PORTER MOUNTAIN DWID
PWS ID: AZ0409024 · LAKESIDE, Arizona 85929
Population Served
322
Total Violations
275
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 140
- County
- Navajo
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 234
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 59 | 2025 |
| Coliform (TCR) | MR | 34 | 2015 |
| Consumer Confidence Rule | Other | 19 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2025 |
| TTHM | MR | 9 | 2025 |
| Lead and Copper Rule | MR | 7 | 2021 |
| Nitrate | MR | 5 | 2006 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Public Notice | Other | 3 | 2024 |
| o-Dichlorobenzene | MR | 3 | 2002 |
| trans-1,2-Dichloroethylene | MR | 3 | 2002 |
| 1,1,1-Trichloroethane | MR | 3 | 2002 |
| Carbon tetrachloride | MR | 3 | 2002 |
| Tetrachloroethylene | MR | 3 | 2002 |
| CHLOROBENZENE | MR | 3 | 2002 |
| Benzene | MR | 3 | 2002 |
| Toluene | MR | 3 | 2002 |
| Ethylbenzene | MR | 3 | 2002 |
| p-Dichlorobenzene | MR | 3 | 2002 |
| 1,2-Dichloroethane | MR | 3 | 2002 |
| Trichloroethylene | MR | 3 | 2002 |
| Styrene | MR | 3 | 2002 |
| cis-1,2-Dichloroethylene | MR | 3 | 2002 |
| 1,1-Dichloroethylene | MR | 3 | 2002 |
| 1,2-Dichloropropane | MR | 3 | 2002 |
| DICHLOROMETHANE | MR | 3 | 2002 |
| 1,1,2-Trichloroethane | MR | 3 | 2002 |
| Revised Total Coliform Rule | RPT | 2 | 2022 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Fluoride | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.