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Crescenta Valley Cwd

Published drinking-water records and contacts for Crescenta Valley Cwd. System CA1910028. Review sources and dates; not a real-time water assessment.

System ID
CA1910028
State or territory
CA
Published population served
35841
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/L2023-11-14FMWD Intertie / 1910028020
4:2 FTS< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
6:2 FTS< 0.005 µg/L0.005 µg/L2023-11-14FMWD Intertie / 1910028020
8:2 FTS< 0.005 µg/L0.005 µg/L2023-11-14FMWD Intertie / 1910028020
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-11-14FMWD Intertie / 1910028020
ADONA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
HFPO-DA< 0.005 µg/L0.005 µg/L2023-11-14FMWD Intertie / 1910028020
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-11-14FMWD Intertie / 1910028020
NFDHA< 0.02 µg/L0.02 µg/L2023-11-14FMWD Intertie / 1910028020
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-11-14FMWD Intertie / 1910028020
PFBA< 0.005 µg/L0.005 µg/L2023-11-14FMWD Intertie / 1910028020
PFBS< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFDA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFDoA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFEESA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFHpA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFHpS< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFHxA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFHxS< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFMBA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFMPA< 0.004 µg/L0.004 µg/L2023-11-14FMWD Intertie / 1910028020
PFNA< 0.004 µg/L0.004 µg/L2023-11-14FMWD Intertie / 1910028020
PFOA< 0.004 µg/L0.004 µg/L2023-11-14FMWD Intertie / 1910028020
PFOS< 0.004 µg/L0.004 µg/L2023-11-14FMWD Intertie / 1910028020
PFPeA< 0.003 µg/L0.003 µg/L2023-11-14FMWD Intertie / 1910028020
PFPeS< 0.004 µg/L0.004 µg/L2023-11-14FMWD Intertie / 1910028020
PFTA< 0.008 µg/L0.008 µg/L2023-11-14FMWD Intertie / 1910028020
PFTrDA< 0.007 µg/L0.007 µg/L2023-11-14FMWD Intertie / 1910028020
PFUnA< 0.002 µg/L0.002 µg/L2023-11-14FMWD Intertie / 1910028020
lithium10.2 µg/L9 µg/L2023-11-22FMWD Intertie / 1910028020

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 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.002 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0.002 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.0024 mg/L2014-01-01 – 2014-12-312026Q3
Lead (PB90) 0.0021 mg/L2013-01-01 – 2013-12-312026Q3
Lead (PB90) 0.00356 mg/L2012-01-01 – 2012-12-312026Q3
Lead (PB90) 0.0045 mg/L2011-07-01 – 2011-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE3.2 MG/L2026-07-14OAK CREEK RESERVOIR - NITRATE BLEND / California DDW laboratory results
NITRATE8.9 MG/L2026-07-14GLENWOOD - COMBINED INFLUENT TO AERATIO / California DDW laboratory results
NITRATE3.7 MG/L2026-07-14ENCINAL RESERVOIR - NITRATE BLEND / California DDW laboratory results
TETRACHLOROETHYLENE< 0.500000000 UG/L2026-07-14ENCINAL RESERVOIR - NITRATE BLEND / California DDW laboratory results
NITRATE7.0 MG/L2026-07-07WELL 08 / California DDW laboratory results
TETRACHLOROETHYLENE< 0.500000000 UG/L2026-07-07ENCINAL RESERVOIR - NITRATE BLEND / California DDW laboratory results
NITRATE8.9 MG/L2026-07-07WELL 07 / California DDW laboratory results
NITRATE8.5 MG/L2026-07-07GLENWOOD - COMBINED INFLUENT TO AERATIO / California DDW laboratory results
NITRATE3.0 MG/L2026-07-07OAK CREEK RESERVOIR - NITRATE BLEND / California DDW laboratory results
NITRATE8.6 MG/L2026-07-07WELL 12 / California DDW laboratory results
NITRATE9.2 MG/L2026-07-07WELL 16 / California DDW laboratory results
NITRATE8.7 MG/L2026-07-07WELL 10 / 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)

Lee, James: 818-236-4114

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