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UNIVERSITY Septic System Management Plan � for Above Grade Systems OF MINNESOTA Water-Use Appliances and ��' Equipme�t 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. • Minimize garbage disposal use.Compost instead. Garbage disposal . 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 ef�luent 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. prevent solids from settling out in . Install a lin filter after the washer and an effluent Washing machine g the tank.Unsettled solids can exit screen on your tank. the tank and enter the soil treatment � Wash only full loads. az�' • Limit use of bleach-based detergents. • Think even—spread your laundry loads throughout the week. • The rapid speed of water entering • Install an ef�luent screen in the septic tank to 2°d floor laundry �e 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. treatrnent area. . Wash only full loads. • New models promote"no scraping". . Scrape your dishes anyways to keep undigested 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. 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 yout 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. Clenn Water Uses Impacts on System Management Tips High-efficiency • �ip may result in frozen pipes • Re-route water into a sump pump or directly out fumace 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 manufachuer directions - 5 -