Limestone County, AL

ZIP 35671

In ZIP 35671, 8 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 35671

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityF
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…