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Olivehurst Public U.D.

Published drinking-water records and contacts for Olivehurst Public U.D.. System CA5810003. Review sources and dates; not a real-time water assessment.

System ID
CA5810003
State or territory
CA
Published population served
16595
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.

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/L2025-08-04Olivehurst Well 29/30 TP / EP2930
4:2 FTS< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
6:2 FTS< 0.005 µg/L0.005 µg/L2025-08-04Olivehurst Well 28 TP / EP28
8:2 FTS< 0.005 µg/L0.005 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
ADONA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 28 TP / EP28
HFPO-DA< 0.005 µg/L0.005 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
NFDHA< 0.02 µg/L0.02 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFBA< 0.005 µg/L0.005 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFBS< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFDA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 28 TP / EP28
PFDoA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFEESA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFHpA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFHpS< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFHxA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFHxS< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFMBA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFMPA< 0.004 µg/L0.004 µg/L2025-08-04Olivehurst Well 28 TP / EP28
PFNA< 0.004 µg/L0.004 µg/L2025-08-04Olivehurst Well 28 TP / EP28
PFOA< 0.004 µg/L0.004 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFOS< 0.004 µg/L0.004 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930
PFPeA< 0.003 µg/L0.003 µg/L2025-08-04Olivehurst Well 28 TP / EP28
PFPeS< 0.004 µg/L0.004 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFTA< 0.008 µg/L0.008 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
PFTrDA< 0.007 µg/L0.007 µg/L2025-08-04Olivehurst Well 28 TP / EP28
PFUnA< 0.002 µg/L0.002 µg/L2025-08-04Olivehurst Well 1 & 4 TP / EP14
lithium< 9 µg/L9 µg/L2025-08-04Olivehurst Well 29/30 TP / EP2930

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/L2024-01-01 – 2026-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0 mg/L2007-01-01 – 2007-12-312026Q3
Lead (PB90) 0 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
TRICHLOROACETIC ACID< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
CHLOROFORM< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
MONOCHLOROACETIC ACID< 2.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
BROMOFORM1.53 UG/L2026-06-16DBPR Sample / California DDW laboratory results
MONOBROMOACETIC ACID< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
TOTAL HALOACETIC ACIDS (HAA5)< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE1.08 UG/L2026-06-16DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
TTHM2.61 UG/L2026-06-16DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID< 1.000000000 UG/L2026-06-16DBPR Sample / California DDW laboratory results
MANGANESE< 20.000000000 UG/L2026-06-12WELLS 01 & 04 FILTRATION / 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

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

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2022-01-01 – 2022-01-31ResolvedNo2026Q3

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)

Tillotson, John: 530-743-8573

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