Public water system · MA6000000
ActiveMWRA
Community water system in Suffolk County, Massachusetts, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,580,000
Service connections
186
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Archived |
| 1992-01-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
All 3 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.
MWRA: frequently asked questions
Is MWRA's water safe to drink?
MWRA is an active community water system regulated under the Safe Drinking Water Act, overseen by the MA 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 MWRA?
MWRA (PWSID MA6000000) is a state government-owned community water system, regulated by the MA state drinking water program.
How many people does MWRA serve?
MWRA reports serving 2,580,000 people through 186 service connections in Suffolk County, Massachusetts.
Where does MWRA get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Suffolk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boston Water and Sewer Commission (MWRA) | Suffolk | 675,647 | Community | Purchased surface water |
| Revere Water Division (MWRA) | Suffolk | 62,186 | Community | Purchased surface water |
| Chelsea Water Dept. (MWRA) | Suffolk | 40,787 | Community | Purchased surface water |
| Winthrop Water Division, (MWRA) | Suffolk | 19,316 | Community | Purchased surface water |
| Rocky Mt Sprg @ Supreme Liq Boston Vnd | Suffolk | 400 | Transient non-community | Purchased groundwater |
| Deer Island (MWRA) | Suffolk | 350 | Non-transient non-community | Purchased surface water |
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