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Contact Us

Please click on one of the topics below to contact someone within the Division.

Position Contact Telephone
Reception Area   (406) 841-5000
Division Administrator Sandra Olsen (406) 841-5001
Public Information Officer Mary Ann Dunwell (406) 841-5016
Fiscal Officer Sherry Blair (406) 841-5011
Hazardous Waste Bureau Mike Trombetta (406) 841-5045
  • Site Response Section
Denise Martin (406) 841-5060
  • LUST Trust/Brownfields Section
Jeff Kuhn (406) 841-5055
  • Petroleum Technical Section
Rebecca Ridenour (406) 841-5059
Abandoned Mines Bureau John Koerth (406) 841-5026
Federal Superfund Bureau Larry Scusa (406) 841-5035
  • Construction Services Section
Joel Chavez (406) 841-5031

Project/Site contact information is available as a PDF or MS Excel file. Both files have been sorted as follows:

  1. County

  2. City

  3. Site Category (e.g., State Superfund)

  4. Site Name

Headquarters:
1100 N. Last Chance Gulch
Helena, MT 59601
 
Mailing Address:
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 841-5000

Directions


Kalispell Office
655 Timberwolf, Suite #3
Kalispell, MT 59901
Phone: (406) 755-8985

Directions

Billings Office
Airport Business Park IP-9
1371 Rimtop Drive
Billings, MT 59105-9702
Phone: (406) 247-4445

Directions