Water Quality in Napa, CA (94567)
EPA violation data for public water systems serving ZIP code 94567.
No Health-Based Violations
None of the 8 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
668
Population
8
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (8)
Napa, City Of
Surface water 84,804 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
American Canyon, City Of
Surface water 21,437 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Phelps Vineyards
Groundwater 19,412 people served
0 violations
Aetna Springs Golf Course
Groundwater 100 people served
0 violations
Napa County Schools: Pope Valley
Surface water 100 people served
0 violations
Lead tested: 9 ppb (limit: 15 ppb) ✓
Pope Valley School
Groundwater 30 people served
0 violations
Valley Market
Groundwater 25 people served
0 violations
Jackson Family Investments Water System
Groundwater 24 people served
0 violations
Lead & Copper Levels
Lead (Pb)
Approaching limit9 ppb measured
Action level: 15 ppb
Sampled: Jan 2023
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.