Canoncito
PWS ID: NN3500287 · Canoncito, Navajo Nation 87026
Population Served
1,326
Total Violations
898
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 390
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 731
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 173 | 2015 |
| Revised Total Coliform Rule | MON | 104 | 2025 |
| Public Notice | Other | 55 | 2025 |
| Consumer Confidence Rule | Other | 36 | 2023 |
| Nitrate | MR | 32 | 2024 |
| Nitrite | MR | 24 | 2024 |
| 2,3,7,8-TCDD | MR | 10 | 2011 |
| Revised Total Coliform Rule | RPT | 10 | 2025 |
| E. COLI | MR | 9 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2012 |
| TTHM | MR | 7 | 2012 |
| BHC-GAMMA | MR | 6 | 2011 |
| Methoxychlor | MR | 6 | 2011 |
| Toxaphene | MR | 6 | 2011 |
| Dalapon | MR | 6 | 2011 |
| Diquat | MR | 6 | 2011 |
| Endothall | MR | 6 | 2011 |
| Glyphosate | MR | 6 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 6 | 2011 |
| OXAMYL | MR | 6 | 2011 |
| Simazine | MR | 6 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 2011 |
| Picloram | MR | 6 | 2011 |
| Dinoseb | MR | 6 | 2011 |
| Hexachlorocyclopentadiene | MR | 6 | 2011 |
| Carbofuran | MR | 6 | 2011 |
| Atrazine | MR | 6 | 2011 |
| LASSO | MR | 6 | 2011 |
| Heptachlor | MR | 6 | 2011 |
| Heptachlor epoxide | MR | 6 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.