Dedham Water Supply
PWSID: IA1433016
System Details
| Population Served | 221 |
| Service Connections | 120 |
| Water Source | Groundwater Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Dedham |
| Zip Code | 51440 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
4 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-06-01 | | Open |
| | 2024-10-01 | | Open |
| | 2020-07-01 | | Open |
| | 2018-12-01 | | Open |
Violation History (97 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Acknowledged |
| | 2025-08-01 | Major | Acknowledged |
| | 2025-07-01 | | Returned to Compliance |
| | 2023-12-01 | | Returned to Compliance |
| | 2023-12-01 | | Returned to Compliance |
| | 2023-12-01 | | Acknowledged |
| | 2023-12-01 | | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-08-01 | Major | Acknowledged |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-06-01 | | Returned to Compliance |
| | 2023-06-01 | | Returned to Compliance |
| | 2023-06-01 | | Returned to Compliance |
| | 2023-03-01 | | Returned to Compliance |
| | 2023-03-01 | | Returned to Compliance |
| | 2023-03-01 | | Acknowledged |
| | 2023-03-01 | | Returned to Compliance |
| | 2022-09-01 | | Returned to Compliance |
| | 2022-09-01 | | Returned to Compliance |
| | 2022-09-01 | | Returned to Compliance |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-08-01 | Major | Acknowledged |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-08-01 | Major | Acknowledged |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-08-01 | Major | Acknowledged |
| | 2022-08-01 | Major | Returned to Compliance |
| | 2022-08-01 | Major | Acknowledged |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-03-01 | | Returned to Compliance |
| | 2022-03-01 | | Returned to Compliance |
| | 2022-03-01 | | Returned to Compliance |
| | 2021-08-01 | Major | Acknowledged |
| | 2021-08-01 | Major | Acknowledged |
| | 2021-08-01 | Major | Acknowledged |
| | 2021-08-01 | Major | Acknowledged |
Showing 50 of 93 historical violations.