12-09-1985 Council Packet - Laserfiche WebLink

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It is expected thut durin , mo:►t open water su.aaons the lake level will exceed the limits or tnls zone. Undur these conditions, d13charLea will equal or exceed the specli'led base flow discharge rate. 'Dune 6 - N._, Discharge Whenever the lake level elevation is below 92d.6, which was the lowest elevation on Lhe prc;viouu fixed welr crest, no discharge is allowed during the open water season. Zune 7 - Unrestricted Dlsehar,,,� Whenever the lake level exceeds elevation 930.0, which 1a the crest elevation of the reconstructed fixed weir, unrestricted discharge will occur. Resulting discharge will be comparable to that which would have occurred over the previous fixed weir. When the lake level recedes to elevation 930.0 or below, discharge Mill atalr► be cited to the carrylnp capacity of the creek. B. Data Collection_ and Discharge _Adjustment Procedures Field data, shrill be collected and dlschaioc adjustrients at ttie headwaters Control Structure s;,all be peri'ormed in accordance with this sect n to implement the policy identified in SLCTION 1. MANAGEMENT POLi,Y. b.l geed for Voluntary Creek Water Level Datd From �ownatream �'luniclpalitIes The Managers believe that for the first years of operation, 1'reyuent reports of actual creek water elevation In each of the municli,alitles should bt, forwarded to the Mara�..ers . This creek water elevation `a will allow the Manegers to properly adjust the controtructurc to achieve the MANAGEMENT GOALS. Because condltloi.a can vary between reaches of the creek, the Managers rcy uee t each ot' the five creekside municipalities to regularly record creek water elevations on a weekly schedule, at ttze following critical reaches, and report the readint,s to the District hr4,ineer. C1tly Minnetonka Hopkins Location I-494 cul•-rts C.S.A.A. t,o. 5 C.;;.A.H. No. 73 ( upstream and down- stream aides)