Ganado Mission - Sage Memorial Hospital
PWS ID: NN0400320 · Ganado, Navajo Nation 86505
Population Served
349
Total Violations
236
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 92
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 196
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 28 | 2012 |
| Nitrate | MR | 11 | 2021 |
| Nitrite | MR | 11 | 2021 |
| Consumer Confidence Rule | Other | 8 | 2022 |
| Revised Total Coliform Rule | RPT | 7 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2019 |
| TTHM | MR | 5 | 2019 |
| Revised Total Coliform Rule | MON | 5 | 2017 |
| Arsenic | MR | 2 | 1996 |
| Barium | MR | 2 | 1996 |
| Cadmium | MR | 2 | 1996 |
| Chromium | MR | 2 | 1996 |
| Fluoride | MR | 2 | 1996 |
| BHC-GAMMA | MR | 2 | 1996 |
| Toxaphene | MR | 2 | 1996 |
| Dalapon | MR | 2 | 1996 |
| Endothall | MR | 2 | 1996 |
| Glyphosate | MR | 2 | 1996 |
| OXAMYL | MR | 2 | 1996 |
| Simazine | MR | 2 | 1996 |
| Dinoseb | MR | 2 | 1996 |
| Hexachlorocyclopentadiene | MR | 2 | 1996 |
| Aldicarb sulfone | MR | 2 | 1996 |
| Carbofuran | MR | 2 | 1996 |
| Aldicarb | MR | 2 | 1996 |
| 2,4-D | MR | 2 | 1996 |
| 2,4,5-TP | MR | 2 | 1996 |
| HEXACHLOROBENZENE | MR | 2 | 1996 |
| Benzo(a)pyrene | MR | 2 | 1996 |
| cis-1,2-Dichloroethylene | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.