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Winton Water & Sanitary Dist

Published drinking-water records and contacts for Winton Water & Sanitary Dist. System CA2410010. Review sources and dates; not a real-time water assessment.

System ID
CA2410010
State or territory
CA
Published population served
9745
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/L2023-11-14Well 14 Treatment / EP1
4:2 FTS< 0.003 µg/L0.003 µg/L2023-11-14Well 14 Treatment / EP1
6:2 FTS< 0.005 µg/L0.005 µg/L2023-11-14Well 14 Treatment / EP1
8:2 FTS< 0.005 µg/L0.005 µg/L2023-11-14Well 14 Treatment / EP1
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-11-14Well 15 Treatment / EP1
ADONA< 0.003 µg/L0.003 µg/L2023-11-14Well 17 Treatment / EP1
HFPO-DA< 0.005 µg/L0.005 µg/L2023-11-14Well 14 Treatment / EP1
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-11-14Well 17 Treatment / EP1
NFDHA< 0.02 µg/L0.02 µg/L2023-11-14Well 17 Treatment / EP1
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-11-14Well 17 Treatment / EP1
PFBA< 0.005 µg/L0.005 µg/L2023-11-14Well 17 Treatment / EP1
PFBS< 0.003 µg/L0.003 µg/L2023-11-14Well 14 Treatment / EP1
PFDA< 0.003 µg/L0.003 µg/L2023-11-14Well 17 Treatment / EP1
PFDoA< 0.003 µg/L0.003 µg/L2023-11-14Well 15 Treatment / EP1
PFEESA< 0.003 µg/L0.003 µg/L2023-11-14Well 15 Treatment / EP1
PFHpA< 0.003 µg/L0.003 µg/L2023-11-14Well 17 Treatment / EP1
PFHpS< 0.003 µg/L0.003 µg/L2023-11-14Well 15 Treatment / EP1
PFHxA< 0.003 µg/L0.003 µg/L2023-11-14Well 17 Treatment / EP1
PFHxS< 0.003 µg/L0.003 µg/L2023-11-14Well 17 Treatment / EP1
PFMBA< 0.003 µg/L0.003 µg/L2023-11-14Well 15 Treatment / EP1
PFMPA< 0.004 µg/L0.004 µg/L2023-11-14Well 14 Treatment / EP1
PFNA< 0.004 µg/L0.004 µg/L2023-11-14Well 14 Treatment / EP1
PFOA< 0.004 µg/L0.004 µg/L2023-11-14Well 17 Treatment / EP1
PFOS< 0.004 µg/L0.004 µg/L2023-11-14Well 17 Treatment / EP1
PFPeA< 0.003 µg/L0.003 µg/L2023-11-14Well 14 Treatment / EP1
PFPeS< 0.004 µg/L0.004 µg/L2023-11-14Well 14 Treatment / EP1
PFTA< 0.008 µg/L0.008 µg/L2023-11-14Well 17 Treatment / EP1
PFTrDA< 0.007 µg/L0.007 µg/L2023-11-14Well 14 Treatment / EP1
PFUnA< 0.002 µg/L0.002 µg/L2023-11-14Well 14 Treatment / EP1
lithium< 9 µg/L9 µg/L2023-11-14Well 14 Treatment / EP1

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 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 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 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.003 mg/L2005-01-01 – 2005-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
RADIUM-226< 0.410000000 PCI/L2026-03-03WELL 15 / California DDW laboratory results
RADIUM-2280.822 PCI/L2026-03-03WELL 17 - ACTIVE RAW / California DDW laboratory results
COMBINED RADIUM (-226 & -228)< 0.410000000 PCI/L2026-03-03WELL 15 / California DDW laboratory results
RADIUM-2280.363 PCI/L2026-03-03WELL 14 / California DDW laboratory results
COMBINED RADIUM (-226 & -228)0.84 PCI/L2026-03-03WELL 17 - ACTIVE RAW / California DDW laboratory results
RADIUM-226< 0.410000000 PCI/L2026-03-03WELL 17 - ACTIVE RAW / California DDW laboratory results
RADIUM-2280.066 PCI/L2026-03-03WELL 15 / California DDW laboratory results
COMBINED RADIUM (-226 & -228)0.491 PCI/L2026-03-03WELL 14 / California DDW laboratory results
RADIUM-226< 0.410000000 PCI/L2026-03-03WELL 14 / California DDW laboratory results
1,2,3-TRICHLOROPROPANE0.15 UG/L2026-01-06WELL 14 / California DDW laboratory results
1,2,3-TRICHLOROPROPANE0.036 UG/L2026-01-06WELL 17 - ACTIVE 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

4 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 Revisions / LSL Inventory2024-10-17 – —UnaddressedYes2026Q3
Lead and Copper Rule Revisions / LSL Reporting2024-10-17 – —UnaddressedNo2026Q3
Nitrate Rule / Monitoring, Regular2019-01-01 – 2019-12-31ResolvedNo2026Q3
Miscellaneous Other Rules / Notification, Public1989-06-01 – 1989-06-30ArchivedNo2026Q3

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)

Caldera, Jennifer: 209-358-2367

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