PL PollutionLookup.com EPA-backed pollution lookup
County page

Natrona County

Natrona County currently shows 0 Superfund sites, 215 imported facility profiles, and 40,712 lbs in loaded TRI releases.

Wyoming Casper 0 cleanup pages 215 facilities
Overview

What this county page is saying

This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Natrona County.

The latest loaded TRI year is 2024, with 40,712 lbs in county-level on-site releases tied to the imported facility set.

Focus points

Design and product notes

  • County pages combine facility compliance history with chemical release totals.

  • TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.

  • Superfund records add legacy cleanup context even when live contaminant detail is still sparse.

Superfund layer

Cleanup sites in this county

Facilities

Worst polluters and compliance pressure

Significant Violation TRI + Clean Air Act + Clean Water Act + RCRA Petroleum

Hf Sinclair Casper Refining Llc

Significant Violation across 12 of the last 12 quarters in the imported ECHO record.

18,064 lbs $0 penalties
Significant Violation Clean Air Act + Clean Water Act + RCRA EPA-regulated facility

Hospital Waste Incinerator

Significant Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act + RCRA EPA-regulated facility

Baggs Man Camp-nabors Drilling Usa Inc.

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

487 Pit (lqd Sp0695)

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

71 Pit (lqd Sp0706)

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Cameron Equipment Yard

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Casper Facility - North Park

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Casper Yard

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

City of Casper Central Service Center

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

District 2 Maintenance Facilities

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Dixon Brothers Casper Facility

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Henrie Pit (lqd Sp0547)

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Jacam Catalyst - Casper

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Mills Claims Bentonite Mine (lqd Pt0732)

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Violation Identified Clean Water Act EPA-regulated facility

Nov Rigs Aftermarket

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties
Chemical Group Facilities Total pounds
Methanol TRI-listed chemical 2 12,886 lbs
Benzene Volatile organic compound 2 7,018 lbs
Styrene Volatile organic compound 1 6,163 lbs
n-Hexane TRI-listed chemical 3 4,595 lbs
Ethylene TRI-listed chemical 1 3,434 lbs
Xylene (mixed isomers) Volatile organic compound 2 3,197 lbs
Propylene TRI-listed chemical 1 1,214 lbs
Toluene Volatile organic compound 3 1,178 lbs
Hydrogen sulfide TRI-listed chemical 1 261 lbs
Cumene TRI-listed chemical 2 209 lbs
Ethylbenzene Volatile organic compound 2 187 lbs
Ammonia TRI-listed chemical 2 148 lbs
Naphthalene TRI-listed chemical 2 74 lbs
1, 2, 4-Trimethylbenzene Volatile organic compound 3 46 lbs
Cyclohexane TRI-listed chemical 1 32 lbs
Phenanthrene TRI-listed chemical 1 14 lbs
Nitrate compounds (water dissociable; reportable only when in aqueous solution) TRI-listed chemical 1 14 lbs
Lead compounds Metals and metal compounds 4 12 lbs
Copper TRI-listed chemical 1 5 lbs
Nickel Metals and metal compounds 1 5 lbs