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Coalinga-City

Published drinking-water records and contacts for Coalinga-City. System CA1010004. Review sources and dates; not a real-time water assessment.

System ID
CA1010004
State or territory
CA
Published population served
17277
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/L2025-05-13Treatment Plant / 1010004801
4:2 FTS< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
6:2 FTS< 0.005 µg/L0.005 µg/L2025-05-13Treatment Plant / 1010004801
8:2 FTS< 0.005 µg/L0.005 µg/L2025-05-13Treatment Plant / 1010004801
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-05-13Treatment Plant / 1010004801
ADONA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
HFPO-DA< 0.005 µg/L0.005 µg/L2025-05-13Treatment Plant / 1010004801
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-05-13Treatment Plant / 1010004801
NFDHA< 0.02 µg/L0.02 µg/L2025-05-13Treatment Plant / 1010004801
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-05-13Treatment Plant / 1010004801
PFBA< 0.005 µg/L0.005 µg/L2025-05-13Treatment Plant / 1010004801
PFBS< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFDA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFDoA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFEESA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFHpA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFHpS< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFHxA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFHxS< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFMBA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFMPA< 0.004 µg/L0.004 µg/L2025-05-13Treatment Plant / 1010004801
PFNA< 0.004 µg/L0.004 µg/L2025-05-13Treatment Plant / 1010004801
PFOA< 0.004 µg/L0.004 µg/L2025-05-13Treatment Plant / 1010004801
PFOS< 0.004 µg/L0.004 µg/L2025-05-13Treatment Plant / 1010004801
PFPeA< 0.003 µg/L0.003 µg/L2025-05-13Treatment Plant / 1010004801
PFPeS< 0.004 µg/L0.004 µg/L2025-05-13Treatment Plant / 1010004801
PFTA< 0.008 µg/L0.008 µg/L2025-05-13Treatment Plant / 1010004801
PFTrDA< 0.007 µg/L0.007 µg/L2025-05-13Treatment Plant / 1010004801
PFUnA< 0.002 µg/L0.002 µg/L2025-05-13Treatment Plant / 1010004801
lithium< 9 µg/L9 µg/L2025-05-13Treatment Plant / 1010004801

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/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0011 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0012 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0 mg/L2010-01-01 – 2010-12-312026Q3
Lead (PB90) 0.0025 mg/L2009-01-01 – 2009-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ALKALINITY, BICARBONATE75 MG/L2026-07-07CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
ALKALINITY, CARBONATE< 3.000000000 MG/L2026-07-07CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
CARBON, TOTAL1.6 MG/L2026-07-07PLANT EFFLUENT / California DDW laboratory results
ALKALINITY, TOTAL75 MG/L2026-07-07CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
CARBON, TOTAL3.1 MG/L2026-07-07CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
ZINC300 UG/L2026-07-07PLANT EFFLUENT / California DDW laboratory results
ORTHOPHOSPHATE0.22 MG/L2026-07-07PLANT EFFLUENT / California DDW laboratory results
HYDROXIDE AS CALCIUM CARBONATE< 3.000000000 MG/L2026-07-07CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
ZINC300 UG/L2026-06-16PLANT EFFLUENT / California DDW laboratory results
ORTHOPHOSPHATE< 0.200000000 MG/L2026-06-16PLANT EFFLUENT / California DDW laboratory results
HYDROXIDE AS CALCIUM CARBONATE< 3.000000000 MG/L2026-06-02CALIFORNIA AQUEDUCT - RAW / California DDW laboratory results
IRON< 30.000000000 UG/L2026-06-02DBPR Sample / 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
Miscellaneous Other Rules / Notification, Public1979-10-30 – 1979-11-29ArchivedNo2026Q3

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)

Brewer, Sean: 559-341-4461

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