07-05-22 Septic Design - Laserfiche WebLink

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UNIVERSITY Septic System Management .Plan for Above Grade Systems `" I OF MINNESOTA jg4a 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. y 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 liquid or easily biodegradable detergents. Washing machine prevent solids from settling out in Limit use of bleach-based detergents and fabric the tank. Unsettled solids can exit softeners_ the tank and enter the soil treatment . Install a lint filter after the washer and an effluent area, screen to your tank • Wash only full loads and think even — spread your laundry loads throughout the week. • 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". They have a garbage disposal inside, Scrape your dishes anyways to keep undigested solids out of your septic system, Grinder pump (in • Finely-ground solids may not settle. Unsettled solids can exit the tank Expand septic tank capacity by a factor of 1.5. home) and enter the soil treatment area, Include pump monitoring in your maintenance 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 your 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 your • Use oils, soaps, and cleaners in the bath or shower tank and sail treatment area. sparingly_ Clean Water Uses Impacts on System Management Tips High-efficiency furnace . Drip may result in frozen pipes .Ile-route water directly out of the house. Do not during cold weather. route furnace discharge to your septic system. Water softener • Salt in recharge water may affect • These sources produce water that is not sewage and Iron filter system performance. should not go into your septic system. Reverse osmosis • Recharge water may hydraulically • Reroute water from these sources to another outlet, overload the system. such as a dry well, draintile or old drainfield, • When replacing, consider using a demand-based recharge vs. a time-based recharge. Surface drainage • Water from these sources will overload the system and is Footing drains prohibited from entering septic • Check valves to ensure proper operation. have unit system. serviced per manufacturer directions -5_