Kansas

Buying Land in Atchison County, Kansas

Atchison County, seat Atchison, on the Missouri River in far northeast Kansas, has not adopted county-wide zoning and sits outside every Kansas Groundwater Management District. What's genuinely distinct here is real, documented flood exposure: the county runs its own Floodplain Management Code and permit process, put to the test when the Grape-Bollin-Schwartz levee -- an uninspected non-federal levee spanning Atchison and Leavenworth Counties -- breached during the historic March 2019 Missouri River flood.

No County-Wide Zoning -- Confirmed

Case-by-case / verify locally

Atchison County has not adopted its own county-wide zoning ordinance -- confirmed via the National Zoning Atlas, which lists zero zoning districts and zero pages of adopted zoning text for the county itself. The City of Atchison and several other municipalities within the county do have their own local zoning ordinances, but land outside those city limits is not subject to a county zoning code. That means a rural, unincorporated Atchison County parcel likely has few or no county-level use restrictions -- confirm this directly with the county before assuming otherwise, and separately check whether the parcel falls within any city's extraterritorial platting or floodplain jurisdiction.

Outside Every Kansas Groundwater Management District

Generally favorable

Atchison County sits in the far northeast corner of Kansas, well outside the territory of all five Groundwater Management Districts (GMD 1 through 5), which cover western and central Kansas over the Ogallala or Equus Beds aquifers. Water rights here run through the state's standard Division of Water Resources prior-appropriation process without a regional GMD layer -- confirm any specific existing water right's status directly with DWR.

Real, Documented Missouri River Flood and Levee Risk

Case-by-case / verify locally

Atchison County runs its own Floodplain Management Code and a county development-permit process (required before building, grading, paving, placing a manufactured home, or subdividing in a mapped floodplain) despite having no general zoning -- a direct, verified response to real flood exposure along the Missouri River. During the historic March 2019 Midwest flooding, the Grape-Bollin-Schwartz levee, a 4.7-mile non-federal levee protecting farmland across Atchison and neighboring Leavenworth County, breached on March 20; per contemporaneous KCUR/NPR reporting on FEMA levee risk data, it had no record of a prior federal inspection despite a risk assessment putting the odds of overtopping at 76% over a typical 30-year mortgage term. For any parcel near the Missouri River or a mapped floodplain, confirm current flood-zone designation, levee status, and whether a floodplain development permit is required directly with the county.

No county zoning, but a real floodplain permit program

Unlike some of its Kansas neighbors, Atchison County has not adopted a county-wide zoning ordinance -- the National Zoning Atlas, an independent nationwide tracking project, lists zero zoning districts for the county, and Kansas law (K.S.A. Chapter 19, Article 29) confirms that county zoning is optional, adopted only if a county's board of commissioners chooses to. The City of Atchison itself, along with several smaller municipalities in the county, has its own local zoning code administered by its own planning commission, but that authority does not extend into the unincorporated county. For a rural Atchison County parcel, that generally means fewer county-level land-use restrictions than in a zoned county -- but it also means a buyer should not assume a use is permitted just because it's common; check directly with the county and, if the parcel is near a city, whether it falls inside that city's extraterritorial jurisdiction for platting or floodplain purposes.

The one land-use program the county does run consistently, despite having no general zoning, is floodplain management -- a direct, practical response to real flood risk that isn't optional if the county wants to keep its residents eligible for federally-backed flood insurance under the National Flood Insurance Program. If a parcel is anywhere near the Missouri River or another mapped waterway in the county, confirm its current flood-zone designation and whether a floodplain permit applies before assuming a project can proceed -- see this site's Atchison County flood-zones page for the permit's actual scope, cost, and elevation requirements.

The 2019 flood and a real, uninspected levee breach

Atchison County's flood exposure is not theoretical. During the historic March 2019 Midwest flooding along the Missouri River -- triggered by a 'bomb cyclone' storm system that caused catastrophic flooding across Nebraska, Iowa, Kansas, and Missouri -- the Grape-Bollin-Schwartz levee, a 4.7-mile non-federal levee protecting farmland spanning Atchison and neighboring Leavenworth Counties, breached on March 20, 2019. Contemporaneous reporting from KCUR (Kansas City's NPR affiliate), examining FEMA levee risk assessments across the flood zone, found the levee had no record of a prior federal inspection -- despite a FEMA risk assessment putting the annual chance of overtopping at 5%, which extrapolates to a 76% likelihood of overtopping over the life of a typical 30-year mortgage. The Kansas Division of Emergency Management activated its state emergency operations center around major flooding specifically in Doniphan and Atchison Counties during the same event.

None of this means every Atchison County parcel carries meaningful flood risk -- most of the county sits away from the river's immediate floodplain. But for land near the Missouri River bottoms or any levee-protected area, this is a real, documented history worth investigating specifically rather than assuming a levee provides reliable protection. Ask the county for the parcel's current FEMA flood-zone designation, ask whether it sits behind a levee and which entity (a local levee association, the Army Corps of Engineers, or another body) maintains that levee and its inspection history, and factor flood insurance availability and cost into any purchase decision near the river.

What we could and couldn't confirm

Atchison County's lack of county-wide zoning is drawn from the National Zoning Atlas, an independent nationwide zoning-tracking project, cross-checked against the absence of any county zoning code on the county's own website (which lists City of Atchison zoning separately). The county's floodplain management program and permit process are drawn from the county's own website and application forms. The Grape-Bollin-Schwartz levee's location, length, March 20, 2019 breach date, and uninspected status are drawn from KCUR/NPR's reporting on FEMA levee risk data, cross-checked against USDA Risk Management Agency actuarial-rate guidance issued for Kansas levee breaches in the same event; the 76%-over-30-years overtopping figure is FEMA's own risk-assessment extrapolation as reported by KCUR. Atchison County's location outside all five Kansas GMDs is drawn from the Kansas Department of Agriculture's own GMD program materials. A current, direct phone line specifically for the Atchison County Health Department (as distinct from the NEKES septic-permitting contact) could not be confirmed within this research's scope.

Verify directly with: the City of Atchison's Planning & Zoning Department for any parcel inside city limits, Atchison County's Floodplain Management office for flood-zone and permit questions on any parcel, Northeast Kansas Environmental Services for septic permitting, and the Kansas Division of Water Resources for any water-right question

Who to Call Before Buying Land in Atchison County

Atchison County has no county planning/zoning department to list, since it has not adopted county-wide zoning -- for land inside a city, contact that city's own planning office (e.g., the City of Atchison's Planning & Zoning Department at (913) 367-5560). We could not independently confirm a currently-active direct phone number for the Atchison County Health Department separate from the Northeast Kansas Environmental Services septic-permitting contact listed above; confirm current routing by phone before submitting an application.

Floodplain / Stormwater

Atchison County Floodplain Management

Floodplain development permits, flood-zone designation, and floodplain management code questions for a specific parcel.

Phone: (913) 804-6019Email: rdenton@atcoks.orgOfficial website →

Septic / Onsite Wastewater

Northeast Kansas Environmental Services (NEKES) / Atchison County Health Department

Septic and onsite wastewater system permitting and inspection in Atchison County.

Phone: (913) 367-5152Official website →

Assessor / Property Tax

Atchison County Appraiser

Assessed value and property tax questions for a specific parcel.

Phone: (913) 367-4400Official website →

Recorder / Clerk / Land Records

Atchison County Register of Deeds

Recorded deed, easement, and plat history for a specific parcel.

Phone: (913) 804-6025Email: scampbell@atcoks.orgOfficial website →

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Topics Specific to Atchison County

Flood Zones and Floodplain Permits in Atchison County →

Sources

Atchison County, KS (National Zoning Atlas) — National Zoning Atlas (accessed 2026-09)
Floodplain Management | Atchison County, KS — Atchison County, Kansas Government (accessed 2026-09)
Development Permit / Flood Plain Mgmt Application — Atchison County, Kansas Government (accessed 2026-09)
Register Of Deeds | Atchison County, KS — Atchison County, Kansas Government (accessed 2026-09)
Departments | Atchison County, KS — Atchison County, Kansas Government (accessed 2026-09)
Wastewater systems process in Atchison County, KS — Northeast Kansas Environmental Services (accessed 2026-09)
10 Failed Levees In Midwest Flood Zone Were Not Inspected By Federal Government — KCUR (Kansas City NPR affiliate) (accessed 2026-09)
Actuarial Rates Resulting from Breached Levees in Kansas — USDA Risk Management Agency (accessed 2026-09)
Multiple state, federal partners support flood response in NE KS — KWCH (accessed 2026-09)
Groundwater Management Districts — Kansas Department of Agriculture, Division of Water Resources (accessed 2026-09)

Last reviewed 2026-09