Suamico Water Hardness & Quality Report (2026)

Suamico Water Utility provides the Village of Suamico in Brown County, Wisconsin, with its public water supply. The utility draws exclusively from groundwater wells that tap into local aquifers, serving both residential and commercial customers throughout the village and surrounding regions. While specific well names and treatment plant data aren't publicly detailed, the Suamico Water Utility achieved an impressive A grade (99.1/100) in the 2024 Water Utility Report Card from the Wisconsin Waterworks Excellence Project, underscoring its commitment to high water quality. The supply doesn't utilize surface water from reservoirs or rivers, focusing solely on subterranean sources within the Lake Michigan shoreline region.

The groundwater in Suamico originates from aquifers situated within the Eastern Wisconsin Till Plain. This region is characterized by glacial drift overlying significant Paleozoic bedrock formations, notably the Silurian dolomite and Devonian limestone. These carbonate-rich rocks are abundant in minerals, including calcium and magnesium. As water percolates through the subsurface, it dissolves these minerals from the karst-influenced geology, naturally imparting a hard mineral content to the groundwater, a common trait for this part of Wisconsin.

Homeowners in Suamico may notice the effects of this hard water, such as limescale buildup in plumbing, water heaters, dishwashers, and washing machines, which can decrease efficiency and shorten appliance lifespans. You'll also find that soaps and detergents don't lather as effectively, potentially leaving residue on dishes and laundry. To combat scale, regularly descaling fixtures and appliances is advised. Many residents find that installing a whole-house water softener is the most effective way to protect their plumbing and improve the performance of cleaning products. The Suamico Water Utility consistently meets health-based water quality standards, with no reported violations for regulated contaminants.