2017 Wisconsin Act 10 legislation requires the DNR to Evaluate and model the hydrology of Pleasant Lake, Plainfield Lake, and Long Lake “to determine whether existing and potential groundwater withdrawals are causing or are likely to cause a significant reduction of the lake’s water level below its average seasonal levels” and “to determine whether existing and potential groundwater withdrawals are causing or are likely to cause a significant reduction of the lake’s water level below its average seasonal levels”.