Sumner County, KS

ZIP 67120

In ZIP 67120, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Conway Springs, City Of meets every EPA legal limit; 11 contaminants are above health goals, led by nitrate at 3.1× 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.
• 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: 3P Processing LLC (39%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 240,320 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 67120

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

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

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