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Delhi Cwd

Published drinking-water records and contacts for Delhi Cwd. System CA2410006. Review sources and dates; not a real-time water assessment.

System ID
CA2410006
State or territory
CA
Published population served
7784
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/L2025-11-18Well 5 Treated / EP012
4:2 FTS< 0.003 µg/L0.003 µg/L2025-11-18Well 10 Treated / EP017
6:2 FTS< 0.005 µg/L0.005 µg/L2025-11-18Well 6a Treated / EP019
8:2 FTS< 0.005 µg/L0.005 µg/L2025-11-18Well 10 Treated / EP017
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-11-18Well 6a Treated / EP019
ADONA< 0.003 µg/L0.003 µg/L2025-11-18Well 10 Treated / EP017
HFPO-DA< 0.005 µg/L0.005 µg/L2025-11-18Well 6a Treated / EP019
NEtFOSAA< 0.005 µg/L0.005 µg/L2026-01-06Well 6a Treated / EP019
NFDHA< 0.02 µg/L0.02 µg/L2025-11-18Well 10 Treated / EP017
NMeFOSAA< 0.006 µg/L0.006 µg/L2026-01-06Well 6a Treated / EP019
PFBA< 0.005 µg/L0.005 µg/L2025-11-18Well 7 Treated / EP010
PFBS< 0.003 µg/L0.003 µg/L2025-11-18Well 10 Treated / EP017
PFDA< 0.003 µg/L0.003 µg/L2025-11-18Well 6a Treated / EP019
PFDoA< 0.003 µg/L0.003 µg/L2025-11-18Well 7 Treated / EP010
PFEESA< 0.003 µg/L0.003 µg/L2025-11-18Well 6a Treated / EP019
PFHpA< 0.003 µg/L0.003 µg/L2025-11-18Well 7 Treated / EP010
PFHpS< 0.003 µg/L0.003 µg/L2025-11-18Well 5 Treated / EP012
PFHxA< 0.003 µg/L0.003 µg/L2025-11-18Well 5 Treated / EP012
PFHxS< 0.003 µg/L0.003 µg/L2025-11-18Well 7 Treated / EP010
PFMBA< 0.003 µg/L0.003 µg/L2025-11-18Well 6a Treated / EP019
PFMPA< 0.004 µg/L0.004 µg/L2025-11-18Well 7 Treated / EP010
PFNA< 0.004 µg/L0.004 µg/L2025-11-18Well 6a Treated / EP019
PFOA< 0.004 µg/L0.004 µg/L2025-11-18Well 7 Treated / EP010
PFOS< 0.004 µg/L0.004 µg/L2025-11-18Well 5 Treated / EP012
PFPeA< 0.003 µg/L0.003 µg/L2025-11-18Well 6a Treated / EP019
PFPeS< 0.004 µg/L0.004 µg/L2025-11-18Well 10 Treated / EP017
PFTA< 0.008 µg/L0.008 µg/L2026-01-06Well 6a Treated / EP019
PFTrDA< 0.007 µg/L0.007 µg/L2026-01-06Well 6a Treated / EP019
PFUnA< 0.002 µg/L0.002 µg/L2025-11-18Well 7 Treated / EP010
lithium< 9 µg/L9 µg/L2025-11-18Well 7 Treated / EP010

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 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.002 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.004 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PERFLUOROHEXANOIC ACID (PFHXA)< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUOROHEPTANOIC ACID (PFHPA)< 2.000000000 NG/L2026-06-25WELL 6A - RAW / California DDW laboratory results
NONAFLUORO NFDHA< 2.000000000 NG/L2026-06-25WELL 6A - RAW / California DDW laboratory results
PERFLUOROPENTANOIC ACID (PFPEA)< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
HFPO-DA< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUOROCTANE SULFONIC ACID (PFOS)< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5.000000000 NG/L2026-06-25WELL 6A - RAW / California DDW laboratory results
PERFLUOROPENTANOIC ACID (PFPEA)< 2.000000000 NG/L2026-06-25WELL 6A - RAW / California DDW laboratory results
PERFLUORO PFMPA< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUOROBUTANE SULFONIC ACID (PFBS)< 2.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5.000000000 NG/L2026-06-25WELL 10 -RAW / California DDW laboratory results
PERFLUOROBUTANOIC ACID (PFBA)< 2.000000000 NG/L2026-06-25WELL 10 -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

4 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 Revisions / Notification, Known or Potential LSL2025-07-02 – —UnaddressedNo2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1984-05-01 – 1984-05-31ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1984-04-01 – 1984-04-30ArchivedYes2026Q3
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample1983-08-01 – 1983-08-31ArchivedYes2026Q3

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)

Maldonado, Leandro: 209-585-3003

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