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PublicWater Watch

Torrance-City, Water Dept.

Published drinking-water records and contacts for Torrance-City, Water Dept.. System CA1910213. Review sources and dates; not a real-time water assessment.

System ID
CA1910213
State or territory
CA
Published population served
106183
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/L2024-02-16Goldsworthy Desalter / 1910213900
4:2 FTS< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
6:2 FTS< 0.005 µg/L0.005 µg/L2024-02-16Goldsworthy Desalter / 1910213900
8:2 FTS< 0.005 µg/L0.005 µg/L2024-02-16Goldsworthy Desalter / 1910213900
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-02-16Goldsworthy Desalter / 1910213900
ADONA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
HFPO-DA< 0.005 µg/L0.005 µg/L2024-02-16Goldsworthy Desalter / 1910213900
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-12-14North Torrance Wellfield / 1910213803
NFDHA< 0.02 µg/L0.02 µg/L2024-02-16Goldsworthy Desalter / 1910213900
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-12-14North Torrance Wellfield / 1910213803
PFBA< 0.005 µg/L0.005 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFBS< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFDA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFDoA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFEESA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFHpA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFHpS< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFHxA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFHxS< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFMBA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFMPA< 0.004 µg/L0.004 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFNA< 0.004 µg/L0.004 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFOA< 0.004 µg/L0.004 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFOS< 0.004 µg/L0.004 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFPeA< 0.003 µg/L0.003 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFPeS< 0.004 µg/L0.004 µg/L2024-02-16Goldsworthy Desalter / 1910213900
PFTA< 0.008 µg/L0.008 µg/L2023-12-14North Torrance Wellfield / 1910213803
PFTrDA< 0.007 µg/L0.007 µg/L2023-12-14North Torrance Wellfield / 1910213803
PFUnA< 0.002 µg/L0.002 µg/L2024-02-16Goldsworthy Desalter / 1910213900
lithium< 9 µg/L9 µg/L2023-12-14North Torrance Wellfield / 1910213803

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 – 2026-06-302026Q3
Lead (PB90) 0 mg/L2025-07-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2025-01-01 – 2025-06-302026Q3
Lead (PB90) 0 mg/L2024-07-01 – 2024-12-312026Q3
Lead (PB90) 0 mg/L2024-01-01 – 2024-06-302026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2019-07-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2019-06-302026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
MANGANESE42 UG/L2026-06-29NORTH TORRANCE WELL FIELD TREATMENT PLAN / California DDW laboratory results
CHLORIDE29 MG/L2026-06-24COMBINED RO EFFLUENT PRIOR TO BLENDING / California DDW laboratory results
TDS2600 MG/L2026-06-24CITY YARD WELL / California DDW laboratory results
CHLORIDE900 MG/L2026-06-24DELTHORNE PARK WELL / California DDW laboratory results
METHYL TERT-BUTYL ETHER< 3.000000000 UG/L2026-06-24DELTHORNE PARK WELL / California DDW laboratory results
PH7.6 PH2026-06-24CITY YARD WELL / California DDW laboratory results
MANGANESE< 20.000000000 UG/L2026-06-24COMBINED RO EFFLUENT AFTER BLENDING / California DDW laboratory results
SULFATE5.8 MG/L2026-06-24COMBINED RO EFFLUENT AFTER BLENDING / California DDW laboratory results
TDS2100 MG/L2026-06-24DELTHORNE PARK WELL / California DDW laboratory results
SULFATE280 MG/L2026-06-24CITY YARD WELL / California DDW laboratory results
TDS140 MG/L2026-06-24COMBINED RO EFFLUENT AFTER BLENDING / California DDW laboratory results
METHYL TERT-BUTYL ETHER< 3.000000000 UG/L2026-06-24COMBINED RO EFFLUENT AFTER BLENDING / 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)

Papa, Alvin: 310-781-6900

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