MI SB1090

Prohibits drain commissioners and drainage boards from performing drain maintenance if all property subject to assessment was assessed for maintenance work at the same location within the past 3 years, unless an emergency condition exists that endangers public health or property.

Allows drain commissioners and boards to inspect drains established under the act and to inspect upon request of governing bodies of public corporations served by the drain.

Clarifies procedures for petitions requesting county and intercounty drain work, including cleaning, widening, deepening, tiling, extending, installing structures or mechanical devices, supplementing with relief drains, and adding branches to drains.

Requires drain commissioners or drainage boards to mail notice to property owners at least 7 days before entering property for excavation or tree removal under the drain code.

Establishes that assessments for emergency drain maintenance performed within 3 years of previous maintenance at the same location cannot be levied until the year after the previous assessment or final installment becomes payable.