CDM awarded $1.8M stream restoration project

CDM will lead the design and construction of a landmark restoration project for the Central Arroyo Seco Stream on behalf of the Arroyo Seco Foundation and the city of Pasadena. Work to be performed will include enhancements to recreate the stream's natural habitat, water pollution prevention, and stormwater runoff treatment. The reintroduction of the Arroyo chub, a native fish of the Arroyo Seco Stream, is an integral part of the stream restoration...

• Integrated watershed program addresses water quality, ecosystem health, and community education and recreation

PASADENA, CA, Dec. 17, 2007 -- CDM will lead the design and construction of a landmark restoration project for the Central Arroyo Seco Stream on behalf of the Arroyo Seco Foundation and the city of Pasadena. Work to be performed will include enhancements to recreate the stream's natural habitat, water pollution prevention, and stormwater runoff treatment.

The reintroduction of the Arroyo chub, a native fish of the Arroyo Seco Stream, is an integral part of the stream restoration. Backwater pools and riffles will be built to help recreate the chub's natural habitat. In addition, native plants will be returned to the stream and non-native invasive plant species will be removed. Pasadena's placement of full-capture trash inserts in the city's storm drains will prevent stream pollution.

The nearby Rose Bowl Parking Lot I will also be improved. Rock swales with attractive native plants will be placed in the lot to capture oil and grease, while giving the lot a park-like feel. Boulders from other construction in the area will be put back in the Arroyo Stream, a resourceful means to create riffle pools while using all natural, in-stream materials for the restoration.

According to Wendy Katagi, CDM project manager, "This work will physically change how people live in the Arroyo Seco area -- the community will be touched by the improved health of the stream." Pedestrians and equestrians will benefit from safer stream crossings and trails, signage, and opportunities to observe native fish and other wildlife returning to the Arroyo. Kiosks will promote community participation and education to maintain the environment and highlight native plant, bird, and fish species.

The passion of Tim Brick, the director of the Arroyo Seco Foundation, is driving the project momentum. "By thinking green and restoring the city's historic landscapes, we are ensuring the future and sustainability of Pasadena," said Brick.

CDM is a consulting, engineering, construction, and operations firm helping public and private clients worldwide.

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