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Underground Injection Control (UIC)
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Underground Injection Control National Technical Workgroup Members

Provided in the table below are the names and contact information for current Underground Injection Control (UIC) National Technical Workgroup (NTW) members.

Review the NTW's charter to learn more about their general operating principles.

State and Federal National Technical Workgroup Members - Updated February 2023
Region/State Lead Member Alternate Member
1

Stafford Madison

(madison.stafford@epa.gov)

 
2

Harper Stanfield

(stanfield.harper@epa.gov)

 
3

Kevin Rowsey 

(rowsey.kevin@epa.gov)

Dave Rectenwald

(rectenwald.dave@epa.gov)

4

Jason B. Meadows, Chair

(meadows.jasonb@epa.gov)

Larry Cole 

(cole.larry@epa.gov)

5

Felicia Chase, Co-Chair

(chase.felicia@epa.gov)

Janette Hansen 

(hansen.janette@epa.gov)

6

Brody Friesenhahn

(friesenhahn.brody@epa.gov)

Ian Ussery

(ussery.ian@epa.gov)

7

Ben Meissner

(meissner.benjamin@epa.gov)

Marina Mahler

(mahler.marina@epa.gov)

8

Wendy Cheung

(cheung.wendy@epa.gov)

Rick Arnold

(arnold.rick@epa.gov)

9

Abigail Farrell

(farrell.abigail@epa.gov)

10

Evan Osborne

(osborne.evan@epa.gov)

James Robinson

(robinson.james@epa.gov)

EPA Headquarters

Bill Bates

(bates.william@epa.gov)

Jeff Jollie 

(jollie.jeff@epa.gov)

Colin Dyroff

(dyroff.colin@epa.gov)

Colorado

John Morgan, Colorado Oil and Gas Conservation Commission 

(john.morgan@state.co.us)

 
Florida 

James Dodson, Florida Department of Environmental Protection

(james.dodson@floridadep.gov)

 
Ohio 

Lindsay Taliaferro, Ohio Environmental Protection Agency 

(lindsay.taliaferro@epa.state.oh.us) 

 
Oklahoma 

Saba Tahmassebi, Oklahoma Department of Environmental Quality

(saba.tahmassebi@deq.ok.gov)

 
Texas  

Richard Heitzenrater, Texas Commission on Environmental Quality

(richard.heitzenrater@tceq.texas.gov)

 
  • Underground Injection Control Home
  • Class I Industrial and Municipal Waste Disposal Wells
  • Class II Oil and Gas Related Injection Wells
  • Class III Injection Wells for Solution Mining
  • Class IV Shallow Hazardous and Radioactive Injection Wells
  • Class V Wells for Injection of Non-Hazardous Fluids into or Above Underground Sources of Drinking Water
  • Class VI Wells Used for Geologic Sequestration of CO2
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 16, 2023
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