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SECTION 13: Forms and Reference ■ 13-81 UNIVERSITY Septic 4stemManagement 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. • 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 eater the soil treatment area. . Add an effluent screen to your tank. •Washing several loads on one day Choose afroit-loader or water -saving top -loader, was a lot of water and may overload these units use less water than older models. Yom system. • Limit Ne addition of comm solids to you tank by • Overloading you 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 you tank the tank and enter the soil treatment ,Wash only full loads. area. • Limit use of bleach -based detergents. • Think eves— spread you laundry loads throughout the week. • The rapid speed of water entering • Install an effluent screen in the septic tank to prevent Zm floor loan, the tank may reduce performance, the release of excessive solids to the soil treatrnent 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 you tank and soil . Use detergents that are low or no -phosphorus. treatment area. . Wash only fug loads. • New models promote "no scraping'. . Sus Yom dishes an keep undigested Y yway They have a garbage disposal inside. solids out of you septic system a • Finery -ground solids may not settle. • Expand septic tank capacity by a factor of 1.5. Grind" pump (in Unsettled solids can exit the tank • Include pump monitoring in you 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 same Large bathtub overload you 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 you • 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-efficancy • Drip may mutt in from pipes • Re-route water into a sump pump or directly not of formate during cold weather. the house. Do not route formate recharge m you septic system. Water softener • Salt in recharge water may affect • These sources produce waterthat is not sewage and Ire filter system performance. should not go inns you aspirin system. Reverse osmosis • Recharge water may hydraulically . Reroute water from these scutes to another outlet, overload the system such as a dry well, draintile or old dminfield. -. When replacing, consider using a demand -based • Water from these sources will likely 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