3.1.G. SR 02-21-1994 - Laserfiche WebLink

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e e . lvlINNESOTA EXTENSION SERVICE U~IVERSITY OF ~1rNNESOT A Department of Agricultural Engineering 201 Agricultural Engineering Building 1390 Eckles Avenue 51. Paul. Minnesota 55108 (612) 625-9733 1991 FOREWORD This 1991 edition of the Onsite Sewage Treatment Manual presents current updates in the technology of onsite sewage treatment. The format of the Manual has changed to make it more user friendly. The intergration of text and figures should make it a more usable document. The Manual is used as the teaching textbook for the three-day Basic and Recertification Onsite Sewage Treatment Workshops conducted throughout Minnesota each year. The Manual is also meant for continuing use as a reference. It contains tables and diagrams used to explain the design and operation of onsite sewage treatment systems to homeowners. Comments are invited on improvements to the Manual. The material in this. Manual is based on the recently updated Minnesota Rules Chapter 7080. All diagrams and charts reflect these changes. Since the voluntary certification program began in 1980, 2192 individuals have passed the ~-hour written examination. A total of 1553 individuals are currently either fully or provisionally certified as inspectors, installers, site evaluators, designers or pumpers. While certification is voluntary and not required by State law, at least 19 Minnesota counties require certification and 8 other counties require either Workshop attendance or taking the certification examination. A number of other counties have similar ordinances in process. The Statewide Water Planning Process also has brought the onsite training program to the forefront in local government circles. ~/A~ ;:l: L. Anderson Extension Soils Scientist Universitv of Minnesota .. Davi M. Gustafson Extension Specailist University of Minnesota JLA/DMG UNIVERSITY OF MINNESOTA. U.S. DEPARTMENT OF AGRICULTURE. AND MINNESOTA COUNTIES COOPERATING