Kansas City Region
The county touches Smithville Lake's north end
Clinton County reaches the upper end of Corps-managed Smithville Lake, where flood control, water supply, recreation, and fishing rules overlap.
The southern edge of Clinton County reaches the upper end of Smithville Lake, the U.S. Army Corps of Engineers reservoir north of Kansas City. That makes the county’s lake edge a federal-project place, more than a local recreation spot.
Smithville Lake is primarily a flood-control lake, and the Corps regulates lake levels to help prevent downstream flooding. It also supplies drinking water to Smithville, Trimble, Grayson, and Plattsburg. That last name matters for Clinton County readers because Plattsburg is the county seat.
The lake is also a recreation place, but even recreation has layers. The Corps page points readers to the Jerry Litton Visitor Center and lake information. MDC handles fishing regulations, including the Smithville Lake special waterbody rules. Park, trail, shelter, marina, hunting, shoreline, water-level, and fishing questions can lead to different managers.
For a property owner, visitor, or buyer near Clinton County’s south end, the useful lesson is who decides. Lake levels and federal-project questions start with the Corps. Fishing rules start with MDC. Local road, emergency, and county-office questions still run through local sources.
Where to see it
- Smithville Lake - U.S. Army Corps of Engineers
Use the Corps page for lake information, visitor-center contacts, lake levels, and federal project updates.
References
More from Clinton County: browse every local note for the county.
Last checked against the sources above: July 1, 2026.