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Suburban Water Systems-San Jose

Published drinking-water records and contacts for Suburban Water Systems-San Jose. System CA1910205. Review sources and dates; not a real-time water assessment.

System ID
CA1910205
State or territory
CA
Published population served
168843
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/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
4:2 FTS< 0.003 µg/L0.003 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
6:2 FTS< 0.005 µg/L0.005 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
8:2 FTS< 0.005 µg/L0.005 µg/L2025-04-10Plant 121 / 1910205107
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-04-10Plant 118 (Covina Irrigating Intertie) / 1910205808
ADONA< 0.003 µg/L0.003 µg/L2025-04-10Plant 121 / 1910205107
HFPO-DA< 0.005 µg/L0.005 µg/L2025-04-10Plant 121 / 1910205107
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
NFDHA< 0.02 µg/L0.02 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFBA< 0.005 µg/L0.005 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFBS< 0.003 µg/L0.003 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFDA< 0.003 µg/L0.003 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFDoA< 0.003 µg/L0.003 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
PFEESA< 0.003 µg/L0.003 µg/L2025-04-10Plant 118 (Covina Irrigating Intertie) / 1910205808
PFHpA< 0.003 µg/L0.003 µg/L2025-04-10Plant 121 / 1910205107
PFHpS< 0.003 µg/L0.003 µg/L2025-04-10Plant 121 / 1910205107
PFHxA< 0.003 µg/L0.003 µg/L2025-04-10Plant 121 / 1910205107
PFHxS< 0.003 µg/L0.003 µg/L2025-04-10Plant 118 (Covina Irrigating Intertie) / 1910205808
PFMBA< 0.003 µg/L0.003 µg/L2025-04-10Plant 121 / 1910205107
PFMPA< 0.004 µg/L0.004 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
PFNA< 0.004 µg/L0.004 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
PFOA< 0.004 µg/L0.004 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
PFOS< 0.004 µg/L0.004 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFPeA< 0.003 µg/L0.003 µg/L2025-04-10Plant 501 (MWD Intertie) / 1910205809
PFPeS< 0.004 µg/L0.004 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFTA< 0.008 µg/L0.008 µg/L2025-04-10Plant 118 (Covina Irrigating Intertie) / 1910205808
PFTrDA< 0.007 µg/L0.007 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
PFUnA< 0.002 µg/L0.002 µg/L2025-04-10WVWD Intertie (Amar & Grand) / 1910205815
lithium< 9 µg/L9 µg/L2025-04-10Plant 121 / 1910205107

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) 0.009 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.001 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.002 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.002 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE4.4 MG/L2026-07-06PLANT 142 WELL 02 / California DDW laboratory results
NITRATE7.2 MG/L2026-07-06LPVCWD CONNECTION -PLANT 128 / California DDW laboratory results
NAPHTHALENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
TRICHLOROETHYLENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
O-DICHLOROBENZENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
DICHLOROMETHANE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
2-HEXANONE< 5.000000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
HEXACHLOROBUTADIENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
O-CHLOROTOLUENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
BENZENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
TOLUENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / California DDW laboratory results
CIS-1,3-DICHLOROPROPENE< 0.500000000 UG/L2026-06-29BLENDING RESERVOIR 121-R1 & R2 / 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
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2022-04-01 – 2022-04-30ResolvedNo2026Q3

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)

De Ghetto, Michael: 626-430-4275

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