Water Quality in Oxnard, CA (93022)

EPA violation data for public water systems serving ZIP code 93022.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 5 monitoring/reporting violations.

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.

6,078

Population

15

Water Systems

6

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (15)

Oxnard Water Dept

Purchased surface water 200,232 people served
0 violations
Lead tested: 2.2 ppb (limit: 15 ppb)

Ventura Water Department

Surface water 113,500 people served
0 violations

Ventura Wwd No. 8 - Simi Valley

All resolved
Purchased surface water 94,738 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Cal American Water Co

All resolved
Purchased surface water 66,809 people served
1 violation (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

City Of Thousand Oaks Water Department

Purchased surface water 53,157 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Camarillo Water Dept

Purchased surface water 46,824 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Golden State Water Company - Simi Valley

Purchased surface water 45,128 people served
0 violations

Ventura Cwwd No. 1 - Moorpark

Purchased surface water 35,514 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Casitas Municipal Water Dist

1 health-based
Surface water 11,005 people served
3 violations (5yr) · 1 health-based · All resolved

Ojai Water System

Purchased surface water 6,801 people served
0 violations

Casitas Municipal Water Dist.

Purchased surface water 983 people served
0 violations

Conservation Endowment Fund

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

Sandy Creek Village Mhp

Groundwater 89 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Mt Ararat Mobile Home Park

Groundwater 42 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Eleven Confessions Winery

Groundwater 29 people served
0 violations

Contaminants Found

Total Haloacetic Acids (HAA5)Health-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
NitrateMonitoring

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

1 violation
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2023

How Does This Compare?

Oxnard (93022) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6.

Fewer violations 57th 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.

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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