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Hunter Valley Csd

Published drinking-water records and contacts for Hunter Valley Csd. System CA0800557. Review sources and dates; not a real-time water assessment.

System ID
CA0800557
State or territory
CA
Published population served
174
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

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) 0.0018 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.00105 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.0014 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.0053 mg/L2007-01-01 – 2007-12-312026Q3
Lead (PB90) 0 mg/L2004-07-01 – 2004-12-312026Q3
Lead (PB90) 0.0031 mg/L1999-01-01 – 2001-12-312026Q3
Copper (CU90) 1.9 mg/L2000-01-01 – 2000-12-312026Q3
Lead (PB90) 0 mg/L2000-07-01 – 2000-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PERCHLORATE< 0.200000000 UG/L2026-05-01WELL 01 / California DDW laboratory results
ODOR< 1.000000000 TON2026-05-01WELL 01 / California DDW laboratory results
NITRATE0.34 MG/L2026-04-13WELL 01 / California DDW laboratory results
FOAMING AGENTS (SURFACTANTS)< 0.050000000 MG/L2026-04-13WELL 01 / California DDW laboratory results
NITRITE< 0.100000000 MG/L2026-04-13WELL 01 / California DDW laboratory results
SULFATE2.30 MG/L2026-04-13WELL 01 / California DDW laboratory results
COLOR4.00 UNITS2026-04-13WELL 01 / California DDW laboratory results
CHLORIDE2.70 MG/L2026-04-13WELL 01 / California DDW laboratory results
GROSS ALPHA PARTICLE ACTIVITY< 0.960000000 PCI/L2026-04-13WELL 01 / California DDW laboratory results
TDS33.00 MG/L2026-04-13WELL 01 / 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

6 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 / LSL Reporting2024-10-17 – —UnaddressedNo2026Q3
Lead and Copper Rule Revisions / LSL Inventory2024-10-17 – —UnaddressedYes2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2023-10-01 – —ResolvedNo2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2020-10-01 – —ResolvedNo2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular1981-10-01 – 1982-09-30ArchivedNo2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular1980-10-30 – 1981-10-29ArchivedNo2026Q3

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)

Rodgers, Bob: 707-951-2041

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