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