Yamhill County, OR

ZIP 97128

In ZIP 97128, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mcminnville Water & Light meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 76× California’s Public Health Goal.
• Nearest Superfund site: Taylor Lumber and Treating, 6.5 miles away.
• Largest share of modeled toxic air from industry: Cascade Steel Rolling Mills Inc (69%), mostly chromium compounds.
• Fine particles (PM2.5) average 5.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 143,340 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97128

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

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…