Parsons honored for completion of AZ county wastewater reclamation plants

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PASADENA, CA, April 16, 2014 – On Wednesday, April 9, Parsons -- an engineering, construction, technical, and management services firm -- was honored by Pima County, Ariz., at a ribbon-cutting ceremony for its work on the Regional Optimization Master Plan (ROMP), including the completion of both wastewater reclamation facilities (WRF) projects Tres Rios and Agua Nueva in Tucson.

After almost a decade of planning, design and construction, the program is approaching completion with major achievements and cost savings. Accomplishments include a savings of more than $114 million (the original ROMP budget was $720 million and is currently forecasted to finish at $605 million) and an achievement of mandated regulatory compliance dates months ahead of schedule.

In addition, the odor control systems have been completed and are operational system-wide. These systems are controlling odors that have been problematic for county residents in the past. Moreover, the county’s oldest treatment facility, the Roger Road WRF, has been taken offline.

Parsons is one of the two firms serving jointly as the consultant program manager and is responsible for systems support and technical expertise regarding project controls, quality assurance/quality control, and program oversight. Completion of the Tres Rios and Agua Nueva WRF projects is slated for December 2014.

See also: “County uses electronic noses to monitor wastewater treatment plant odor

About Parsons

Parsons is a leader in many diversified markets with a focus on transportation, environmental/infrastructure, defense/security, and resources. Parsons delivers design/design-build, program/construction management, and other professional services packaged in innovative alternative delivery methods to federal, regional, and local government agencies, as well as to private industrial customers worldwide. For more information, visit


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