Septic system mound calculation spreadsheet for septic designers.
ISTS At Grade Calculation spreadsheet for septic system designers.
Mound worksheet diagram for SSTS designer (fillable pdf).
Existing SSTS compliance inspection Form (fillable Word doc) for septic inspectors.
MPCA Abandonment Form (fillable Word doc).
Operating Permit Holding Tank Renewal or Annual Submittal Application.
Application to transfer ownership of an Operating Permit into the name of the new owner(s). No fee required.
Application & questionnaire for Operating Permit Renewals on SSTS requiring a complete Operation & Maintenance Inspection (O & M).
SSTS Service Provider to use when performing an Operation and Maintenance inspection to submit with an Operating Permit Renewal.
Operating Permit system design worksheet for SSTS designers (not fillable).
What to know if you're thinking of selling your property: point of sale requirement information for septic owners.
SSTS In-Ground Speadsheet for septic system designers (.xls)
SLC existing SSTS compliance inspection application (fillable Word) for SSTS designers.
St. Louis County Courthouse
100 North 5th Avenue West
Duluth, MN 55802