Personal tools

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

Horse Creek

Stillwater County

Reason for Closure: Water Quantity

  • Restrictions: Ground water appropriations by permit only. See Final Order for specific restrictions/details.

Horse Creek Controlled Groundwater Area Rules

Horse Creek CGWA Map

Lawn and Garden
Water use for lawn and garden irrigation under all water rights issued after the effective date of this rule that do not have mitigation will be discontinued when the three-month standard precipitation index (SPI) is less than or equal to -1.  *The SPI for the preceding 3 months will be posted as soon as it is available. 

    • The SPI for Horse Creek is -1.00 based on mean precip. for months with less than full data.  Watering restrictions ARE in place.


    602-HCCGWA Notice of Completion of Ground Water Development – Horse Creek Controlled Groundwater Area

    For a completed groundwater well or developed spring in the HCCGWA where the water has been put to domestic, lawn & garden, and/or stock use with a maximum use of 35 GPM not to exceed 1 AC-FT per year.  (If use exceeds 35 GPM or 1 AF/year or is for another purpose, file a Form 600, Application for Beneficial Water Use Permit.)

    Horse Creek CGWA Parent Tract Memo

    Ground Water Conditions at the Horse Creek Temporary Controlled Ground Water Area Report

    Notice of Adoption (01/03/2012)

    MAR Notice  (11/27/2011)

    Hearing Notice  (11/17/2011)


    (PDF file links viewable with Acrobat Reader)