Environmental compliance · county
Environmental compliance in Prince William County
1,091 active EPA-regulated sites in Prince William County, Virginia: 16 with an identified violation, 7 in significant violation, 517 inspections and $1.1 million in penalties over five years — EPA ECHO, as of October 18, 2026.
How many facilities in Prince William County, Virginia are regulated by the EPA, and how many are in violation (as of October 18, 2026)?
How many active facilities in Prince William County, Virginia fall under each EPA program?
A facility can be in several programs.
| Program | Active sites |
|---|---|
| Air (Clean Air Act) | 194 |
| Water discharge permits (Clean Water Act, NPDES) | 584 |
| Hazardous waste (RCRA) | 378 |
| Drinking water systems (SDWA) | 39 |
| Toxics Release Inventory reporters | 8 |
| Greenhouse gas reporters (GHGRP) | 3 |
Which large facilities in Prince William County, Virginia does the EPA track, and are they in violation?
| Facility | Compliance status | Quarters in violation (of 12) | Penalties, 5 years |
|---|---|---|---|
| DOMINION - POSSUM POINT POWER STATION Dumfries, VA | No Violation Identified | 4 | – |
| US MARINE CORPS - MCB QUANTICO - MAINSIDE STP Quantico, VA | No Violation Identified | 1 | – |
| US MARINE CORPS - MCB QUANTICO - NREAB INDUSTRIAL Quantico, VA | Violation Identified | 1 | – |
| VIRGINIA AMERICAN WATER PRINCE WILLIAM - SECTION 1 Dale City, VA | No Violation Identified | 1 | – |
| ATLANTIC RESEARCH CORP - GAINESVILLE Gainesville, VA | No Violation Identified | 0 | – |
| ENERGY TRANSFER - MANASSAS TERMINAL Manassas, VA | No Violation Identified | 0 | – |
| H L MOONEY WATER RECLAMATION FACILITY Woodbridge, VA | No Violation Identified | 0 | – |
| TRANSCONTINENTAL GAS PIPELINE-STATION 185 Manassas, VA | No Violation Identified | 0 | – |
| VA AMERICAN WATER PWWW - PLANT 8 Woodbridge, VA | No Violation Identified | 0 | – |
All figures for Prince William County · Virginia · United States
EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.
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