2021 Macomb Co. ROW Phragmites Treatment Program

Lake St. Clair Cooperative Invasive Species Management Area (LSC CISMA)

The Lake St. Clair Cooperative Invasive Species Management Area is a collaborative effort to enhance ecosystem functions and enrich ecosystem services through invasive species prevention, detection, management, and outreach in Macomb and St. Clair counties of Michigan.

Legal Notice Phragmites Control Planned Along Major Macomb County Roads

Invasive species in Clinton Township

Clinton Township participates in the annual Macomb County Road Right-of-Way (ROW) Phragmites Treatment Program to eradicate invasive plant species.

What are invasive species?

Invasive species are organisms that are not native and whose introduction causes harm, or is likely to cause harm to Michigan’s economy, environment, wildlife, and/ or human health.

Which species are priorities?

The LSC CISMA prioritizes invasive species with high potential for negative impacts. These include: invasive Phragmites, Black Swallow-wort, Pale Swallow-wort, Japanese knotweed, Giant knotweed, European frog bit, and Flowering rush.

 Also on the state invasive species watch list are Spotted Lanternfly, Red Swamp Crayfish, and Water Lettuce.

See LSC CISMA's full list of priority invasive species for Macomb and St. Clair counties.

Learn more about Michigan Invasive Species.

Phragmites invasive plant

Spraying in Clinton Township

When and where will our ROWs be sprayed?
  • To maintain public health and safety, the Lake St. Clair CISMA, Macomb County Department of Roads, and various local governments will be treating invasive plants along Macomb County road right-of-ways starting August 30, 2021. For more information on treatment locations, no treatment zone permits, and more, see below. 
  • Map of Phragmites along Township ROWs