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Brentwood

Published drinking-water records and contacts for Brentwood. System CA0710004. Review sources and dates; not a real-time water assessment.

System ID
CA0710004
State or territory
CA
Published population served
64513
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/L2025-05-07Well 8 / 0710004804
4:2 FTS< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
6:2 FTS< 0.005 µg/L0.005 µg/L2025-05-07Well 8 / 0710004804
8:2 FTS< 0.005 µg/L0.005 µg/L2025-05-07Well 8 / 0710004804
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-05-07Well 8 / 0710004804
ADONA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
HFPO-DA< 0.005 µg/L0.005 µg/L2025-05-07Well 8 / 0710004804
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-05-07Well 8 / 0710004804
NFDHA< 0.02 µg/L0.02 µg/L2025-05-07Well 8 / 0710004804
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-05-07Well 8 / 0710004804
PFBA< 0.005 µg/L0.005 µg/L2025-05-07Well 8 / 0710004804
PFBS< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFDA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFDoA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFEESA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFHpA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFHpS< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFHxA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFHxS< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFMBA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFMPA< 0.004 µg/L0.004 µg/L2025-05-07Well 8 / 0710004804
PFNA< 0.004 µg/L0.004 µg/L2025-05-07Well 8 / 0710004804
PFOA< 0.004 µg/L0.004 µg/L2025-05-07Well 8 / 0710004804
PFOS< 0.004 µg/L0.004 µg/L2025-05-07Well 8 / 0710004804
PFPeA< 0.003 µg/L0.003 µg/L2025-05-07Well 8 / 0710004804
PFPeS< 0.004 µg/L0.004 µg/L2025-05-07Well 8 / 0710004804
PFTA< 0.008 µg/L0.008 µg/L2025-05-07Well 8 / 0710004804
PFTrDA< 0.007 µg/L0.007 µg/L2025-05-07Well 8 / 0710004804
PFUnA< 0.002 µg/L0.002 µg/L2025-05-07Well 8 / 0710004804
lithium70.7 µg/L9 µg/L2025-05-07Well 8 / 0710004804

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/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.00094 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0014 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.0019 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0 mg/L2004-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
DIBROMOCHLOROMETHANE3.3 UG/L2026-06-08DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE7.0 UG/L2026-06-08DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID1.0 UG/L2026-06-08DBPR Sample / California DDW laboratory results
TOTAL HALOACETIC ACIDS (HAA5)5.6 UG/L2026-06-08DBPR Sample / California DDW laboratory results
BROMOFORM1.1 UG/L2026-06-08DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID4.6 UG/L2026-06-08DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID< 1.000000000 UG/L2026-06-08DBPR Sample / California DDW laboratory results
MONOCHLOROACETIC ACID< 2.000000000 UG/L2026-06-08DBPR Sample / California DDW laboratory results
CHLOROFORM10 UG/L2026-06-08DBPR Sample / California DDW laboratory results
TTHM21 UG/L2026-06-08DBPR Sample / California DDW laboratory results
MONOBROMOACETIC ACID< 1.000000000 UG/L2026-06-08DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID3.8 UG/L2026-02-09DBPR 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

6 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, Public1989-11-01 – 1989-11-30ArchivedNo2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1984-02-01 – 1984-02-29ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1984-01-01 – 1984-01-31ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1983-07-01 – 1983-07-31ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1982-10-01 – 1982-10-31ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1982-07-01 – 1982-09-30ArchivedYes2026Q3

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)

Wolfe, James: 925-516-6025

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