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PublicWater Watch

City of Hanford

Published drinking-water records and contacts for City of Hanford. System CA1610003. Review sources and dates; not a real-time water assessment.

System ID
CA1610003
State or territory
CA
Published population served
62127
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 47 / 1610003819
4:2 FTS< 0.003 µg/L0.003 µg/L2025-11-19Well 47 / 1610003819
6:2 FTS< 0.005 µg/L0.005 µg/L2025-11-19Tank #6 / 1610003004
8:2 FTS< 0.005 µg/L0.005 µg/L2025-11-19Well 45 / 1610003817
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-11-19Tank #6 / 1610003004
ADONA< 0.003 µg/L0.003 µg/L2025-11-19Tank #5 / 1610003003
HFPO-DA< 0.005 µg/L0.005 µg/L2025-11-19Well #49 / 1610003002
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-11-19Well #50 / 1610003825
NFDHA< 0.02 µg/L0.02 µg/L2025-11-19Well #48 / 1610003001
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-11-19Well #43 / 1610003823
PFBA< 0.005 µg/L0.005 µg/L2025-11-19Well #42 / 1610003822
PFBS< 0.003 µg/L0.003 µg/L2025-11-19Well 46 / 1610003818
PFDA< 0.003 µg/L0.003 µg/L2025-11-19Well #48 / 1610003001
PFDoA< 0.003 µg/L0.003 µg/L2025-11-19Tank #6 / 1610003004
PFEESA< 0.003 µg/L0.003 µg/L2025-11-19Well 45 / 1610003817
PFHpA< 0.003 µg/L0.003 µg/L2025-11-19Tank #5 / 1610003003
PFHpS< 0.003 µg/L0.003 µg/L2025-11-19Tank #5 / 1610003003
PFHxA< 0.003 µg/L0.003 µg/L2025-11-19Well 38 / 1610003810
PFHxS< 0.003 µg/L0.003 µg/L2025-11-19Well 46 / 1610003818
PFMBA< 0.003 µg/L0.003 µg/L2025-11-19Tank #5 / 1610003003
PFMPA< 0.004 µg/L0.004 µg/L2025-11-19Well #41 / 1610003821
PFNA< 0.004 µg/L0.004 µg/L2025-11-19Well 46 / 1610003818
PFOA< 0.004 µg/L0.004 µg/L2025-11-19Well 45 / 1610003817
PFOS< 0.004 µg/L0.004 µg/L2025-11-19Well #50 / 1610003825
PFPeA< 0.003 µg/L0.003 µg/L2025-11-19Well #43 / 1610003823
PFPeS< 0.004 µg/L0.004 µg/L2025-11-19Well #40 / 1610003820
PFTA< 0.008 µg/L0.008 µg/L2025-11-19Well #48 / 1610003001
PFTrDA< 0.007 µg/L0.007 µg/L2025-11-19Well #42 / 1610003822
PFUnA< 0.002 µg/L0.002 µg/L2025-11-19Tank #6 / 1610003004
lithium< 9 µg/L9 µg/L2025-11-19Well #50 / 1610003825

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/L2024-01-01 – 2024-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.0069 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.0025 mg/L2006-01-01 – 2008-12-312026Q3
Lead (PB90) 0.0025 mg/L2003-01-01 – 2005-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ARSENIC< 2.000000000 UG/L2026-07-08WELL 50 - AFTER_AS-TRT-VESSEL-EFF / California DDW laboratory results
ARSENIC5.1 UG/L2026-07-08WELL 50 - AFTER_AS-TRT_BLEND_EFF / California DDW laboratory results
ARSENIC10 UG/L2026-07-08WELL 50 - BEFORE_AS-TRT / California DDW laboratory results
ARSENIC5.8 UG/L2026-06-17WELL 50 - AFTER_AS-TRT_BLEND_EFF / California DDW laboratory results
ARSENIC< 2.000000000 UG/L2026-06-17WELL 50 - AFTER_AS-TRT-VESSEL-EFF / California DDW laboratory results
ARSENIC< 2.000000000 UG/L2026-06-03WELL 50 - AFTER_AS-TRT-VESSEL-EFF / California DDW laboratory results
ARSENIC5.9 UG/L2026-06-03WELL 50 - AFTER_AS-TRT_BLEND_EFF / California DDW laboratory results
ARSENIC11 UG/L2026-06-03WELL 50 - BEFORE_AS-TRT / California DDW laboratory results
ARSENIC5.5 UG/L2026-05-19WELL 50 - AFTER_AS-TRT_BLEND_EFF / California DDW laboratory results
ARSENIC< 2.000000000 UG/L2026-05-19WELL 50 - AFTER_AS-TRT-VESSEL-EFF / California DDW laboratory results
ETHYLBENZENE< 0.500000000 UG/L2026-05-08WELL 49 - RAW / California DDW laboratory results
P-DICHLOROBENZENE< 0.500000000 UG/L2026-05-08WELL 49 - 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

5 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
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2023-10-01 – —ResolvedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2021-04-01 – 2021-06-30ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2021-01-01 – 2021-03-31ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2020-10-01 – 2020-12-31ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2020-07-01 – 2020-09-30ResolvedYes2026Q3

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)

Senteno, Frank: 559-585-2567

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