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Vaughn Wc Inc

Published drinking-water records and contacts for Vaughn Wc Inc. System CA1510029. Review sources and dates; not a real-time water assessment.

System ID
CA1510029
State or territory
CA
Published population served
37189
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/L2025-08-08Clarisse #2 / 1510029805
4:2 FTS< 0.003 µg/L0.003 µg/L2025-08-08Clarisse #2 / 1510029805
6:2 FTS< 0.005 µg/L0.005 µg/L2025-08-08Hageman #2 Well / 1510029049
8:2 FTS< 0.005 µg/L0.005 µg/L2025-08-08Old Town Well (Well 1) / 1510029811
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-08-08Atakapa Well / 1510029817
ADONA< 0.003 µg/L0.003 µg/L2025-08-08Willow Pond Well / 1510029051
HFPO-DA< 0.005 µg/L0.005 µg/L2025-08-08Willow Pond Well / 1510029051
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-08-08Hageman #1 / 1510029815
NFDHA< 0.02 µg/L0.02 µg/L2025-08-08Torrey Well / 1510029804
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-08-08Torrey Well / 1510029804
PFBA< 0.005 µg/L0.005 µg/L2025-08-08Hageman #1 / 1510029815
PFBS< 0.003 µg/L0.003 µg/L2025-08-08Verdugo #2 Well / 1510029816
PFDA< 0.003 µg/L0.003 µg/L2025-08-08Hageman #2 Well / 1510029049
PFDoA< 0.003 µg/L0.003 µg/L2025-08-08Hageman #2 Well / 1510029049
PFEESA< 0.003 µg/L0.003 µg/L2025-08-08Winfield / 151002953
PFHpA< 0.003 µg/L0.003 µg/L2025-08-08Hageman #2 Well / 1510029049
PFHpS< 0.003 µg/L0.003 µg/L2025-08-08Willow Pond Well / 1510029051
PFHxA< 0.003 µg/L0.003 µg/L2025-08-08Nord Road Well / 1510029810
PFHxS< 0.003 µg/L0.003 µg/L2025-08-08Willow Pond Well / 1510029051
PFMBA< 0.003 µg/L0.003 µg/L2025-08-08Meacham #1 / 1510029814
PFMPA< 0.004 µg/L0.004 µg/L2025-08-08Nord Road Well / 1510029810
PFNA< 0.004 µg/L0.004 µg/L2025-08-08Meacham #1 / 1510029814
PFOA< 0.004 µg/L0.004 µg/L2025-08-08Clarisse #1 / 1510029801
PFOS< 0.004 µg/L0.004 µg/L2025-08-08Meacham #1 / 1510029814
PFPeA< 0.003 µg/L0.003 µg/L2025-08-08Winfield / 151002953
PFPeS< 0.004 µg/L0.004 µg/L2025-08-08Torrey Well / 1510029804
PFTA< 0.008 µg/L0.008 µg/L2025-08-08Hageman #2 Well / 1510029049
PFTrDA< 0.007 µg/L0.007 µg/L2025-08-08Winfield / 151002953
PFUnA< 0.002 µg/L0.002 µg/L2025-08-08Old Town Well (Well 1) / 1510029811
lithium< 9 µg/L9 µg/L2025-08-08Winfield / 151002953

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) 0.0035 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0016 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.0057 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0072 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.0014 mg/L2002-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE< 0.230000000 MG/L2026-07-13WILLOW POND WELL- AFTER_CAC-H2S / California DDW laboratory results
NITRATE< 0.230000000 MG/L2026-07-13ATAKAPA WELL-AFT_GAC-TCP_OZONE-H2S_CCTRL / California DDW laboratory results
NITRATE2.8 MG/L2026-07-13CLARISSE WELL 1-AFT_GAC-TCP / California DDW laboratory results
NITRATE< 0.230000000 MG/L2026-07-09WINFIELD WELL-AFTER_OZONE-H2S / California DDW laboratory results
NITRATE5.0 MG/L2026-07-09TORREY WELL - AFT_GAC-TCP&CORRCTRL / California DDW laboratory results
NITRATE< 0.230000000 MG/L2026-07-09HAGEMAN 01 - AFT_GAC-TCP_OZONE-H2S / California DDW laboratory results
NITRATE1.2 MG/L2026-07-09MEACHAM 01 - AFTER_GAC-TCP / California DDW laboratory results
1,2,3-TRICHLOROPROPANE0.00090 UG/L2026-07-06NORD ROAD WELL - AFTER_GAC-TCP / California DDW laboratory results
1,2,3-TRICHLOROPROPANE0.0011 UG/L2026-07-06CLARISSE WELL 2-AFT_GAC-TCP / California DDW laboratory results
1,2,3-TRICHLOROPROPANE< 0.000700000 UG/L2026-07-06HEATH WELL 1 - AFT_GAC-TCP / California DDW laboratory results
NITRATE3.5 MG/L2026-07-01NORD ROAD WELL - AFTER_GAC-TCP / California DDW laboratory results
NITRATE< 0.230000000 MG/L2026-07-01VERDUGO WELL 02 - AFTER_OZONE-H2S / 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

2 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
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2017-07-01 – 2017-07-31ResolvedNo2026Q3
Nitrate Rule / Monitoring, Regular2017-01-01 – 2017-12-31ResolvedNo2026Q3

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)

Grayer, Van: 661-589-2931

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