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PublicWater Watch

City of Madera

Published drinking-water records and contacts for City of Madera. System CA2010002. Review sources and dates; not a real-time water assessment.

System ID
CA2010002
State or territory
CA
Published population served
66560
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/L2025-09-11Well 23 / 2010002813
4:2 FTS< 0.003 µg/L0.003 µg/L2025-09-11Well 32 / 2010002817
6:2 FTS< 0.005 µg/L0.005 µg/L2025-09-11Well 33 / 1910245801
8:2 FTS< 0.005 µg/L0.005 µg/L2025-09-11Well 28 / 2010002816
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-09-11Well 32 / 2010002817
ADONA< 0.003 µg/L0.003 µg/L2025-09-11Well 31 / 2010002802
HFPO-DA< 0.005 µg/L0.005 µg/L2025-09-11Well 26 / 2010002001
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-09-11Well 28 / 2010002816
NFDHA< 0.02 µg/L0.02 µg/L2025-09-11Well 32 / 2010002817
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-09-11Well 26 / 2010002001
PFBA< 0.005 µg/L0.005 µg/L2025-09-11Well 29 / 2010002804
PFBS< 0.003 µg/L0.003 µg/L2025-09-11Well 26 / 2010002001
PFDA< 0.003 µg/L0.003 µg/L2025-09-11Well 31 / 2010002802
PFDoA< 0.003 µg/L0.003 µg/L2025-09-11Well 23 / 2010002813
PFEESA< 0.003 µg/L0.003 µg/L2025-09-11Well 28 / 2010002816
PFHpA< 0.003 µg/L0.003 µg/L2025-09-11Well 32 / 2010002817
PFHpS< 0.003 µg/L0.003 µg/L2025-09-11Well 32 / 2010002817
PFHxA< 0.003 µg/L0.003 µg/L2025-09-11Well 38 / 2010002050
PFHxS< 0.003 µg/L0.003 µg/L2025-09-11Well 31 / 2010002802
PFMBA< 0.003 µg/L0.003 µg/L2025-09-11Well 32 / 2010002817
PFMPA< 0.004 µg/L0.004 µg/L2025-09-11Well 28 / 2010002816
PFNA< 0.004 µg/L0.004 µg/L2025-09-11Well 33 / 1910245801
PFOA< 0.004 µg/L0.004 µg/L2025-09-11Well 26 / 2010002001
PFOS< 0.004 µg/L0.004 µg/L2025-09-11Well 31 / 2010002802
PFPeA< 0.003 µg/L0.003 µg/L2025-09-11Well 26 / 2010002001
PFPeS< 0.004 µg/L0.004 µg/L2025-09-11Well 38 / 2010002050
PFTA< 0.008 µg/L0.008 µg/L2025-09-11Well 23 / 2010002813
PFTrDA< 0.007 µg/L0.007 µg/L2025-09-11Well 28 / 2010002816
PFUnA< 0.002 µg/L0.002 µg/L2025-09-11Well 23 / 2010002813
lithium< 9 µg/L9 µg/L2025-09-11Well 23 / 2010002813

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) 0.003 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0023 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) 0.005 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
TETRACHLOROETHYLENE0.82 UG/L2026-05-28WELL 15 - RAW / California DDW laboratory results
TRICHLOROFLUOROMETHANE< 5.000000000 UG/L2026-05-28WELL 30 - RAW / California DDW laboratory results
CHLORIDE14.6 MG/L2026-05-28WELL 24 - RAW / California DDW laboratory results
CONDUCTIVITY @ 25 C UMHOS/CM294 UMHO/CM2026-05-28WELL 30 - RAW / California DDW laboratory results
METHYL TERT-BUTYL ETHER< 0.500000000 UG/L2026-05-28WELL 22 - RAW / California DDW laboratory results
MANGANESE< 20.000000000 UG/L2026-05-28WELL 24 - RAW / California DDW laboratory results
BENZENE< 0.500000000 UG/L2026-05-28WELL 17 - RAW / California DDW laboratory results
VINYL CHLORIDE< 0.500000000 UG/L2026-05-28WELL 30 - RAW / California DDW laboratory results
1,1-DICHLOROETHYLENE< 0.500000000 UG/L2026-05-28WELL 25 - RAW / California DDW laboratory results
METOLACHLOR< 0.500000000 UG/L2026-05-28WELL 22 - RAW / California DDW laboratory results
TURBIDITY< 0.100000000 NTU2026-05-28WELL 24 - RAW / California DDW laboratory results
FOAMING AGENTS (SURFACTANTS)< 0.050000000 MG/L2026-05-28WELL 15 - 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

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
Ground Water Rule / Monitoring, Source Water (GWR)2017-07-06 – —ResolvedNo2026Q3

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)

Botwright, John: 559-661-5466

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