Blue-green algae detected at Lake Toolondo is above levels considered safe for recreational use.
Toolondo Reservoir is an off-stream reservoir that is supplied from a very small catchment of its own via Mt Talbot Creek. Toolondo Reservoir also stores a large quantity of inaccessible water known as ‘dead water’. Its purpose, post construction of the Wimmera Mallee Pipeline, is for water supply via Taylors Lake. Toolondo Reservoir is reliant on transfers from Rocklands Reservoir and provides high recreational value.
The lake is renowned as a trout fishing venue and is also popular with swimmers and water skiers.
There is a private caravan park at this lake.
Toilet facilities are available.
Dogs are not permitted at this lake.
Swimming, water skiing and jet skis are permitted.
Shooting of ducks during duck season is permitted.
Camping is not permitted.
| Current Level | 155.870 m AHD |
| Current Volume | 6,010 ML |
| Percent Full | 12% |
| Current Inflows | -220 ML/week |
| 24 hour Rainfall | 0 mmCummulative Inflows Graph |
| Current Releases | 0 ML/day |
| Current Airspace | 40,210 ML |
| Full Supply Level | 164.93 m AHD |
| Full Supply Volume | 98,300 ML |
| Maximum Operating Level (MOL) | 161.01 m AHD |
| Maximum Operating Volume | 50,530 ML |
| Spillway Volume | No spillway m AHD |
| Outlet Capacity | 360 ML/day |
| Catchment Area | 99 km2 |
| Surface Area When Full | 14 km2 |
| Major Tributary | Mt Talbot Creek |
| Maximum Depth | 11 m |
| Year Constructed | 1953 |