B74/100

NAVAL BASE VENTURA COUNTY, POINT MUGU — Water Quality Report 2026

Serving 5,700 people · California

Water Source
Purchased Surface Water
County
System ID
CA5610700
Violations
6

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.40 mg/L1.30 mg/LOver Limit

EPA Violation History

1

Violation (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2023 – July 31, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About NAVAL BASE VENTURA COUNTY, POINT MUGU

Is NAVAL BASE VENTURA COUNTY, POINT MUGU water safe to drink?

NAVAL BASE VENTURA COUNTY, POINT MUGU water receives a grade of B (74/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has NAVAL BASE VENTURA COUNTY, POINT MUGU detected?

2 contaminants were tested in NAVAL BASE VENTURA COUNTY, POINT MUGU's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does NAVAL BASE VENTURA COUNTY, POINT MUGU have any EPA violations?

Yes, NAVAL BASE VENTURA COUNTY, POINT MUGU has 6 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MCL, MR. 3 are health-based violations.

How many people does NAVAL BASE VENTURA COUNTY, POINT MUGU serve?

NAVAL BASE VENTURA COUNTY, POINT MUGU serves approximately 5,700 people, California.

What type of water does NAVAL BASE VENTURA COUNTY, POINT MUGU provide?

NAVAL BASE VENTURA COUNTY, POINT MUGU sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA5610700.

How does NAVAL BASE VENTURA COUNTY, POINT MUGU compare to other utilities in California?

NAVAL BASE VENTURA COUNTY, POINT MUGU scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.