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PublicWater Watch

Cal Am - Suburban Rosemont

Published drinking-water records and contacts for Cal Am - Suburban Rosemont. System CA3410010. Review sources and dates; not a real-time water assessment.

System ID
CA3410010
State or territory
CA
Published population served
54793
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/L2024-11-12College Greens Well / 3410010831
4:2 FTS< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
6:2 FTS< 0.005 µg/L0.005 µg/L2024-11-12College Greens Well / 3410010831
8:2 FTS< 0.005 µg/L0.005 µg/L2024-11-12College Greens Well / 3410010831
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-11-12College Greens Well / 3410010831
ADONA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
HFPO-DA< 0.005 µg/L0.005 µg/L2024-11-12College Greens Well / 3410010831
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-11-12College Greens Well / 3410010831
NFDHA< 0.02 µg/L0.02 µg/L2024-11-12College Greens Well / 3410010831
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-11-12College Greens Well / 3410010831
PFBA< 0.005 µg/L0.005 µg/L2024-11-12College Greens Well / 3410010831
PFBS< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFDA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFDoA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFEESA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFHpA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFHpS< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFHxA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFHxS0.0033 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFMBA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFMPA< 0.004 µg/L0.004 µg/L2024-11-12College Greens Well / 3410010831
PFNA< 0.004 µg/L0.004 µg/L2024-11-12College Greens Well / 3410010831
PFOA< 0.004 µg/L0.004 µg/L2024-11-12College Greens Well / 3410010831
PFOS< 0.004 µg/L0.004 µg/L2024-11-12College Greens Well / 3410010831
PFPeA< 0.003 µg/L0.003 µg/L2024-11-12College Greens Well / 3410010831
PFPeS< 0.004 µg/L0.004 µg/L2024-11-12College Greens Well / 3410010831
PFTA< 0.008 µg/L0.008 µg/L2024-11-12College Greens Well / 3410010831
PFTrDA< 0.007 µg/L0.007 µg/L2024-11-12College Greens Well / 3410010831
PFUnA< 0.002 µg/L0.002 µg/L2024-11-12College Greens Well / 3410010831
lithium< 9 µg/L9 µg/L2024-11-12College Greens Well / 3410010831

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) 0.002 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.001 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.001 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.0051 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.004 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.002 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.004 mg/L2005-01-01 – 2007-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
CHROMIUM, HEX5.0 UG/L2026-07-08WESTPORTER WELL / California DDW laboratory results
MANGANESE135 UG/L2026-06-30JACKSON HIGHWAY WELL 001- RAW / California DDW laboratory results
ARSENIC< 2.000000000 UG/L2026-06-30ROSE PARADE WATER TREATMENT PLANT / California DDW laboratory results
NITRATE6.0 MG/L2026-06-30WESTPORTER WELL / California DDW laboratory results
IRON< 100.000000000 UG/L2026-06-30ROSE PARADE WATER TREATMENT PLANT / California DDW laboratory results
MANGANESE< 10.000000000 UG/L2026-06-30ROSE PARADE WATER TREATMENT PLANT / California DDW laboratory results
ARSENIC< 2.000000000 UG/L2026-06-30JACKSON HIGHWAY WELL 001- RAW / California DDW laboratory results
IRON< 100.000000000 UG/L2026-06-30JACKSON HIGHWAY WELL 001- RAW / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-06-30WESTPORTER WELL / California DDW laboratory results
ADONA< 2.000000000 NG/L2026-06-25WESTPORTER WELL / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5.000000000 NG/L2026-06-25WESTPORTER WELL / California DDW laboratory results
NONAFLUORO NFDHA< 2.000000000 NG/L2026-06-25WESTPORTER WELL / 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)

Foster, Audie: 916-568-4259

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