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Glendora-City, Water Dept.

Published drinking-water records and contacts for Glendora-City, Water Dept.. System CA1910044. Review sources and dates; not a real-time water assessment.

System ID
CA1910044
State or territory
CA
Published population served
49934
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/L2025-03-14MWD Intertie (PM-23) / 1910044811
4:2 FTS< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
6:2 FTS< 0.005 µg/L0.005 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
8:2 FTS< 0.005 µg/L0.005 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
ADONA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
HFPO-DA< 0.005 µg/L0.005 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
NFDHA< 0.02 µg/L0.02 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFBA< 0.005 µg/L0.005 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFBS< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFDA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFDoA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFEESA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFHpA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFHpS< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFHxA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFHxS< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFMBA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFMPA< 0.004 µg/L0.004 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFNA< 0.004 µg/L0.004 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFOA< 0.004 µg/L0.004 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFOS< 0.004 µg/L0.004 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFPeA< 0.003 µg/L0.003 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFPeS< 0.004 µg/L0.004 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFTA< 0.008 µg/L0.008 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFTrDA< 0.007 µg/L0.007 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
PFUnA< 0.002 µg/L0.002 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811
lithium< 9 µg/L9 µg/L2025-03-14MWD Intertie (PM-23) / 1910044811

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) 0.0035 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.006 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) 0.011 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.006 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.0086 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE1.7 MG/L2026-07-14GODDARD RESERVOIR NITRATE BLENDING / California DDW laboratory results
NITRATE1.1 MG/L2026-07-14SIERRA MADRE RESERVOIR NITRATE BLENDING / California DDW laboratory results
ODOR1 TON2026-07-07WELL 02 / California DDW laboratory results
COLOR< 3.000000000 UNITS2026-07-07WELL 02 / California DDW laboratory results
NITRATE0.71 MG/L2026-07-07WELL 02 / California DDW laboratory results
NITRATE6.9 MG/L2026-07-07WELL 11 / California DDW laboratory results
ALKALINITY, CARBONATE< 5.000000000 MG/L2026-07-07WELL 02 / California DDW laboratory results
MAGNESIUM11 MG/L2026-07-07WELL 02 / California DDW laboratory results
IRON< 100.000000000 UG/L2026-07-07WELL 02 / California DDW laboratory results
SULFATE30 MG/L2026-07-07WELL 02 / California DDW laboratory results
BORON, TOTAL110 UG/L2026-07-07WELL 02 / California DDW laboratory results
SODIUM36 MG/L2026-07-07WELL 02 / 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
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2021-10-01 – —ResolvedNo2026Q3

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)

Zampiello, Paul: 626-852-4838

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