The above table graphic is a “for your information” to illustrate water and sewer rate trends in Rockwood, Michigan. Rockwood is unique in that the city owns its own waste water treatment plant. Rockwood does not partake in the “super-sewer” system in the Detroit/downriver area. The price you’ll see charged for water is the actual bill rate from Great Lakes Water Authority (GLWA).
How clean is the water in Rockwood? You can find an up-to-date yearly Consumer Confidence report specific to the City of Rockwood which tests for a multitude of contaminants here:
City of Rockwood – Public Services – Consumer Confidence Reports (rockwoodmi.org)