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Septic System Management Plan ._ UNIVERSITY for Above Grade Systems OF MINNESOTA 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. Garbage disposal • Adds solids to the tank. . Minimize garbage disposal use.Compost instead. • 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 a liquid or easily biodegradable detergents. Washing machine prevent solids from settling out in • Install a ling filter after the washer and an effluent the tank.Unsettled solids can exit screen on your tank. the tank and enter the soil treatment • Wash only full loads. area. • 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 2nd floor laundry the tank may reduce performance. prevent 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. Dishwasher performance of your tank and soil . Use detergents that are low or no-phosphorus. treatment area. . Wash only full loads. • New models promote"no scraping". our Scrape dishes an They have a garbage disposal inside. p Y yways to keep undigested solids out of your septic system. • Finely-ground solids may not settle. Expand septic tank capacity by a factor of 1.5. Grinder pump(in Unsettled solids can exit the tank Include pump monitoring in your maintenance home) 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 Large bathtub overload your system. same time.For example,don't wash clothes and (whirlpool) • Heavy use of bath oils and soaps can take a 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 furnace during cold weather. of the house.Do not route furnace recharge to your septic system. • Salt in recharge water may affect . These sources produce water that is not sewage Water softener system performance. and should not go into your septic system. Iron filter . Recharge water may hydraulically . Reroute water from these sources to another Reverse osmosis overload the system. outlet,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 -$ -