The responsibility for the control of noxious weeds is established by
Chapter 317 of the Code of Iowa. The code further defines what a noxious weed is
and the role of the County Weed Commissioner.
Marion County, Iowa - Weed Commissioner
|Marion County Noxious Weed Control
The control of noxious weeds in Marion County requires a cooperative effort of
all property owners in the county. The Board of Supervisors and the County Weed
Commissioner encourage all property owners to become familiar with the various
species of noxious weeds in the state and take the necessary control measures,
during the prime growing season, to control these weeds.
Code of Iowa
The responsibility for the control of noxious weeds is established by Chapter
317 of the Code of Iowa. The code further defines what a noxious weed is and the
role of the County Weed Commissioner.
Chapter 317 of the code can be referenced by clicking here(enter 317 and
click on the Submit button).
The code requires each property owner to control the noxious weeds that may be
on their property (317.10).
Noxious weed Identification
In order to improve the identification of noxious weeds the following web sites
are available for you reference.
Noxious weeds of Iowa
Midwest Invasive Plant Network
Invasive Plants of the Future
Notice of weed control program in the Right of Way
The following is the notice published in the newspaper in 2007. A similar notice
will be published each year.
COUNTY WEED PROGRAM
The Marion County Weed Program for 2007 will consist of proper and timely
eradication of weeds, lawfully designated as noxious, by all owners of land in
Marion County. Persons wishing information, advice, or to report a violation,
Marion County Engineer’s Office
402 Willetts Dr.
Knoxville, Iowa 50138
Canada thistle should be cut by June 15th. All other thistle should be cut by
July 1st. If eradication is by spraying, application should be one week prior to
The roadside weed control program by the Secondary Road Department for 2007
consist of spot treatment or cutting of roadsides at locations deemed necessary
for control of brush and weeds. This operation will be conducted during the
months of June and July for weeds and during the entire year for brush.
Property owners who desire that ground treatment with herbicides or brush
cutting by machine not be conducted by the County adjacent to their property,
should secure an annual permit from the County Engineer for Resident Control of
Brush In The Right-Of-Way. Application for the cost-free permit can be made at
the County Engineer’s Office at 402 Willetts Drive. Call (641) 828-2225 for
Marion County Board of Supervisors
Your cooperation in controlling noxious weeds in Marion County will help the
county be a better place to live, work and enjoy our outdoor recreation.
Department Head Name:
Address of Weed Commissioner's office:
402 Willetts Drive
Knoxville Iowa 50138
Hours Office is open:
Monday - Friday
7:00 A.M - 3:30 P.M.
David McKinney Sr.
Weed Commissioner's Forms:
used in the Weed Commissioner's office
Weed Commissioner's Links:
Weed Identification Resource
Other Related Links:
Iowa Department of
Iowa Department of Agriculture and Land Stewardship