Strafford County, NH

ZIP 03851

In ZIP 03851, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rochester Consecutive Wtr Sys meets every EPA legal limit; 4 contaminants are above health goals, led by bromodichloromethane at 200× California’s Public Health Goal.
• Nearest Superfund site: Collins & Aikman Plant (former), 6.5 miles away.
• Largest share of modeled toxic air from industry: Pratt & Whitney (94%), mostly cobalt.
• Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,299 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03851

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…