Hf Sinclair Casper Refining Llc

Significant noncompliance (1 programs)TRI ReporterClean Air ActClean Water ActRCRA
Inspections8all-program
Penalty actions0
Total penalties$0lifetime
On-site releases18.1k lbTRI reported

Location

Address5700 East Highway 20-26
CityCasper
CountyNatrona County
StateWyoming
ZIP82609
Coordinates42.85881, -106.24475
EPA Registry ID110011942719

Compliance by program

ProgramStatusQuarters NC (last 12)Penalties
Clean Air ActViolation Addressed; State Has Lead Enforcement12$0
Clean Water ActNot Applicable0$0
RCRA Hazardous WasteNo Violation Identified0$0

TRI chemical releases

YearChemicalAirWaterLandTotal
2024Benzene6.3k006.3k
2024Ethylene3.4k003.4k
2024Xylene (mixed isomers)3.2k003.2k
2024n-Hexane2.2k002.2k
2024Propylene1.2k001.2k
2024Toluene83200832
2024Hydrogen sulfide26100261
2024Cumene20900209
2024Ethylbenzene18700187
2024Ammonia14800148
20241, 2, 4-Trimethylbenzene460046
2024Cyclohexane320032
2024Naphthalene150015
2024Phenanthrene140014
2024Lead compounds120012
2024Mercury compounds4004
2024Polycyclic aromatic compounds3003
2024Benzo[g, h, i]perylene3003
20241, 3-Butadiene0000
2024Dioxin and dioxin-like compounds0000
2024Molybdenum trioxide0000
2023Toluene3.6k003.6k
2023Xylene (mixed isomers)3.3k003.3k
2023Propylene2.4k002.4k
2023n-Hexane2.4k002.4k
2023Ethylene2.1k002.1k
2023Benzene1.8k001.8k
2023Ethylbenzene30700307
2023Hydrogen sulfide25100251
2023Cumene23900239

What this means

This facility is currently in significant noncompliance with one or more EPA-administered laws. EPA's ECHO database flags facilities as significant violators when they have repeated violations across multiple quarters or unresolved enforcement actions. 12 quarter(s) of noncompliance reported in the last 12. Lifetime penalties: $0.

Significant violators receive enforcement priority. If you live near this facility and have concerns, the EPA Office of Inspector General accepts complaints, and your state environmental agency typically maintains its own enforcement docket.

EPA references

View detailed facility report at echo.epa.gov →