Current Research
Water Softening
Otter Tail Water Management Evaluation
Otter Tail Water Management District Septic System Use and Maintenance Evaluation .pdf
Minnesota Department of Transportation
Investigating Flammable Waste Trap Solids at MnDOT Truck Stations .pdf
Investigating Wastewater Reuse at MnDOT Truck Stations .pdf
Characteristics of rest area water softeners and their effects on chloride in septic systems .pdf
Septic System Evaluation at Rest Stops, Truck Station, and Weigh Scales .pdf
Water Use Study at Rest Stops .pdf
Adult Care Facility Septic System Evaluation
This short-term study of six foster homes and one non-foster system collected laboratory and field data.
Final Report .pdf
BWSR Septic System Improvement Estimator
This Estimator is a simple Excel spreadsheet based tool for estimating the improvements made when septic systems are replaced.
Septic System Improvement Estimator .xls
Users Guide .pdf
Stocking Lake Watershed - Soil Phosphorus Study
This project sampled soils along topographic gradients to determine potential movement of phosphorus from source areas to off-site locations (e.g. lakes, rivers and streams).
Research Summary .pdf
Laboratory Manufactured High Strength Waste Study
Research Summary .pdf
A laboratory study to develop a standardized high strength waste that could be used to test relative effectiveness of various pretreatment devices.
Rice County Seepage Pit (Dry Well) Research Summary
Full Report .pdf
A field investigation of dry well systems to determine if these systems meet current compliance criteria in the State of Minnesota.
Research Brief (.pdf)
Long-Term Soil Hydrology Research Sites
Read about their establishment .pdf
*Available with permission from the Minnesota Onsite Sewage Treatment Contractor Association Newsletter The Little Digger*
Milk House Project
General Information
Milk House Wastewater Treatment Demonstration Project Overview .pdf
Milk House Wastewater Characteristics .pdf
Treatment Options
Treatment Milk House Wastewater design guide .pdf
Aerobic treatment unit .pdf
Bark Beds .pdf
Recirculating Media Filter .pdf
Surface Irrigation .pdf
