RIVIERA TERRACE TC
PWS ID: AK2210451 · ENCINO, Alaska 91436
Population Served
435
Total Violations
208
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 143
- County
- Anchorage Municipality
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 144
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 6 | 2020 |
| Simazine | MR | 4 | 1995 |
| Dinoseb | MR | 4 | 1995 |
| Pentachlorophenol | MR | 4 | 1995 |
| Heptachlor epoxide | MR | 4 | 1995 |
| Aldicarb sulfone | MR | 4 | 1995 |
| 2,4,5-TP | MR | 4 | 1995 |
| 2,4-D | MR | 4 | 1995 |
| BHC-GAMMA | MR | 4 | 1995 |
| Picloram | MR | 4 | 1995 |
| Endrin | MR | 4 | 1995 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 1995 |
| Heptachlor | MR | 4 | 1995 |
| Atrazine | MR | 4 | 1995 |
| Aldicarb sulfoxide | MR | 4 | 1995 |
| Aldicarb | MR | 4 | 1995 |
| Toxaphene | MR | 4 | 1995 |
| Diquat | MR | 4 | 1995 |
| ETHYLENE DIBROMIDE | MR | 4 | 1995 |
| Chlordane | MR | 4 | 1995 |
| Methoxychlor | MR | 4 | 1995 |
| Coliform (TCR) | MR | 4 | 1996 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1985 |
| Arsenic | MR | 2 | 1986 |
| Barium | MR | 2 | 1986 |
| Cadmium | MR | 2 | 1986 |
| 1,2,4-Trichlorobenzene | MR | 2 | 1999 |
| 1,1,2-Trichloroethane | MR | 2 | 1999 |
| Xylenes, Total | MR | 2 | 1999 |
| p-Dichlorobenzene | MR | 2 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.