American Society of Civil Engineers

Measuring the Success of a CSO Control Program

by Elizabeth F. Locke, (CDM, 330 East Kilbourn Avenue, Suite 1219, Milwaukee, WI 53202 E-mail:, Eric D. Loucks, (Principal, CDM, 12357A Riata Trace Parkway, Suite 210, Austin, TX 78742 E-mail:, and Steven R. Heinz, (Project Manager, Milwaukee Metropolitan Sewerage District, 260 W. Seeboth Street, Milwaukee WI 53204)
Section: BMP Technology, pp. 1-9, (doi:

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Document type: Conference Proceeding Paper
Part of: Impacts of Global Climate Change
Abstract: The Milwaukee Metropolitan Sewerage District (MMSD) is implementing a comprehensive program to further reduce the frequency and volume of collection system overflows during wet weather conditions. Under this program, MMSD strategies have included construction of additional flow storage and conveyance facilities, increased wet weather treatment capacity and upgraded the real-time control (RTC) in the operation of gates and diversions in the collection system. The most effective way to measure the impact of all of these improvements in the system is to use simulation models. The MMSD has formed a comprehensive modeling team charged with the responsibility of building and maintaining hydrologic and hydraulic models of the collection system.

ASCE Subject Headings:
Combined sewers