CITY WATER-SYSTEM LEDGER
Winthrop, Massachusetts
EPA’s September 2026 export lists 1 active community water systems serving Winthrop, Massachusetts, with 1 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Winthrop, Massachusetts
EPA associates 1 covered systems with Winthrop, Massachusetts; their reported population-served values total 19,316 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Winthrop Water Division, (Mwra)MA3346000 | 19,316 | Surface water purchased | Current monitoring/reporting flag |
02 / SOURCE MIX
Primary water sources for Winthrop, Massachusetts
EPA classifies 1 systems serving Winthrop, Massachusetts across 1 primary-source categories; Surface water purchased is the largest category with 1 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.