States / Wyoming / Natrona County
Natrona County: EPA Toxic Release Inventory
28 active of 31 registered facilities
Superfund Sites
EPA National Priorities List — includes sites already cleaned up, marked as such below.
MYSTERY BRIDGE RD/U.S. HIGHWAY 20 · EVANSVILLEDELETED FROM THE FINAL NPL
Facilities in Violation (EPA ECHO)
HOSPITAL WASTE INCINERATOR · CASPERSignificant Violation
ROCKY MOUNTAIN REPAIR CENTER · MILLSViolation Identified
CASPER SOLID WASTE MANAGEMENT FACILITY · CASPERViolation
CASPER FACILITY - NORTH PARK · CASPERViolation Identified
CASPER-NATRONA COUNTY INTERNATIONAL AIRPORT · CASPERViolation Identified
CAMERON EQUIPMENT YARD · CASPERViolation Identified
HALLIBURTON ENERGY SERVICES, INC. - EVANSVILLE FIELD CAMP · EVANSVILLEViolation Identified
FDL MAINLINE PIPELINE (FIELD PERMIT) · UNKNOWNViolation Identified
SAM H. HOBBS REGIONAL WW FACILITY (PREV. CASPER WWTF) · CASPERViolation Identified
CASPER BRASS FOUNDRY · MILLSViolation
BAKER HUGHES - PROCESS AND PIPELINE SERVICES · CASPERViolation Identified
DIXON BROTHERS CASPER FACILITY · CASPERViolation Identified
COUNTRYSIDE COURT · MILLSViolation Identified
SUNSET GRILL & RIVER VIEW INNViolation Identified
MCCHESNEY LEASE · (UNKNOWN CITY)Violation Identified
NOV RIGS AFTERMARKET · CASPERViolation Identified
PIONEER WATER AND SEWER · MILLSViolation Identified
CITY OF CASPER CENTRAL SERVICE CENTER · CASPERViolation Identified
HALLIBURTON ENERGY SERVICES, INC.-EVANSVILLE BAROID FACILITY · EVANSVILLEViolation Identified
LAKEVIEW IMPROVEMENT & SERVICE DISTRICT · MILLSViolation Identified
SANDY LAKE ESTATES- ISD · CASPERViolation Identified
SINCLAIR OIL CORP. - CASPER, WYOMING REFINERY · CASPERSignificant Violation
MILLS CLAIMS BENTONITE MINE (LQD PT0732) · (UNKNOWN CITY)Violation Identified
71 PIT (LQD SP0706) · CASPERViolation Identified
RIVERSIDE WASTE WATER TREATMENT FACILITY · CASPERViolation Identified
NORTHERN 7-MILE TRANSMISSION LINE REPLACEMENT · (UNKNOWN CITY)Violation Identified
CASPER YARD · CASPERViolation Identified
N. PLATTE PARK UTILITIES · CASPERSignificant Violation
P&P SUBDIVISION (WYPDES) · UNKNOWNViolation Identified
DISTRICT 2 MAINTENANCE FACILITIES · CASPERViolation Identified
487 PIT (LQD SP0695) · (UNKNOWN CITY)Violation Identified
TRACK CAPACITY EXPANSION-AMERICAN COLLOID COMPANY · UNKNOWNViolation Identified
FEDEX FREIGHT, INC. CSR · CASPERViolation
BAGGS MAN CAMP-NABORS DRILLING USA INC. · CASPERViolation Identified
NORTH CASPER CREEK FIELD GOWIN #1 BATTERY · (UNKNOWN CITY)Significant Violation
WYOMING STEEL & RECYCLING CASPER FACILITY · MILLSViolation Identified
HORSE RANCH CREEK STOCKPILE AND PLANT SITE · UNKNOWNViolation Identified
CASPER - KAYCEE, WYDOT I255118 · (UNKNOWN CITY)Violation Identified
RIVER 1 POD (AUGUST 2018) · UNKNOWNViolation Identified
CAMP WYOBA AND LIONS CLUB · CASPERViolation Identified
HENRIE PIT (LQD SP0547) · (UNKNOWN CITY)Violation Identified
SECOND WIND PERFORMANCE · CASPERViolation
SLOANES GENERAL STOREViolation Identified
JACAM CATALYST - CASPER · CASPERViolation Identified
WEST CASPER YARD · CASPERViolation Identified
TRI-Registered Facilities
BJ CHEMICAL SERVICES · CASPERActiveCHAMPIONX-EVANSVILLE PLANT 108 · EVANSVILLEActiveCUSTOM FIBERGLASS INC · CASPERActiveCUSTOM FIBERGLASS INC · CASPERActiveDURA-LINE · EVANSVILLEActiveEXCAL INC. · MILLSActiveFLEISCHLI OIL EVANSVILLE · EVANSVILLEActiveHALLIBURTON CASPER BAROID · EVANSVILLEActiveHALLIBURTON CASPER FIELD CAMP · EVANSVILLEActiveHF SINCLAIR CASPER REFINING LLC · CASPERActiveJOY GLOBAL EVANSVILLE WY · EVANSVILLEActiveKNIFE RIVER CASPER · CASPERActiveKNIFE RIVER MATERIALS YARD · CASPERActiveNATIONAL TANK CO · CASPERActiveNOV DOWNHOLE TOOLS CASPER · CASPERActiveNOV RIG SOLUTIONS CASPER · CASPERActiveNOV TUBOSCOPE XL CASPER · CASPERActiveNOV TUBOSCOPE XL HARDBANDING CASPER · CASPERActivePHILLIPS 66 CASPER TERMINAL · EVANSVILLEActiveRESCON TECHNOLOGY CORP · CASPERActiveSAFARILAND/DEFENSE TECHNOLOGY · CASPERActiveTALLGRASS MIDSTREAM LLC - CASPER GAS PLANT & COMPRESSOR STAT · CASPERActiveTUBOSCOPE INC ROCKY MOUNTAIN COATING PLANT · MILLSActiveUNICHEM INERNATIONAL INC · CASPERActiveUNIVAR USA INC CASPER · EVANSVILLEActiveUS DOE NAVAL PETROLEUM RESERVE NO 3 · CASPERActiveVALLOUREC TUBE-ALLOY LLC · CASPERActiveWOTCO INC · MILLSActiveAMOCO OIL CO, CASPER REFINERY · CASPERInactiveAUSTIN POWDER CO · MILLSInactiveTRUENORTH STEEL-CASPER · CASPERInactive
Source: U.S. EPA Toxic Release Inventory, ECHO, Superfund (SEMS NPL). Registration or a violation listed does not by itself indicate a current health hazard.