Overview

The Town of Cary proactively takes steps to minimize and reduce odors emitting from the North Cary Water Reclamation Facility.

Actions Taken

While the North Cary Water Reclamation Facility has not received any odor complaints for several years, we actively take action to address these issues before they become a nuisance.

To reduce the impacts of fugitive odors from the influent pump station and the main facility, the following measures have been taken:

> North Cary WRF processes biosolids and the material is transported via tanker trucks to the South Cary WRF for further treatment in a thermal biosolids dryer.

> Less retention time in our storage tanks greatly reduces odor potential.

> Effectively controlled emissions release by attentive operations and maintenance staff.

> Installation of biofilters to effectively reduce odor releases at susceptible locations.

· Biocubes installed at influent pump station in 2003

· Biocube installed at influent parshall flume in 2004

· Biotrickling filter installed at influent distribution box in 2010

> Odor control studies completed by consultants to identify problem areas.

> Removal of screenings and grit in a frequent basis to minimize odors.

> Application of neutralizing spray mist agents to storage tanks to minimize odor release.

> Chemical addition into the waste stream to counteract release of odors in the incoming collection system.

Future Actions to be Taken

The Town of Cary has contracted with engineering consultants to complete a study and ultimately a design to further make improvements to the influent pump station. This design and construction should be completed by the end of 2012. Major equipment improvements along with technological advanced odor control will give us a more robust system that adds additional safety factors for minimizing odor release potential.

The goal of the Town of Cary is to have an odor free facility that is a good neighbor to the community.  Staff is committed to being a good neighbor by addressing any concerns early and proactively taking action to minimize potential impacts.

Contact

For more information or to provide feedback, please contact:

Jamie Revels, P.E.
Utilities Director
Town of Cary, Utilities Division
400 James Jackson Avenue
Cary, NC 27513
Phone: (919) 469-4303
Fax: (919) 469-4304
Email: jamie.revels@townofcary.org