An independent public resourceEnglish Español
PublicWater Watch

Cerritos - City, Water Dept.

Published drinking-water records and contacts for Cerritos - City, Water Dept.. System CA1910019. Review sources and dates; not a real-time water assessment.

System ID
CA1910019
State or territory
CA
Published population served
47475
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/L2025-02-27MWD Intertie / 1910019806
4:2 FTS< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
6:2 FTS< 0.005 µg/L0.005 µg/L2025-02-27MWD Intertie / 1910019806
8:2 FTS< 0.005 µg/L0.005 µg/L2025-02-27MWD Intertie / 1910019806
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-02-27MWD Intertie / 1910019806
ADONA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
HFPO-DA< 0.005 µg/L0.005 µg/L2025-02-27MWD Intertie / 1910019806
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-02-27MWD Intertie / 1910019806
NFDHA< 0.02 µg/L0.02 µg/L2025-02-27MWD Intertie / 1910019806
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-02-27MWD Intertie / 1910019806
PFBA< 0.005 µg/L0.005 µg/L2025-02-27MWD Intertie / 1910019806
PFBS< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFDA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFDoA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFEESA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFHpA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFHpS< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFHxA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFHxS< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFMBA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFMPA< 0.004 µg/L0.004 µg/L2025-02-27MWD Intertie / 1910019806
PFNA< 0.004 µg/L0.004 µg/L2025-02-27MWD Intertie / 1910019806
PFOA< 0.004 µg/L0.004 µg/L2025-02-27MWD Intertie / 1910019806
PFOS< 0.004 µg/L0.004 µg/L2025-02-27MWD Intertie / 1910019806
PFPeA< 0.003 µg/L0.003 µg/L2025-02-27MWD Intertie / 1910019806
PFPeS< 0.004 µg/L0.004 µg/L2025-02-27MWD Intertie / 1910019806
PFTA< 0.008 µg/L0.008 µg/L2025-02-27MWD Intertie / 1910019806
PFTrDA< 0.007 µg/L0.007 µg/L2025-02-27MWD Intertie / 1910019806
PFUnA< 0.002 µg/L0.002 µg/L2025-02-27MWD Intertie / 1910019806
lithium56 µg/L9 µg/L2025-02-27MWD Intertie / 1910019806

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/L2026-01-01 – 2028-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/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
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
MONOCHLOROACETIC ACID< 2.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID< 1.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID< 1.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID1.0 UG/L2026-06-18DBPR Sample / California DDW laboratory results
COPPER, FREE200 UG/L2026-06-18LCR Tap Sample / California DDW laboratory results
BROMODICHLOROMETHANE4.1 UG/L2026-06-18DBPR Sample / California DDW laboratory results
COPPER, FREE350 UG/L2026-06-18LCR Tap Sample / California DDW laboratory results
COPPER, FREE310 UG/L2026-06-18LCR Tap Sample / California DDW laboratory results
MONOCHLOROACETIC ACID< 2.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
MONOCHLOROACETIC ACID< 2.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID< 1.000000000 UG/L2026-06-18DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID< 1.000000000 UG/L2026-06-18DBPR 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

2 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
Lead and Copper Rule / Lead Consumer Notice2025-12-17 – —AddressedNo2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2025-10-01 – —UnaddressedNo2026Q3

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)

Taylor, Sofia: 562-916-1220

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