A HOMEOWNERÕS GUIDE - Government of New Jersey

your septic tank prior to pumping. If the bottom of the scum layer is within 6 inches of the bottom of the outlet tee or the top of the sludge layer is within 12 inches of the outlet tee, your tank is at its maximum safety capacity. Remember to note the sludge and scum levels determined by your service provider in your operation and maintenance ...

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