Limestone County, AL

ZIP 35649

In ZIP 35649, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Huntsville Utilities Water Dept. has 2 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by lead at 30× California’s Public Health Goal.
• Nearest Superfund site: Triana/tennessee River, 9.6 miles away.
• Largest share of modeled toxic air from industry: Kennametal Inc Dba Kennametal Firth Sterling (33%), mostly acrylonitrile.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 240,367 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 35649

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityF
• Pesticide useF
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsD
• Radiation signalsD

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

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