ONSITE WASTEWATER TREATMENT FACILITY Blue Wing Community – Tomah, Wisconsin MAJOR PROJECT COMPONENTS 25,000 Gallon Septic Tank 20,000 Gallon Septic Tank 18,000 Gallon Re-Circulation Tank 15,000 Gallon Dose Tank 12,000 Gallon De-Nitrification Tank 16′ x 20′ Precast Control Building