Csp Henry W. Coe State Park
Published drinking-water records and contacts for Csp Henry W. Coe State Park. System CA4310300. Review sources and dates; not a real-time water assessment.
- System ID
- CA4310300
- State or territory
- CA
- Published population served
- 1205
- System type (source code)
- TNCWS
Published records and dates
- California DDW laboratory results: 24 — 2026-01-27 – 2026-01-27
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
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| FLUORIDE | 0.2 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| MAGNESIUM | 13.3 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| MANGANESE | 518 UG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| ORTHOPHOSPHATE | < 0.100000000 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| TURBIDITY | 0.25 NTU | 2026-01-27 | WELL 01 / California DDW laboratory results |
| CONDUCTIVITY @ 25 C UMHOS/CM | 384 UMHO/CM | 2026-01-27 | WELL 01 / California DDW laboratory results |
| CALCIUM | 46 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| HARDNESS, TOTAL (AS CACO3) | 169 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| ALKALINITY, BICARBONATE | 185 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| SULFATE | 32 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| NITRITE | < 0.100000000 MG/L | 2026-01-27 | WELL 01 / California DDW laboratory results |
| LANGELIER INDEX AT SOURCE TEMP. | -0.13 LANG | 2026-01-27 | WELL 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
3 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2020-08-01 – 2020-08-31 | Archived | No | 2026Q3 |
| Ground Water Rule / Monitoring, Source Water (GWR) | 2020-02-01 – — | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-02-01 – 1986-02-28 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- California DDW laboratory results — last successful check: 2026-10-18
Administrative contact (EPA filing)
Gray, Wes: 831-236-4546
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.