COUNTY WATER-SYSTEM LEDGER
Jefferson, New York
EPA’s September 2026 export lists 5 active community water systems serving Jefferson, New York, with 0 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 Jefferson, New York
EPA associates 5 covered systems with Jefferson, New York; their reported population-served values total 75,201 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 |
|---|---|---|---|
| Fort DrumNY2212214 | 34,000 | Surface water purchased | No current violation flagged |
| Watertown CityNY2202346 | 27,861 | Surface water | No current violation flagged |
| Leray Town Wd 1, 2, 4NY2221206 | 7,140 | Ground water | No current violation flagged |
| Carthage VillageNY2202334 | 3,600 | Surface water | No current violation flagged |
| Cape Vincent Town Wd 1 & 5NY2230018 | 2,600 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Jefferson, New York
EPA classifies 5 systems serving Jefferson, New York across 3 primary-source categories; Surface water purchased is the largest category with 2 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.