States / Wyoming / Johnson County
Johnson County: EPA Toxic Release Inventory
0 active of 0 registered facilities
Facilities in Violation (EPA ECHO)
SHELL CREEK PIT (LQD PT0798) · BUFFALOViolation Identified
POWDER RIVER REST AREA I-90 · BUFFALOViolation Identified
CROSS H. RANCH, INC. GRAVEL PIT · UNKNOWNViolation Identified
BULLWHACKER CREEK - DRY FORK LAND · UNKNOWNViolation Identified
CRAZY WOMAN CREEK · (UNKNOWN CITY)Violation Identified
NORTH FORK CELLARS OIL WELL · UNKNOWNViolation Identified
MR. R'S AUTO SALVAGE · BUFFALOViolation Identified
WALL CREEK QUARRY (LQD ET1571) · (UNKNOWN CITY)Violation Identified
BUFFALO CITY YARD · BUFFALOViolation Identified
PINE RIDGE ONE PIT (ARARAT ROCK) (LQD SP0799) · KAYCEEViolation Identified
HANSON PLACE GRAVEL STORAGE AREA & ASPHALT PLANT · BUFFALOViolation Identified
WEDIN PIT (LQD PT0720, PREV. SUSSEX SAND & GRAVEL) · (UNKNOWN CITY)Violation Identified
RIVER ROAD CBM FACILITY · (UNKNOWN CITY)Violation Identified
NORTH FORK FIELD · (UNKNOWN CITY)Violation Identified
EAST TISDALE FIELD, MORTON LEASE (NEW 2016) · (UNKNOWN CITY)Significant Violation
SOUTH FORK MOUNTAIN LODGEViolation Identified
OIL CANYON · (UNKNOWN CITY)Significant Violation
BALD MOUNTAIN TRAILER COURT · BUFFALOViolation Identified
TAYLOR · UNKNOWNViolation Identified
Air quality, year by year
Days by air-quality category at monitors in Johnson County. Green = good, amber = moderate, red = unhealthy for someone. From EPA's Air Quality System.
09
10
11
12
13
14
15
18
19
20
21
22
23
24
25
Latest year: median AQI 41, max 84. Bars are shorter in years with fewer monitored days, not necessarily cleaner air.
TRI-Registered Facilities
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.