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Lake Stevens is a water of the State of Washington and it is regulated by multiple Federal, State, County and Local agencies. The City of Lake Stevens and Snohomish County share the management responsibilities for the lake’s operations. The primary reason for regulating the lake levels is to maintain a summer and fall flow in the lake’s outfall channel for fish habitat.
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Table 2 shows the target lake levels that are sought throughout the year. These elevations were determined based on the ideal elevation to achieve a continuous flow in the outfall channel during the summer and fall months when water flows in streams are typically at their lowest.
January
209.3
None
February
March
Summer Months we start setting Weir Elevation
April
211.0
210.9
May
211.7
211.3
June
211.6
July
August
September
210.6
Fall months we monitor and adjust accordingly
October
November
December