Clark-Fulton Water Hardness & Quality Report (2026)

Clark-Fulton, a neighborhood in southwest Cleveland, Ohio, is served by the Cleveland Division of Water, providing drinking water to over 700,000 customers across Cuyahoga County and surrounding areas. Water is sourced primarily from groundwater wells tapping local aquifers, supplemented by surface water from Lake Erie via the Division's treatment facilities, including the Bates Road Treatment Plant. The utility operates multiple well fields across the region and applies filtration, disinfection with chloramines, and fluoridation to meet all federal and state standards before distribution.

The supply aligns with the Lake Erie watershed, where local groundwater originates from glacial drift aquifers overlying Devonian-age limestone and dolomite bedrock characteristic of the Ohio Platform. These carbonate rocks — including the Bass Islands Dolomite and Columbus Limestone — dissolve readily, imparting a hard character to the water through natural mineral leaching. The prevalence of calcium- and magnesium-releasing limestones distinguishes this geology from softer granitic watersheds, resulting in a very hard supply typical of northern Ohio.

Very hard water causes significant scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan while increasing energy costs. Affected appliances show white deposits and reduced water flow; maintenance includes regular descaling, cleaning aerators, and flushing hot water heaters. A water softener is strongly recommended. Cleveland Water reports pH consistently around 7.5–8.5 with lead and copper below EPA action levels through corrosion control measures; recent reports note PFAS detections below health advisory levels, and the utility advises flushing lines for optimal quality.