Preston Plains Water Company
PWSID: CT1140011
System Details
| Population Served | 550 |
| Service Connections | 105 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Mashantucket |
| Zip Code | 06338-3060 |
Areas Served
- Preston, New London County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0053 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0039 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0034 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-10 | | Open |
Violation History (11 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Returned to Compliance |
| | 2024-12-30 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2021-12-30 | | Returned to Compliance |
| | 2021-09-01 | Yes | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2018-12-30 | | Returned to Compliance |
| | 2018-10-10 | | Returned to Compliance |
| | 2018-07-01 | | Returned to Compliance |