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Sea Ranch Water Company,The (PUC)

Published drinking-water records and contacts for Sea Ranch Water Company,The (PUC). System CA4910007. Review sources and dates; not a real-time water assessment.

System ID
CA4910007
State or territory
CA
Published population served
1160
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/L2023-10-24Treatment Plant / EP002
4:2 FTS< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
6:2 FTS< 0.005 µg/L0.005 µg/L2023-10-24Treatment Plant / EP002
8:2 FTS< 0.005 µg/L0.005 µg/L2023-10-24Treatment Plant / EP002
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-10-24Treatment Plant / EP002
ADONA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
HFPO-DA< 0.005 µg/L0.005 µg/L2023-10-24Treatment Plant / EP002
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-12-04Well 3/4 Blend / EP001
NFDHA< 0.02 µg/L0.02 µg/L2023-10-24Treatment Plant / EP002
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-12-04Treatment Plant / EP002
PFBA< 0.005 µg/L0.005 µg/L2023-10-24Treatment Plant / EP002
PFBS< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFDA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFDoA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFEESA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFHpA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFHpS< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFHxA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFHxS< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFMBA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFMPA< 0.004 µg/L0.004 µg/L2023-10-24Treatment Plant / EP002
PFNA< 0.004 µg/L0.004 µg/L2023-10-24Treatment Plant / EP002
PFOA< 0.004 µg/L0.004 µg/L2023-10-24Treatment Plant / EP002
PFOS< 0.004 µg/L0.004 µg/L2023-10-24Treatment Plant / EP002
PFPeA< 0.003 µg/L0.003 µg/L2023-10-24Treatment Plant / EP002
PFPeS< 0.004 µg/L0.004 µg/L2023-10-24Treatment Plant / EP002
PFTA< 0.008 µg/L0.008 µg/L2023-12-04Treatment Plant / EP002
PFTrDA< 0.007 µg/L0.007 µg/L2023-12-04Treatment Plant / EP002
PFUnA< 0.002 µg/L0.002 µg/L2023-10-24Treatment Plant / EP002
lithium< 9 µg/L9 µg/L2023-10-24Treatment Plant / EP002

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/L2025-01-01 – 2027-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2012-07-01 – 2012-12-312026Q3
Lead (PB90) 0 mg/L2012-01-01 – 2012-06-302026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
CHROMIUM< 1.000000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
PARA-PARA DDT< 0.004800000 UG/L2026-03-17WELL 03A / California DDW laboratory results
CONDUCTIVITY @ 25 C UMHOS/CM280 UMHO/CM2026-03-17WELL 03A / California DDW laboratory results
.ALPHA.-BHC< 0.004800000 UG/L2026-03-17WELL 03A / California DDW laboratory results
DIQUAT< 0.400000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
ODOR< 1.000000000 TON2026-03-17WELL 03A / California DDW laboratory results
COLOR< 5.000000000 UNITS2026-03-17WELL 03A / California DDW laboratory results
COPPER, FREE< 50.000000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
ZINC< 50.000000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
PICLORAM< 1.000000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
BROMACIL< 10.000000000 UG/L2026-03-17WELL 03A / California DDW laboratory results
SILVER< 10.000000000 UG/L2026-03-17WELL 03A / 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

4 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 Revisions / LSL Inventory2024-10-17 – —UnaddressedYes2026Q3
Lead and Copper Rule Revisions / LSL Reporting2024-10-17 – —UnaddressedNo2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2024-10-01 – —ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2023-09-01 – 2023-09-30ResolvedNo2026Q3

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)

Murphy, Brian: 707-785-2411

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