Buying Land in Dixon County, Nebraska

A genuine zoning-status gap, and a real watershed-driven NRD split

Not every Nebraska county fits this site's pattern of confirmable, currently-administered zoning -- and Dixon County is a case where we cannot tell you with confidence which side of that line the county falls on. Public sources reviewed for Dixon County list an Assessor, a Clerk (who also serves as Register of Deeds), a Treasurer, and Sheriff/Emergency Management among the county's departments, but no dedicated Planning & Zoning office and no adopted zoning ordinance document turned up. That's a meaningfully different starting point than, say, Cass or Cherry Counties covered elsewhere on this site, both of which have real, actively administered zoning despite being far more rural. Before assuming either way for a Dixon County parcel -- fully unregulated, or governed by an ordinance this research simply couldn't surface -- call the County Clerk's office directly, and separately ask whether the parcel falls within the one-mile extraterritorial zoning jurisdiction of Ponca or one of the county's other villages, since Nebraska law lets municipal zoning reach into unincorporated land near a city or village's limits.

Groundwater governance, by contrast, is well-documented and splits the county cleanly along a watershed line rather than an administrative boundary. The Lewis & Clark Natural Resources District -- based in Hartington and also covering the eastern half of Knox County and most of Cedar County -- covers the northern three-fourths of Dixon County, including Ponca itself. The Lower Elkhorn NRD, based in Norfolk, covers the county's southern portion, which drains toward the Elkhorn River system rather than the Missouri. A well or irrigation system near the middle of the county could plausibly fall under either district depending on exactly where the local watershed divide runs -- confirm which NRD actually covers a specific parcel rather than assuming Lewis & Clark governs the whole county.

Flood control on Aowa Creek and South Creek: the real current land-use story

What makes Dixon County distinct today isn't a zoning dispute -- it's active, NRD-run flood-control planning tied directly to the county's Missouri River-bluff geography and its proximity to Ponca State Park. The Lewis & Clark NRD's existing Aowa Creek Watershed flood-control structures already protect Newcastle, Ponca, and the rural Aowa Creek watershed, and the district is actively extending that work: a plan to upgrade two structures north of Highway 12 was slated for public review in winter 2025-2026, a preliminary plan for new flood-control practices in the South Creek Watershed aims to reduce erosion and add flood protection for Ponca and Martinsburg specifically, and in April 2026 the district held a public scoping meeting in Ponca on proposed dam rehabilitation for several Aowa Creek structures. Heavy regional rain events -- nearly four inches across the county in a single event in July 2025 -- underscore why this matters for land near these creek corridors. If you're evaluating a parcel in the Aowa Creek or South Creek drainage, or anywhere in the Missouri River bottomland near Ponca, ask the Lewis & Clark NRD directly about the current status of these projects, any easements or rights-of-way tied to dam rehabilitation, and FEMA floodplain mapping for the specific tract -- the county's flood risk here is a live, actively managed engineering problem, not a settled historical fact.