Public water system · NH1471010
ActiveManchester Water Works
Community water system in Hillsborough County, New Hampshire, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
123,500
Service connections
32,061
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Manchester Water Works: frequently asked questions
Is Manchester Water Works's water safe to drink?
Manchester Water Works is an active community water system regulated under the Safe Drinking Water Act, overseen by the NH state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Manchester Water Works?
Manchester Water Works (PWSID NH1471010) is a local government-owned community water system, regulated by the NH state drinking water program.
How many people does Manchester Water Works serve?
Manchester Water Works reports serving 123,500 people through 32,061 service connections in Hillsborough County, New Hampshire.
Where does Manchester Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Hillsborough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pennichuck Water Works | Hillsborough | 88,853 | Community | Surface water |
| Merrimack Village Dist | Hillsborough | 25,500 | Community | Groundwater |
| Hudson Water Dept | Hillsborough | 16,700 | Community | Groundwater |
| Milford Water Utilities Dept | Hillsborough | 9,500 | Community | Purchased surface water |
| Litchfield | Hillsborough | 6,920 | Community | Purchased surface water |
| Peterborough Water Works | Hillsborough | 4,500 | Community | Groundwater |
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.