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Golden State Wc - Placentia/Yorba Linda

Published drinking-water records and contacts for Golden State Wc - Placentia/Yorba Linda. System CA3010035. Review sources and dates; not a real-time water assessment.

System ID
CA3010035
State or territory
CA
Published population served
50381
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/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
4:2 FTS< 0.003 µg/L0.003 µg/L2025-01-27La Jolla 2 / 3010035802
6:2 FTS< 0.005 µg/L0.005 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
8:2 FTS< 0.005 µg/L0.005 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-01-27La Jolla 2 / 3010035802
ADONA< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
HFPO-DA< 0.005 µg/L0.005 µg/L2025-01-27La Jolla 2 / 3010035802
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-01-27Ruby Well / 3010035805
NFDHA< 0.02 µg/L0.02 µg/L2025-01-27La Jolla 2 / 3010035802
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
PFBA0.0054 µg/L0.005 µg/L2025-01-27La Jolla 2 / 3010035802
PFBS< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFDA< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFDoA< 0.003 µg/L0.003 µg/L2025-01-27La Jolla 2 / 3010035802
PFEESA< 0.003 µg/L0.003 µg/L2025-01-27La Jolla 2 / 3010035802
PFHpA< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFHpS< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFHxA< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFHxS0.0036 µg/L0.003 µg/L2025-01-27La Jolla 2 / 3010035802
PFMBA< 0.003 µg/L0.003 µg/L2025-01-27Ruby Well / 3010035805
PFMPA< 0.004 µg/L0.004 µg/L2025-01-27La Jolla 2 / 3010035802
PFNA< 0.004 µg/L0.004 µg/L2025-01-27La Jolla 2 / 3010035802
PFOA< 0.004 µg/L0.004 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
PFOS0.0065 µg/L0.004 µg/L2025-01-27La Jolla 2 / 3010035802
PFPeA0.0109 µg/L0.003 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
PFPeS< 0.004 µg/L0.004 µg/L2025-01-27La Jolla 2 / 3010035802
PFTA< 0.008 µg/L0.008 µg/L2025-01-27La Jolla 2 / 3010035802
PFTrDA< 0.007 µg/L0.007 µg/L2025-01-27La Jolla 2 / 3010035802
PFUnA< 0.002 µg/L0.002 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810
lithium< 9 µg/L9 µg/L2025-01-27Bradford Well 4 IX Treatment Finished Water / 3010035810

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) 0.0025 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2019-07-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2019-06-302026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0022 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.0033 mg/L2005-01-01 – 2007-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
TDS750 MG/L2026-07-06RUBY WELL 009 / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-06-17LA JOLLA WELL 02 / California DDW laboratory results
TDS750 MG/L2026-06-01RUBY WELL 009 / California DDW laboratory results
CONDUCTIVITY @ 25 C UMHOS/CM378 UMHO/CM2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
PERFLUOROHEPTANOIC ACID (PFHPA)2.9 NG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
NONAFLUORO NFDHA< 2.000000000 NG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
ADONA< 2.000000000 NG/L2026-05-14BRADFORD PFAS TF IX VESS 1B_V-170 EFFL / California DDW laboratory results
DIBROMOCHLOROMETHANE< 0.500000000 UG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
METHOMYL< 1.000000000 UG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
DI-N-OCTYL PHTHALATE< 2.000000000 UG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
HEXACHLOROCYCLOPENTADIENE< 0.100000000 UG/L2026-05-14LA JOLLA WELL 02 / California DDW laboratory results
TRANS-1,3-DICHLOROPROPENE< 0.500000000 UG/L2026-05-14LA JOLLA WELL 02 / 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)

Casas, Roberto: 310-890-2804

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