THE blue-green algae warning at Lake Charm has been removed following a "significant" decline in algae levels.

Goulburn-Murray Water issued the warning for the lake on March 21.

The warning at nearby Lake Boga remains in place.

GMW water quality co-ordinator Bianca Atley said GMW would keep testing for further changes to blue-green algae levels at its storages.

"We will continue undertaking wa...