EUREKA is served by 1 water provider on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for EUREKA, CA
1 water provider on file serving this city.
Quick answer: EUREKA's water has no violations on file and no single reading stands out against its peers (1 other providers in this area). It serves roughly 27,078 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0023 mg/L (ppm)
12/31/2024
Filtration considerations: General system types, not a specific product recommendation.