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04-12-22 Agenda Packet
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04-12-22 Agenda Packet
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Summary of Current Status The historical Karth lake level measurements suggest that the City has successfully implemented the pumping instructions in the DNR’s 2003 Pumping & Maintenance Plan (attached) except when pump failure has occurred. Although that plan produces a pumping “bounce” of 2 feet, other factors such as evaporation have extended the bounce to as much as 4 feet. The erosion of the shoreline of Karth Lake due to this large bounce appears to have negatively impacted the quality of the water, fish populations, vegetation, residents’ efforts to stabilize shorelines, etc. The current project is seeking a pumping policy modification that would improve environmental outcomes while appropriately mitigating the risk of property damage.KWID, the City, RCWD, DNR, are in agreement to consider investigation of modifications to the pumping plan to improve the health of the lake and its surroundings.
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