Septic Tanks & Aerobic SystemsCar wash pitsPondsBarrelsSumps & TrapsGrit, Sand & MudGrease & MuckSewage & SeptageWater & Other liquidsSeptic Tank CarePump your septic tank every 3 to 5 years Most tanks reach capacity within 3 to 5 years of normal use. Larger family homes should get pumped every 3 years.Use septic tank safe products To avoid killing excess bacteria (which is important to your septic tank), use products that are labeled safe for septic tanksUse liquid laundry detergent Many powdered detergents contain paticles that do not easily dissolve in water, using liquid detergent can help keep your septic tank healthy.Keep water usage to a minimum Practice water conservation in your home. 90% of sewage flow from a household is water.Minimize the amount of grease that goes down the drain Grease from cooking should never be poured directly down the drain. Wipe pots and pans with paper towels to reduce the amount of grease that gets washed off.