Port Hueneme, CA 93041

2 water systems21,407 residents

Excellent water quality with minimal contaminants

A

Score: 96/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

6

Contaminants Detected

16

Violations on Record

0

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count19 / 25
Violation History24 / 25
Contaminant Severity25 / 25
System Compliance8 / 15
Enforcement History4 / 10
Total Score96%

96 / 100 points

Recommended Water Filters

  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Port Hueneme vs CA & National Average

Detected Contaminants

6 contaminants detected across water systems serving this ZIP code

ContaminantCategory
NitrateAgricultural
ArsenicHeavy Metal
SeleniumHeavy Metal
FluorideInorganic
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism

Water System Information

Systems Serving This ZIP:
PORT HUENEME CITY WATER DEPT, PORT HUENEME WATER AGENCY
Population Served:
21,407
Systems With Violations:
1 of 2
Major Violations:
4
Enforcement Actions:
11

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.