algae at Pindari Dam has now been lifted following two consecutive results below red alert levels at each storage site. Blue green algae concentrations have decreased over the past few weeks with the lake now at Amber Alert.

A red alert level warning (high alert) for blue-green algae has been issued for Lakes Wetherell and Pamamaroo as well as Copi Hollow in the Menindee Lakes system, and for the Darling River at Menindee, all located in the Sunraysia region.

A Red Alert level warning (high alert) for blue-green algae has been issued for Lake Cawndilla in the Menindee Lakes system, located in the Sunraysia region.

The Red Alert warning in Lower Darling River at Burtundy and upstream approximately 20 km to include the Jamesville block bank pool has been lifted following two consecutive results below red alert levels.

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

An update to the Red Alert warning (high alert) for blue-green algae has been issued for Burrendong Dam located in the Central West. The whole storage is now on Red Alert due the high concentrations of blue green algae being detected on both the Cudgegong (Cudgegong River) and Mookerawa (Macquarie River) arms of the storage.

The Barwon Regional Algal Coordinating Committee (B-RACC) today announced that a high level warning (red alert) for blue-green algae has been issued for the storage at Copeton Dam near Inverell.

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 spilling which may see blue-green algae concentrations moved downstream.

A Red Alert warning (high alert) for blue-green algae has been issued for the storage Lake Windamere near Mudgee.

WaterNSW has issued a red alert warning for blue-green algae at Goodhope in Burrinjuck Dam.

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

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).