We are a passionate and experienced resource recovery team that aims to protect public health and the environment. Established in 1930 to protect the lakes and streams of the upper Yahara watershed, Madison Metropolitan Sewerage District serves about 424,000 people in 24 Madison-area customer communities covering about 188 square miles. The District owns and operates 145 miles of pipe and 18 regional pumping stations that convey approximately 37 million gallons of wastewater to the Nine Springs Wastewater Treatment Plant daily.