US NPS ISLE AU HAUT RANGER STATION
PWS ID: ME0098590 · BAR HARBOR, Maine 04609
Population Served
25
Total Violations
85
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Knox
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 72
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 26 | 2018 |
| Coliform (TCR) | MR | 18 | 2015 |
| Revised Total Coliform Rule | MON | 16 | 2020 |
| Nitrite | MR | 12 | 2011 |
| Public Notice | Other | 7 | 2015 |
| Coliform (TCR) | MCL | 6 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.