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Custer County Montana

Welcome to the Official website for Custer County Montana

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Custer County Montana Floodplain and Planning

Environmental Health

Contact Information

Joshua Juarez – EMAIL
(406) 850-4544

The Environmental Health department in Custer County encompasses Sanitarian, DEQ Liaison services at this time.

County Services

  • on site wastewater

County and State Department of Environmental Quality

  • subdivision: sanitation review
  • stormwater
  • solid waste
  • junk vehicle

Onsite Wastewater Systems: Documents & Forms

  • Custer County Wastewater Regulations
  • Wastewater Application
  • Onsite Application – Fillable
  • Subsurface Wastewater Treatment System Certified Installer Report Form
  • Subdivisions On-Site Subsurface Wastewater Treatment Minimum Standards
  • DEQ – Circular 4 – Montana Standards for Subsurface Wastewater Treatment Systems

Food & Consumer Safety: Documents & Forms

Please visit the Montana Department of Public Health and Human Services website for more information about the following list of Food and Consumer Safety requirements for Montana.

  • public accommodations
  • trailer courts
  • food establishments
  • day care
  • tattooing
  • body piercing
  • Cottage Foods
  • farmers market

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Official Seal for Custer County, Montana
Since February 16, 1877

All County Departments

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  • Treasurer
  • Weed Management

Resources

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Recent Posts

  • Land Use
  • Public Hearing: July 16, 2025
  • Public Meeting
  • July 2025
  • Caprock Road 143
  • Mizpah Bridge

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Custer County, MT

We are the 10th largest county in the state of Montana.

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