Norman M. Semanko

Norm Semanko joined Moffatt Thomas as an Attorney of Counsel in 2011.  His extensive experience in water resources issues and his working relationships with members of local, state, and federal government and regulatory agencies further bolsters Moffatt Thomas’s expertise in agricultural law, water rights, environmental law, land use, mining, and public lands.

Mr. Semanko is currently Executive Director and General Counsel for the Idaho Water Users Association, Inc., overseeing the day-to-day operations of the association, monitoring current water issues, analyzing federal and state legislation and regulations, advocating in the Idaho State Legislature before Congress, and federal, state, and local agencies, organizing educational seminars and workshops, and supervising staff and interns; providing general legal advice and services to the association, including participation in litigation and other legal matters.

He has also represented individual clients on water law matters before the Idaho Department of Water Resources, Snake River Basin Adjudication Court, and the Idaho Supreme Court.  He has been an Adjunct Professor at Boise State University, where he taught Natural Resource Law and Environmental Health Law.  He was also an Instructor at the College of Southern Idaho in Twin Falls, where he taught Legal Issues in Water Management.

Mr. Semanko previously served on the Eagle City Council, including two terms as President of the council.  He also served as Chairman of the Idaho Republican Party.  He was a member and previously served as General Counsel of the Republican National Committee, was a delegate of the RNC Ethics Committee, and was an elected member of the RNC Budget Committee representing the Western Region.

Mr. Semanko is a graduate of Georgetown University Law Center where he served as Student Bar Association Vice President and was a member of the Craven Constitutional Law Moot Court team.  He also spent a year as a visiting law student at the University of Idaho, where he received his undergraduate degree in political science.

Practice Areas


  • J.D., Georgetown University Law Center, 1993
  • B.S., University of Idaho, 1988


  • Idaho State and Federal Courts

Professional & Civic Activities

  • Idaho Water Users Association, Executive Director and General Counsel
  • Idaho Republican Party, Chairman (2008-2012)
  • Eagle City Council, President (2012-2013)
  • Food Producers of Idaho, President (2010-2012)
  • Eagle Citizen’s Water Committee (2005-2006)
  • National Water Resources Association, President (2005-2007); Association Federal Affairs Committee Chairman (2001-2013); Board of Directors (1999-current); Water & Property Rights Committee Co-Chair
  • Idaho Council on Industry and Environment
  • Coalition for Idaho Water, President (2000-2012)
  • Western States Water Council, appointed by Gov. Kempthorne, reappointed by Gov. Otter (2000-2008)
  • Speaker of the House Newcomb’s Private Property Rights Ad-Hoc Committee
  • Idaho Council on Industry and the Environment, Board of Directors
  • Family Farm Alliance, Advisory Committee (1993-present)
  • Idaho Association of Commerce and Industry, Water Quality and Water Quantity Committees
  • Idaho State Bar (1993-present); Water Law Section, Chairman (1996-1998); Natural Resources & Environment Section, Vice Chairman (1994-1995)
  • Fifth District Bar Association, Chairman (1998-1999)
  • Boise Elevated (2013-present)

Contact Norman M. Semanko

Contact Norman M. Semanko

Moffatt Thomas
101 S. Capitol Blvd.
10th Floor
Boise, Idaho  83702
Phone: 208- 385-5446
Toll Free: 800-422-2889
Fax: 208- 385-5384


Service Area

Services provided in:
  • Ada County, Idaho