General Information on Individual Septic Treatment Systems (ISTS)

National Small Flows Clearinghouse has fact sheets on many aspects of ISTS developed as a part of Environmental Technology Initiative.  The following are excellent resources:

• Intermittent Sand Filters (General Overview) 

• Mound System (Technical Overview) 

• Recirculating Sand Filters (Technical Overview)

• Water Efficiency (General Overview)

• Complete List of Fact Sheets

Minnesota Pollution Control Agency Individual Sewage Treatment Systems Programs Website