Water quality in Winthrop, New York
Winthrop is in St. Lawrence County. 227 active public water systems serve the county; 129 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in St. Lawrence County
39 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Helena Water District Brasher (t) |
180 | 1 | 7.2 mi | |
| L.b.s.h. Housing Brasher (t) |
100 | 1 | 7.2 mi | |
| Pine Grove Mobile Home Park Norfolk (t) |
30 | 4 | 8.8 mi | |
| Norwood Norwood (v) |
1,685 | 0 | 9.1 mi | |
| Norfolk Water District Norfolk (t) |
2,300 | 1 | 9.1 mi | |
| Massena Village Massena (v) |
16,729 | 1 | 9.5 mi | |
| Bob Scotts Mobile Home Park Pierrepont (t) |
50 | 1 | 9.6 mi | |
| Parishville Water District #1 Parishville (t) |
450 | 0 | 12.1 mi | |
| East Louisville Water District Louisville (t) |
3,235 | 0 | 12.2 mi | |
| Potsdam Water District No. 1 Potsdam (t) |
220 | 0 | 12.5 mi | |
| Crescent Meadow Apt Community Potsdam (t) |
30 | 3 | 12.5 mi | |
| Garden Place Estates Potsdam (t) |
25 | 1 | 12.5 mi | |
| Snells Complex Potsdam (t) |
25 | 1 | 12.5 mi | |
| Potsdam Village Potsdam (v) |
8,312 | 0 | 12.7 mi | |
| White Birch Mobile Home Pierrepont (t) |
44 | 3 | 15.5 mi | |
| Crestview Heights Water System Corp. Pierrepont (t) |
70 | 2 | 16.1 mi | |
| Madrid Water District Madrid (t) |
800 | 0 | 16.3 mi | |
| Waddington Village Waddington (v) |
944 | 1 | 19.4 mi | |
| Champion Mobile Home Park Canton (t) |
82 | 2 | 20.5 mi | |
| Boyden Brook Mobile Home Community Canton (t) |
25 | 0 | 20.9 mi | |
| Church Creek Mobile Home Community Canton (t) |
150 | 2 | 21.6 mi | |
| Canton Village Canton (v) |
7,055 | 0 | 22.9 mi | |
| Clarks Trailer Park Canton (t) |
50 | 2 | 23.0 mi | |
| Lisbon Water District Lisbon (t) |
499 | 1 | 25.4 mi | |
| Heuvelton Village Heuvelton (v) |
830 | 1 | 29.5 mi |
Non-community systems in St. Lawrence County (187: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to St. Lawrence County, nearest to Winthrop first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files or the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The New York records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.