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DNRC Headquarters
1539 Eleventh Ave. Helena, MT 59601
Phone: (406) 444-2074 | Fax: (406) 444-2684
Questions? Email us

East Valley

Lewis and Clark County

Reason for Closure: Water Quality


600 EVCGWA Permit Application Use this form for groundwater developments located in the East Valley Controlled Groundwater Area (Zone 2 only) for appropriations up to 35 GPM and 10 AF per year.

EVCGWA Addendum (for 600, 606, and 635 forms) The following supplemental information is required in addition to the application for groundwater appropriations or changes greater than 35 GPM and/or 10 AF within the East Valley Controlled Groundwater Area


East Valley CGWA Maps: