Source: https://www.southernminn.com/waseca_county_news/archives/article_9ebe8cac-5df5-52ad-b403-2c8cb457a629.html WASECA — Improvements to the city’s wastewater treatment facility, estimated to cost $17 million, moved one step closer to reality Tuesday evening when a 60 percent sewer rate increase was approved. Two weeks ago the Waseca City Council approved a 5.5 percent electric service rate increase. At Tuesday’s council meeting, a 60 percent increase in the sewer service …