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South Dakota Statewide Rule

South Dakota Noxious Weed Control Duty

Some RestrictionsApplies statewide across South Dakota (2026)

Key Facts

Owner duty
Meet board's remedial requirements at own cost
Enforced by
County weed and pest board
Notice period
Certified-mail resolution sets the deadline
Cost recovery
Billed, then charged as delinquent taxes
Penalty
Up to $500 after 3 years' noncompliance
Statute
SDCL 38-22-23.13, 38-22-23.14, 38-22-23.17
Admin fee
$50 or 10% of control cost
Listed weeds
Canada thistle, leafy spurge, absinth wormwood, others

Summary

SDCL § 38-22-23.13 lets a county weed and pest board confirm an infestation by resolution and order the landowner to meet minimum remedial requirements at the owner's own expense within a set deadline, mailed by certified mail. Ignore it and § 38-22-23.14 lets the board do the work itself, then bill the landowner through the county auditor as delinquent property taxes.

If the suspected area is found to contain weeds or pests, the county weed and pest board, by resolution adopted by a majority of its members, shall confirm such fact and set forth minimum remedial requirements for control of the area. The board shall mail, by certified mail, to the address of the landowner, a copy of the resolution, a statement of the approximate cost of fulfilling the requirements, and a request that the requirements contained in the resolution be carried out at the owner's expense within a designated period of time. When the board is satisfied that the requirements have been met, the board shall terminate the resolution and file a copy of the termination with the register of deeds.

Source: SDCL § 38-22-23.13 - Resolution of board confirming infestationView official code

Full Breakdown

When a county weed and pest board investigates suspected infested land and confirms weeds or pests are present, SDCL § 38-22-23.13 requires the board, by resolution adopted by a majority of its members, to confirm the infestation and set minimum remedial requirements for controlling it. The board mails the landowner a copy of the resolution by certified mail, along with a statement of the approximate cost of compliance and a request that the work be carried out at the owner's own expense within a designated deadline. Once the board is satisfied the requirements are met, it terminates the resolution and files the termination with the register of deeds.

Miss that deadline and SDCL § 38-22-23.14 lets the county board step in: it may perform the remedial work itself, then certifies its expenses to the county auditor. The auditor bills the landowner for the cost plus an administrative fee of $50 or ten percent of the control cost, whichever is greater. If the landowner hasn't paid by November 1 of that year, the bill grows by another ten percent and is charged as taxes against the tract, collected exactly like other property taxes and credited to the county's general fund. A landowner who instead asks the board to perform control work faces the identical fee structure under § 38-22-23.16 if payment isn't made by that same November 1 deadline.

Behind the county-level process sits a state backstop: under SDCL § 38-22-16, if a landowner fails to rid infested land of weeds or pests and the secretary of agriculture and natural resources finds the infestation menaces neighboring land or the state at large, the secretary may declare the land a public nuisance and send state personnel onto it to perform protective operations. A related provision, § 38-22-16.2, makes a landowner responsible for remedying the problems caused when an infestation spreads onto adjacent private or public land, to the extent the owner is responsible for letting it spread.

Chronic noncompliance escalates further. SDCL § 38-22-23.17 imposes a civil penalty of up to $500 on any owner, occupant, or person controlling land who is issued a board resolution under § 38-22-23.13 for three consecutive years and still fails to meet the minimum remedial requirements, and the same $500 penalty applies to an owner whose land the board has treated under § 38-22-23.14 for three straight years.

Violations & Penalties

If a landowner ignores a county weed and pest board's resolution issued under SDCL § 38-22-23.13, the board performs the remedial work itself under § 38-22-23.14 and bills the owner through the county auditor for its costs plus a $50-or-10%-of-cost administrative fee, which rises another ten percent if unpaid by November 1 and is then collected as delinquent property taxes. Three consecutive years of noncompliance adds a civil penalty of up to $500 under § 38-22-23.17.

Frequently Asked Questions

Who do I report noxious weeds to in South Dakota?
Contact your county weed and pest board, created under SDCL § 38-22-23.1. The board investigates suspected infested land under § 38-22-23.12 and, once it confirms weeds or pests are present, issues a resolution to the landowner setting remedial requirements under § 38-22-23.13.
Can the county cut my weeds and bill me in South Dakota?
Yes. Under SDCL § 38-22-23.14, if you miss the deadline in the board's resolution, the county weed and pest board performs the remedial work itself, certifies the cost to the county auditor, and the auditor bills you the cost plus a $50-or-10% fee, later collected as property taxes if unpaid by November 1.
What happens if I'm cited for noxious weeds three years in a row in South Dakota?
SDCL § 38-22-23.17 imposes a civil penalty of up to $500 on an owner who receives a board resolution under § 38-22-23.13 for three consecutive years and still fails to meet the minimum remedial requirements, or whose land the board has treated under § 38-22-23.14 for three straight years.
Is Canada thistle a noxious weed in South Dakota?
Yes. Canada thistle appears on the State Noxious Weed & Pest List published by the South Dakota Department of Agriculture and Natural Resources under the authority SDCL § 38-22-9 gives the Weed and Pest Control Commission, alongside leafy spurge, absinth wormwood, hoary cress, purple loosestrife, salt cedar, and perennial sow thistle.

Sources

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