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Enivommental Board <br />November 18, 2015 <br />Page 3 <br />Ms. Bor asked if drawdown was done frequently what would be the possible side <br />effects to the lake. Would there be loss of fish that live in the lake and the wildlife <br />that depends on the lake? <br />Mr. Kocian said that a drawdown could be done every year but probably every four <br />years. This all depends on the success of the first drawdown. <br />Mr. Schwartz asked what percent of the lake would be exposed. Mr. Kocian stated <br />that with this process 34% of the lake bottom would be exposedpand i would be <br />enough for ecological restoration. <br />Mr. Heiskary said that the drawdown will be monitored and observed. <br />Mr. Kocian said that there are many steps to go through before we can do forward <br />with this project. Need approval from the DNR and then the Commissioner needs to <br />conduct a hearing or else deem the project as beneficial and in the public interest. <br />And then in the late spring or early summer there would be public meetings. <br />B. Heron Rookery Update <br />Mr. Wayne LeBlanc presented his findings on the heron rookery. On November 9, <br />2015 Marty Asleson and Wayne Leblanc counted the nests on the island. The Great <br />Blue Herons and Great Egrets on Peltier Lake Island seem to be going well. The <br />2015 count of 224 is good news. The trees that are flashed still have viable nests <br />Mr. Schwartz wanted to know what happened between 2000 -2012 where the count of <br />nest went way down. <br />Mr. Leblanc mentioned that increase in boat traffic, there was a water ski course place <br />too close to the island. <br />Ms. Bor also stated that raccoons were raiding the nests and construction and freeway <br />noise. A lot came into play. <br />Mr. LeBlanc stated that when the water ski course was removed and a no wake zone <br />was established the herons come back. <br />Mr. LeBlanc said that three things need to continue to happen in order to preserve the <br />herons. <br />1. No -Wake Zone established by Anoka Parks, the cities of Lino Lakes and <br />Centerville, and the DNR is doing the job of keeping disturbing high speed <br />boat traffic away from the herons, improving the water in the north part of the <br />lake and protecting sensitive aquatic plants. <br />2. Metal flashing on nesting trees reduces predation <br />APPROVED MINUTES <br />