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PublicWater Watch

City of South Pasadena

Published drinking-water records and contacts for City of South Pasadena. System CA1910154. Review sources and dates; not a real-time water assessment.

System ID
CA1910154
State or territory
CA
Published population served
25329
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/L2024-07-11Graves Well 02 / 1910154807
4:2 FTS< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
6:2 FTS< 0.005 µg/L0.005 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
8:2 FTS< 0.005 µg/L0.005 µg/L2024-07-11Graves Well 02 / 1910154807
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-07-11Graves Well 02 / 1910154807
ADONA< 0.003 µg/L0.003 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
HFPO-DA< 0.005 µg/L0.005 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
NFDHA< 0.02 µg/L0.02 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-07-11Graves Well 02 / 1910154807
PFBA< 0.005 µg/L0.005 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFBS< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFDA< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFDoA< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFEESA< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFHpA< 0.003 µg/L0.003 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFHpS< 0.003 µg/L0.003 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFHxA< 0.003 µg/L0.003 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFHxS< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFMBA< 0.003 µg/L0.003 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFMPA< 0.004 µg/L0.004 µg/L2024-07-11Graves Well 02 / 1910154807
PFNA< 0.004 µg/L0.004 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFOA< 0.004 µg/L0.004 µg/L2024-07-11Graves Well 02 / 1910154807
PFOS< 0.004 µg/L0.004 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFPeA< 0.003 µg/L0.003 µg/L2024-07-11Graves Well 02 / 1910154807
PFPeS< 0.004 µg/L0.004 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
PFTA< 0.008 µg/L0.008 µg/L2024-07-11Graves Well 02 / 1910154807
PFTrDA< 0.007 µg/L0.007 µg/L2024-07-11Graves Well 02 / 1910154807
PFUnA< 0.002 µg/L0.002 µg/L2024-07-11Wilson Well 03 and Wilson Well 04 / 1910154806
lithium< 9 µg/L9 µg/L2024-07-11Graves Well 02 / 1910154807

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) 0.0024 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0032 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0.0018 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.002 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.002 mg/L2004-01-01 – 2006-12-312026Q3
Lead (PB90) 0.002 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-07-13GAC WILSON WELLS VESSEL 3A 75% / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-07-13WILSON GAC VESSEL COMBINED EFFLUENT / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-07-13GAC WILSON WELLS VESSEL 4A 75% / California DDW laboratory results
1,2,3-TRICHLOROPROPANE0.0075 UG/L2026-07-13GAC WILSON WELLS VESSEL 1A 50% / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-07-13GAC WILSON WELLS VESSEL 2A 75% / California DDW laboratory results
CARBON TETRACHLORIDE< 0.500000000 UG/L2026-07-07WILSON WELL 04 / California DDW laboratory results
BROMOBENZENE< 0.500000000 UG/L2026-07-07GRAVES WELL 02 / California DDW laboratory results
P-CHLOROTOLUENE< 0.500000000 UG/L2026-07-07WILSON WELL 04 / California DDW laboratory results
ETHYLBENZENE< 0.500000000 UG/L2026-07-07WILSON WELL 03 / California DDW laboratory results
2-HEXANONE< 10.000000000 UG/L2026-07-07GRAVES WELL 02 / California DDW laboratory results
BROMOFORM< 0.500000000 UG/L2026-07-07GRAVES WELL 02 / California DDW laboratory results
CIS-1,3-DICHLOROPROPENE< 0.500000000 UG/L2026-07-07WILSON WELL 04 / 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)

Tesfaye, Anteneh: 626-460-6393

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