Tetra Tech RTW

Yellowstone National Park
Old Faithful Wastewater Treatment Plant

Tetra Tech RTW performed a wastewater treatment alternatives study and designed the selected improvement alternative-the single-basin nutrient removal process. The project involved converting the two existing evaporation/percolation ponds to two geofabric-lined earthen aeration basins and a sludge holding pond. Both aeration basins were followed by secondary clarifiers. The 0.5-mgd plant was designed to operate in extended-aeration mode with nitrification and denitrification. Associated equipment included headworks with septage receiving capabilities, blowers, WAS and RAS pumps, standby generation, and drying beds. All process equipment was housed in a brown split-face block building. Work also involved converting the existing effluent pump station to a raw wastewater pump station, relocating the existing sewage grinder to the pump station, and relocating the existing forcemain.

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water, wastewater, environmental, civil, electrical, engineering, engineer, consulting, consultants, Colorado, Denver, Tetra Tech RTW, Rothberg, Tamburini, Winsor, Yellowstone National Park Old Faithful Wastewater Treatment Plant, single-basin nutrient removal process, evaporation pond percolation pond, geofabric-lined earthen aeration basins, sludge holding pond, secondary clarifiers, mgd, extended-aeration, nitrification, denitrification, headworks, septage, blowers, WAS pump, RAS pump, pumps, standby generation, drying beds, raw wastewater, pump station, sewage grinder, forcemain,
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