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PublicWater Watch

California-American Geyserville (PUC)

Published drinking-water records and contacts for California-American Geyserville (PUC). System CA4910024. Review sources and dates; not a real-time water assessment.

System ID
CA4910024
State or territory
CA
Published population served
1046
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/L2023-11-07Well 3 / EP3
4:2 FTS< 0.003 µg/L0.003 µg/L2023-11-07Well 3 / EP3
6:2 FTS< 0.005 µg/L0.005 µg/L2023-11-07Well 1 / EP1
8:2 FTS< 0.005 µg/L0.005 µg/L2023-11-07Well 3 / EP3
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-11-07Well 1 / EP1
ADONA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
HFPO-DA< 0.005 µg/L0.005 µg/L2023-11-07Well 3 / EP3
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-11-07Well 1 / EP1
NFDHA< 0.02 µg/L0.02 µg/L2023-11-07Well 1 / EP1
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-11-07Well 3 / EP3
PFBA< 0.005 µg/L0.005 µg/L2023-11-07Well 1 / EP1
PFBS< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFDA< 0.003 µg/L0.003 µg/L2023-11-07Well 3 / EP3
PFDoA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFEESA< 0.003 µg/L0.003 µg/L2023-11-07Well 3 / EP3
PFHpA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFHpS< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFHxA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFHxS< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFMBA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFMPA< 0.004 µg/L0.004 µg/L2023-11-07Well 1 / EP1
PFNA< 0.004 µg/L0.004 µg/L2023-11-07Well 1 / EP1
PFOA< 0.004 µg/L0.004 µg/L2023-11-07Well 1 / EP1
PFOS< 0.004 µg/L0.004 µg/L2023-11-07Well 1 / EP1
PFPeA< 0.003 µg/L0.003 µg/L2023-11-07Well 1 / EP1
PFPeS< 0.004 µg/L0.004 µg/L2023-11-07Well 1 / EP1
PFTA< 0.008 µg/L0.008 µg/L2023-11-07Well 3 / EP3
PFTrDA< 0.007 µg/L0.007 µg/L2023-11-07Well 3 / EP3
PFUnA< 0.002 µg/L0.002 µg/L2023-11-07Well 3 / EP3
lithium< 9 µg/L9 µg/L2023-11-07Well 3 / EP3

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 mg/L2021-01-01 – 2021-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2019-06-302026Q3
Lead (PB90) 0 mg/L2018-07-01 – 2018-12-312026Q3
Copper (CU90) 1.453 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2012-01-01 – 2014-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NONAFLUORO NFDHA< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUORONONANOIC ACID (PFNA)< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUORODODECANOIC ACID (PFDOA)< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUORO PFMPA< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
9CL-PF3ONS< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUOROHEPTANOIC ACID (PFHPA)< 2.000000000 NG/L2026-03-17WELL 03 / California DDW laboratory results
PERFLUOROCTANE SULFONIC ACID (PFOS)< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUORO PFEESA< 2.000000000 NG/L2026-03-17WELL 03 / California DDW laboratory results
PERFLUOROCTANE SULFONIC ACID (PFOS)< 2.000000000 NG/L2026-03-17WELL 03 / California DDW laboratory results
PERFLUOROUNDECANOIC ACID (PFUNA)< 2.000000000 NG/L2026-03-17WELL 03 / California DDW laboratory results
PERFLUOROCTANOIC ACID (PFOA)< 2.000000000 NG/L2026-03-17WELL 01 / California DDW laboratory results
PERFLUOROHEXANOIC ACID (PFHXA)< 2.000000000 NG/L2026-03-17WELL 01 / 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, Public1987-08-01 – 1987-08-31ArchivedNo2026Q3

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)

Foster, Audie: 916-568-4259

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