COUNTY WATER-SYSTEM LEDGER
Loudoun, Virginia
EPA’s September 2026 export lists 5 active community water systems serving Loudoun, Virginia, 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 Loudoun, Virginia
EPA associates 5 covered systems with Loudoun, Virginia; their reported population-served values total 416,784 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 |
|---|---|---|---|
| Loudoun Water - Central SystemVA6107350 | 334,808 | Surface water | No current violation flagged |
| Leesburg, Town OfVA6107300 | 65,028 | Surface water | No current violation flagged |
| Purcellville, Town OfVA6107600 | 8,929 | Surface water | No current violation flagged |
| Round Hill, Town OfVA6107650 | 5,055 | Ground water | No current violation flagged |
| Lovettsville, Town OfVA6107400 | 2,964 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Loudoun, Virginia
EPA classifies 5 systems serving Loudoun, Virginia across 2 primary-source categories; Surface water is the largest category with 3 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.