Weed & Pest

Duties of the Supervisor

The Weed and Pest Supervisor’s job is to control all state and local noxious weeds, respond to infestation complaints, and control noxious weeds on county, state, and interstate roads, right-of-ways, and other easements.

Weed & Pest Department Responsibilities

  • Collect leafy spurge beetles
  • Control noxious weeds
  • Control pocket gophers
  • File records, bills
  • Maintain equipment
  • Maintain spraying licensing

State Noxious Weeds/Declared Pests

  • Canada Thistle
  • Leafy Spurge
  • Perennial Sowthistle
  • Hoary Cress
  • Salt Cedar
  • Purple Loosestrife
  • Absinth Wormwood
  • Gypsy Moth

Local Noxious Weeds

  • Musk Thistle
  • Plumeles Thistle
  • Bull Thistle

Brookings County Weed & Pest Department to Offer Mosquito Spraying

The Brookings County Weed & Pest Department will be offering mosquito spraying for Brookings County residents at a cost of $50 to $100, depending on the size of the area needing to be sprayed.

Residents must complete an application and waiver form that includes pre-payment. One week’s notice is also required. The Application and Waiver can be found here or can be obtained by calling the Brookings County Weed & Pest Department at 605-696-8352.

Any questions can be directed to Brookings County Weed & Pest Supervisor Misty Moser at 605-696-8352.

Spray Notification

Misty Moser Brookings County Weed & Pest Supervisor (605)696-8352

 The Brookings County Weed and Pest Department will be spraying State, County, and Township Road ditches this spring and summer starting in May. The County will be spraying products such as 2,4-D, Grazon PD3. Depending on the product and rate there will be haying restrictions from zero to thirty days. If you are haying roadsides and want information regarding haying restrictions at that location or have other questions, please call the Brookings County Weed and Pest Office for more information. Please have the legal description of the property ready so information is correct for the location requested.

Brookings County is an Affirmative Action/Equal Opportunity Employer and offers all benefits, services, education, and employment opportunities without regard for race, color, creed, religion, national origin, ancestry, citizenship, age, gender, sexual orientation, disability, or Vietnam Era veteran status

Misty Moser Brookings County Weed & Pest Supervisor


    NOTICE IS HEREBY GIVEN this __16_____ day of  March, _2023__ pursuant to SDCL 38-22 as amended to all owners, occupants, agents and public officials in charge of lands in _Brookings___ County, South Dakota, that they are responsible for the suppression, control, and eradication of noxious weeds and declared pests infestations that may exist on such lands.

    Chemical, biological, and / or cultural control methods used for the suppression, control and eradication of noxious weed and declared pest infestations shall be those approved for such purposes by the __Brookings__ County Weed and Pest Supervisor, Agronomy Weed Field Specialist or the South Dakota State University Experiment Station.

    Upon failure to observe this notice, the county weed and pest board is required to proceed pursuant to the law and have the noxious weeds or declared pests destroyed by such methods as they may find necessary, the expense of which shall constitute a lien and be entered as a tax against the land, and be collected as other real estate taxes are collected, or by other means as provided by law.

    Plant and animals designated as being noxious weeds and declared pests in the state of South Dakota are Absinth Wormwood, Canada Thistle, Hoary Cress, Leafy Spurge, Perennial Sow Thistle, Purple Loosestrife, Salt Cedar, and Gypsy Moth.

    In addition, _Bull Thistle___, _Musk Thistle__, _Plumeless Thistle_____,  have been approved by the South Dakota Weed and Pest Control Commission as locally _Noxious Weeds__ (indicate noxious weed or declared pest) are subject to the same suppression, control and eradication requirements as the before mentioned plants and animals. 

    NOTICE IS HEREBY GIVEN that upon establishing probable cause to believe a noxious weed or declared pest infestation exists upon any property in _Brookings _  County, a representative of the _Brookings__ County Weed and Pest Control board will enter upon said property for the purpose of inspecting and confirming that such infestation actually exists.