09-24-2018 Septic Design - Laserfiche WebLink

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UNIVERSITY Septic System Management Plan OF MINNESOTA for Below Grade Systems Water-Use Appliances and��''' Equipment in the Home Management Tips Appliance Impacts on system • Uses additional water. • Use of a garbage disposal is not recommended. Garbage disposal • Adds solids to the tank. a Finely-ground solids may not settle. Minimize garbage disposal use. Compost instead. Y Unsettled solids can exit the tank To prevent solids from exiting the tank, have your tank pumped more frequently, and enter the soil treatment area. ° Add an effluent screen to your tank. ° Washing several loads on one day *Choose a front-loader or water-saving top-loader, uses a lot of water and may overload these units Use less water than older models. your system. • Overloading your system may • Limit the addition of extra solids to your tank by Washing machine prevent solids from settling out in g the tank. Unsettled solids can exit usingliquid or easilybiodegradable � gradable detergents. ° Install a lint filter after the washer and an effluent the tank and enter the soil treatment screen to your tank area. • Wash only full loads. a Limit use of bleach-based detergents. a Think even — spread your laundry loads throughout the week. 2nd floor laundry a The rapid speed of water entering the tank may reduce performance. ° Install an effluent screen in the septic tank to prevent the release of excessive solids to the soil treatment area. ° Be sure that you have adequate tank capacity. • Powdered and/or high-phosphorus detergents can negatively impact the • Use gel detergents. Powdered detergents may add Dishwasher pe formatnc ea f your tank and soil solids to the tank. 6 Use detergents that are low or no-phosphorus. ° New models promote "no scraping". o Wash only full loads. They have a garbage disposal posal inside. ° Scrape your dishes anyways to keep undigested solids out of your septic system. ° Expand septic tank capacity by a factor of 1.5. ° Finely-ground solids may not settle. Grinder pump (in Unsettled solids can exit the tank home) and enter the soil treatment area, °Include pump monitoring in your maintenance schedule to ensure that it is working properly. a Add an effluent screen. Large bathtub m Large volume of water may overload your system. ° Avoid using other water-use appliances at the same time. For example, don't wash clothes and take (whirlpool) ° Heavy use of bath oils and soaps can a bath at the same time. impact biological activity in your tank and soil treatment area. ° Use oils, soaps, and cleaners in the bath or shower sparingly, Olean Water Uses Impacts on System Management Tips ° Re-route water into a sump pump or directly out of High-efficiency ° Drip may result in frozen pipes furnace during cold weather. the house. Do not route furnace recharge to your septic system. ° These sources produce water that is not sewage and Water softener ° Salt in recharge water may affect Iron filter system performance. Reverse osmosis ° Recharge water may hydraulically should not go into your septic system. • Reroute water from these sources to overload the system. another outlet, such as a dry well, draintile or old drainfield. ° When replacing, consider using a demand-based • Water from these sources will likely Surface drainage overload the system. Footing drains recharge vs. a time-based recharge. ° Check valves to ensure proper operation; have unit serviced per manufacturer directions -5-