2000-11-08 CC - Laserfiche WebLink

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From: Peltier Lake Association Board Wayne LeBlanc, 651-426-0168 Steve Marcello, 651-426-4679 Paul Dentz, 651-429-1823 Gerald Lindner, 651-407-0855 Hal Wegner, 651-407-8256 To: Minnesota Department of Natural Resources, Wendy Crowell S1. Paul Water Utility, General Manager, Bernie Bullert CC: Rice Creek Watershed District Anoka County Parks, John VonDelinde, Subject: Peltier Lake Drawdown Recommendation for Eurasian Watermilfoil Date: October 6, 2000 On Oct 6, the Peltier Lake Association Board met and decided to recommend a one time draw-down of Peltier Lake over the coming winter (starting in Nov or Dec, 2000 perhaps) to attempt to further control the recently introduced Eurasian Watermilfoil. The Board believes its association members will support the draw-down recommendation and will inform everyone on the lake about the operation. The Board is not happy to make this recommendation because of certain side effects, but feels it seems the best course of action at this time. The following are REQUESTS and FACTORS for this rather drastic action. REQUESTS We request that the draw-down be about 5 feet (we also would like to hear input from the DNR on a draw- down level) as the DNR said they found Milfoil at a 5 foot depth. We realize that the water will freeze deeper but thought a safety margin reasonable. In addition, we seek further control of Curly LeafPondweed which lives deeper. It seems the draw-down should be complete in Nov or Dee, 2000. Again, we'd like input from the DNR on the timing of the draw-down. We request that Peltier be drawn down via the dam (as opposed to pumping through Centerville Lake - in general, Centerville lake is trying to avoid getting Peltier Lake water because of nutrients, and also, we think it best the barrier remain in place to prevent Centerville Milfoil from spreading). We also request that, ifCenterville Lake is to be drawn down, that it be drawn down by pumping via the St Paul Water pumps and that the barrier between Centerville and Peltier lakes remain in place. We do not want Milfoil from Centerville Lake going all over Peltier Lake. (Observations ofCenterville Lake show Milfoil fragments everywhere! In Peltier, the Milfoil is all still underwater and very few fragments can be found on any shores. We request that the aerator be put in place right away, as the water is being drawn down to help maintain the fish population through the winter. To further improve Peltier Lake, we request that a harvest of rough fish be done during the winter. The rough fish should be nicely concentrated in a smaller amount of water. We request that if there is time, a fish count be conducted before and after draw-down to help measure the effect on fish population. Based on this study, if necessary, we request Peltier Lake be restocked with fish after the draw-down. We request that while Peltier Lake is drawn down, that the growing deposit of sediment at the mouth of Clearwater Creek be removed. We request that the barrier between Centerville Lake and Peltier Lake is inspected to be sure it is Milfoil proof.