La Crosse County, WI

ZIP 54644

In ZIP 54644, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rockland Waterworks meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 144× California’s Public Health Goal.
• Nearest Superfund site: Onalaska Municipal Landfill, 7.1 miles away.
• Largest share of modeled toxic air from industry: Gea Farm Technologies Inc. (35%), mostly chromium.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 78,083 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54644

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityA to C
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…