Middlesex County, MA

ZIP 02145

In ZIP 02145, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Somerville Water Dept. (Mwra) meets every EPA legal limit; 1 contaminant is above health goals, led by chromium-6 at 1.9× California’s Public Health Goal.
• Nearest Superfund site: Materials Technology Laboratory (usarmy), 3.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tecomet (34%), mostly cobalt.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 34,462 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02145

• Superfund sites nearbyA to D
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityB to C
• Drinking water qualityA
• Pesticide useB
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsC to D
• Radiation signalsB

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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