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DNRC Headquarters
1539 Eleventh Ave. Helena, MT 59601
Questions? Email us

Reports & Technical Information

The Hydro Sciences Section provides technical expertise to hydrologic studies and water management issues throughout Montana. Hydrologists collaborate with DNRC regional office colleagues and with other State and Federal agency partners.

Clark Fork / Kootenai River Basins

Surface Water Information

Ground Water Information

Lower Missouri River Basin

Surface Water Information

Upper Missouri River Basin

Ground Water Information

Yellowstone River Basin

Surface Water Information

Ground Water Information

Controlled Ground Water Areas of Montana


2020 Water Commissioner Training
has been canceled.

To minimize the potential spread of COVID-19
Water Commissioner Trainings scheduled for April have been canceled.

Please Check Back for Additional Information 

Water Supply Planning Guide for MT Municipalities


DNRC Stream Gage Program


CSKT-Montana Compact vs. CSKT Claims

CSKT-Montana Compact vs. CSKT Claims.JPG
CSKT Story Map

The Story of Montana's Reserved Water Right Compacts

RWRCC Compacts Story Map.JPG
Compact Story Map