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UNIVERSITY Septic System Management Plan <br /> for Above Grade Syrlems <br /> OF MINNESOTA --�, <br /> Water-Use Appliances and <br /> Equipment in the Home <br /> Appliance Impacts on System 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 Finely-ground solids may not settle. - To prevent solids from exiting the tank,have your <br /> Unsettled solids can exit the tank tank pumped more frequently. <br /> and enter the soil treatment 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 Limit use of bleach-based detergents and fabric <br /> the tank.Unsettled solids can exit softeners. <br /> the tank and enter the soil treatment - Install a lint filter after the washer and an effluent <br /> area. screen to your tank <br /> - Wash only full loads and think even—spread your <br /> laundry loads throughout the week. <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 treatment area. sparingly. <br /> Clean Water Uses Impacts on System Management Tips <br /> High-efficiency . Drip may result in frozen pipes - Re-route water directly out of the house.Do not <br /> furnace during cold weather. route furnace discharge to your 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 • When replacing,consider using a demand-based <br /> Surface drainage overload the system and is recharge vs.a time-based recharge. <br /> Footing drains prohibited from entering septic - Check valves to ensure proper operation;have unit <br /> system. serviced per manufacturer directions <br /> -5 - <br />