SupervisorStop Thistles Now
Steve Molengraaf

Codington County Extension
1910 W Kemp Ave
Watertown, SD 57201

Weed Shed Building
1221 10th St. NW
Watertown, SD 57201

Phone (605)882-5386 Office – Seasonal, April 1 – October 30
Phone (605)882-6300 Alternate Number
Email Email Weed/Pest Department

Hours of Operation 8:00 A.M. to 4:30 P.M.

The Weed and Pest Superintendent’s job is to control all state and local noxious weeds; respond to infestation complaints; input and recommend control measures; and control noxious weeds on county, state, and interstate roads, right-of-ways, and other easements. Distribute flea beetles for the control of leafy spurge and mapping the distribution.

State Noxious Weeds

Canada Thistle

Leafy Spurge

Perennial Sowthistle

Hoary Cress

Salt Cedar

Purple Loosestrife

Russian Knapweed

Local Noxious

Musk Thistle

Plumeless  Thistle

Absinth Worm Wood

Bull Thistle

Public Notices

Spray Notification

Notice of Responsibility to Control Noxious Weeds and Declared Pests – 2016



Weed Board Members

Jim Thyen

Bret Henricks

Arlen Boehnke

Chris Coplan

Jon Kahnke

Jay DeLange

Liaison – Tyler McElhany

Helpful Links

South Dakota Weed & Pest

SDSU Weed Management

SD Department of Agriculture

iGrow Noxious Weed Control