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Lake of The Springs

Published drinking-water records and contacts for Lake of The Springs. System CA5800809. Review sources and dates; not a real-time water assessment.

System ID
CA5800809
State or territory
CA
Published population served
6500
System type (source code)
NTNCWS

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/L2025-10-13North Well / 001
4:2 FTS< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
6:2 FTS< 0.005 µg/L0.005 µg/L2025-10-13North Well / 001
8:2 FTS< 0.005 µg/L0.005 µg/L2025-10-13North Well / 001
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-10-13South Well / 002
ADONA< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
HFPO-DA< 0.005 µg/L0.005 µg/L2025-10-13South Well / 002
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-10-13North Well / 001
NFDHA< 0.02 µg/L0.02 µg/L2025-10-13North Well / 001
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-10-13South Well / 002
PFBA< 0.005 µg/L0.005 µg/L2025-10-13South Well / 002
PFBS< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
PFDA< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
PFDoA< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFEESA< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFHpA< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFHpS< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFHxA< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFHxS< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
PFMBA< 0.003 µg/L0.003 µg/L2025-10-13North Well / 001
PFMPA< 0.004 µg/L0.004 µg/L2025-10-13South Well / 002
PFNA< 0.004 µg/L0.004 µg/L2025-10-13North Well / 001
PFOA< 0.004 µg/L0.004 µg/L2025-10-13North Well / 001
PFOS< 0.004 µg/L0.004 µg/L2025-10-13North Well / 001
PFPeA< 0.003 µg/L0.003 µg/L2025-10-13South Well / 002
PFPeS< 0.004 µg/L0.004 µg/L2025-10-13South Well / 002
PFTA< 0.008 µg/L0.008 µg/L2025-10-13South Well / 002
PFTrDA< 0.007 µg/L0.007 µg/L2025-10-13South Well / 002
PFUnA< 0.002 µg/L0.002 µg/L2025-10-13North Well / 001
lithium< 9 µg/L9 µg/L2025-10-13South Well / 002

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) 0.011 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0095 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NICKEL< 10.000000000 UG/L2026-04-26SOUTH WELL / California DDW laboratory results
NICKEL< 10.000000000 UG/L2026-04-26NORTH WELL / California DDW laboratory results
9CL-PF3ONS< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
NONAFLUORO NFDHA< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUORO PFEESA< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUOROPENTANESULFONIC ACID (PFPES)< 1.600000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
ADONA< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUOROHEPTANESULFONIC ACID (PFHPS)< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUORODODECANOIC ACID (PFDOA)< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 1.600000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUORO PFMPA< 1.700000000 NG/L2026-02-17SOUTH WELL / California DDW laboratory results
PERFLUOROPENTANESULFONIC ACID (PFPES)< 1.700000000 NG/L2026-02-17SOUTH WELL / 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

1 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
Miscellaneous Other Rules / Notification, Public1984-08-01 – 1984-08-31ArchivedNo2026Q3

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)

Richey, Cara: 530-692-1643

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