Biosolids

Information & Environmental Management System

Last updated Oct. 15, 2019 - 10:12 am

The Neuse River Resource Recovery Facility (NRRRF) is a wastewater treatment facility. Biosolids are the nutrient-rich organic materials resulting from the treatment of domestic sewage. Biosolids management processes solid residue from wastewater treatment. Processing reduces or eliminates pathogens and minimizes odors. This results in forming a safe, beneficial agricultural product.

Neuse River Resource Recovery Facility Biosolids Program

The NRRRF treats wastewater from Raleigh, Garner, Rolesville, Wake Forest, Wendell, Knightdale and Zebulon. It is a 75 MGD plant located in southeast Raleigh. The plant produces 40 dry tons of biosolids per day.

Diversification of products and distribution is the key to the success of the NRRRF biosolids program. The program produces and distributes three types of biosolids.

  • Class A biosolids (Raleigh Plus) - applied to area agricultural and institutional land.
  • Dewatered sludge - used in commercial composting in a Class A compost/mulch product.
  • Class B biosolids - land applied on municipal and privately owned farm land.

A landfill contract is also in place as an emergency alternative should any of the other outlets become unavailable.

Map of area of application: Aerial | Topographic

Environmental Management Systems (EMS)

The EMS integrates environmental considerations into day-to-day operations and decision-making. It is also for improving organizational performance over time. The NRRRF is a 14001:2015 certified facility.

The EMS has to be re-verified by an independent third-party auditor. Re-verification occurs every three years with surveillance audits of the program conducted annually. This re-verification certifies the NRRRF has an effective EMS that:

  • supports continual improvement of environmental performance
  • meets regulatory compliance obligations
  • uses good management practices, and
  • creates meaningful opportunities for public participation.

Policy Statement - September 2019

The Resource Recovery Division recognizes the responsibility to protect the environment and public health focusing on products for beneficial reuse by:

  • Meeting or exceeding compliance obligations
  • Seeking continual improvement
  • Promoting positive relations with interested parties
  • Protecting the environment, including prevention of pollution
  • Following the principles of National Biosolids Partnership Code of Good Practice


Approved by: Robert Massengill – Director of Public Utilities

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