Jefferson County, WV

ZIP 25443

In ZIP 25443, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Potomac Farms Water Co meets every EPA legal limit; 3 contaminants are above health goals, led by nitrate at 3× https://journals.plos.org/water/article?id=10.1371/journal.pwat.0000329, https://www.polkcountyiowa.gov/media/lixlchbz/ciswra-currents-of-change_final-scientific-assessment-of-source-water-research-report_jun272025.pdf#page=222.
• Nearest Superfund site: Leetown Pesticide, 5.3 miles away.
• Largest share of modeled toxic air from industry: Trex - Virginia Manufacturing Operations (63%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 91,616 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 25443

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

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

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