An independent public resourceEnglish Español
PublicWater Watch

Los Angeles-City, Dept. of Water & Power

Published drinking-water records and contacts for Los Angeles-City, Dept. of Water & Power. System CA1910067. Review sources and dates; not a real-time water assessment.

System ID
CA1910067
State or territory
CA
Published population served
3875566
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/L2024-09-11LA-17 / EGLRK42A
4:2 FTS< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
6:2 FTS< 0.005 µg/L0.005 µg/L2024-09-11LA-17 / EGLRK42A
8:2 FTS< 0.005 µg/L0.005 µg/L2024-09-11LA-17 / EGLRK42A
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-09-11LA-17 / EGLRK42A
ADONA< 0.003 µg/L0.003 µg/L2024-09-11LA-17 / EGLRK42A
HFPO-DA< 0.005 µg/L0.005 µg/L2024-09-11LA-21 / PVACM
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-09-11LA-21 / PVACM
NFDHA< 0.02 µg/L0.02 µg/L2024-09-11LA-17 / EGLRK42A
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-09-11LA-17 / EGLRK42A
PFBA< 0.005 µg/L0.005 µg/L2024-09-11LA-21 / PVACM
PFBS< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFDA< 0.003 µg/L0.003 µg/L2024-09-11LA-17 / EGLRK42A
PFDoA< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFEESA< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFHpA< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFHpS< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFHxA< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFHxS< 0.003 µg/L0.003 µg/L2024-09-11LA-17 / EGLRK42A
PFMBA< 0.003 µg/L0.003 µg/L2024-09-11LA-17 / EGLRK42A
PFMPA< 0.004 µg/L0.004 µg/L2024-09-11LA-21 / PVACM
PFNA< 0.004 µg/L0.004 µg/L2024-09-11LA-21 / PVACM
PFOA< 0.004 µg/L0.004 µg/L2024-09-11LA-17 / EGLRK42A
PFOS< 0.004 µg/L0.004 µg/L2024-09-11LA-21 / PVACM
PFPeA< 0.003 µg/L0.003 µg/L2024-09-11LA-21 / PVACM
PFPeS< 0.004 µg/L0.004 µg/L2024-09-11LA-21 / PVACM
PFTA< 0.008 µg/L0.008 µg/L2024-09-11LA-17 / EGLRK42A
PFTrDA< 0.007 µg/L0.007 µg/L2024-09-11LA-21 / PVACM
PFUnA< 0.002 µg/L0.002 µg/L2024-09-11LA-17 / EGLRK42A
lithium47.4 µg/L9 µg/L2024-09-11LA-17 / EGLRK42A

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) 0.0039 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.005 mg/L2020-01-01 – 2020-12-312026Q3
Lead (PB90) 0.0043 mg/L2019-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0052 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.0063 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0.0092 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.006 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.01 mg/L2004-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
N-NITROSODIMETHYLAMINE< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSODI-N-PROPYLAMINE< 0.002100000 UG/L2026-07-13UV/AOP COMBINED EFFLUENT / California DDW laboratory results
N-NITROSOPIPERIDINE (NPIP)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED EFFLUENT / California DDW laboratory results
N-NITROSOPYRROLIDINE (NPYR)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSOMETHYLETHYLAMINE (NMEA)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSOMORPHOLINE (NMOR)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED EFFLUENT / California DDW laboratory results
N-NITROSOPYRROLIDINE (NPYR)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED EFFLUENT / California DDW laboratory results
N-NITROSOMORPHOLINE (NMOR)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSODI-N-PROPYLAMINE< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSOMETHYLETHYLAMINE (NMEA)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED EFFLUENT / California DDW laboratory results
N-NITROSODI-N-BUTYLAMINE (NDBA)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / California DDW laboratory results
N-NITROSOPIPERIDINE (NPIP)< 0.002100000 UG/L2026-07-13UV/AOP COMBINED INFLUENT (BEFORE H2O2) / 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

1 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
Long Term 2 Enhanced Surface Water Treatment Rule / Treatment Technique (SWTR and GWR)2018-01-01 – 2018-01-31ResolvedYes2026Q3

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)

Leung, Jonathan: 800-342-5397

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