Building, Well, & Septic

Permits, Codes, Ordinances, and building project guidance

April 17, 2026, storm damage: please contact the planning department at 507-328-7100 with building questions following storm damage from the severe weather and tornadoes in Olmsted County on April 17.

Building, well, & septic permit applications & fees
Building, well, & septic permit applications & fees
Building, well, & septic permit applications & fees

The Olmsted County Planning department Inspections Division provides building code and permit administration for the cities of Byron, Chatfield, Eyota, and Stewartville as well as the townships of Eyota, Marion, and Quincy. For building code questions, please contact our office to speak with an inspector at 507-328-7100.

Why do I need a permit?
- Read more about Building, well, & septic permit applications & fees
Building permit reports
Building permit reports

Detailed reports pertaining to building permits issued in the City of Stewartville, City of Byron, City of Eyota, City of Chatfield and the townships of Eyota, Marion, and Quincy.
Building permit reports

Detailed reports pertaining to building permits issued in the City of Stewartville, City of Byron, City of Eyota, City of Chatfield and the townships of Eyota, Marion, and Quincy.

The Olmsted County Building Official administers the building code in the Cities of Stewartville, Eyota, Byron, and Chatfield; and the townships of Eyota, Marion, and Quincy. Reports on building activity in those areas are listed below.
- Read more about Building permit reports
Building, Well, & Septic Inspections
Building, Well, & Septic Inspections
Building, Well, & Septic Inspections

Learn more about scheduling inspections for building, well and septic permits in Olmsted County Planning Department's jurisdiction.
- Read more about Building, Well, & Septic Inspections
Subsurface sewage treatment systems
Subsurface sewage treatment systems
Subsurface sewage treatment systems

The Olmsted County Inspections team administers the Septic System Ordinance through the SSTS Ordinance (Chapter 3400 of the Code of Ordinances) and MN Rules Chapter 7080-7083. Olmsted County regulations pertaining to septic systems are coordinated with the requirements of the Minnesota's Subsurface Sewage Treatment Systems Program (SSTS) and provides the following program services:
- Read more about Subsurface sewage treatment systems
Olmsted County Well Inspections
Olmsted County Well Inspections

Water Supply Wells
Olmsted County Well Inspections

Water Supply Wells

Olmsted County's adoption of the Water Well and Supply Ordinance (see document below) enables the Olmsted County Inspections Division to administer the Minnesota Department of Health water well program as a local program, under a delegation agreement with the State.
- Read more about Olmsted County Well Inspections
Water Well and Water Supply Ordinance
Water Well and Water Supply Ordinance
Water Well and Water Supply Ordinance

An ordinance regulating the constructing and operation of water wells and water supply systems and governing the orderly and proper sealing of water wells; establishing standards and requirements for water well and water supply managements within the incorporated and unincorporated areas of the County of Olmsted...
- Read more about Water Well and Water Supply Ordinance

Building, Zoning, Well and Septic Jurisdiction
Building, Zoning, Well and Septic Jurisdiction

Olmsted County is comprised of 18 townships and eight cities which all operate differently in terms of how they administer their zoning ordinances and the state building code.
Building, Zoning, Well and Septic Jurisdiction

Olmsted County is comprised of 18 townships and eight cities which all operate differently in terms of how they administer their zoning ordinances and the state building code.
- Read more about Building, Zoning, Well and Septic Jurisdiction

Building, well, & septic permit applications & fees

Building permit reports

Building, Well, & Septic Inspections

Subsurface sewage treatment systems

Olmsted County Well Inspections

Water Well and Water Supply Ordinance

Building, Zoning, Well and Septic Jurisdiction