Who supplies my water · PA

Where Deemston's tap water comes from

EPA records tie Deemston to 2 water systems. Your water bill names the one that serves your address.

Washington County · Population 740

Water systems for Deemston

Southwestern Pa Water Auth
PWSID PA5300017 · Purity Score 99/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 67% of Deemston's homes are inside Southwestern Pa Water Auth's service area (EPA service-area map).
Full water report for Southwestern Pa Water Auth
Tri Cnty JT Muni Auth
PWSID PA5630045 · Purity Score 74/100 (Fair) · Confidence: moderate · Assessed at the water-system level
About 33% of Deemston's homes are inside Tri Cnty JT Muni Auth's service area (EPA service-area data).
Full water report for Tri Cnty JT Muni Auth

System-level records from EPA. Not a test of your tap.

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.