COUNTY WATER-SYSTEM LEDGER
Westmoreland, Pennsylvania
EPA’s September 2026 export lists 8 active community water systems serving Westmoreland, Pennsylvania, 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 Westmoreland, Pennsylvania
EPA associates 8 covered systems with Westmoreland, Pennsylvania; their reported population-served values total 252,423 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 |
|---|---|---|---|
| Mawc Sweeney PlantPA5650032 | 143,000 | Surface water | No current violation flagged |
| New Kensington Muni AuthPA5650070 | 47,800 | Surface water | No current violation flagged |
| Latrobe Muni AuthPA5650060 | 30,000 | Surface water | No current violation flagged |
| Highridge Water AuthPA5650069 | 16,000 | Surface water | No current violation flagged |
| Derry Boro Muni AuthPA5650049 | 6,500 | Surface water | No current violation flagged |
| Ligonier Twp Muni AuthPA5650080 | 3,293 | Surface water | No current violation flagged |
| Mawc Furnace RunPA5650031 | 3,100 | Surface water purchased | No current violation flagged |
| Youngstown Boro Muni AuthPA5650081 | 2,730 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Westmoreland, Pennsylvania
EPA classifies 8 systems serving Westmoreland, Pennsylvania across 2 primary-source categories; Surface water is the largest category with 6 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.