2022 Treatment Areas

To maintain environmental quality and public health and safety, the Lake St. Clair Cooperative Invasive Species Management Area and various local governments controls invasive plants in several locations around Macomb and St. Clair counties.

For more information on the risks and benefits of using chemical applications and where treatments will take place, see below. Maps highlighting 2022 treatment locations and treatment notices for conducting applications will be added, when information becomes available.

Read about the risks and benefits of herbicide use

Macomb County Road Right-of-Way Treatments

Areas for treatment include sections of Macomb County primary and local roads in Chesterfield, Clinton, Harrison, Shelby, Ray and Washington Townships and the City of Sterling Heights.

View maps of treatment locations

Full text of legal notice of treatment

Download the No treatment zone permit

Macomb County Community Treatment Areas

Clinton Township treatment areas include George George Park and adjacent properties and Civic Center. Washington Township treatment areas include Woodfield Estates, and detention basins on 31 Mile, 28 Mile, and 27 Mile. Links to treatment area maps are below.

Full text of legal notice of treatment


George George Park & Hillcrest

Civic Center

Stark's Pond


27 Mile Detention Basin

28 Mile Detention Basin

31 Mile Sanitary

Woodfield Estates

Red Run & Freedom Hill

2022 Red Run, Freedom Hill, Bethesda Church, Sterling Relief, Consumers Energy treatment area information below

Treatment area map

Full text of legal notice of treatment