State-of-the-art flow monitoring technology is a key to the Washington Suburban Sanitary Commission’s effort to manage and eliminate sanitary sewer overflows (SSOs), as mandated in a 2005 consent decree.Supplied by ADS Environmental Services, the 174 flow monitors and 16 rain gauges help WSSC collect data to establish baseline flows, determine pipe capacities, and track weather-related inflow and infiltration (I&I) in its 5,400-mile collection system. WSSC serves nearly 1.9 million people in Montgomery and Prince George’s counties (Maryland), next to Washington, D.C.“We’ve worked with ADS for over 25 years,” says Glen Diaz, sewer analysis unit coordinator. “The equipment is accurate, durable
