MSBSD COLONY SCHOOLS
PWS ID: AK2227474 · WASILLA, Alaska 99654
Population Served
1,961
Total Violations
103
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 2
- County
- Matanuska-Susitna Borough
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 67
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 2002 |
| Benzene | MR | 3 | 1991 |
| Carbon tetrachloride | MR | 3 | 1991 |
| 1,1,1-Trichloroethane | MR | 3 | 1991 |
| trans-1,2-Dichloroethylene | MR | 3 | 1991 |
| 1,2-Dichloropropane | MR | 3 | 1991 |
| Tetrachloroethylene | MR | 3 | 1991 |
| Toluene | MR | 3 | 1991 |
| DICHLOROMETHANE | MR | 3 | 1991 |
| o-Dichlorobenzene | MR | 3 | 1991 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1991 |
| 1,1-Dichloroethylene | MR | 3 | 1991 |
| p-Dichlorobenzene | MR | 3 | 1991 |
| 1,1,2-Trichloroethane | MR | 3 | 1991 |
| CHLOROBENZENE | MR | 3 | 1991 |
| 1,2-Dichloroethane | MR | 3 | 1991 |
| cis-1,2-Dichloroethylene | MR | 3 | 1991 |
| Ethylbenzene | MR | 3 | 1991 |
| Styrene | MR | 3 | 1991 |
| Vinyl chloride | MR | 3 | 1991 |
| Trichloroethylene | MR | 3 | 1991 |
| Coliform (TCR) | MCL | 2 | 2013 |
| Nitrate | MR | 2 | 1987 |
| Groundwater Rule | Other | 1 | 2022 |
| Groundwater Rule | TT | 1 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.