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- Title
Contemplation of Improvement Efforts to Manage Combined Sewer Overflows †.
- Authors
Jung, Younghan Edwin; Jeong, M. Myung; Jun, Hwandon; Smith, Trevor
- Abstract
Combined sewer overflow (CSO) is a significant environmental concern and public health risk (e.g., water contamination, eutrophication, and beach closure). The Environmental Protection Agency (EPA) has introduced the National Pollutant Discharge Elimination System (NPDES) permitting program to regulate and address this matter. This program mandates the control of CSOs for more than 700 municipalities obligated to devise Long-term Control Plans (LTCPs) to curb combined sewer overflows and reduce them to safe levels. The LTCP involves diverse strategies, including sewer separation, green infrastructure improvements, and conventional gray infrastructure upgrades. This study investigates several municipalities' solutions for CSO problems that use conventional methods and wireless sensor technology as real-time control, mainly focusing on a comparative analysis of two cities, Richmond, Virginia, and South Bend, Indiana, such as their average rainfall, the frequency of overflows, and the capacity of treatment plants. The findings indicate that integrating sensor technology could significantly enhance modeling endeavors, bolster the capacity of existing structures, and substantially enhance preparedness for storm events. The EPA's Storm Water Management Modeling (SWMM) software is utilized. Through an analysis of SWMM data, the study suggests the potential for leveraging wireless sensor technology to achieve more robust control over CSOs and significant cost savings as a part of LTCPs.
- Subjects
SOUTH Bend (Ind.); RICHMOND (Va.); SEWERAGE; COMBINED sewer overflows; UNITED States. Environmental Protection Agency; CONTEMPLATION; REAL-time control; WATER pollution; GREEN infrastructure; ROBUST control
- Publication
Infrastructures, 2023, Vol 8, Issue 10, p150
- ISSN
2412-3811
- Publication type
Article
- DOI
10.3390/infrastructures8100150