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PublicWater Watch

City of Livermore

Published drinking-water records and contacts for City of Livermore. System CA0110011. Review sources and dates; not a real-time water assessment.

System ID
CA0110011
State or territory
CA
Published population served
38892
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/L2025-11-18Zone 7 Intertie / 0110011001
4:2 FTS< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
6:2 FTS< 0.005 µg/L0.005 µg/L2025-11-18Zone 7 Intertie / 0110011001
8:2 FTS< 0.005 µg/L0.005 µg/L2025-11-18Zone 7 Intertie / 0110011001
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-11-18Zone 7 Intertie / 0110011001
ADONA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
HFPO-DA< 0.005 µg/L0.005 µg/L2025-11-18Zone 7 Intertie / 0110011001
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-11-18Zone 7 Intertie / 0110011001
NFDHA< 0.02 µg/L0.02 µg/L2025-11-18Zone 7 Intertie / 0110011001
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFBA< 0.005 µg/L0.005 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFBS< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFDA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFDoA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFEESA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFHpA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFHpS< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFHxA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFHxS< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFMBA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFMPA< 0.004 µg/L0.004 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFNA< 0.004 µg/L0.004 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFOA< 0.004 µg/L0.004 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFOS< 0.004 µg/L0.004 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFPeA< 0.003 µg/L0.003 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFPeS< 0.004 µg/L0.004 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFTA< 0.008 µg/L0.008 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFTrDA< 0.007 µg/L0.007 µg/L2025-11-18Zone 7 Intertie / 0110011001
PFUnA< 0.002 µg/L0.002 µg/L2025-11-18Zone 7 Intertie / 0110011001
lithium< 9 µg/L9 µg/L2025-11-18Zone 7 Intertie / 0110011001

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 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) 0.0015 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.0019 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
BROMOFORM2.8 UG/L2026-06-02DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE9.1 UG/L2026-06-02DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE13 UG/L2026-06-02DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID2.5 UG/L2026-06-02DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE11 UG/L2026-06-02DBPR Sample / California DDW laboratory results
CHLOROFORM10 UG/L2026-06-02DBPR Sample / California DDW laboratory results
BROMOFORM2.6 UG/L2026-06-02DBPR Sample / California DDW laboratory results
BROMOFORM1.5 UG/L2026-06-02DBPR Sample / California DDW laboratory results
TTHM40 UG/L2026-06-02DBPR Sample / California DDW laboratory results
TTHM37 UG/L2026-06-02DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE13 UG/L2026-06-02DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID12 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

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)

Lennier, Dave: 925-960-8138

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