Hernando County, FL

ZIP 34604

In ZIP 34604, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hernando Co Utl-West has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 6.2× 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: Robbins Mfg Co (69%), mostly arsenic compounds.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 42,691 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 34604

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…