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The proposed system will require(2) 1500-gallon septic tanks, and(1) 1500 gallon dosing tank. The tanks cannot be deeper than 4 feet from the ground elevation and manholes must come to the surface,but be higher to not a11ow surface water to enter the manholes. The pump will need to be sized to deliver 36 gallons per minute with a lift of l'6feet of total head. The existing septic tank(s) will need to be pumped and destroyec�. An effluent filter must be installed in the second tank with an alarm system. The filter must be checked and cleaned on a routine basis—normally use will require the filter to be rinsed off twice a year(spring and fall). This is the responsibility of the systems owner. The set-back for the well from the septic system area must be a minimum of 50 feet for both the septic tanks and the absorption area. The septic tanks will need to be at least 10 feet from the edge of the house and the absorption field must be 10 feet away from property lines. It is the responsibility of the owner to identify the property boundaries for designing and installing the septic system. The septic system if properly installed and maintained should have no problems treating effluent in the matter that it was designed for. Nothing other than human waste,toilet tissues, shower, sink, dishwasher and laundry water should be drained to the septic tanks and treatment field. If you have water treatment systems other than water softeners, in ex. Iron filters, they should be diverted from entering the septic system. Garbage disposals are not recommended, as they will add more solids to your septic tanks and may allow fine particles to enter the treatment area and clog the system. Daily toilet bowl cleaners, shower sprays (that are used after every shower), and excessive cleaning agents may kill bacteria needed to treat septic effluent. Additives are not needed, and are not recommended in properly maintained septic system. You should have your septic tanks pumped and inspected for proper maintenance by �certified pumper every 2 years. General The soil conditions have been established at the test hole location only. There may be variations in soil stratigraphy between and around the borings and interpolation and extrapolation of the results is not warranted. References: MPCA Website: httb://www.pca.state.mn.us/programs/ists/index.html U of M Water Resources Center Website: http://septic.umn.edu/index.html If you should have any questions or need further information, you can contact staff at the Local Unit of Government that's permitting this project, and or me at your convenience. I hereby certify that I have completed this septic system design work in accordance with A's Rules and Standards Chapter 7080-81, local ordinances, rules and laws. � R�811� Zb4y