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Dam
The Lemare dam closes the forebay in the Lemare River valley.
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| Structure |
Type |
Maximum
height (m) |
Crest length (m) |
Volume of fill (m3) |
| Dam |
Sand and gravel |
19.0 |
580 |
227,000 |
Instream flow release structure
The instream flow release structure is built into the right abutment of dike LR-34, near the dam.
During operation, the maximum spring instream flow discharged into the Lemare River is 88 m3/s, which is the mean spring flood peak. The flow will be controlled to approximate the shape of the river's mean natural hydrograph (minimum of 5 m3/s).
The flow will not be controlled during the winter, when only the round bottom opening will remain open. Heating systems will de-ice the equipment prior to runoff season so that the instream flow can be controlled in the spring.
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