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El Monte-City, Water Dept.

Published drinking-water records and contacts for El Monte-City, Water Dept.. System CA1910038. Review sources and dates; not a real-time water assessment.

System ID
CA1910038
State or territory
CA
Published population served
22968
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/L2024-08-05Wells 14, 15, and 16 / 1910038821
4:2 FTS< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
6:2 FTS< 0.005 µg/L0.005 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
8:2 FTS< 0.005 µg/L0.005 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
ADONA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
HFPO-DA< 0.005 µg/L0.005 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-03-28Well 10 / 1910038813
NFDHA< 0.02 µg/L0.02 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-03-28Well 10 / 1910038813
PFBA< 0.005 µg/L0.005 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFBS< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFDA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFDoA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFEESA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFHpA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFHpS< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFHxA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFHxS< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFMBA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFMPA< 0.004 µg/L0.004 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFNA< 0.004 µg/L0.004 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFOA< 0.004 µg/L0.004 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFOS< 0.004 µg/L0.004 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFPeA< 0.003 µg/L0.003 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFPeS< 0.004 µg/L0.004 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
PFTA< 0.008 µg/L0.008 µg/L2024-03-28Well 10 / 1910038813
PFTrDA< 0.007 µg/L0.007 µg/L2024-03-28Well 10 / 1910038813
PFUnA< 0.002 µg/L0.002 µg/L2024-08-05Wells 14, 15, and 16 / 1910038821
lithium< 9 µg/L9 µg/L2024-03-28Well 10 / 1910038813

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/L2024-01-01 – 2026-12-312026Q3
Lead (PB90) 0.0039 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00625 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) 0.008 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2006-07-01 – 2006-12-312026Q3
Lead (PB90) 0.005 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
P-CHLOROTOLUENE< 0.500000000 UG/L2026-06-23AGWTP EFFLUENT / California DDW laboratory results
NAPHTHALENE< 1.000000000 UG/L2026-06-23AGWTP EFFLUENT / California DDW laboratory results
DIBROMOMETHANE< 0.500000000 UG/L2026-06-23AGWTP LEAD VESSEL EFFLUENT / California DDW laboratory results
CHLOROMETHANE< 0.500000000 UG/L2026-06-23AGWTP INFLUENT / California DDW laboratory results
TETRACHLOROETHYLENE11 UG/L2026-06-23AGWTP INFLUENT / California DDW laboratory results
1,2-DICHLOROETHANE< 0.500000000 UG/L2026-06-23AGWTP LEAD VESSEL 25% PORT / California DDW laboratory results
CHLOROFORM< 0.500000000 UG/L2026-06-23AGWTP EFFLUENT / California DDW laboratory results
CIS-1,2-DICHLOROETHYLENE< 0.500000000 UG/L2026-06-23AGWTP INFLUENT / California DDW laboratory results
CIS-1,2-DICHLOROETHYLENE< 0.500000000 UG/L2026-06-23AGWTP LEAD VESSEL EFFLUENT / California DDW laboratory results
CHLOROETHANE< 0.500000000 UG/L2026-06-23AGWTP INFLUENT / California DDW laboratory results
P-DICHLOROBENZENE< 0.500000000 UG/L2026-06-23AGWTP INFLUENT / California DDW laboratory results
1,3-DICHLOROPROPANE< 0.500000000 UG/L2026-06-23AGWTP LEAD VESSEL 25% PORT / 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)

Nguyen, Don: 626-258-8603

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