The WEF Sustainable Utilities Task Force presents a resource for utility managers seeking examples of succesful sustainability practices

Cashing in on Public Involvement Investment: Louisville Achieves Compliance at Half the Cost

Louisville and Jefferson County Metropolitan Sewer District (MSD)
Louisville, Kentucky

In response to a Consent Decree entered into Federal Court in August of 2005, the Louisville and
Jefferson County Metropolitan Sewer District (MSD) developed an Integrated Overflow
Abatement Plan (IOAP) to control the community’s combined sewer overflows (CSOs) and
sanitary sewer overflows (SSOs). The Consent Decree contained a provision for stakeholders to
participate in the development and implementation of the Long-Term Control Plan and the
Sanitary Sewer Discharge Plan.
Recognizing that the development of the IOAP Program would represent a major investment for
the community, MSD expanded the influence of the stakeholder group to assist in developing
community support for the investments necessary to comply with the Consent Decree

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Posted: May 20th, 2011 | Filed under: 500K-1M, Sanitary Sewer, Stormwater, Water Treatment | Tags: , , , , , , | No Comments »

A Triple Bottom Line Assessment of Traditional and Green Infrastructure Options for Controlling CSO Events in Philadelphia’s Watersheds

Philadelphia Water Department (PWD)
Philadelphia, Pennsylvania

The Philadelphia Water Department (PWD) is currently evaluating the implementation of various combined sewer overflow (CSO) control alternatives. This includes traditional engineering approaches that rely on physical infrastructure (e.g., building large diameter tunnels), as well as more “natural” approaches that rely on “green infrastructure” techniques (e.g., vegetated bioswales, permeable pavement).This report provides a Triple Bottom Lineoriented benefit-cost assessment of the CSO control alternatives under consideration by PWD. The focus is on the

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benefits and external costs of the alternatives. The key finding of this report is that the green infrastructure approaches generate a broader and more valuable array of environmental, public health, and social benefits than do traditional CSO control strategies. Benefits of green infrastructure evaluated and monetized include: Improved recreation opportunities, increased property values, reduced heat-stress related fatalities, improved air and water quality, green jobs, reduced energy use, and reduced disruption due to construction and maintenance activities.

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Posted: May 20th, 2011 | Filed under: >1M, Sanitary Sewer, Stormwater, Waste Water Treatment, Water Treatment | Tags: , , , , , , , , , , | No Comments »