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Oxnard Water Dept

Published drinking-water records and contacts for Oxnard Water Dept. System CA5610007. Review sources and dates; not a real-time water assessment.

System ID
CA5610007
State or territory
CA
Published population served
200232
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Read the provider’s annual water quality report

Report link listed: 2026-10-05. This is not the report’s sampling date.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2023-12-06BS #4/5 Blend / 5610007807
4:2 FTS< 0.003 µg/L0.003 µg/L2023-12-06BS #1 Blend / 5610007805
6:2 FTS< 0.005 µg/L0.005 µg/L2023-12-06BS #3 Blend / 5610007806
8:2 FTS< 0.005 µg/L0.005 µg/L2023-12-06BS #4/5 Blend / 5610007807
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-12-06BS #4/5 Blend / 5610007807
ADONA< 0.003 µg/L0.003 µg/L2023-12-06BS #4/5 Blend / 5610007807
HFPO-DA< 0.005 µg/L0.005 µg/L2023-12-06BS #3 Blend / 5610007806
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-12-06BS #4/5 Blend / 5610007807
NFDHA< 0.02 µg/L0.02 µg/L2023-12-06BS #3 Blend / 5610007806
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-12-06BS #4/5 Blend / 5610007807
PFBA< 0.005 µg/L0.005 µg/L2023-12-06BS #1 Blend / 5610007805
PFBS< 0.003 µg/L0.003 µg/L2023-12-06BS #1 Blend / 5610007805
PFDA< 0.003 µg/L0.003 µg/L2023-12-06BS #3 Blend / 5610007806
PFDoA< 0.003 µg/L0.003 µg/L2023-12-06BS #1 Blend / 5610007805
PFEESA< 0.003 µg/L0.003 µg/L2023-12-06BS #1 Blend / 5610007805
PFHpA< 0.003 µg/L0.003 µg/L2023-12-06BS #4/5 Blend / 5610007807
PFHpS< 0.003 µg/L0.003 µg/L2023-12-06BS #1 Blend / 5610007805
PFHxA< 0.003 µg/L0.003 µg/L2023-12-06BS #3 Blend / 5610007806
PFHxS< 0.003 µg/L0.003 µg/L2023-12-06BS #4/5 Blend / 5610007807
PFMBA< 0.003 µg/L0.003 µg/L2023-12-06BS #3 Blend / 5610007806
PFMPA< 0.004 µg/L0.004 µg/L2023-12-06BS #4/5 Blend / 5610007807
PFNA< 0.004 µg/L0.004 µg/L2023-12-06BS #3 Blend / 5610007806
PFOA< 0.004 µg/L0.004 µg/L2023-12-06BS #1 Blend / 5610007805
PFOS< 0.004 µg/L0.004 µg/L2023-12-06BS #1 Blend / 5610007805
PFPeA< 0.003 µg/L0.003 µg/L2023-12-06BS #3 Blend / 5610007806
PFPeS< 0.004 µg/L0.004 µg/L2023-12-06BS #4/5 Blend / 5610007807
PFTA< 0.008 µg/L0.008 µg/L2023-12-06BS #1 Blend / 5610007805
PFTrDA< 0.007 µg/L0.007 µg/L2023-12-06BS #1 Blend / 5610007805
PFUnA< 0.002 µg/L0.002 µg/L2023-12-06BS #4/5 Blend / 5610007807
lithium24 µg/L9 µg/L2023-12-06BS #4/5 Blend / 5610007807

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2025-01-01 – 2027-12-312026Q3
Lead (PB90) 0.0022 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.0042 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0061 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.0033 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0.0034 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.0064 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.0082 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
HARDNESS, TOTAL (AS CACO3)340 MG/L2026-07-08DBPR Sample / California DDW laboratory results
NITRATE8.2 MG/L2026-07-08WELL 32 / California DDW laboratory results
TDS110 MG/L2026-07-08RO MEMBRANE EFFLUENT AT WATER CAMPUS / California DDW laboratory results
FLUORIDE0.70 MG/L2026-07-08BS#3 - NITRATE BLEND - TREATED / California DDW laboratory results
ALKALINITY, TOTAL250 MG/L2026-07-08WELL 34 / California DDW laboratory results
NITRATE1.5 MG/L2026-07-08DBPR Sample / California DDW laboratory results
CHLORIDE76 MG/L2026-07-08WELL 33 / California DDW laboratory results
IRON< 10.000000000 UG/L2026-07-08DBPR Sample / California DDW laboratory results
NITRATE9.3 MG/L2026-07-08WELL 33 / California DDW laboratory results
SULFATE910 MG/L2026-07-08WELL 34 / California DDW laboratory results
MANGANESE< 2.000000000 UG/L2026-07-08DBPR Sample / California DDW laboratory results
NITRATE1.3 MG/L2026-07-08BS#3 - NITRATE BLEND - TREATED / California DDW laboratory results

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Peyton, Chris: 805-385-8111

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records