Menemsha Water Company
PWSID: MA4062000
System Details
| Population Served | 841 |
| Service Connections | 95 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Chilmark |
| Zip Code | 02535 |
Areas Served
- Chilmark, Dukes County, 02535
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 7.7900 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 6.2000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 6.1000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 6.1000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 5.5000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 4.7600 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 4.5300 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 4.0000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 3.1000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.8000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0620 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0400 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0210 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0210 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0150 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0120 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0120 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0091 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0090 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0074 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0058 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (25 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Acknowledged |
| | 2024-07-01 | | Acknowledged |
| | 2024-07-01 | | Acknowledged |
| | 2021-10-01 | Major | Acknowledged |
| | 2018-11-11 | | Returned to Compliance |
| | 2018-10-01 | Major | Acknowledged |
| | 2018-09-11 | | Returned to Compliance |
| | 2018-08-11 | | Returned to Compliance |
| | 2018-08-01 | Major | Acknowledged |
| | 2018-07-01 | Major | Acknowledged |
| | 2018-06-11 | | Returned to Compliance |
| | 2018-05-11 | | Returned to Compliance |
| | 2018-05-01 | Major | Acknowledged |
| | 2018-04-01 | Major | Acknowledged |
| | 2017-12-11 | | Returned to Compliance |
| | 2017-11-11 | | Returned to Compliance |
| | 2017-11-01 | Major | Acknowledged |
| | 2017-10-01 | Major | Acknowledged |
| | 2017-09-11 | | Returned to Compliance |
| | 2017-08-11 | | Returned to Compliance |
| | 2017-08-01 | Major | Acknowledged |
| | 2017-07-01 | Major | Acknowledged |
| | 2017-06-11 | | Returned to Compliance |
| | 2017-05-01 | Major | Acknowledged |
| | 2008-12-01 | | Returned to Compliance |