THE COPPER SWAN
PWS ID: MA4318073 · WELLFLEET, Massachusetts 02667
Population Served
115
Total Violations
86
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Barnstable
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 49
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | RPT | 27 | 2023 |
| Revised Total Coliform Rule | MON | 19 | 2023 |
| Nitrate | MR | 17 | 2022 |
| Coliform (TCR) | MR | 11 | 2009 |
| Nitrite | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.