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San Bernardino City

Published drinking-water records and contacts for San Bernardino City. System CA3610039. Review sources and dates; not a real-time water assessment.

System ID
CA3610039
State or territory
CA
Published population served
214665
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/L2024-10-17Medical Center - Baseline Ave. (Zone 1) / EP19
4:2 FTS< 0.003 µg/L0.003 µg/L2024-10-176150 Devil Canyon Road (Zone 17) / EP6
6:2 FTS< 0.005 µg/L0.005 µg/L2024-10-17Medical Center - Baseline Ave. (Zone 1) / EP19
8:2 FTS< 0.005 µg/L0.005 µg/L2024-10-17Lakewood - Wildpony Path (Zone 12) / EP3
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-10-17Y St. - W St. (19-1) / EP28
ADONA< 0.003 µg/L0.003 µg/L2024-10-17Y St. - W St. (19-1) / EP28
HFPO-DA< 0.005 µg/L0.005 µg/L2024-10-176150 Devil Canyon Road (Zone 17) / EP6
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-10-17Lakewood - Wildpony Path (Zone 12) / EP3
NFDHA< 0.02 µg/L0.02 µg/L2024-10-17Kendall - Little League Dr. (Zone 13) / EP2
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-10-17Medical Center - Baseline Ave. (Zone 1) / EP19
PFBA< 0.005 µg/L0.005 µg/L2024-10-17Lakewood - Wildpony Path (Zone 12) / EP3
PFBS< 0.003 µg/L0.003 µg/L2024-10-17Kendall - Little League Dr. (Zone 13) / EP2
PFDA< 0.003 µg/L0.003 µg/L2024-10-17Kendall - Little League Dr. (Zone 13) / EP2
PFDoA< 0.003 µg/L0.003 µg/L2024-10-1742nd St. - Little Mountain (Zone 11) / EP4
PFEESA< 0.003 µg/L0.003 µg/L2024-10-17Kendall - Little League Dr. (Zone 13) / EP2
PFHpA< 0.003 µg/L0.003 µg/L2024-10-17Cajon Blvd. - Bennett Rd (Zone 14) / EP1
PFHpS< 0.003 µg/L0.003 µg/L2024-10-17Lakewood - Wildpony Path (Zone 12) / EP3
PFHxA0.0034 µg/L0.003 µg/L2024-10-17Lakewood - Wildpony Path (Zone 12) / EP3
PFHxS0.0038 µg/L0.003 µg/L2024-10-17Valencia -Maywood (Zone 7) / EP9
PFMBA< 0.003 µg/L0.003 µg/L2024-10-17Sierra Way - 9th St. / EP27
PFMPA< 0.004 µg/L0.004 µg/L2024-10-1717th - Davidson (Zone 5) / EP22
PFNA< 0.004 µg/L0.004 µg/L2024-10-1717th - Davidson (Zone 5) / EP22
PFOA< 0.004 µg/L0.004 µg/L2024-10-17Sierra Way - 9th St. / EP27
PFOS< 0.004 µg/L0.004 µg/L2024-10-1742nd St. - Little Mountain (Zone 11) / EP4
PFPeA< 0.003 µg/L0.003 µg/L2024-10-17Medical Center - Baseline Ave. (Zone 1) / EP19
PFPeS< 0.004 µg/L0.004 µg/L2024-10-1742nd St. - Little Mountain (Zone 11) / EP4
PFTA< 0.008 µg/L0.008 µg/L2024-10-17California & Porter (Zone 5) / EP18
PFTrDA< 0.007 µg/L0.007 µg/L2024-10-1717th - Davidson (Zone 5) / EP22
PFUnA< 0.002 µg/L0.002 µg/L2024-10-17California & Porter (Zone 5) / EP18
lithium< 9 µg/L9 µg/L2024-10-17California & Porter (Zone 5) / EP18

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/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.005 mg/L2006-01-01 – 2006-12-312026Q3
Lead (PB90) 0 mg/L2004-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
TETRACHLOROETHYLENE< 0.500000000 UG/L2026-06-2419TH ST NORTH GAC - COMBINED EFF / California DDW laboratory results
NITRATE4.4 MG/L2026-06-24NEWMARK GAC INFLUENT / California DDW laboratory results
TETRACHLOROETHYLENE< 0.500000000 UG/L2026-06-24NEWMARK GAC EFFLUENT / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-2427 TH AND ACACIA STREET / California DDW laboratory results
NITRATE4.7 MG/L2026-06-2419TH ST SOUTH GAC - CONBINED INF / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-24WATERMAN GAC EFFLUENT / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-24NEWMARK GAC EFFLUENT / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-2427TH & ACACIA WELL NO3 BLEND SAMPLE PT. / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-2419TH ST SOUTH GAC - COMBINED EFF / California DDW laboratory results
TETRACHLOROETHYLENE< 0.500000000 UG/L2026-06-24WATERMAN GAC EFFLUENT / California DDW laboratory results
NITRATE3.2 MG/L2026-06-24WATERMAN GAC EFFLUENT / California DDW laboratory results
METHYL TERT-BUTYL ETHER< 3.000000000 UG/L2026-06-2427 TH AND ACACIA STREET / 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

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

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)

Guerrero, Miguel: 909-384-5091

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