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NOTICE - Updated 4/9/2020

Due to the continued health concerns raised by the COVID-19 virus the Lyon County Government Center, Public Works and the landfill will be closed to the public until further notice.  
Auditor/Treasurer - 507-537-6724
Driver’s License - 507-537-6727
Recorder, Birth, Death, Marriage - 507-537-6722
Assessor - 507-537-6731
Court Administration - 507-537-6734
Probation - 507-537-6746
Veteran’s Services - 507-537-6729
Human Resources, Administration - 507-537-6961
Passports - 507-532-1339
Environmental (including Household Hazardous Waste and mattress recycling)   - 507-532-8210
Landfill - 507-865-4615
Lyon County Soil & Water Conservation District - 507-532-8207 Ext. 3
Highway - 507-532-8205
Residents may also contact county staff by email. Email addresses are listed on the county website at www.lyonco.org/departments. We apologize for any inconvenience that that this may cause, and we thank you for your understanding.  These precautions are necessary to ensure the safety of our employees and to slow the spread of the virus.  For more information about COVID-19 and how to prevent the spread of the virus, please visit www.cdc.gov or www.health.state.mn.us.
Further updates will be posted to our website https://www.lyonco.org and Facebook page as they become available.

Septic Systems

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Lyon County Planning & Zoning administers Minnesota Rules Chapters 7080-7083 through their local Subsurface Sewage Treatment System (SSTS) ordinance; issuing permits for systems designed with flows up to 10,000 gallons per day. 

In Lyon County, inspections are required for all new septic system construction and replacement. Lyon County ordinances also state that septic systems must be in compliance with Minnesota Rules Chapter 7080-7083 at the time of a property transfer. Existing systems must also be inspected when there is a bedroom addition on a building permit, or when any building permit or variance is requested for systems located in a shoreland area.

Lyon County currently offers low-interest loans for qualifying residents seeking to upgrade an existing system. Loan dollars are offered through local watershed districts, and are applied to property taxes as a special assessment. The length of the loan can be up to 10 years at a rate of interest of 4%.

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