US NPS ECHO LAKE (12)
PWS ID: ME0098572 · BAR HARBOR, Maine 04609
Population Served
250
Total Violations
72
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Hancock
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 57
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 28 | 2010 |
| Nitrite | MR | 20 | 2008 |
| Public Notice | Other | 6 | 2017 |
| Coliform (TCR) | MR | 5 | 2006 |
| Revised Total Coliform Rule | RPT | 5 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| Revised Total Coliform Rule | TT | 4 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.