- Michigan Drain Code (follow this link and type “Drain Code” into the MCL Key Word Search).
- Ionia County Guidelines for Stormwater Management
- Ionia County 433 Agreement
- Michigan Land Division Act (follow this link and type “Land Division Act” into the MCL Key Word Search).
- Michigan Association of County Drain Commissioners (MACDC)
- Michigan Department of Transportation (MDOT)
- Michigan Department of Environmental Quality (DEQ)