Oxnard, California Tap Water Quality

Free EPA data for 23 community water systems serving 218,142+ residents. Click any system to see violations, lead test results, and a safety grade.

OXNARD WATER DEPT A

OXNARD, CA · 200,232 people · Surface Water Purchased ✓ No recent health violations

CHANNEL ISLANDS BEACH CSD A

OXNARD, CA · 4,560 people · Surface Water Purchased ✓ No recent health violations

RIO MESA HIGH SCHOOL/OXNARD UHS A

OXNARD, CA · 2,600 people · Groundwater ✓ No recent health violations

VINEYARD AVENUE ACRES MWC A

OXNARD, CA · 1,820 people · Groundwater ✓ No recent health violations

GARDEN ACRES MUTUAL WATER CO A

OXNARD, CA · 1,335 people · Groundwater ✓ No recent health violations

VINEYARD AVE ESTATES MWC A

OXNARD, CA · 1,200 people · Surface Water Purchased ✓ No recent health violations

DEMPSEY ROAD MUTUAL WATER CO A

OXNARD, CA · 990 people · Surface Water Purchased ✓ No recent health violations

NYELAND ACRES MUTUAL WATER CO A

OXNARD, CA · 975 people · Groundwater ✓ No recent health violations

LAKE PIRU PARK - UWCD A

OXNARD, CA · 960 people · Surface Water ✓ No recent health violations

RIO SCHOOL DIST/RIO DEL VALLE SCHOOL A

OXNARD, CA · 820 people · Surface Water Purchased ✓ No recent health violations

RIO SCHOOL DIST/ RIO REAL SCHOOL A

OXNARD, CA · 550 people · Surface Water Purchased ✓ No recent health violations

CLOVERDALE MUTUAL WATER CO. A

OXNARD, CA · 455 people · Groundwater ✓ No recent health violations

STRICKLAND MUTUAL WATER COMPANY A

OXNARD, CA · 429 people · Groundwater ✓ No recent health violations

LAGUNA VISTA SCHOOL/OCEANVIEW SCHOOL DIS A

OXNARD, CA · 404 people · Groundwater ✓ No recent health violations

CYPRESS MUTUAL WATER CO INC A

OXNARD, CA · 224 people · Surface Water Purchased ✓ No recent health violations

SIESTA MOBILE HOME PARK A

OXNARD, CA · 160 people · Groundwater ✓ No recent health violations

NAVALAIR MOBILE HOME PARK A

OXNARD, CA · 160 people · Groundwater ✓ No recent health violations

BOUQUET MULTIMEDIA A

OXNARD, CA · 100 people · Groundwater ✓ No recent health violations

VULCAN MATERIALS COMPANY - CAL MAT A

OXNARD, CA · 50 people · Groundwater ✓ No recent health violations

GP ANACAPA FOODS, LLC. A

OXNARD, CA · 50 people · Groundwater ✓ No recent health violations

OXNARD PALLET COMPANY A

OXNARD, CA · 38 people · Groundwater ✓ No recent health violations

PYRAMID FLOWERS A

OXNARD, CA · 30 people · Groundwater ✓ No recent health violations

UNITED WTR CONS DIST A

OXNARD, CA · Surface Water ✓ No recent health violations

🔍 Not sure which system serves your address?

Enter your ZIP code to find your exact water provider →

Oxnard Drinking Water: Frequently Asked Questions

Is Oxnard, California tap water safe to drink?

Oxnard has 23 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Oxnard, California?

23 community water systems serve Oxnard, California, providing water to approximately 218,142 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Oxnard tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Oxnard drinking water?

EPA violation records for Oxnard water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Oxnard?

Enter your Oxnard ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).