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Seine River
Watershed
Sturgeon Falls Dam
Sturgeon Falls Dam
Abitibi Hydro Canada owns the Sturgeon Falls dam.
The Sturgeon Falls dam controls water levels in Laseine Lake (355 ha), which is also the receiving waterbody for the Calm Lake dam. Laseine Lake is a small lake immediately downstream from the Calm Lake dam. Because of the small size of its headpond and its proximity to Calm Lake (~10km), 98% of its inflows are controlled by the Calm Lake dam. It is almost always operated in tandem with the Calm Lake dam (cascading system). Essentially whatever water flows into the upstream end of the headpond is passed out of the dam. Because of this, fluctuations are typically very low under normal operating flows for the dams.
| Reservoir (storage) headpond |
13 m3/sec/days |
| Constructed |
1926; dam is 168 m long |
| # of sluices |
14 sluices, including 1 remote operated
waste gate; discharge capacity is 792.9 m3/sec at 357.5 m; maximum 24-hour flow
(June 24, 1950) was 313.1 m3/sec; spillage occurs at 357.53 m |
| Level at top of log with all logs
in |
357.53 metres |
| Level of sill with all logs out |
waste gate is 354.18 metres stop log gates 1-13 are 345.18 metres |
| Power Generation |
7 MW; turbine capacity 10–48 m3/sec |
| Constraints |
None |
