Broome County, New York: drinking water report. Broome County sits in New York's Southern Tier, where the Susquehanna River flows through the cities of…
Broome County sits in New York's Southern Tier, where the Susquehanna River flows through the cities of Binghamton, Endicott, and Johnson City. Most residents draw water from either municipal systems tied to the Susquehanna or from private wells scattered across rural townships like Chenango, Vestal, and Conklin. The county's industrial legacy (IBM manufacturing, tanneries, and defense contractors) created contamination concerns that persist decades after facilities closed or scaled back.
Legacy industrial sites across Broome County left a complicated water quality picture. Former IBM plants in Endicott released trichloroethylene (TCE) and other solvents into groundwater through the 1970s and 1980s, triggering decades of remediation and monitoring. The Endicott Area Investigation remains one of New York's most extensive Superfund efforts, with ongoing vapor intrusion testing and continued restrictions on well use in affected neighborhoods. While municipal systems serving Binghamton and surrounding communities generally source from surface water with treatment plants that reduce industrial contaminant risks, thousands of county residents still rely on private wells that receive no routine monitoring.
Agricultural activity in the county's northern and western townships introduces nitrate risks to groundwater, particularly in areas with older septic systems and dairy operations. Elevated nitrate levels have appeared in some private wells near farming zones, though the extent of contamination remains unclear because New York doesn't mandate testing for private well owners. Lead exposure follows familiar patterns seen across upstate cities built before 1986: service lines connecting older homes to water mains can leach lead into tap water, especially in Binghamton's older residential districts. The city has worked through partial service line replacement programs, but an exact inventory of remaining lead connections hasn't been published.
PFAS contamination represents an emerging concern. New York's aggressive PFAS testing under recent state mandates has identified detections in multiple municipal systems across the Southern Tier, often linked to firefighting foam use at airports or military installations. Broome County's proximity to former defense sites and current airports raises the possibility of localized contamination, though comprehensive countywide data hasn't been released. The state's maximum contaminant level of 10 parts per trillion (combined PFOA and PFOS) is stricter than federal standards, meaning systems that pass federal tests may still trigger concern under state rules.
If you receive municipal water, request your utility's latest consumer confidence report and ask specifically about lead service line inventories and PFAS testing results. Private well owners should arrange testing for nitrates, lead, VOCs, and PFAS at minimum, since no agency monitors private supplies automatically. Check your water to see current data for your address, review our water filter guide for treatment options matched to specific contaminants, read the detailed report for full testing protocols, or visit the New York state page for regulatory context and statewide contamination patterns.
Drinking water is one exposure route. These federal datasets also cover Broome County, NY.
The EPA places Broome County, NY in Zone 1 - the EPA's highest-risk category, where the predicted average indoor radon level is above 4 pCi/L. Zone maps predict an area's radon potential from geology and existing indoor readings; they say nothing about a specific house. Testing is the only way to know your own level.
78% of homes in Broome County, NY were built before 1980, and 38% before 1950. Residential lead paint was banned in 1978, so housing age is the strongest available proxy for lead-paint exposure. This describes the county's housing stock, not any one home.
Modelled annual fine-particle pollution (PM2.5) in Broome County, NY averages 6.6 µg/m³, within the EPA's annual standard of 9 µg/m³. These are CDC modelled county estimates rather than readings from a specific monitor.
How radon zones work · Air quality by county · Lead exposure guide