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58 Results

Lost Springs 29-32 PAD (F029074/A0018013)

Permit: P0040007
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Hornbeck Draw Unit 20-36-73 A 1H (F029195/A0018051)

Permit: P0040057
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Hornbeck Draw Unit 36-74 34-1MH (029193/A0018044)

Permit: P0040058
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Spillman Draw Unit 35-73 17-1H Pad (F024018/A0018050)

Permit: P0040056
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Spillman Draw Unit 35-73 15-1H (F024144/A0018038)

Permit: P0040055
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Allemand Fed & Muirfield Fed 3974 Pad (F025763/A0018002)

Permit: P0039991
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Spillman Draw Unit 36-73 36-1H (F024644/A0018019)

Permit: P0040054
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Jul 18, 2025 05:00 PM (US/Mountain)
Mine No. 248C - Sagewood Amendment (F032220/A0018069)

Permit: P0040033
- Type: Permit
- County: Natrona
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Jensen 5-11 (F013148/A0012399)

Permit: P0040052
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Warbonnet 3-14 (F022939/A0017690)

Permit: P0040020
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Warbonnet 7-5 (F019288/A0016675)

Permit: P0040004
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Riverside 13-12 (F017421/A0017101)

Permit: P0040005
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Green River Works (F000361/A0016112)

Permit: P0037537
- Type: Permit
- County: Sweetwater
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Microsoft Cheyenne Data Center CYS17 - CYS22 (F030348/A0017404)

Permit: P0039855
- Type: Permit
- County: Laramie
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Vermillion Gas Plant (F001872/A0018123)

Permit: P0040098
- Type: Permit
- County: Sweetwater
- Status: Open for Comment
- Division: Air Quality
Due: Jul 21, 2025 05:00 PM (US/Mountain)
Draft WYPDES Permit: Meadow Park Village HOA, Meadow Park Village WWTF, WY0031348

Permit: WY0031348
- Type: Permit
- County: Uinta
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: TA Operating LLC/Travel Centers of America, Ft. Bridger Travel Stop #188, WY0036153

Permit: WY0036153
- Type: Permit
- County: Uinta
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: Vaquero Big Horn, Frannie P-T Unit Battery #1, WY0026867

Permit: WY0026867
- Type: Permit
- County: Park
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit Termination: Axia Energy III, Federal 1-11 Well, WY0094650

Permit: WY0094650
- Type: Permit
- County: Niobrara
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit Termination: PGC, PGC 35-1, WY0094552

Permit: WY0094552
- Type: Permit
- County: Niobrara
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit Termination: Wesco Operating, Dubois Field, WY0000795

Permit: WY0000795
- Type: Permit
- County: Fremont
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit Modification: General Permit, WYG320000

Permit: WYG320000
- Type: Permit
- County: Statewide
- Status: Open for Comment
- Division: Water Quality
Due: Jul 21, 2025 11:59 PM (US/Mountain)
PROPOSED TURBIDITY WAIVER SOUTH PINEY CREEK

Permit: 2025-0707
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Water Quality
Due: Jul 24, 2025 05:00 PM (US/Mountain)
Bryant Funeral Home (F032230/A0018124)

Permit: P0040073
- Type: Permit
- County: Washakie
- Status: Open for Comment
- Division: Air Quality
Due: Jul 28, 2025 05:00 PM (US/Mountain)
Portable Compressor Engines (F028020/A0018087)

Permit: P0040077
- Type: Permit
- County: Sweetwater, Carbon
- Status: Open for Comment
- Division: Air Quality
Due: Jul 28, 2025 05:00 PM (US/Mountain)
Draft Renewal Operating Permit for the Sand Draw Landfill

Permit: P0036748
- Type: Permit
- County: Fremont
- Status: Open for Comment
- Division: Air Quality
Due: Jul 28, 2025 05:00 PM (US/Mountain)
PROPOSED TEMPORARY TURBIDITY INCREASE IN THE YELLOWSTONE RIVER AND LOST CREEK
- Type: N/A
- County: N/A
- Status: Open for Comment
- Division: Water Quality
Due: Jul 31, 2025 05:00 PM (US/Mountain)
SDU Tillard 02-3771 Pad 1 (F032236/A0018167)

Permit: P0040104
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 01, 2025 05:00 PM (US/Mountain)
Draft Renewal Operating Permit for the Cheyenne Sanitary Landfill #1

Permit: P0037045
- Type: Permit
- County: Laramie
- Status: Open for Comment
- Division: Air Quality
Due: Aug 01, 2025 05:00 PM (US/Mountain)
Categorical Exclusion Determination, Town of Moorcroft, WY CATEX Lead Service Line Replacement
- Type: Special Project
- County: Crook
- Status: Open for Comment
- Division: Water Quality
Due: Aug 02, 2025 05:00 PM (US/Mountain)
Categorical Exclusion Determination, Pine Haven, WY Lead Service Line Replacement
- Type: Special Project
- County: N/A
- Status: Open for Comment
- Division: Water Quality
Due: Aug 02, 2025 05:00 PM (US/Mountain)
Warbonnet 15-5 (F016720/A0014796)

Permit: P0040035
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Aug 04, 2025 05:00 PM (US/Mountain)
Mine No. 339C - Mayoworth Amendment (F032234/A0018155)

Permit: P0040096
- Type: Permit
- County: Johnson
- Status: Open for Comment
- Division: Air Quality
Due: Aug 04, 2025 05:00 PM (US/Mountain)
Big Island Mine & Refinery (F000637/A0017801)

Permit: P0040075
- Type: Permit
- County: Sweetwater
- Status: Open for Comment
- Division: Air Quality
Due: Aug 04, 2025 05:00 PM (US/Mountain)
Lizzy (F031376/A0018023)

Permit: P0040078
- Type: Permit
- County: Campbell
- Status: Open for Comment
- Division: Air Quality
Due: Aug 07, 2025 05:00 PM (US/Mountain)
Lightning Creek Compressor Station (F027972/A0018159)

Permit: P0040103
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 08, 2025 05:00 PM (US/Mountain)
Smith Creek Unit 6-32-70 A PAD (F026411/A0018088)

Permit: P0040086
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 08, 2025 05:00 PM (US/Mountain)
Rex (F029275/A0018104)

Permit: P0040085
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 08, 2025 05:00 PM (US/Mountain)
Boomer (F029304/A0018146)

Permit: P0040102
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 08, 2025 05:00 PM (US/Mountain)
Tucker (F030029/A0018151)

Permit: P0040106
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Air Quality
Due: Aug 08, 2025 05:00 PM (US/Mountain)
Permit Revision Application - McMurry Ready-Mix Co., PT0776, TFN 7 3/184
- Type: Permit
- County: N/A
- Status: Open for Comment
- Division: Land Quality
Due: Aug 10, 2025 05:00 PM (US/Mountain)
Warbonnet 7-5 (F019288/A0016675)

Permit: P0040004
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Aug 11, 2025 05:00 PM (US/Mountain)
Draft UIC Permit Renewal, Underground Injection Control, Green Creek Inn, Class V, 2024-0046

Permit: 2024-0046
- Type: Permit
- County: Park
- Status: Open for Comment
- Division: Water Quality
Due: Aug 11, 2025 05:00 PM (US/Mountain)
Barrel Springs 33 Pad (F032084/A0018073)

Permit: P0040093
- Type: Permit
- County: N/A
- Status: Open for Comment
- Division: Air Quality
Due: Aug 11, 2025 05:00 PM (US/Mountain)
Cutter Gas Plant (F032165/A0017818)

Permit: P0039933
- Type: Permit
- County: Campbell
- Status: Open for Comment
- Division: Air Quality
Due: Aug 11, 2025 05:00 PM (US/Mountain)
Categorical Exclusion Determination (CATEX), Town of Pavillion, WY Pavillion No. 9 Project
- Type: Special Project
- County: Fremont
- Status: Open for Comment
- Division: Water Quality
Due: Aug 11, 2025 05:00 PM (US/Mountain)
Categorical Exclusion Determination (CATEX), Town of Edgerton, WY Lead Service Line Replacement
- Type: N/A
- County: Natrona
- Status: Open for Comment
- Division: Water Quality
Due: Aug 12, 2025 05:00 PM (US/Mountain)
JC Pierre Federal 14-5-8 43-76BH (F026313/A0018101)

Permit: P0040087
- Type: Permit
- County: Johnson
- Status: Open for Comment
- Division: Air Quality
Due: Aug 18, 2025 05:00 PM (US/Mountain)
Warbonnet 9-15 (F015937/A0018006)

Permit: P0040109
- Type: Permit
- County: Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Aug 18, 2025 05:00 PM (US/Mountain)
Hanover Canal Battery/Hanover Canal #1 (F025236/A0016981)

Permit: P0040031
- Type: Permit
- County: Washakie
- Status: Open for Comment
- Division: Air Quality
Due: Aug 18, 2025 05:00 PM (US/Mountain)
Draft WYPDES Permit: Carbon Creek Energy, Dead Horse Creek, WY0052299

Permit: WY0052299
- Type: Permit
- County: Campbell
- Status: Open for Comment
- Division: Water Quality
Due: Aug 18, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: Pilot Company, Pilot Travel Center No. 141, WY0041084

Permit: WY0041084
- Type: Permit
- County: Uinta
- Status: Open for Comment
- Division: Water Quality
Due: Aug 18, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: Wyoming Refining Company, Newcastle Refinery, WY0001163

Permit: WY0001163
- Type: Permit
- County: Weston
- Status: Open for Comment
- Division: Water Quality
Due: Aug 18, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: Town of Glenrock, Glenrock Wastewater Lagoon, WY0020630

Permit: WY0020630
- Type: Permit
- County: Converse
- Status: Open for Comment
- Division: Water Quality
Due: Aug 18, 2025 11:59 PM (US/Mountain)
Draft WYPDES Permit: City of Green River, Green River Wastewater Treatment Plant, WY0020443
- Type: Permit
- County: Sweetwater
- Status: Open for Comment
- Division: Water Quality
Due: Aug 18, 2025 11:59 PM (US/Mountain)
Bond Release Application - Thunder Basin Coal Co., PT0233, TFN 7 5/267

Permit: PT0233
- Type: Permit
- County: N/A
- Status: Open for Comment
- Division: Land Quality
Due: Aug 21, 2025 05:00 PM (US/Mountain)
Water Quality Rules Chapter 28 (EQC 25-3102 9/17/25)
- Type: Rulemaking
- County: N/A
- Status: Open for Comment
- Division: Water Quality
Due: Aug 25, 2025 05:00 PM (US/Mountain)
UGRB Ozone Nonattainment Area Request for Redesignation - Public Input
- Type: N/A
- County: Sweetwater, Lincoln, Sublette
- Status: Open for Comment
- Division: Air Quality
Due: Dec 31, 2026 11:59 PM (US/Mountain)

Lost Springs 29-32 PAD (F029074/A0018013)

Permit: P0040007

Hornbeck Draw Unit 20-36-73 A 1H (F029195/A0018051)

Permit: P0040057

Hornbeck Draw Unit 36-74 34-1MH (029193/A0018044)

Permit: P0040058

Spillman Draw Unit 35-73 17-1H Pad (F024018/A0018050)

Permit: P0040056

Spillman Draw Unit 35-73 15-1H (F024144/A0018038)

Permit: P0040055

Allemand Fed & Muirfield Fed 3974 Pad (F025763/A0018002)

Permit: P0039991

Spillman Draw Unit 36-73 36-1H (F024644/A0018019)

Permit: P0040054

Mine No. 248C - Sagewood Amendment (F032220/A0018069)

Permit: P0040033

Jensen 5-11 (F013148/A0012399)

Permit: P0040052

Warbonnet 3-14 (F022939/A0017690)

Permit: P0040020

Warbonnet 7-5 (F019288/A0016675)

Permit: P0040004

Riverside 13-12 (F017421/A0017101)

Permit: P0040005

Green River Works (F000361/A0016112)

Permit: P0037537

Microsoft Cheyenne Data Center CYS17 - CYS22 (F030348/A0017404)

Permit: P0039855

Vermillion Gas Plant (F001872/A0018123)

Permit: P0040098

Draft WYPDES Permit: Meadow Park Village HOA, Meadow Park Village WWTF, WY0031348

Permit: WY0031348

Draft WYPDES Permit: TA Operating LLC/Travel Centers of America, Ft. Bridger Travel Stop #188, WY0036153

Permit: WY0036153

Draft WYPDES Permit: Vaquero Big Horn, Frannie P-T Unit Battery #1, WY0026867

Permit: WY0026867

Draft WYPDES Permit Termination: Axia Energy III, Federal 1-11 Well, WY0094650

Permit: WY0094650

Draft WYPDES Permit Termination: PGC, PGC 35-1, WY0094552

Permit: WY0094552

Draft WYPDES Permit Termination: Wesco Operating, Dubois Field, WY0000795

Permit: WY0000795

Draft WYPDES Permit Modification: General Permit, WYG320000

Permit: WYG320000

PROPOSED TURBIDITY WAIVER SOUTH PINEY CREEK

Permit: 2025-0707

Bryant Funeral Home (F032230/A0018124)

Permit: P0040073

Portable Compressor Engines (F028020/A0018087)

Permit: P0040077

Draft Renewal Operating Permit for the Sand Draw Landfill

Permit: P0036748

PROPOSED TEMPORARY TURBIDITY INCREASE IN THE YELLOWSTONE RIVER AND LOST CREEK

SDU Tillard 02-3771 Pad 1 (F032236/A0018167)

Permit: P0040104

Draft Renewal Operating Permit for the Cheyenne Sanitary Landfill #1

Permit: P0037045

Categorical Exclusion Determination, Town of Moorcroft, WY CATEX Lead Service Line Replacement

Categorical Exclusion Determination, Pine Haven, WY Lead Service Line Replacement

Warbonnet 15-5 (F016720/A0014796)

Permit: P0040035

Mine No. 339C - Mayoworth Amendment (F032234/A0018155)

Permit: P0040096

Big Island Mine & Refinery (F000637/A0017801)

Permit: P0040075

Lizzy (F031376/A0018023)

Permit: P0040078

Lightning Creek Compressor Station (F027972/A0018159)

Permit: P0040103

Smith Creek Unit 6-32-70 A PAD (F026411/A0018088)

Permit: P0040086

Rex (F029275/A0018104)

Permit: P0040085

Boomer (F029304/A0018146)

Permit: P0040102

Tucker (F030029/A0018151)

Permit: P0040106

Permit Revision Application - McMurry Ready-Mix Co., PT0776, TFN 7 3/184

Warbonnet 7-5 (F019288/A0016675)

Permit: P0040004