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Phase III – Combined Sewer Overflow Control Facilities Program

Reducing negative economic impacts

  • Providence, Rhode Island

    Providence, Rhode Island

Combined sewer overflows were impacting the environment, but the solution needed to consider economics

In 1988, the Narragansett Bay Commission (NBC), which operates wastewater collection and treatment facilities for 10 member communities, began a three-phase, combined sewer overflow (CSO) abatement program. The goal? To reduce untreated CSO discharges to Narragansett Bay.

The program will lower annual CSO volumes and reduce the closure frequency of Narragansett Bay shellfish beds, the closing of which has a major economic impact on the community. The first two phases were successfully completed in the Fields Point service area, whereas phase III includes the Bucklin Point service area and the rivers leading to Narragansett Bay.

Before starting phase III, we re-evaluated and optimized the plan using an integrated planning approach and affordability impact assessment. This approach supported the development of a four-phase implementation plan for phase III that would maintain the NBC’s affordability goals—and save approximately $60 million. Phase A includes the most environmentally beneficial projects to be completed by 2025, and the remaining phases (B through D) will be completed by 2041 to help reduce the cost impact to NBC’s rate payers.

At a Glance

Offices
Client
  • Narragansett Bay Commission
Partners
  • Pare Corporation
Meet Our Team

Melissa Carter, Vice President, Director of Project Management

My focus is to drive project management best practices and grow our reputation for project delivery excellence in the communities we serve.
Melissa Carter Vice President, Director of Project Management Read More

Christopher Feeney, Senior Associate, Civil Engineer

I enjoy the challenge of my work–identifying a problem and developing a viable solution to protect public health and the environment.
Christopher Feeney Senior Associate, Civil Engineer Read More

Gavin Gilchrist, Vice President, Program Development

Stay curious and ask yourself why you are doing something—always look at things from the perspective of others.
Gavin Gilchrist Vice President, Program Development Read More

Melissa McDaniel, Principal, Program Controls Manager

My goal is to implement user friendly controls systems that track all of my clients' desired metrics.
Melissa McDaniel Principal, Program Controls Manager Read More

Melissa Carter

Vice President, Director of Project Management

Christopher Feeney

Senior Associate, Civil Engineer

Gavin Gilchrist

Vice President, Program Development

Melissa McDaniel

Principal, Program Controls Manager

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