C
58

Fair Water Quality

Ventura, CA 93001

Ventura County · Population served: 131,064 · Data updated March 2026

Water Systems Serving This Area

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CASITAS MUTUAL WATER COMPANY
Surface water · Pop. 238
PWSID: CA5601104
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RINCON WATER & ROAD WORKS
Surface water · Pop. 25
PWSID: CA5601137
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SATICOY COUNTRY CLUB-CITY OF VENTURA
Groundwater · Pop. 196
PWSID: CA5602140
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VENTURA WATER DEPARTMENT
Surface water · Pop. 113,500
PWSID: CA5610017
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VENTURA RIVER WATER DISTRICT
Surface water · Pop. 6,100
PWSID: CA5610022

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
6.2
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

2 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBS3.1 ppt2000 ppt100 pptBelow limit
PFHxS3.0 ppt10 ppt10 pptBelow limit

Violation History (Last 5 Years)

29Total (5yr)
24Health-Based
0Major

Water Quality Summary

Understanding Your Water in Ventura

Tap water quality in Ventura, California (93001) receives an overall grade of C (Fair) with a score of 58 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 23 points below the California state average of 81. Compared to the national average (75), this area scores significantly lower. The area is served by 6 water systems providing water to approximately 131,064 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 2 compounds, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 29 violations, including 24 health-based violations.

Your Score 58/100 C
vs State 23 pts below California avg (81)
vs National 17 pts below national avg (75)

What a Grade C Means

A score of 58/100 indicates fair water quality in Ventura, CA. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Ventura, California receives a grade of C (Fair) with a score of 58/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 93001 is served by 6 water systems using surface water, groundwater sources, providing water to approximately 131,064 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 6.2 ppb in Ventura, California. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

2 PFAS compounds were detected in water serving Ventura, California, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Ventura, California have received 29 violations in the last 5 years, including 24 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Ventura, California should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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