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  • AML
  • Air Quality IMPACT Updates
  • Air Quality Monitoring Program
  • Air Quality New Source Review
  • Air Quality Rule Development
  • Air Quality Title V
  • Air Quality Winter Ozone
  • Class VI Wells Carbon Capture
  • Federal Facilities and Formerly Used Defense Sites
  • Harmful Cyanobacterial Blooms
  • Hazardous Waste
  • Hoback Junction Area Investigation
  • Industrial Siting
  • Know Your Well
  • Land Quality
  • Madison Well Field Project
  • Pavillion Palatability Study
  • Solid Waste
  • Storage Tank Program
  • Voluntary Remediation Program/Brownfields/Orphan Sites
  • WATER - General Water Quality Updates
  • WATER - Non Point Source Pollution Program
  • WATER - State Revolving Fund
  • WATER - TMDL
  • WATER - Underground Injection Control
  • WATER - WYPDES
  • Willwood Dam Work Groups
  • Wyoming Nutrient Work Group
  • DEQ News
"Other Test Method" Developed by DEQ Now Published by EPA
The Department of Environmental Quality Hosts Two Open Houses for the Public
DEQ to Hold Open House for Harriman Road Ambient Air Monitoring Station
DEQ to Hold Ambient Air Monitoring Station Open House
2023 Air Quality Division Monitoring Network Plan Released for Public Comment
DEQ to celebrate Air Quality Awareness Week
DEQ Deploys BAM Trailer for Air Quality Monitor in Laramie County
DEQ Adds Mobile Air Quality Monitor in Laramie County
2021 Air Monitoring Network Plan released for public comment
Out for Public Comment: April 28, 2019 Stratospheric Intrusion Exceptional Event Demonstration
Wyoming DEQ releases the 5-year Air Monitoring Network Assessment for public comment
Public Notices: Greylock Production LLC (F017274/A0015245)
Public Notices: Devon Energy Production Company (F026112/A0013958)
Public Notices: EOG Resources, Inc. (F029756/A0014968)
Public Notices: Devon Energy Production Company (F027236/A0013971), (F025969/A0013941), (F025904/A0013944)
Public Notices: North Silo Resources, LLC (F031169/A0015246)
Public Notices: PacifiCorp (F000645/A0015047)
Public Notices: Devon Energy Production Company (F026448/A0013940), (F025775/A0013938), (F028104/A0013933), (F026051/A0013936), (F027754/A0013935) & (F027753/A0013934)
Public Notices: PacifiCorp (F000645/A0015047)
Public Notices: Devon Energy Production Company (F026165/A0013939), (F027322/A0013956), (F028103/A0013930), (F026692/A0013937), (F024780/A0013942), (F027323/A0013957) & (F027213/A0013924)
"Other Test Method" Developed by DEQ Now Published by EPA
Public Notices: Devon Energy Production Company (F027212/A0013898)
Public Notices: Devon Energy Production Company (F026006/A0013966) & (F027651/A0013915)
Public Notices: Devon Energy Production Company (F026261/A0013920)
Public Notices: Samson Exploration, LLC (F031044/A0015347)
Public Notices: Roaring Fork Midstream, LLC (F030149/A0014703)
Public Notices: Anadarko E&P Onshore LLC (F031194/A0015419)
Public Notices: Eighty-Eight Oil, LLC (F024856/A0015430)
Public Notices: Thunder Creek Gas Services, LLC (F031265/A0015404)
Public Notices: Devon Energy Production Company (F027757/A0013899)
Public Notices: ONEOK Elk Creek Pipeline, LLC (F031215/A0015299)
Public Notices: Hilcorp Energy Company (F028858/A0014113)
Public Notices: Anschutz Exploration Corporation (F031255/A0015375)
Public Notices: Devon Energy Production Company (F026436/A0013907)
Public Notices: Ballard Petroleum Holdings, LLC (F029347/A0015190)
Public Notices: Devon Energy Production Company (F027231/A0013923)
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
Title V Draft Permit
DEQ to celebrate Air Quality Awareness Week
DEQ to celebrate Air Quality Awareness Week
UGRB Ozone Outlook for April 15-17, 2023
Extension to UGRB Ozone Outlook: April 9-12, 2023
Ozone Action Day Issued for Tuesday, April 11, 2023
Ozone Action Day Issued for Monday, April 10, 2023
UGRB Ozone Outlook for April 9-11, 2023
UGRB Ozone Outlook for April 6-8, 2023
UGRB Ozone Outlook for March 27-29, 2023
Ozone Action Day Issued for Sunday, March 19, 2023
UGRB Ozone Outlook for March 17-21, 2023
UGRB Ozone Outlook for March 12-14, 2023
Ozone Action Day Issued for Wednesday, March 8, 2023
Ozone Action Day Issued for Tuesday, March 7, 2023
UGRB Ozone Outlook for March 7-10, 2023
UGRB Ozone Outlook for February 16-18, 2023
UGRB Ozone Outlook for February 10-12, 2023
2021 Winter Ozone Season Recap Video
2021 Winter Ozone Season concludes
DEQ Enhances Efforts, Outreach for 2021 Winter Ozone Season
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New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
THE DEQ CONTINUES TO MONITOR HCBs
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
New Harmful Cyanobacterial Bloom (HCB) Recreational Use Advisories
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Public Notice: Notice of Request for a Permit and Hearing Filing Information Before the Wyoming Industrial Siting Council Docket Number DEQ/ISC 22-09
Alan Edwards To Assume Larger Role as DEQ Deputy Director
Public Notice: Review of Request to Amend Rock Creek Wind, LLC’s Permit DEQ/ISC 21-07
Public Notice: Notice of Quarterly Meeting of the Wyoming Industrial Siting Council
Public Notice: Notice of Request for a Permit and Hearing Filing Information Before the Wyoming Industrial Siting Council Docket Number DEQ/ISC 22-06
Public Notice: Review of Request to Amend Roundhouse Renewable Energy, LLC’s Permit DEQ/ISC 18-13
Public Notice: Review of Request to Amend Rock Creek Wind, LLC’s Permit DEQ/ISC 20-07
Public Notice: Notice of Request for a Permit and Hearing Filing Information Before the Wyoming Industrial Siting Council Docket Number DEQ/ISC 22-07
Notice of Permit Renewal Application - Contura Coal West LLC, PT0214, TFN 7 1/176
DEQ Land Quality Division Wraps-up Summer 2023 Intern Program
Notice of Bond Release Application - Peabody Caballo Mining LLC, PT0433, TFN 7 3/169
Notice of Bond Release Application - Peabody Caballo Mining LLC, PT0433, TFN 7 4/176
Notice of Revised Document Available - Coal Annual Report Format - August 2023
Notice of Land Quality Advisory Board Meeting - September 21, 2023, 10:00 a.m. (MST)
Notice of Mine Permit Revision Application - Western Sunset LLC, PT0825, TFN 7 1/162
Informal Conference - Notice of Cancellation
Wyoming Department of Environmental Quality - Notice of Proposed Classification of Groundwater
Notice of Bond Release Application - Spring Gulch Coal Company, PT0211, TFN 7 1/172
Notice of Availability of Objections Received - Coal Permit Term Renewal Application PT0433, Peabody Caballo Mining, LLC
Mine Permit Amendment Application - Genesis Alkali Wyoming LP, PT0335, TFN 7 4/061
DEQ awards annual non-coal reclamation award
Notice of Bond Release Application - Peabody Caballo Mining LLC PT0240 TFN 7 1/164
DEQ Presents Excellence in Coal Mining Reclamation Award
Notice of Revised Guidelines Available for Bond Calculations - 12 and 12A
DEQ Honors Mining Industry in Wyoming
DEQ awards annual non-coal reclamation award to Colony Mine
DEQ awards annual coal reclamation award to Coal Creek Mine
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Proposed Permit - City of Cheyenne Transfer Station
Proposed Permit - Wheatland LH/LV Municipal Solid Waste Transfer Station
North Big Horn Landfill #2 Closure Permit
Municipal Solid Waste Landfill Annual Report Training
Proposed Permit - Byron Landfarm Low Hazard/Low Volume Transfer, Treatment and Storage Facility
Municipal Solid Waste Landfill Annual Report Training
Wyoming DEQ Participates in the Wyoming Solid Waste and Recycling Association Annual Conference
Proposed Permit - HF Sinclair Parco Refining Spent Fluid Cracking Catalyst and Waste Asbestos Landfill
Proposed Permit - HF Sinclair Parco Refining Industrial Waste Landfill #2
Municipal Solid Waste Landfill Annual Report Training Registration Reminder
Proposed Renewal Permit for the Grasslands Industrial Landfill
Municipal Solid Waste Landfill Annual Report Training
Proposed Permit - Wheatland LH/LV Municipal Solid Waste Transfer Station
Complete Permit Renewal Application - City of Cheyenne Transfer Station
Proposed Permit for the Robinson Contracting Mobile Treatment Unit
After the Garbage Can
DEQ To Recognize Solid Waste and Recycling Workers
DEQ Names Public Servant of the Year
Proposed Renewal Permit for the Teton County Waste Transfer Facility
Updated: 2023 Dead Animal Composting Seminars
Proposed Renewal Permit for the Sheridan Landfill - Updated
Proposed Permit - Saratoga LH/LV Transfer Station
Proposed Permit - Dirty Boyz Sanitation LHLV Transfer Station
North Big Horn Closure Permit Public Notice Redo
Municipal Solid Waste Landfill Operator and Manager Training Session Registration Reminder
The Bridger Valley Joint Powers Board (BVJPB) of Mountain View, Wyoming, will conduct a public meeting at 7:00 PM, local time, on October 11th, 2023
DRAFT UIC Permit Renewal: J Bar 9 Ranch, Class V 2023-134
Groundwater to be Featured at Wyoming Water Quality Conference
DEQ Lily Barkau Participates on Panel at New York Climate Week Event
The Bridger Valley Joint Powers Board (BVJPB) of Mountain View, Wyoming, will conduct a public meeting at 7:00 PM, local time, on October 11th, 2023
W&WW, WYPDES Tracks Offered at Wyoming Water Quality Conference
DEQ Celebrates SepticSmart Week
PROPOSED TEMPORARY TURBIDITY INCREASE IN PINE CREEK
The DEQ Announces First Annual Wyoming Water Quality Conference
Water and Waste Advisory Board Meeting
Public Notice Wyoming Department of Environmental Quality Review of Colorado River System Water Quality Standards for Salinity
Notice of Final Adoption of Water Quality Rules Chapter 12
Wyoming Department of Environmental Quality - Notice of Proposed Classification of Groundwater
Wyoming Department of Environmental Quality Issues Permit to Construct at Teton Village Resort
Permit to Construct Issued for Basecamp Teton WY SPV LLC
2023-025 Public Meeting
Water and Waste Advisory Board Meeting
Public Meeting Notice South End Water Users Lane 9 Waterline Extension Project
March 13th is Know Your Well Day
WQD UIC Class V Form Update
Wyoming Environmental Quality Council: Rulemaking Public Comment Period
Update: Wyoming Nonpoint Source Task Force Annual Fall Meeting
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Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam Sediment Mobilization and Shoshone River Flushing Flow
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Fisheries and Sediment Research Presentation
Willwood Dam/Shoshone River Work Group 2 Public Meeting
Willwood Dam/Shoshone River Work Group 2 Public Meeting
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“Other Test Method” Developed by DEQ Now Published by EPA
All Things Groundwater Offered at First Annual Wyoming Water Quality Conference
DEQ Lily Barkau Participates on Panel at New York Climate Week Event
W&WW, WYPDES Tracks Offered at First Annual Wyoming Water Quality Conference
DEQ Land Quality Division Wraps-up Summer 2023 Intern Program 
DEQ Celebrates SepticSmart Week
The Department of Environmental Quality Announces First Annual Wyoming Water Quality Conference  
THE DEQ CONTINUES TO MONITOR HCBs
Wyoming DEQ Participates in the Wyoming Solid Waste and Recycling Association Annual Conference
The Department of Environmental Quality Hosts Two Open Houses for the Public

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