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South Coast Water District

Published drinking-water records and contacts for South Coast Water District. System CA3010042. Review sources and dates; not a real-time water assessment.

System ID
CA3010042
State or territory
CA
Published population served
41118
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/L2023-12-27Groundwater Recovery / 3010042205205
4:2 FTS< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
6:2 FTS< 0.005 µg/L0.005 µg/L2023-12-27Groundwater Recovery / 3010042205205
8:2 FTS< 0.005 µg/L0.005 µg/L2023-12-27Groundwater Recovery / 3010042205205
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-12-27Groundwater Recovery / 3010042205205
ADONA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
HFPO-DA< 0.005 µg/L0.005 µg/L2023-12-27Groundwater Recovery / 3010042205205
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-12-17MWDSC Intertie / 3010042001
NFDHA< 0.02 µg/L0.02 µg/L2023-12-27Groundwater Recovery / 3010042205205
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-12-17MWDSC Intertie / 3010042001
PFBA< 0.005 µg/L0.005 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFBS< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFDA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFDoA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFEESA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFHpA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFHpS< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFHxA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFHxS< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFMBA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFMPA< 0.004 µg/L0.004 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFNA< 0.004 µg/L0.004 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFOA< 0.004 µg/L0.004 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFOS< 0.004 µg/L0.004 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFPeA< 0.003 µg/L0.003 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFPeS< 0.004 µg/L0.004 µg/L2023-12-27Groundwater Recovery / 3010042205205
PFTA< 0.008 µg/L0.008 µg/L2025-12-17MWDSC Intertie / 3010042001
PFTrDA< 0.007 µg/L0.007 µg/L2025-12-17MWDSC Intertie / 3010042001
PFUnA< 0.002 µg/L0.002 µg/L2023-12-27Groundwater Recovery / 3010042205205
lithium< 9 µg/L9 µg/L2023-11-08Groundwater Recovery / 3010042205205

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/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2020-06-302026Q3
Lead (PB90) 0 mg/L2019-07-01 – 2019-12-312026Q3
Lead (PB90) 0.0023 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.002 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.007 mg/L2004-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
CHROMIUM, HEX0.67 UG/L2026-06-10SCWD-GRF EFFLUENT / California DDW laboratory results
CHROMIUM, HEX1.6 UG/L2026-06-10STONEHILL WELL / California DDW laboratory results
MANGANESE< 10.000000000 UG/L2026-04-29SCWD-GRF RO PERMEATE PRIOR TO BLENDING / California DDW laboratory results
LANGELIER INDEX AT SOURCE TEMP.0.02 LANG2026-04-29SCWD-GRF EFFLUENT / California DDW laboratory results
IRON45.0 UG/L2026-04-29SCWD-GRF EFFLUENT / California DDW laboratory results
TDS14 MG/L2026-04-29SCWD-GRF RO PERMEATE PRIOR TO BLENDING / California DDW laboratory results
MANGANESE1300 UG/L2026-04-29STONEHILL WELL / California DDW laboratory results
IRON170 UG/L2026-04-29SCWD-GRF GREENSAND FILTRATION / California DDW laboratory results
PH8.12 PH2026-04-29SCWD-GRF EFFLUENT / California DDW laboratory results
IRON< 10.000000000 UG/L2026-04-29SCWD-GRF RO PERMEATE PRIOR TO BLENDING / California DDW laboratory results
TEMPERATURE (CENTIGRADE)23.4 C2026-04-29SCWD-GRF EFFLUENT / California DDW laboratory results
ALKALINITY, TOTAL54 MG/L2026-04-29SCWD-GRF EFFLUENT / 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)

Shintaku, Rick: 949-342-1152

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