Wethersfield Water Hardness & Quality Report (2026)

Wethersfield, Connecticut, in Hartford County (Capitol Planning Region) — a major central Connecticut Hartford suburban community (Wethersfield is one of the most historically significant communities in Connecticut — Wethersfield is one of the oldest permanently settled English towns in Connecticut (settled 1634) and was a major center of Connecticut colonial life; Wethersfield is known for its remarkable collection of colonial architecture (the Old Wethersfield Historic District — one of the finest collections of colonial and 18th-century architecture in New England; the Webb–Deane–Stevens Museum complex is a National Historic Landmark showcasing three 18th-century houses including the Joseph Webb House where George Washington met with the French commander Rochambeau to plan the final campaign of the American Revolution in 1781)); Wethersfield is known as the 'Ye Most Ancient Towne' and is one of the most visited historic communities in Connecticut, a diverse Hartford County community with a primarily professional, government employee, and suburban family population — draws its municipal water supply via the Metropolitan District Commission. Water hardness in Wethersfield measures 30 mg/L — classified as very soft.

Wethersfield's very soft supply reflects the central Connecticut Hartford County MDC Talcott Mountain watershed's calcareous-poor crystalline geology. The MDC reservoirs drain the Precambrian Connecticut gneiss (calcareous-poor). Excellent MDC treatment produces the very soft 30 mg/L.

With hardness at 30 mg/L, Wethersfield residents enjoy very soft water with no scaling concerns. Metropolitan District Commission consistently delivers water meeting all Connecticut DEEP and EPA Safe Drinking Water Act requirements.