An independent public resourceEnglish Español
PublicWater Watch

California Water Service - Livermore

Published drinking-water records and contacts for California Water Service - Livermore. System CA0110003. Review sources and dates; not a real-time water assessment.

System ID
CA0110003
State or territory
CA
Published population served
60414
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/L2024-07-16Well 14-1 (GWRMP) / 0110003802
4:2 FTS< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
6:2 FTS< 0.005 µg/L0.005 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
8:2 FTS< 0.005 µg/L0.005 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
ADONA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
HFPO-DA< 0.005 µg/L0.005 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
NFDHA< 0.02 µg/L0.02 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFBA< 0.005 µg/L0.005 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFBS< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFDA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFDoA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFEESA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFHpA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFHpS< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFHxA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFHxS< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFMBA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFMPA< 0.004 µg/L0.004 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFNA< 0.004 µg/L0.004 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFOA< 0.004 µg/L0.004 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFOS< 0.004 µg/L0.004 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFPeA< 0.003 µg/L0.003 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFPeS< 0.004 µg/L0.004 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFTA< 0.008 µg/L0.008 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFTrDA< 0.007 µg/L0.007 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
PFUnA< 0.002 µg/L0.002 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802
lithium9.06 µg/L9 µg/L2024-07-16Well 14-1 (GWRMP) / 0110003802

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) 0.0075 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.0018 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00207 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0 mg/L2002-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
STYRENE< 0.500000000 UG/L2026-07-08STATION 14 GAC TREATED EFFLUENT / California DDW laboratory results
TRANS-1,3-DICHLOROPROPENE< 0.500000000 UG/L2026-07-08STATION 14 GAC TREATED EFFLUENT / California DDW laboratory results
TRICHLOROTRIFLUOROETHANE< 2.000000000 UG/L2026-07-08WELL 14-01 / California DDW laboratory results
CARBON TETRACHLORIDE< 0.500000000 UG/L2026-07-08WELL 14-01 / California DDW laboratory results
O-DICHLOROBENZENE< 0.500000000 UG/L2026-07-08WELL 14-01 / California DDW laboratory results
TRICHLOROTRIFLUOROETHANE< 2.000000000 UG/L2026-07-08STATION 14 GAC MIDPOINT / California DDW laboratory results
O-DICHLOROBENZENE< 0.500000000 UG/L2026-07-08STATION 14 GAC TREATED EFFLUENT / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-07-08STATION 14 GAC MIDPOINT / California DDW laboratory results
CIS-1,2-DICHLOROETHYLENE< 0.500000000 UG/L2026-07-08STATION 14 GAC TREATED EFFLUENT / California DDW laboratory results
TRANS-1,2-DICHLOROETHYLENE< 0.500000000 UG/L2026-07-08WELL 14-01 / California DDW laboratory results
METHYL TERT-BUTYL ETHER< 0.500000000 UG/L2026-07-08STATION 14 GAC TREATED EFFLUENT / California DDW laboratory results
BROMOCHLOROMETHANE< 0.500000000 UG/L2026-07-08STATION 14 GAC MIDPOINT / 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)

Henrie, Tarrah: 408-367-8490

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