ResposibleAccount , 11 months ago I think it's supposed to be a vent for the leech field. See https://septicpatrol.com/does-a-leach-field-need-to-be-vented/
I think it's supposed to be a vent for the leech field. See https://septicpatrol.com/does-a-leach-field-need-to-be-vented/