Second Mesa Day School - BIA
PWS ID: 090400057 · Second Mesa, 09 86043
Population Served
366
Total Violations
177
Health-Based Violations
34
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 17
- School/Daycare
- Yes
- MCL Violations
- 34
- Monitoring Violations
- 120
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 33 | 2025 |
| Public Notice | Other | 9 | 2025 |
| Coliform (TCR) | MR | 8 | 2014 |
| Arsenic | MR | 6 | 2020 |
| Chlorine | MR | 4 | 2025 |
| Nitrate | MR | 3 | 2024 |
| Revised Total Coliform Rule | MON | 3 | 2024 |
| Endrin | MR | 2 | 2011 |
| BHC-GAMMA | MR | 2 | 2011 |
| Dalapon | MR | 2 | 2011 |
| Diquat | MR | 2 | 2011 |
| Endothall | MR | 2 | 2011 |
| Glyphosate | MR | 2 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2011 |
| OXAMYL | MR | 2 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2011 |
| Simazine | MR | 2 | 2011 |
| Hexachlorocyclopentadiene | MR | 2 | 2011 |
| Carbofuran | MR | 2 | 2011 |
| LASSO | MR | 2 | 2011 |
| 2,3,7,8-TCDD | MR | 2 | 2011 |
| Heptachlor | MR | 2 | 2011 |
| Heptachlor epoxide | MR | 2 | 2011 |
| 2,4-D | MR | 2 | 2011 |
| 2,4,5-TP | MR | 2 | 2011 |
| HEXACHLOROBENZENE | MR | 2 | 2011 |
| Benzo(a)pyrene | MR | 2 | 2011 |
| Pentachlorophenol | MR | 2 | 2011 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2011 |
| ETHYLENE DIBROMIDE | MR | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.