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Long-Term Continuous SWMM Modeling of Combined Sewers

Agnes Ayuso and Mitchell C. Heineman (1998)
Camp Dresser & McKee
DOI: https://doi.org/10.14796/JWMM.R200-05
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Abstract

In the early 1990s, the U.S. Environmental Protection Agency and the New Hampshire Department of Environmental Protection negotiated a consent agreement with the City of Nashua, New Hampshire (population 100,000) to address the problem of combined sewer overflows (CSOs). In 1992 a Phase I CSO study was completed as a first step towards the long-term abatement of these CSOs. A SWMM model of the Nashua combined sewer system was developed in 1996 as a tool to simulate alternatives for CSO control, which included treatment and storage facilities. This chapter describes the development of the model's input, its calibration, and its use for long-term continuous simulations. This model utilized a broad range of SWMM features, including RUNOFF, TRANSPORT, EXTRAN, TEMP, RAIN, and STATISTICS blocks. It demonstrates the feasibility of long-term continuous simulations for urban sewer systems, while also highlighting present limitations of the SWMM model that must be addressed before continuous EXTRAN simulations are practical for larger cities.

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PAPER INFO

Identification

CHI ref #: R200-05 1058
Volume: 6
DOI: https://doi.org/10.14796/JWMM.R200-05
Cite as: CHI JWMM 1998;R200-05

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 1998

Status

# reviewers: 2
Version: Final published

Copyright

© 1998 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

Agnes Ayuso

Camp Dresser & McKee, Cambridge, MA, USA
ORCiD:

Mitchell C. Heineman

Camp Dresser & McKee, Cambridge, MA, USA
ORCiD:


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