$200,000 or $21,000 per year?

   The city of Green Lake likely will choose the lower-priced option as it seeks to comply with stricter DNR requirements to reduce the amount of phosphorus the city’s wastewater treatment facility discharges into the Puchyan River.

   The city is in the final year of a three-year study to evaluate Green Lake’s wastewater treatment plant so that it can renew its permit.

   The study must be submitted by the end of June, Green Lake Public Works Director Glen McCarty told the City Council during its committee of the whole meeting Monday evening.

   “Through this we learned that we could operate the plant much more efficiently with reduced chemical use; energy use was cut by 30%,” he said.

   Analyzing phosphorous-discharge levels, he also said it looks like Green Lake’s plant will be able to meet a 1 or even .8 milligram per litre (mg/L) level “very effectively; it won’t be very costly.”

   Read the full story in the June 6, 2019 edition of the Ripon Commonwealth Press.