GREAT SALT BAY SANITARY DISTRICT
PWS ID: ME0090410 · DAMARISCOTTA, Maine 04543
Population Served
2,143
Total Violations
226
Health-Based Violations
129
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 857
- County
- Lincoln
- School/Daycare
- No
- MCL Violations
- 122
- Monitoring Violations
- 96
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 98 | 2010 |
| Fluoride | MR | 56 | 1999 |
| Coliform (TCR) | MR | 16 | 2015 |
| TTHM | MCL | 13 | 2010 |
| Coliform (TCR) | MCL | 11 | 2014 |
| Lead and Copper Rule | TT | 5 | 2021 |
| TTHM | MR | 3 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2021 |
| Thallium, Total | MR | 3 | 1993 |
| Antimony, Total | MR | 3 | 1993 |
| Nickel | MR | 3 | 1993 |
| CYANIDE | MR | 3 | 1993 |
| Beryllium, Total | MR | 3 | 1993 |
| Surface Water Treatment Rule | TT | 2 | 2006 |
| Lead and Copper Rule | MR | 2 | 2023 |
| Combined Radium (-226 and -228) | MR | 1 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.