CSO Tour

A Sensible Solutions Timeline

YEAR	COMPLETED PROJECTS
1997	Expanded Wilmington Wastewater Treatment Plant (Cost: $30 Million) Increased the capture and treatment of CSOs from 49% to 70%, one of the highest capture rates in the nation
1999	Created Wilmington’s Long Term Control Program: Implemented EPA recommended 9 Minimum Controls; created a CSO Crew to inspect, clean and maintain CSO structures and keep them free of obstructions
1999	Raised the overflow weir and installed trash netting at CSO 30
2001	Prevented public access to receiving waters by erecting fences at CSO 31
2003	Revised Long Term Control Plan to include innovative technology and aggressive schedule
2004	Prevented overflows at CSO 4b caused by the backwashing of filters at the Water Treatment Plant
2004	Raised the dam at CSO 4a to contain flows into the Prices Run Interceptor
2005	Completed construction of 2.7 million gallon underground storage tanks in Canby Park. Connected CSOs 28 and 29 to the tanks and closed those outfalls

 

YEAR	CURRENT AND FUTURE PROJECTS
2006	Connect CSO 27 to the Canby Park structure
2006	Eliminate the Rockford Road CSO to protect our Source Water (the Brandywine)
2007 – 2010	Optimize collection, storage and transportation of flows to the Water Treatment Plant while minimizing the amount of overflows
Beginning 2008	Improvements to the 11th Street Pump Station
Beginning 2008	Construction of a Diversion Interceptor for Prices Run

Note: Additional projects will be identified as regulations and priorities change. Project initiation dates are subject to funding authorization and availability.

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