Water Quality in Vallejo, CA (95612)

EPA violation data for public water systems serving ZIP code 95612.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

1,865

Population

27

Water Systems

31

Violations (5yr)

22

Health-Based

Location

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Water Systems Serving This Area (27)

City Of Vallejo

Surface water 121,420 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Fairfield

1 health-based
Surface water 120,377 people served
2 violations (5yr) · 1 health-based

City Of Vacaville

Surface water 97,000 people served
0 violations

City Of Davis

Purchased surface water 67,457 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Woodland

Purchased surface water 61,462 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of West Sacramento

1 health-based
Surface water 53,355 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Uc - Davis

All resolved
Purchased surface water 49,616 people served
1 violation (5yr) · All resolved

Suisun-Solano Water Authority

11 health-based
Surface water 29,105 people served
12 violations (5yr) · 11 health-based

City Of Benicia

Surface water 27,131 people served
0 violations
Lead tested: 2.3 ppb (limit: 15 ppb)

Delta Sugar Co Treated River

Surface water 999 people served
0 violations

St Joseph'S Church

Groundwater 500 people served
0 violations

Clarksburg Comm Church

Groundwater 160 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Vino Farms

Groundwater 94 people served
0 violations

Stan'S Yolo Marina

All resolved
Groundwater 90 people served
1 violation (5yr) · All resolved

Silverdale Farms Labor

Groundwater 80 people served
0 violations

Bogle Family Limited Partner

1 health-based
Groundwater 69 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Sachi Terkmoto

Groundwater 60 people served
0 violations

Sherwood Harbor Marina

Groundwater 60 people served
0 violations

Husicks

Groundwater 60 people served
0 violations

Old Sugar Mill Winery

7 health-based
Groundwater 50 people served
9 violations (5yr) · 7 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Silt Wine Company

Groundwater 40 people served
0 violations

Arrowhead Harbor

Groundwater 40 people served
0 violations

Wilcox Orchards

Groundwater 36 people served
0 violations

Holland Market

Groundwater 33 people served
0 violations

La Amistad

Groundwater 33 people served
0 violations

Bogle Vineyards Tasting Room

1 health-based
Groundwater 29 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Heringer Ranches Inc

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
12 violations
Has active
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

6 violations
All resolved
TTHMHealth-Based
5 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Vallejo (95612) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 31.

Fewer violations 84th percentile More violations

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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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.

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