Municipal solid waste is collected and disposed of weekly by the Oneida-Herkimer Solid Waste Authority, a public-benefit corporation that coordinates single-stream recycling, waste reduction, composting, and the disposal of hazardous materials and demolition debris. Utica's wastewater is treated by the Mohawk Valley Water Authority, with a capacity of 32 million gallons per day. Treated water is tested for impurities including pathogens, nitrates, and nitrites. Utica's drinking water comes from the stream-fed Hinckley Reservoir in the foothills of the Adirondack Mountains, with of piping throughout the city.