Blue-green algae Red Alert for Quipolly Dam

Blue-green algae Red Alert for Quipolly Dam

24 December 2021

Barwon-Regional Algae Coordinating Committee has issued a Red Alert (high alert) warning for blue-green algae for Quipolly Dam on behalf of Liverpool Plains Shire Council. Quipolly Dam is located approximately 10km North East of Quirindi.

A Red Alert level indicates that people should not undertake recreational activities where they may be coming into direct contact with the water such as swimming. Quipolly Dam is closed for primary recreation activities such as swimming, however fishing is permitted and users of the storage for fishing purposes should adhere to the following fishing recommendations for Red Alert areas.

People should not eat mussels or crayfish from Red Alert warning areas. A precautionary approach should be applied to fishing during bloom events. Any fish caught should be cleaned and washed thoroughly in uncontaminated water and any internal organs disposed of before consumption. Fish fillet meals from algal bloom affected areas should be limited to 1-2 servings per week. Avoiding fishing in a bloom location is the best way to minimise risk, particularly catching and eating fish from locations with severe blooms that last extended periods of time.

The species of blue-green algae identified are potentially toxic and may cause gastroenteritis and other health problems in humans if consumed. Skin and eye irritations after may occur after contact with the water. Boiling the water does not remove algal toxins.

Due to water treatment processes, town water supplies remain safe to drink.

Livestock owners are reminded to continue to check stock water supplies for blue-green algae and to remove stock from foreshores where surface scum is visible or blue-green algae are suspected.

Blue-green algae usually appear as green paint-like scums on the water, near the edges, or as greenish clumps throughout the water. It makes the water appear dirty, green or discoloured and generally has a strong musty or earthy odour. Blue-green algae occur naturally and can reproduce quickly in favourable conditions where there is still or slow-flowing water, abundant sunlight and sufficient levels of nutrients.

It is not possible to predict how long the algae will remain at high levels. Regular monitoring by Liverpool Plains Shire Council will continue, and the alert will be lifted as soon as the high levels of algae dissipate.

People who believe they may have been affected by blue-green algae are advised to seek medical advice.

Updates about blue-green algae blooms and red level warning areas can be obtained by visiting our algae webpage.

Inquiries regarding the Quipolly Dam should be directed to the Liverpool Plains Shire Council.


Tuesday 18 January
2,497,329 ML
2,581,850 ML
9,342 ML
1,335 ML
-3,171 ML
Tuesday 18 January