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