To find the tank, trace where the main plumbing line leaves your home and look for a green or black disc (that’s the access riser about 10 feet from the house—or possibly even a manhole.

PITTSBURGH, April 24, 2025 /PRNewswire/ -- "We wanted to create an improved pipe adapter that would be used to permit the vertical stacking of septic tank risers," said one of two inventors, from ...