Grant County, WI

ZIP 53813

In ZIP 53813, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Platteville Waterworks meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 175× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Big River United Energy LLC (48%), mostly acrolein.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 256,666 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53813

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityB
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to D

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…