The septic tank and pump vault are located behind the classroom. The septic tank mushroom has been left protruding above ground level to prevent heavy vehicles driving over the septic tank.

The septic tank is located behind the classroom block with the effluent disposal area is located beyond the children’s play area.

The septic tank is situated behind the classroom block with the filtered effluent being evenly distributed into the bush area.

The bushed disposal area has been designed to also accept effluent from the Opiki Hall, seen on the right of this photo.