40-Year Wet-Weather Management Plan

The City of Columbus, Ohio, is implementing a multi-year plan to reduce overflows by 80 percent and improve operations and maintenance practices. The program includes a $2.5 billion Wet-Weather Management Capital Improvement Plan and ongoing implementation support. With more than 70 designed sanitary relief points along Columbus waterways, the 40-year Wet-Weather Management Plan outlines improvements and integration of best management practices consistent with CMOM requirements under existing and proposed SSO rules.