DNRC's Water Sciences Bureau supports local and state-wide water resource management decisions by providing high quality and accurate real-time surface, groundwater, and reservoir monitoring data, conducting technical analysis of water right applications, conducting surface and groundwater hydrologic assessments, conducting water availability studies, and training court appointed water commissioners in water measurement.

Meet Our Team

Person flying drone

Jake Mohrmann
Water Sciences Bureau Chief
Helena, MT
Ph: 406.444.7022
Email: Jacob.mohrmann@mt.gov

Person standing in water
Matt Norberg
Data Section Supervisor
Helena, MT
Ph: 406.444.6041
Email: MNorberg@mt.gov
Person standing in water
Todd Blythe
Surface Water Section Supervisor
Billings, MT
Ph: 406.247.4415
Woman standing in water
Melissa Brickl
Groundwater Section Supervisor
Kalispell, MT
Ph: 406.437.4025
Person standing in water

John Lunzer
Hydrologist
Helena, MT

Ph: 406.444.0504
Email: John.Lunzer@mt.gov

Person standing
Troy Lechman
Hydrologist
Helena, MT
Ph: 406.444.9755
Email: TLechman@mt.gov
Person measuring water in a well
Jack Landers
Groundwater Hydrologist
Helena, MT
Ph: 406.444.7020
Email: Jack.Landers@mt.gov
Person standing near groundwater well
Evan Norman
Groundwater Hydrologist
Helena, MT
Ph: 406.444.6641
Email: Evan.Norman@mt.gov
Picture of woman on bridge
Kaitlin Boren
Hydrologist
Helena, MT
Ph: 406.444.6648
Email: Kaitlin.Boren@mt.gov
Imagine of person
Ryan Koehnlein
Hydrologic Technician
Helena, MT
Ph: 406.444.1307
Email: Ryan.Koehnlein2@mt.gov
Man standing by canal

David Saba
Hydrologist

Helena, MT
Ph: 406.444.6626
Email: David.Saba@mt.gov

Woman standing by well

Kim Bolhuis
Groundwater Hydrologist
Helena, MT
Ph: 406.444.6183
Email: Kimberly.Bolhuis@mt.gov

Woman standing in water

Raeya Gordon
Hydrologic Technician
Helena, MT
Email: Raeya.Gordon@mt.gov 

Woman standing by GPS

Maddie McKeefry
Groundwater Hydrologist
Helena, MT
Ph: 406.444.6635
Email: Madeline.Mckeefry@mt.gov 

 

Woman standing in forest

 Hannah Haugen
Geospatial Data Scientist
Helena, MT
Email: Hannah.Haugen@mt.gov

Man standing in stream

Chris Basden
Hydrologic Technician
Helena, MT
Email: Christopher.Basden@mt.gov  

Woman with mountains
Diane Wagner
Hydrologist
Helena, MT
Email: Diane.Wagner@mt.gov
Woman in stream
Ashley Peterson
Hydrologic Technician
Helena, MT
Email: Ashley.Peterson@mt.gov
Another Man in Stream
Brady Grigsby
Hydrologic Technician
Helena, MT
Email: Brady.Grigsby@mt.gov