4100 HOLDINGS LLC
PWS ID: MA4086001 · EASTHAM, Massachusetts 02642
Population Served
750
Total Violations
21
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
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 2008 |
| Revised Total Coliform Rule | MON | 4 | 2018 |
| Nitrate | MR | 2 | 2008 |
| Nitrite | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.