Environmental compliance · county
Environmental compliance in Kay County
195 active EPA-regulated sites in Kay County, Oklahoma: 12 with an identified violation, 4 in significant violation, 129 inspections and $271,865 in penalties over five years — EPA ECHO, as of October 18, 2026.
How many facilities in Kay County, Oklahoma are regulated by the EPA, and how many are in violation (as of October 18, 2026)?
How many active facilities in Kay County, Oklahoma fall under each EPA program?
A facility can be in several programs.
| Program | Active sites |
|---|---|
| Air (Clean Air Act) | 94 |
| Water discharge permits (Clean Water Act, NPDES) | 20 |
| Hazardous waste (RCRA) | 68 |
| Drinking water systems (SDWA) | 17 |
| Toxics Release Inventory reporters | 10 |
| Greenhouse gas reporters (GHGRP) | 6 |
Which large facilities in Kay County, Oklahoma does the EPA track, and are they in violation?
| Facility | Compliance status | Quarters in violation (of 12) | Penalties, 5 years |
|---|---|---|---|
| PONCA CITY REFINERY Ponca City, OK | Significant Violation | 9 | $32,550 |
| WASTEWATER TREATMENT PLANT Blackwell, OK | Violation Identified | 5 | – |
| CONTINENTAL CARBON PONCA CITY PLANT Ponca City, OK | Violation Identified | 4 | $71,600 |
| JUPITER SULPHUR LLC Ponca City, OK | No Violation Identified | 3 | – |
| BLACKWELL COMPRESSOR STATION Blackwell, OK | Violation Identified | 2 | – |
| MAGELLAN PIPELINE CO LP/PONCA CITY STA Ponca City, OK | Violation Identified | 1 | – |
| PONCA CITY MUNICIPAL STEAM PLANT Ponca City, OK | No Violation Identified | 1 | – |
| CITY OF PONCA CITY Ponca City, OK | No Violation Identified | 0 | – |
| MERTZ MANUFACTURING, LLC Ponca City, OK | No Violation Identified | 0 | – |
| SOUTHERN STAR CTL GAS PIPELINE INC/WEBB STA Deer Creek, OK | No Violation Identified | 0 | – |
All figures for Kay County · Oklahoma · 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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