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PublicWater Watch

City of Benicia

Published drinking-water records and contacts for City of Benicia. System CA4810001. Review sources and dates; not a real-time water assessment.

System ID
CA4810001
State or territory
CA
Published population served
27131
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/L2025-10-07Benicia WTP / 4810014801
4:2 FTS< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
6:2 FTS< 0.005 µg/L0.005 µg/L2025-10-07Benicia WTP / 4810014801
8:2 FTS< 0.005 µg/L0.005 µg/L2025-10-07Benicia WTP / 4810014801
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-10-07Benicia WTP / 4810014801
ADONA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
HFPO-DA< 0.005 µg/L0.005 µg/L2025-10-07Benicia WTP / 4810014801
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-10-07Benicia WTP / 4810014801
NFDHA< 0.02 µg/L0.02 µg/L2025-10-07Benicia WTP / 4810014801
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-10-07Benicia WTP / 4810014801
PFBA< 0.005 µg/L0.005 µg/L2025-10-07Benicia WTP / 4810014801
PFBS< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFDA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFDoA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFEESA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFHpA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFHpS< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFHxA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFHxS< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFMBA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFMPA< 0.004 µg/L0.004 µg/L2025-10-07Benicia WTP / 4810014801
PFNA< 0.004 µg/L0.004 µg/L2025-10-07Benicia WTP / 4810014801
PFOA< 0.004 µg/L0.004 µg/L2025-10-07Benicia WTP / 4810014801
PFOS< 0.004 µg/L0.004 µg/L2025-10-07Benicia WTP / 4810014801
PFPeA< 0.003 µg/L0.003 µg/L2025-10-07Benicia WTP / 4810014801
PFPeS< 0.004 µg/L0.004 µg/L2025-10-07Benicia WTP / 4810014801
PFTA< 0.008 µg/L0.008 µg/L2025-10-07Benicia WTP / 4810014801
PFTrDA< 0.007 µg/L0.007 µg/L2025-10-07Benicia WTP / 4810014801
PFUnA< 0.002 µg/L0.002 µg/L2025-10-07Benicia WTP / 4810014801
lithium< 9 µg/L9 µg/L2025-10-07Benicia WTP / 4810014801

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) 0.0023 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.0015 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0016 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.0016 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2012-01-01 – 2012-12-312026Q3
Lead (PB90) 0 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.0029 mg/L2004-01-01 – 2006-12-312026Q3
Lead (PB90) 0.0029 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
BROMOMETHANE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
M-DICHLOROBENZENE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
1,1,2,2-TETRACHLOROETHANE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
LANGELIER INDEX AT SOURCE TEMP.0.68 LANG2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
O-XYLENE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
ZINC< 5.000000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
CHLOROMETHANE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
SEC-BUTYLBENZENE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
TRICHLOROFLUOROMETHANE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
XYLENE, META AND PARA< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
TRICHLOROTRIFLUOROETHANE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / California DDW laboratory results
PERCHLORATE< 0.500000000 UG/L2026-07-08LAKE HERMAN INTAKE / 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)

Garcia, Rainier: 707-746-4393

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