Backing Them Up – Staging Inline Storage and Green Infrastructure as Low-Cost Steps Towards Controlling a Big CSO
This paper will provide guidance for municipal utilities in developing a staged approach for reducing overflows based on lessons learned from the Willow Run CSO. First, the paper will discuss challenges and opportunities for the Willow Run drainage basin within the context of SD1's regional priorities and Consent Decree requirements. Second, this paper will consider planning and implementation issues for static and dynamic controls for inline storage of wet weather flows, including risk-based evaluations of potential surface/basement flooding locations and assessments of both local and system-wide overflow impacts. Features of SD1's green infrastructure concept plan for the I-71/I-75 corridor, which falls within Willow Run CSO boundaries, will also be summarized.
Keywords: InfoWorks; Phased implementation; capacity management; combined sewer system overflows (CSOs); dynamic control; green infrastructure; inline storage; modeling; overflow abatement planning; real time controls (RTC)
Document Type: Research Article
Publication date: 2010-01-01
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