Franklin County, MA Water Quality (2026): PFAS & Lead

Franklin County, Massachusetts: drinking water report. Franklin County stretches across western Massachusetts, encompassing communities like Greenfield,…

Water Quality in Franklin County, MA

Franklin County stretches across western Massachusetts, encompassing communities like Greenfield, Orange, Montague, and Deerfield. Most residents rely on a mix of municipal water systems drawing from the Connecticut River watershed and its tributaries, along with numerous private wells serving rural properties in towns like Shelburne, Leyden, and Ashfield. The region's varied topography, from river valleys to upland forests, creates distinct water quality challenges depending on source type and location.

What the Data Shows

Massachusetts has been testing for PFAS contamination across the state since 2018, and Franklin County utilities have participated in multiple rounds of testing for these persistent chemicals. Several municipal systems in the Connecticut River valley have detected low levels of PFAS compounds, though concentrations generally remain below the state's advisory levels. The more pressing concern for many Franklin County residents involves naturally occurring contaminants like arsenic and uranium, which appear in groundwater supplies throughout New England's bedrock. Private well owners in the county's hillier terrain face particular risk, as glacial deposits and underlying bedrock can leach these elements into drinking water.

Lead exposure from aging infrastructure represents another documented issue. Homes built before 1987 in downtown Greenfield, Orange, and other older settlements may have lead service lines or lead solder in their plumbing systems. The 2021 Lead and Copper Rule revisions require water systems to inventory these connections and develop removal plans, but the process takes years to complete. Corrosion control treatment helps reduce lead leaching, but no amount of lead in drinking water is considered safe, particularly for children under six and pregnant women.

Agricultural land use in the county's river valleys introduces additional concerns. Fertilizer runoff contributes to nitrate levels in groundwater, while legacy pesticides from tobacco farming persist in certain areas. Homes served by shallow wells near current or former farmland should test regularly for nitrates, which pose acute risks to infants. The Massachusetts Department of Environmental Protection maintains testing programs for private wells, but participation is voluntary and many households remain unaware of what's actually in their water.

What Franklin County Residents Should Do

Test your water annually if you rely on a private well, focusing on arsenic, uranium, nitrates, and bacterial contamination at minimum. Municipal water customers should request their utility's most recent Consumer Confidence Report and consider additional testing if their home was built before 1987. Check your water for current data on your ZIP code, review our water filter guide for treatment options suited to specific contaminants, and access your detailed report for comprehensive information. Visit the Massachusetts state page for context on statewide testing programs and regulatory developments.