An independent public resourceEnglish Español
PublicWater Watch

Rancho California Water District

Published drinking-water records and contacts for Rancho California Water District. System CA3310038. Review sources and dates; not a real-time water assessment.

System ID
CA3310038
State or territory
CA
Published population served
146147
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/L2024-12-13Well #151 / EP151
4:2 FTS< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
6:2 FTS< 0.005 µg/L0.005 µg/L2024-12-13Well #151 / EP151
8:2 FTS< 0.005 µg/L0.005 µg/L2024-12-13Well #151 / EP151
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-12-13Well #151 / EP151
ADONA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
HFPO-DA< 0.005 µg/L0.005 µg/L2024-12-13Well #151 / EP151
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-12-13Well #151 / EP151
NFDHA< 0.02 µg/L0.02 µg/L2024-12-13Well #151 / EP151
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-12-13Well #151 / EP151
PFBA< 0.005 µg/L0.005 µg/L2024-12-13Well #151 / EP151
PFBS< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFDA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFDoA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFEESA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFHpA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFHpS< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFHxA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFHxS< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFMBA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFMPA< 0.004 µg/L0.004 µg/L2024-12-13Well #151 / EP151
PFNA< 0.004 µg/L0.004 µg/L2024-12-13Well #151 / EP151
PFOA< 0.004 µg/L0.004 µg/L2024-12-13Well #151 / EP151
PFOS< 0.004 µg/L0.004 µg/L2024-12-13Well #151 / EP151
PFPeA< 0.003 µg/L0.003 µg/L2024-12-13Well #151 / EP151
PFPeS< 0.004 µg/L0.004 µg/L2024-12-13Well #151 / EP151
PFTA< 0.008 µg/L0.008 µg/L2024-12-13Well #151 / EP151
PFTrDA< 0.007 µg/L0.007 µg/L2024-12-13Well #151 / EP151
PFUnA< 0.002 µg/L0.002 µg/L2024-12-13Well #151 / EP151
lithium< 9 µg/L9 µg/L2024-12-13Well #151 / EP151

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/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0.0018 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.005 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
THIOBENCARB (BOLERO)< 0.096000000 UG/L2026-07-09WELL 156 / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 2.000000000 NG/L2026-07-09WELL 156 / California DDW laboratory results
PERFLUORO PFEESA< 2.000000000 NG/L2026-07-09WELL 151 / California DDW laboratory results
PERFLUORO PFMPA< 2.000000000 NG/L2026-07-09WELL 151 / California DDW laboratory results
DI(2-ETHYLHEXYL) ADIPATE< 0.570000000 UG/L2026-07-09WELL 156 / California DDW laboratory results
11CL-PF3OUDS< 2.000000000 NG/L2026-07-09WELL 156 / California DDW laboratory results
PERFLUORODODECANOIC ACID (PFDOA)< 2.000000000 NG/L2026-07-09WELL 156 / California DDW laboratory results
HEXACHLOROCYCLOPENTADIENE< 0.048000000 UG/L2026-07-09WELL 156 / California DDW laboratory results
PERFLUOROCTANOIC ACID (PFOA)< 2.000000000 NG/L2026-07-09WELL 156 / California DDW laboratory results
ADONA< 2.000000000 NG/L2026-07-09WELL 151 / California DDW laboratory results
PERFLUORO PFMBA< 2.000000000 NG/L2026-07-09WELL 156 / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.005000000 UG/L2026-07-09WELL 156 / 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)

Farrell, Jordan: 951-296-6965

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