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PublicWater Watch

City of Atwater

Published drinking-water records and contacts for City of Atwater. System CA2410001. Review sources and dates; not a real-time water assessment.

System ID
CA2410001
State or territory
CA
Published population served
29479
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/L2024-05-07Well 13 / 2410001810
4:2 FTS< 0.003 µg/L0.003 µg/L2024-05-07Well 16 / 2410001807
6:2 FTS< 0.005 µg/L0.005 µg/L2024-05-07Well 14 / 2410001809
8:2 FTS< 0.005 µg/L0.005 µg/L2024-05-07Well 16 / 2410001807
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-05-07Well 16 / 2410001807
ADONA< 0.003 µg/L0.003 µg/L2024-05-07Well 16 / 2410001807
HFPO-DA< 0.005 µg/L0.005 µg/L2024-05-07Well 18 / 2410001805
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-05-07Well 16 / 2410001807
NFDHA< 0.02 µg/L0.02 µg/L2024-05-07Well 16 / 2410001807
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-05-07Well 15 / 2410001808
PFBA< 0.005 µg/L0.005 µg/L2024-05-07Well 19 / 2410001804
PFBS< 0.003 µg/L0.003 µg/L2024-05-07Well 15 / 2410001808
PFDA< 0.003 µg/L0.003 µg/L2024-05-07Well 18 / 2410001805
PFDoA< 0.003 µg/L0.003 µg/L2024-05-07Well 19 / 2410001804
PFEESA< 0.003 µg/L0.003 µg/L2024-05-07Well 21 / 2410001802
PFHpA0.0046 µg/L0.003 µg/L2024-05-07Well 16 / 2410001807
PFHpS< 0.003 µg/L0.003 µg/L2024-05-07Well 21 / 2410001802
PFHxA0.0097 µg/L0.003 µg/L2024-05-07Well 16 / 2410001807
PFHxS< 0.003 µg/L0.003 µg/L2024-05-07Well 17 / 2410001806
PFMBA< 0.003 µg/L0.003 µg/L2024-05-07Well 13 / 2410001810
PFMPA< 0.004 µg/L0.004 µg/L2024-05-07Well 16 / 2410001807
PFNA< 0.004 µg/L0.004 µg/L2024-05-07Well 16 / 2410001807
PFOA< 0.004 µg/L0.004 µg/L2024-05-07Well 19 / 2410001804
PFOS< 0.004 µg/L0.004 µg/L2024-05-07Well 14 / 2410001809
PFPeA0.0048 µg/L0.003 µg/L2024-05-07Well 19 / 2410001804
PFPeS< 0.004 µg/L0.004 µg/L2024-05-07Well 19 / 2410001804
PFTA< 0.008 µg/L0.008 µg/L2024-05-07Well 21 / 2410001802
PFTrDA< 0.007 µg/L0.007 µg/L2024-05-07Well 21 / 2410001802
PFUnA< 0.002 µg/L0.002 µg/L2024-05-07Well 15 / 2410001808
lithium< 9 µg/L9 µg/L2024-05-07Well 15 / 2410001808

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 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.001 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0014 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) 0.0025 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.0025 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ADONA< 2.000000000 NG/L2026-07-07WELL 15 - TRT GAC CL / California DDW laboratory results
PERFLUOROCTANOIC ACID (PFOA)< 2.000000000 NG/L2026-07-07WELL 15 - RAW / California DDW laboratory results
PERFLUOROBUTANOIC ACID (PFBA)< 2.000000000 NG/L2026-07-07WELL 15 - RAW / California DDW laboratory results
9CL-PF3ONS< 2.000000000 NG/L2026-07-07WELL 21 - RAW / California DDW laboratory results
PERFLUOROCTANE SULFONIC ACID (PFOS)< 2.000000000 NG/L2026-07-07WELL 15 - TRT GAC CL / California DDW laboratory results
PERFLUOROPENTANESULFONIC ACID (PFPES)3.4 NG/L2026-07-07WELL 16 - RAW / California DDW laboratory results
PERFLUORONONANOIC ACID (PFNA)< 2.000000000 NG/L2026-07-07WELL 16 - RAW / California DDW laboratory results
PERFLUOROOCTANE SULFONIC ACID 6:2 FTS< 5.000000000 NG/L2026-07-07WELL 16 - RAW / California DDW laboratory results
PERFLUORO PFEESA< 2.000000000 NG/L2026-07-07WELL 15 - TRT GAC CL / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5.000000000 NG/L2026-07-07WELL 16 - TRT GAC CL / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5.000000000 NG/L2026-07-07WELL 21 - RAW / California DDW laboratory results
ADONA< 2.000000000 NG/L2026-07-07WELL 16 - RAW / 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)

Vinson, Justin: 209-357-6370

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