Water Quality in Davis, CA (95691)
EPA violation data for public water systems serving ZIP code 95691.
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 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
40,143
Population
35
Water Systems
7
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (35)
City Of Davis
City Of Woodland
City Of West Sacramento
1 health-basedUc - Davis
All resolvedWest Sacramento, City Of
Sacwest Rv Park And Campground
Sacramento Auto Auction
Sacramento Yacht Club
Jehovah'S Witnesses - Southport
Our Lady Of Grace School
Nelson'S Grove
2 health-basedClub Pheasant
All resolvedUnited Parcel Svc - Anderson
Green Acre School Child Care
Deseret Farms Of California
Ortega S West
Andy S Cherron
Sutter House Motel
Goose Club Well
United Parcel Service
Country Market
Commodore Motel
Elkhorn Saloon
The Brick Shothouse
Cannery Landing
1 health-basedLopes Trailer Park
La Trattoria
West Sac Truck Stop
Four Seasons Marina
Avalon Apts - W Sacramento
Southport Deli-Mart
Ishimoto Brothers
Shell - West Capitol
Dunnigan Hills Ranch
Sullivan'S Union 76
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: Jan 2025
How Does This Compare?
Davis (95691) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.