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You maintain a cesspool by pumping the tank every three to five years to prevent clogging. You should also have a septic tank or sewer system professional inspect the system once every three years. Avoid putting harmful chemicals and non-biodegradable items in the system to extend the life span of the cesspool.

The best times of year to empty or pump a septic tank are spring and fall. Many professionals recommend spring because the ground has thawed, making the tank easier to access and the waste less likely to be frozen. Pumping before summer also helps avoid conflicts with vacations or outdoor gatherings. Fall is another great option, as contractors may be less busy, and servicing the tank can reduce the risk of overflow from winter and spring precipitation. While summer is also a suitable time, winter is generally not recommended due to frozen ground.

A leach field can take several days or weeks to dry out, even with help from additives designed to improve bacterial activity and promote draining. Because of the risks to health and the potential for wastewater to run off into drinking water sources, it’s better to hire a pro to fix a saturated drain field than try to wait for it to dry out.

Septic tanks naturally have bacteria that break down some of the solid waste in the septic tank. However, sludge buildup is just part of owning a septic system. While liquid wastewater can be filtered and treated through the system, a septic tank company has to pump the septic tank out at least every few years.