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PublicWater Watch

City of Auburn

Published drinking-water records and contacts for City of Auburn. System WA5303350. Review sources and dates; not a real-time water assessment.

System ID
WA5303350
State or territory
WA
Published population served
107655
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/L2025-11-19Well #4 / S07
4:2 FTS< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
6:2 FTS< 0.005 µg/L0.005 µg/L2025-11-19Well #4 / S07
8:2 FTS< 0.005 µg/L0.005 µg/L2025-11-19Well #4 / S07
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-11-19Well #4 / S07
ADONA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
HFPO-DA< 0.005 µg/L0.005 µg/L2025-11-19Well #4 / S07
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-11-19Well #4 / S07
NFDHA< 0.02 µg/L0.02 µg/L2025-11-19Well #4 / S07
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-11-19Well #4 / S07
PFBA< 0.005 µg/L0.005 µg/L2025-11-19Well #4 / S07
PFBS< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFDA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFDoA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFEESA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFHpA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFHpS< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFHxA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFHxS< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFMBA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFMPA< 0.004 µg/L0.004 µg/L2025-11-19Well #4 / S07
PFNA< 0.004 µg/L0.004 µg/L2025-11-19Well #4 / S07
PFOA< 0.004 µg/L0.004 µg/L2025-11-19Well #4 / S07
PFOS< 0.004 µg/L0.004 µg/L2025-11-19Well #4 / S07
PFPeA< 0.003 µg/L0.003 µg/L2025-11-19Well #4 / S07
PFPeS< 0.004 µg/L0.004 µg/L2025-11-19Well #4 / S07
PFTA< 0.008 µg/L0.008 µg/L2025-11-19Well #4 / S07
PFTrDA< 0.007 µg/L0.007 µg/L2025-11-19Well #4 / S07
PFUnA< 0.002 µg/L0.002 µg/L2025-11-19Well #4 / S07
lithium< 9 µg/L9 µg/L2025-11-19Well #4 / S07

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) 0.0022 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.0013 mg/L2021-01-01 – 2021-06-302026Q3
Lead (PB90) 0.0031 mg/L2020-07-01 – 2020-12-312026Q3
Lead (PB90) 0.0011 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.002 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0.002 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.007 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.002 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
8:2FTSBelow a limit; numeric threshold unavailable ng/L2025-11-1901 / Washington DOH PFAS test results
ADONABelow a limit; numeric threshold unavailable ng/L2025-11-1903 / Washington DOH PFAS test results
PFMPABelow a limit; numeric threshold unavailable ng/L2025-11-1903 / Washington DOH PFAS test results
PFBABelow a limit; numeric threshold unavailable ng/L2025-11-1906 / Washington DOH PFAS test results
PFPeSBelow a limit; numeric threshold unavailable ng/L2025-11-1903 / Washington DOH PFAS test results
PFUnABelow a limit; numeric threshold unavailable ng/L2025-11-1914 / Washington DOH PFAS test results
NFDHABelow a limit; numeric threshold unavailable ng/L2025-11-1901 / Washington DOH PFAS test results
PFNABelow a limit; numeric threshold unavailable ng/L2025-11-1910 / Washington DOH PFAS test results
HFPO-DABelow a limit; numeric threshold unavailable ng/L2025-11-1906 / Washington DOH PFAS test results
9Cl-PF3ONSBelow a limit; numeric threshold unavailable ng/L2025-11-1906 / Washington DOH PFAS test results
PFHpABelow a limit; numeric threshold unavailable ng/L2025-11-1903 / Washington DOH PFAS test results
PFDABelow a limit; numeric threshold unavailable ng/L2025-11-1910 / Washington DOH PFAS test 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

7 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
Nitrate Rule / Monitoring, Regular2025-01-01 – 2025-12-31ArchivedNo2026Q3
Nitrate Rule / Monitoring, Regular2025-01-01 – 2025-12-31ArchivedNo2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)1996-08-01 – 1996-08-31ArchivedYes2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)1995-09-01 – 1995-09-30ArchivedYes2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)1993-09-01 – 1993-09-30ArchivedYes2026Q3
Total Coliform Rule / Monitoring, Repeat Major (TCR)1992-05-01 – 1992-05-31ArchivedNo2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular1979-10-01 – 1979-10-31ArchivedNo2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

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