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Palmdale Water Dist.

Published drinking-water records and contacts for Palmdale Water Dist.. System CA1910102. Review sources and dates; not a real-time water assessment.

System ID
CA1910102
State or territory
CA
Published population served
126804
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/L2025-03-06Filter Plant / 1910102802
4:2 FTS< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
6:2 FTS< 0.005 µg/L0.005 µg/L2025-03-06Filter Plant / 1910102802
8:2 FTS< 0.005 µg/L0.005 µg/L2025-03-06Filter Plant / 1910102802
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-03-06Filter Plant / 1910102802
ADONA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
HFPO-DA< 0.005 µg/L0.005 µg/L2025-03-06Filter Plant / 1910102802
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-03-06Filter Plant / 1910102802
NFDHA< 0.02 µg/L0.02 µg/L2025-03-06Filter Plant / 1910102802
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-03-06Filter Plant / 1910102802
PFBA< 0.005 µg/L0.005 µg/L2025-03-06Filter Plant / 1910102802
PFBS< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFDA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFDoA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFEESA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFHpA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFHpS< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFHxA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFHxS< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFMBA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFMPA< 0.004 µg/L0.004 µg/L2025-03-06Filter Plant / 1910102802
PFNA< 0.004 µg/L0.004 µg/L2025-03-06Filter Plant / 1910102802
PFOA< 0.004 µg/L0.004 µg/L2025-03-06Filter Plant / 1910102802
PFOS< 0.004 µg/L0.004 µg/L2025-03-06Filter Plant / 1910102802
PFPeA< 0.003 µg/L0.003 µg/L2025-03-06Filter Plant / 1910102802
PFPeS< 0.004 µg/L0.004 µg/L2025-03-06Filter Plant / 1910102802
PFTA< 0.008 µg/L0.008 µg/L2025-03-06Filter Plant / 1910102802
PFTrDA< 0.007 µg/L0.007 µg/L2025-03-06Filter Plant / 1910102802
PFUnA< 0.002 µg/L0.002 µg/L2025-03-06Filter Plant / 1910102802
lithium< 9 µg/L9 µg/L2025-03-06Filter Plant / 1910102802

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) 0.0017 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0014 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.0009 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0.0019 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.004 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.001 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ZINC22 UG/L2026-07-02FILTER PLANT - EFFLUENT / California DDW laboratory results
IRON< 10.000000000 UG/L2026-07-02FILTER PLANT - EFFLUENT / California DDW laboratory results
ALUMINUM< 20.000000000 UG/L2026-07-02FILTER PLANT - EFFLUENT / California DDW laboratory results
MANGANESE< 2.000000000 UG/L2026-07-02FILTER PLANT - EFFLUENT / California DDW laboratory results
ORTHOPHOSPHATE0.15 MG/L2026-07-02FILTER PLANT - EFFLUENT / California DDW laboratory results
PERFLUOROHEXANE SULFONIC ACID (PFHxS)< 2.000000000 NG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
PERFLUOROPENTANESULFONIC ACID (PFPES)< 2.000000000 NG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
OXAMYL< 0.500000000 UG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
AROCLOR 1254< 0.100000000 UG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
ETHYLENE DIBROMIDE< 0.009800000 UG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
HEXACHLOROBENZENE< 0.049000000 UG/L2026-06-15LITTLEROCK DAM - RAW / California DDW laboratory results
DIQUAT< 0.390000000 UG/L2026-06-15LITTLEROCK DAM - RAW / 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
Miscellaneous Other Rules / Notification, Public1988-09-01 – 1988-09-30ArchivedNo2026Q3

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)

Lamoreaux, Dennis: 661-947-4111

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