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City of Milpitas

Published drinking-water records and contacts for City of Milpitas. System CA4310005. Review sources and dates; not a real-time water assessment.

System ID
CA4310005
State or territory
CA
Published population served
81773
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.

Read the provider’s annual water quality report

Report link listed: 2026-10-05. This is not the report’s sampling date.

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/L2025-06-24SFPUC Turnout / 4310005090
4:2 FTS< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
6:2 FTS< 0.005 µg/L0.005 µg/L2025-06-24SFPUC Turnout / 4310005090
8:2 FTS< 0.005 µg/L0.005 µg/L2025-06-24SCVWD Turnout / 4310005003
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-06-24SCVWD Turnout / 4310005003
ADONA< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
HFPO-DA< 0.005 µg/L0.005 µg/L2025-06-24SFPUC Turnout / 4310005090
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-06-24SCVWD Turnout / 4310005003
NFDHA< 0.02 µg/L0.02 µg/L2025-06-24SCVWD Turnout / 4310005003
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-06-24SCVWD Turnout / 4310005003
PFBA< 0.005 µg/L0.005 µg/L2025-06-24SFPUC Turnout / 4310005090
PFBS< 0.003 µg/L0.003 µg/L2025-06-24SCVWD Turnout / 4310005003
PFDA< 0.003 µg/L0.003 µg/L2025-06-24SCVWD Turnout / 4310005003
PFDoA< 0.003 µg/L0.003 µg/L2025-06-24SCVWD Turnout / 4310005003
PFEESA< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
PFHpA< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
PFHpS< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
PFHxA< 0.003 µg/L0.003 µg/L2025-06-24SCVWD Turnout / 4310005003
PFHxS< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
PFMBA< 0.003 µg/L0.003 µg/L2025-06-24SCVWD Turnout / 4310005003
PFMPA< 0.004 µg/L0.004 µg/L2025-06-24SFPUC Turnout / 4310005090
PFNA< 0.004 µg/L0.004 µg/L2025-06-24SFPUC Turnout / 4310005090
PFOA< 0.004 µg/L0.004 µg/L2025-06-24SCVWD Turnout / 4310005003
PFOS< 0.004 µg/L0.004 µg/L2025-06-24SCVWD Turnout / 4310005003
PFPeA< 0.003 µg/L0.003 µg/L2025-06-24SFPUC Turnout / 4310005090
PFPeS< 0.004 µg/L0.004 µg/L2025-06-24SFPUC Turnout / 4310005090
PFTA< 0.008 µg/L0.008 µg/L2025-06-24SCVWD Turnout / 4310005003
PFTrDA< 0.007 µg/L0.007 µg/L2025-06-24SFPUC Turnout / 4310005090
PFUnA< 0.002 µg/L0.002 µg/L2025-06-24SCVWD Turnout / 4310005003
lithium< 9 µg/L9 µg/L2025-06-24SFPUC Turnout / 4310005090

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) 0.0025 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0017 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0016 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.0018 mg/L2013-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0039 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.0026 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.019 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
DIBROMOACETIC ACID< 1.000000000 UG/L2026-05-13DBPR Sample / California DDW laboratory results
CHLOROFORM17 UG/L2026-05-13DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE2.0 UG/L2026-05-13DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE1.4 UG/L2026-05-13DBPR Sample / California DDW laboratory results
TTHM41 UG/L2026-05-13DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID21 UG/L2026-05-13DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID< 1.000000000 UG/L2026-05-13DBPR Sample / California DDW laboratory results
BROMOFORM< 0.500000000 UG/L2026-05-13DBPR Sample / California DDW laboratory results
MONOCHLOROACETIC ACID2.2 UG/L2026-05-13DBPR Sample / California DDW laboratory results
DICHLOROACETIC ACID29 UG/L2026-05-13DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID5.3 UG/L2026-05-13DBPR Sample / California DDW laboratory results
BROMOFORM1.3 UG/L2026-05-13DBPR Sample / 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

3 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
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2025-05-01 – 2025-05-31ArchivedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2023-02-01 – 2023-02-28ResolvedNo2026Q3
Surface Water Treatment Rule / Treatment Technique (SWTR and GWR)1995-03-01 – 1995-03-31ArchivedYes2026Q3

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)

Marshall, Elaine: 408-586-2603

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