A major kitchen addition to a traditional English pub in Carp, Ontario, required a review of the 1,200 gpd onsite system. Although there was no evidence of effluent break out, the sand mound was clogged with biomat and displaying signs of distress.Terry Davidson, director of regulations at the Ottawa and Mississippi-Rideau Septic System office, ordered the owners to cap the system and use the septic tank as a temporary holding tank until the system was upgraded or replaced.Eric Draper, owner of The Septic Store in Osgoode, offered a solution involving a submerged buoyant-media aeration system designed for high-strength waste and
