HILIGHT GAS PLANT
Quick Summary
- •Released 16,499 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1464 HILIGHT ROAD
GILLETTE, WY 82718
View on map ↗ - County
- CAMPBELL County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211112
- Inspections
- 3 · last Jul 23, 2024
- Total Penalties
- $0
- Registry ID
- 110000562702
How This Compares
Ranked by most recent year's total TRI releases.
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2022 | 5,471 | — |
| 2023 | 30,537 | +458% |
| 2024 | 16,499 | -46% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 6,540 | 6,540 | — | — | 1 | |
| Methanol | 3,600 | 3,600 | — | — | 13,000 | |
| Benzene | 2,400 | 2,400 | — | — | — | ♦ Carcinogen |
| Toluene | 2,160 | 2,160 | — | — | — | |
| Xylene (mixed isomers) | 1,630 | 1,630 | — | — | 940 | |
| Ethylbenzene | 169 | 169 | — | — | 940 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Formaldehyde | 21,747 | 21,747 | — | — | — | ♦ Carcinogen |
| Methanol | 3,239 | 3,239 | — | — | 261,330 | |
| n-Hexane | 2,733 | 2,733 | — | — | 0 | |
| Benzene | 1,842 | 1,842 | — | — | 18,666 | ♦ Carcinogen |
| Toluene | 706 | 706 | — | — | 18,666 | |
| Xylene (mixed isomers) | 237 | 237 | — | — | 18,666 | |
| Ethylbenzene | 33 | 33 | — | — | 18,666 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | — | — | — | — | 483,134 | |
| n-Hexane | 2,674 | 2,674 | — | — | — | |
| Benzene | 1,828 | 1,828 | — | — | 34,510 | ♦ Carcinogen |
| Toluene | 701 | 701 | — | — | 34,510 | |
| Xylene (mixed isomers) | 235 | 235 | — | — | 34,510 | |
| Ethylbenzene | 33 | 33 | — | — | 34,510 | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| n-Hexane | — | — | — | 16,000 |
| Xylene (mixed isomers) | — | — | — | 940 |
| Benzene | — | — | — | 19 |
| Toluene | — | — | — | 30 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
CAMPBELL COUNTY LANDFILL
GILLETTE, WY
|
n-Hexane | 1 | — | — | — |
|
PUMPKIN BUTTES COWDF
SW OF GILLETTE, WY
|
Xylene (mixed isomers) | — | — | — | 940 |
|
PUMPKIN BUTTES COWDF
SW OF GILLETTE, WY
|
Ethylbenzene | 940 | — | — | — |
|
PUMPKIN BUTTES COWDF
SW OF GILLETTE, WY
|
Methanol | 13,000 | — | — | — |
|
CAMPBELL COUNTY LANDFILL
GILLETTE, WY
|
Benzene | — | — | — | — |
|
CAMPBELL COUNTY LANDFILL
GILLETTE, WY
|
Toluene | — | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards for Used Oil: Generators | Dec 3, 1998 | Jan 28, 1999 | Resolved |