Oxnard, CA water quality
Oxnard, CA is served by 23 public water systems, serving 218,142 people combined. Across those systems, we count 10 health-based violations in the last 5 years. The worst Tap Grade among them is C.
Water systems serving Oxnard
OXNARD WATER DEPT
OXNARD, CA · 200,232 served
CHANNEL ISLANDS BEACH CSD
OXNARD, CA · 4,560 served
RIO MESA HIGH SCHOOL/OXNARD UHS
OXNARD, CA · 2,600 served
VINEYARD AVENUE ACRES MWC
OXNARD, CA · 1,820 served
GARDEN ACRES MUTUAL WATER CO
OXNARD, CA · 1,335 served
VINEYARD AVE ESTATES MWC
OXNARD, CA · 1,200 served
DEMPSEY ROAD MUTUAL WATER CO
OXNARD, CA · 990 served
NYELAND ACRES MUTUAL WATER CO
OXNARD, CA · 975 served
LAKE PIRU PARK - UWCD
OXNARD, CA · 960 served
RIO SCHOOL DIST/RIO DEL VALLE SCHOOL
OXNARD, CA · 820 served
RIO SCHOOL DIST/ RIO REAL SCHOOL
OXNARD, CA · 550 served
CLOVERDALE MUTUAL WATER CO.
OXNARD, CA · 455 served
STRICKLAND MUTUAL WATER COMPANY
OXNARD, CA · 429 served
LAGUNA VISTA SCHOOL/OCEANVIEW SCHOOL DIS
OXNARD, CA · 404 served
CYPRESS MUTUAL WATER CO INC
OXNARD, CA · 224 served
SIESTA MOBILE HOME PARK
OXNARD, CA · 160 served
NAVALAIR MOBILE HOME PARK
OXNARD, CA · 160 served
BOUQUET MULTIMEDIA
OXNARD, CA · 100 served
GP ANACAPA FOODS, LLC.
OXNARD, CA · 50 served
VULCAN MATERIALS COMPANY - CAL MAT
OXNARD, CA · 50 served
OXNARD PALLET COMPANY
OXNARD, CA · 38 served
PYRAMID FLOWERS
OXNARD, CA · 30 served
UNITED WTR CONS DIST
OXNARD, CA · 0 served
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Is Oxnard, CA tap water safe to drink?
23 public water systems serve Oxnard, CA, with 10 health-based violations in the last 5 years across them. The worst Tap Grade among them is C.
Does Oxnard's water have lead in it?
The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Oxnard's water?
These systems were tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Other cities in California
See all of California →Source: EPA SDWIS/ECHO · Data as of 2026Q2