To keep track of when to pump out your tank, write down the sludge and scum levels found by the septic professional. Your tank should be pumped if the bottom of the scum layer is within six inches of the bottom of the outlet, if the top of the sludge layer is within 12 inches of the outlet, or if more than 25% of the liquid depth is sludge and scum. Your septic tank includes a T-shaped outlet which prevents sludge and scum from leaving the tank and traveling into the drainfield area. See the National Onsite Wastewater Recycling Association's Guide and Record Keeping Folder example. Keep the maintenance records on work performed on your septic system.

When you call a septic service provider, he or she will inspect for leaks and examine the scum and sludge layers in your septic tank. Here is what you need to know for a service provider

These are the major factors that influence how often to pump your septic system: A service contract is important since alternative systems have mechanized parts. Alternative systems with electrical float switches, pumps, or mechanical components should be inspected more often, generally once a year. Household septic tanks are typically pumped every three to five years.

The average household septic system should be inspected at least every three years by a septic service professional. Upkeep comes down to four key elements:įor more about septic system maintenance, see answers to frequent questions on caring for septic systems. Septic system maintenance is not complicated, and it does not need to be expensive.

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