Steps Leading to an Effective Retrofit Odor Control System


  • Richard J. Pope PE, BCEE - Hazen and Sawyer
  • Thomas J. Lauro PE - Westchester County Department of Environmental Facilities

How can an owner decide from among the many viable odor control technologies available today which will work best for the odor situation at her/his facility, especially when they are bombarded by information overload and promises of zero odors from the vendors trying to sell their particular technology? And then, can it be installed without impacting plant operations?

Retrofitting odor control systems is always a challenge since the maintenance of plant operations while installing the odor control technology can be extremely difficult. So it was with the New Rochelle Wastewater Treatment Plant in Westchester County, New York. Located on the shore of Long Island Sound, its neighbors were so close and varied a high degree of odor control was required during their recent process plant upgrade.

paper will review the answers to several questions about odors, regulations, and retrofitting technologies, and demonstrate that odor control obstacles can be overcome.

For more information, please contact the author at

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Horizons Fall 2017 (pdf)

Horizons showcases significant water, wastewater, reuse, and stormwater projects and innovations that help our clients to achieve their goals, and can help you achieve yours. Articles are written by top engineers and process group leaders, demonstrating and explaining the beneficial application of a variety of technologies and tools.

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