Fairhaven Water Hardness & Quality Report (2026)

The FAIRHAVEN WATER DEPT serves 15,792 people across 3 cities in Massachusetts, including Fairhaven in Bristol County. The utility draws from local reservoirs, with the Fairhaven Water Division overseeing operations. While specific reservoir, river, or aquifer names and treatment plant details are not available, the Fairhaven Board of Public Works is committed to providing high-quality drinking water that meets state and federal standards. The utility's service area primarily covers Fairhaven in Bristol County.

The regional geology of southeastern Massachusetts, including the Plymouth-South Shore Coastal Plain, involves glacial deposits and coastal plain sediments from the Quaternary period. These deposits overlie bedrock of metamorphic and igneous formations from the Precambrian and Paleozoic eras, such as gneiss and schist. This geological setup contributes to a soft water character due to low limestone content and limited mineral dissolution in groundwater or surface sources. The Precambrian Dedham Granodiorite, in particular, is an insoluble rock type that helps maintain the water's softness.

When it comes to appliances, the soft water in Fairhaven reduces the risk of scale buildup, which can damage water heaters, dishwashers, and washing machines. As a result, soap and detergent efficiency is high, requiring less product for lathering and cleaning. Homeowners can also avoid issues like slippery feel or corrosion from over-softening, as no water softener is typically recommended. Instead, maintenance focuses on monitoring for discoloration from iron and manganese, which can cause brown water. While the utility has reported some contaminant levels above EPA health-based guidelines, officials confirm that the water is safe to drink, and residents can contact the EPA Safe Drinking Water Hotline for more information.