EPA data as of Oct 2026 · page updated 2026-10-30

Channel Islands Beach CSD

Channel Islands Beach CSD (EPA ID CA5610039) in Oxnard, CA supplies surface water (rivers, lakes) to about 5,011 people: no health-based violations since 2016, latest lead result 0 ppb, PFAS not detected.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served5,011
Connections1,866
Sourcesurface water (rivers, lakes)
WholesalerNo

Health-based violations

No health-based violations reported since 2016.

Lead

Jan 20230 ppb
Jan 20200 ppb
Jan 20175.4 ppb
Jan 20113.5 ppb
Jan 20085.1 ppb
Jan 20054.6 ppb
Jan 20045.4 ppb
Jan 20025.4 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

CompoundHighest resultSamples with detectionEPA limit
PFBSnot detected0 of 4—
PFPeAnot detected0 of 4—
PFNAnot detected0 of 4—
PFHpAnot detected0 of 4—
PFOAnot detected0 of 44 ppt MCL
PFHxSnot detected0 of 4—
PFBAnot detected0 of 4—
PFOSnot detected0 of 44 ppt MCL
PFHxAnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—
PFDAnot detected0 of 4—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Channel Islands Beach CSD had drinking water violations?

No health-based violations reported since 2016.

What is the lead level in Channel Islands Beach CSD water?

The latest 90th-percentile lead result (Jan 2023) was 0 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Channel Islands Beach CSD have PFAS in its water?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.