Water Quality in Davis, CA (95776)
EPA violation data for public water systems serving ZIP code 95776.
Active Health Violations
4 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
28,718
Population
23
Water Systems
10
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (23)
City Of Davis
City Of Woodland
City Of West Sacramento
1 health-basedUc - Davis
All resolvedPacific Coast Producers
Clark Pacific - Cr 18c
The Maples
All resolvedFast & Easy Mart #54 - Water
Collet & Lukenbill Ent
K 76 - Rd 102
Casa Ruiz
3 health-basedFinnlees Trailer Park
Woodland Motors
Yolo Co Central Landfill
Alforex Seeds Llc (Cal West Seeds Llc)
Woodland Community College
Camp Packer Creek, Woodland
Yolo Sportsmen'S Assoc
Mountain Valley Golf Center
Rose Valley Group Inc
Commons Farm Kitchen
All resolvedFraternal Order Of Eagles #2345
Woodland-Davis Clean Water Agency
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2023
How Does This Compare?
Davis (95776) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.