Isabella County has changed to four digit extensions. Please add a 1 to beginning of your party's extension.


Lake Isabella Water System: for after hours emergencies call (989) 773-1000
200 N. Main Street Rm 140
Mt. Pleasan, MI 48858
Phone:(989) 317-4072
Fax:(989) 779-8785
Monday - Friday 8:00 a.m. - 4:30 p.m. Except holidays

About the Drain Commissioner Department

The County Drain Commissioner is elected every four years.

The department operates under Michigan Public Act No. 1956 as amended, with a budget appropriated by the Board of Commissioners from the general fund of the County.

Mission Statement

The mission of the Isabella County Drain Commissioner’s office is to improve and maintain storm water drainage for the public health, safety, convenience and welfare of the Isabella County citizens by using the best management practices for our natural and fiscal resources.

Blueprints construction

Duties & Functions of the Drain Commissioner

  • The Drain Commissioner is responsible for the construction, maintenance, and inspection of County Drains and streams as designated by the drain code.
  • Investigates complaints relative to established County Drains.
  • Determines and spreads drain assessments.
  • Secures right-of-way easements for County Drains.
  • Sets percent and provides for public review for affected landowners and units of government for drain assessments where proceedings require it.
  • Inspects and approves the construction and maintenance of County Drains.
  • Represents county drainage districts in any court proceedings.
  • Issue permits to cross or parallel a County Drain.
  • Quotes pay off information on Drain Assessments.
  • Provides Board of Public Works Information.
  • Storm Water Plan Review Application (fee charged).