Off-grid site report

Sumner County, KS

37.2666, -97.3989 · 1,240 ft elevation

Read this before you act on anything below. This is my researched starting point for Sumner County, KS, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.

The local rulesSumner County, KS

Zoning & raw-land occupancy

RestrictedSumner County has adopted countywide zoning regulations (since 2006, amended since) administered by Planning & Zoning, including conditional-use review by the Planning Commission and County Commissioners for less-common land uses. source

Dwellings, tiny homes & RVs

RestrictedTemporary housing facilities and manufactured/mobile homes are addressed directly in county zoning and generally need a Conditional Use Permit; exact foundation or size standards were not confirmed in official documents reviewed.

Building permits & codes

Unclear - verifyKansas has no mandatory statewide building code, and I could not confirm whether Sumner County has adopted its own building code or runs a distinct building-permit office; ask Planning & Zoning directly. source

Septic & composting toilets

RestrictedSeptic standards are set by the state (KDHE, K.A.R. 28-5-1), but Sumner County's Planning, Zoning & Environmental Health department handles local permitting; composting toilets are not separately addressed in the materials found. source

Greywater reuse

Unclear - verifyNo Sumner County-specific greywater ordinance was found; it likely falls under the same environmental health/septic code, but this is not confirmed.

Rainwater harvesting

Generally allowedNo county restriction was found, so household rainwater collection follows the state's general domestic-use allowance under Kansas water law.

Private wells & water rights

Generally allowedDomestic wells are generally exempt from state water-right permitting, with KDHE setting construction standards; Sumner County also has multiple Rural Water Districts as an alternative to drilling.

Living disconnected from utilities

Unclear - verifyNo explicit county or state rule requiring hookup to public utilities for occupancy was found, but this was not explicitly confirmed either way, so check with Planning & Zoning before relying on it.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.4 hrs/day
Worst month (sizes an off-grid array): 4.0 hrs/day
Yearly output per 1 kW of panels: 1,548 kWh

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Weather1991-2020

Precipitation: 35 in/yr
Snowfall: 13 in/yr
Heating degree days: 4,598 (moderate)
Frost-free season: Apr 15 to Oct 26

How far help isstraight-line

Hospital Ascension Wellington: 0.9 mi
Fire station Wellington Fire Dept: 0.1 mi
Hardware store Oxford Saw & Mower: 12.6 mi
Grocery Walmart Supercenter: 1.5 mi

From OpenStreetMap. Road miles will be longer, often much longer in hill country.

Plan this spot

These open with this location's real numbers already filled in (ZIP 67152).

Size a solar system Heat loss & insulation Firewood per winter Rainwater harvest Garden size Panel tilt

Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.