Senator Mark Lapka Charged With DUI
South Dakota Senator Mark Lapka faces a criminal charge following an incident near Leola.
Updated on Oct. 9, 2026 in Legislative Policy

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Senator Mark Lapka, who represents South Dakota's District 23, has been charged with driving under the influence. The incident occurred near Leola between late Tuesday night and early Wednesday morning.
Why it matters
The charge comes as Senator Lapka is running unopposed for re-election this year. The incident and subsequent legal proceedings in McPherson County draw attention to a sitting member of the state legislature.
The McPherson County State's Attorney confirmed the criminal charge against the District 23 senator. The next court date for the county is set for October 27, 2026.
The players
Mark Lapka
He is a South Dakota State Senator representing District 23 and a farmer from the Leola area who is currently running unopposed for re-election.
McPherson County State's Attorney
This local office is responsible for prosecuting criminal charges and has confirmed the charges filed against the senator.
The details
Senator Mark Lapka, a farmer from the Leola area, serves in the South Dakota Senate. Following the incident, the McPherson County State's Attorney officially confirmed the charge of driving under the influence.
Timeline
The incident occurred late Tuesday night, October 6, 2026.
The incident occurred early Wednesday morning, October 7, 2026.
The next scheduled court date is October 27, 2026.
Political Context
This case follows standard judicial procedures established under the state's criminal statutes for driving offenses. Opposing parties may highlight the legal and ethical requirements for elected officials when facing criminal charges, regardless of an uncontested election cycle.
Citizens in District 23 are seeing their current representative face legal charges while he remains on the ballot for re-election. Residents should monitor the upcoming court proceedings to understand how this may impact legislative representation.
The takeaway
Elected officials are subject to the same traffic laws and judicial processes as any other resident. Voters must decide how such legal developments factor into their assessment of a candidate running for legislative office.
What happens next
The next scheduled court date in McPherson County is October 27, 2026.
Further reading
For more on the regulatory environment in the state, visit the Legislative Policy section.
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