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DNRC Headquarters
1539 Eleventh Ave. Helena, MT 59601
Phone: (406) 444-2074 | Fax: (406) 444-2684
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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 the Horse Creek Controlled Groundwater Area for the three months ending August 31 is -0.68.  Watering restrictions are not 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)