Hazardous waste · violations by year
Hazardous waste violations in Wyoming in 2026
- 23Handlers cited
- 29Violations on record
- 28Handlers cited in 2025
- 1stAmong Wyoming counties that year
Wyoming has 23 hazardous waste handlers with at least one violation on record during 2026, across 29 separate violations. That compares with 28 in 2025. Each row below carries the date the violation was recorded, the agency that recorded it and the kind of violation it was.
Other years
Violations recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-08-27 | YELLOWSTONE NAT'L PK SRV (CANYON VILLAGE) | Yellowstone Nat'L Park | Standards for Universal Waste Management: Standards for Small Quantity Handlers | S |
| 2026-08-26 | YELLOWSTONE NATIONAL PARK - MAMMOTH BONE YARD | Yellowstone National Park | Standards for Universal Waste Management: Standards for Small Quantity Handlers | S |
| 2026-08-26 | YELLOWSTONE NATIONAL PARK - MAMMOTH BONE YARD | Yellowstone National Park | Land Disposal Restrictions: Prohibitions on Storage | S |
| 2026-08-26 | YELLOWSTONE NATIONAL PARK - MAMMOTH BONE YARD | Yellowstone National Park | Standards for Owners and Operators of HW TSDs: Tank Systems | S |
| 2026-08-26 | YELLOWSTONE NATIONAL PARK SERVICE MAMMOTH PAINT SHOP | Yellowstone National Park | Standards Applicable to Generators of HW: General | S |
| 2026-08-25 | FORMER TEXACO CASPER REFINERY | Evansville | Standards for Universal Waste Management: Standards for Small Quantity Handlers | S |
| 2026-08-25 | FORMER TEXACO CASPER REFINERY | Evansville | Standards for Universal Waste Management: Standards for Large Quantity Handlers | S |
| 2026-07-07 | WESTERN SUGAR COMPANY THE | Lovell | Standards for Used Oil: Generators | S |
| 2026-06-29 | JENKINS LUMBER AND HARDWARE | Alpine | Standards for Used Oil: Generators | S |
| 2026-06-29 | BLACK MOUNTAIN RENTALS | Alpine | Standards for Used Oil: Generators | S |
| 2026-06-29 | STAR VALLEY SKI DOO | Thayne | Standards for Used Oil: Generators | S |
| 2026-06-29 | PJ'S TIRE AND WHEEL | Thayne | Standards for Used Oil: Generators | S |
| 2026-06-03 | BRIDGER VALLEY RECYCLING | Lyman | Standards for Used Oil: Generators | S |
| 2026-05-27 | SIMON COMPRESSOR STATION | Rock Springs | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | S |
| 2026-05-27 | KELTEC | Rock Springs | Standards Applicable to Generators of HW: General | S |
| 2026-05-13 | CALIBER COLLISION CENTER-CHEYENNE 1400 | Cheyenne | Standards for Universal Waste Management: Standards for Small Quantity Handlers | S |
| 2026-05-13 | CALIBER COLLISION CENTER-CHEYENNE 1400 | Cheyenne | Standards Applicable to Generators of HW: General | S |
| 2026-04-27 | ADMIRAL TRANSPORT CORPORATION | Worland | Standards for Used Oil: Generators | S |
| 2026-04-14 | KOMATSU (FORMERLY A AND J DIESEL REPAIR) | Gillette | Standards for Used Oil: Generators | S |
| 2026-03-26 | HAND RAN PRODUCTION SERVICES SHOP FORMERLY (NORTHWINDS OF WYOMING, INC.) | Gillette | Standards for Used Oil: Generators | S |
| 2026-03-23 | CREATIVE ENERGIES | Lander | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | S |
| 2026-03-23 | CREATIVE ENERGIES | Lander | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-03-23 | CREATIVE ENERGIES | Lander | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | S |
| 2026-03-19 | SHERIDAN POWERSPORTS | Sheridan | Standards for Used Oil: Generators | S |
| 2026-03-18 | ELITE INDUSTRIAL LLC | Gillette | Standards for Used Oil: Generators | S |
| 2026-02-25 | 307 AUTO REPAIR | Newcastle | Standards for Used Oil: Generators | S |
| 2026-02-13 | SWI LLC | Cheyenne | Standards for Used Oil: Generators | S |
| 2026-02-04 | PACIFICORP - NAUGHTON PLANT | Kemmerer | Standards Applicable to Generators of HW: General | S |
| 2026-01-29 | CARBON COUNTY SCHOOL DISTRICT #1 BUS FACILITY | Rawlins | Standards for Used Oil: Generators | S |
Figures from EPA’s RCRAInfo download.
What this page shows
This page covers hazardous-waste handlers in the EPA RCRA register in WY with violations in 2026. It lists 20 handlers with violations and 24 violations recorded in 2026.