Economic Issues in the Design and Analysis of a Wastewater Treatment Project
Dole, David | July 2002
Abstract
A wastewater treatment plant is often planned as one small part in a greater system to manage ambient water quality. Indeed, that is probably the best role for wastewater treatment, since the benefits of treatment are not secured unless all current and future pollution sources nearby are also controlled. When a comprehensive and effective system for managing water quality is in place, economic analysis of an individual treatment plant will not reveal the full motivation or justification for a plant. Instead, economic analysis should focus first on the greater system to manage water quality. If the system as a whole is economically justified, then any constraint imposed on an individual project can be taken as given. In that case, economic analysis of a project would consider only whether the project meets the constraints at least cost. Standard economic theory shows that least-cost wastewater management can be achieved if all point sources are controlled and face a charge set at the marginal cost of processing wastewater at the central treatment plant. These conditions can be easily obtained through the design and management of the plant. As such, both least-cost wastewater management and the economic justification for the plant can be directly built into a project.
Citation
Dole, David. 2002. Economic Issues in the Design and Analysis of a Wastewater Treatment Project. © Asian Development Bank. http://hdl.handle.net/11540/2346. License: CC BY 3.0 IGO.ISSN
1655-5236
Keywords
Environment
Wastewater
Wastewater Treatment
Water
Water Treatment
Environmental Regulation
Environmental Impact Assessment
Environment and Pollution Prevention
Contaminated Water
Groundwater Protection
Industrial Wastewater
Wastewater Treatment
Wastewater Collection
Water Pollution Control
Pollution Indexes
Pollution Control
Waste Disposal
Waste recycling
Environmental Health Water
Sanitation services wastes
Industrial Pollution
Water
Pollution
Environmental compliances costs
Ecological risk assessment
Environmental impact evaluation
Prevention of pollution
Local government and environmental policy
Liability for water pollution damages
Pollution control industry
Industrial waste
Domestic wastewater
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Citable URI
http://hdl.handle.net/11540/2346Metadata
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