Hartford County, CT

ZIP 06023

In ZIP 06023, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Middletown Water Department meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: Solvents Recovery Service of New England, 5.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Assa Abloy Access & Egress Hardware Group - Corbin Russwin (37%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 53,014 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06023

• Superfund sites nearbyC to D
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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