USFS-CNF-RIGGS LAKE
PWS ID: AZ0405608 · TUCSON, Arizona 85701
Population Served
65
Total Violations
27
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Graham
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 19
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | RPT | 6 | 2021 |
| Coliform (TCR) | MR | 3 | 2002 |
| Nitrate | MR | 2 | 1987 |
| Arsenic | MR | 2 | 1987 |
| Chromium | MR | 2 | 1987 |
| Fluoride | MR | 2 | 1987 |
| Cadmium | MR | 2 | 1987 |
| Selenium | MR | 2 | 1987 |
| Barium | MR | 2 | 1987 |
| Mercury | MR | 2 | 1987 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.