EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Westmoreland, Pennsylvania

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems8active CWS · pop. 2,500+
Population served252,423reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Westmoreland

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Mawc Sweeney PlantPA5650032143,000Surface waterNo current violation flagged
New Kensington Muni AuthPA565007047,800Surface waterNo current violation flagged
Latrobe Muni AuthPA565006030,000Surface waterNo current violation flagged
Highridge Water AuthPA565006916,000Surface waterNo current violation flagged
Derry Boro Muni AuthPA56500496,500Surface waterNo current violation flagged
Ligonier Twp Muni AuthPA56500803,293Surface waterNo current violation flagged
Mawc Furnace RunPA56500313,100Surface water purchasedNo current violation flagged
Youngstown Boro Muni AuthPA56500812,730Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water6 systems · 246,593 served
Surface water purchased2 systems · 5,830 served
How to read the population total

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.