Joshua Tree Np - Black Rock Canyon
Published drinking-water records and contacts for Joshua Tree Np - Black Rock Canyon. System CA3310502. Review sources and dates; not a real-time water assessment.
- System ID
- CA3310502
- State or territory
- CA
- Published population served
- 407
- System type (source code)
- TNCWS
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
Published compliance history
1 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 |
|---|---|---|---|---|
| Ground Water Rule / Failure to Notify Other PWS | 2022-08-07 – — | Resolved | 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
Administrative contact (EPA filing)
Stiltz, Brooks: 760-367-5682
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.