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Continuous Model Simulations to Develop a Phased Approach for SSO Control in Piqua, Ohio

Ben Gamble, Derek Wride and Dave Burtner (2010)
CDM Smith; City of Piqua
DOI: https://doi.org/10.14796/JWMM.R236-02
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Abstract

The City of Piqua, Ohio, initiated a study to develop an alternative for meeting regulatory requirements regarding an active sanitary sewer overflow (SSO) in its wastewater collection system. Continuous hydraulic model simulations were used to study how to reduce the frequency of the city’s SSO. The U.S. Environmental Protection Agency’s Storm Water Management Model (SWMM) version 5 built upon the city’s existing model and validated the model based on reported annual SSO activity using continuous simulations. The city’s collection system includes 120 mi sanitary sewers. The city’s wastewater treatment plant (WWTP) accepts an average flow of 4 MGD. Five-year continuous simulations were used to assess performance of an alternative that included an equalization (EQ) basin to store excess wet weather flows (WWFs) to greatly reduce SSO. The modeling identified existing system hydraulic capacity limitations and helped to optimize the EQ basin alternative. Optimization included using the model to identify an EQ basin location that uses gravity-in/gravity-out operation, minimizing infrastructure modifications. The continuous simulation approach resulted in a phased alternative and corresponding conceptual design that will provide the city with flexibility in controlling SSO.

 

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PAPER INFO

Identification

CHI ref #: R236-02 756
Volume: 18
DOI: https://doi.org/10.14796/JWMM.R236-02
Cite as: CHI JWMM 2010;R236-02

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2010

Status

# reviewers: 2
Version: Final published

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© 2010 CHI. Some rights reserved.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

All papers published in the JWMM are licensed under a Creative Commons Attribution 4.0 International License (CC BY).

JWMM content can be downloaded, printed, copied, distributed, and linked-to, when providing full attribution to both the author/s and JWMM.


AUTHORS

Ben Gamble

CDM Smith, Cincinnati, OH, USA
ORCiD:

Derek Wride

CDM Smith, Columbus, OH, USA
ORCiD:

Dave Burtner

City of Piqua, Piqua, OH, USA
ORCiD:


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