CITY NEWS
CUTTING-EDGE WATER CONSERVATION TECHNOLOGY TO BE PILOTED IN PHOENIX THE CITY OF PHOENIX WATER SERVICES DEPARTMENT, RECENTLY ANNOUNCED IT IS THE RECIPIENT OF AN APPROXIMATELY $100,000 GRANT BY THE U.S. BUREAU OF RECLAMATION FOR AN INNOVATIVE WATER CONSERVATION PROGRAM.
The grant will allow Phoenix Water, in partnership with Arizona State University (ASU), to pilot new technology to reduce lawn water usage between 40 and 45 percent, based on results experienced in California. “When you live in a desert city, it’s essential to explore innovative ways
to conserve water for future generations,” said Phoenix Water Services Director Kathryn Sorensen. “With the successful completion of the pilot, there is potential to extend the technology to other areas within the City of Phoenix.” The pilot will be performed on 12 acres of existing soccer fields near ASU-West in Phoenix, owned by the City and ASU. The process involves injecting water-absorbing polymers (known as “hydrogel”) below the root zone of existing turf. The hydrogels can absorb up to 400 percent of their weight in water and release up to 96 percent of the water to the turf, as needed. The injected hydrogels retain the ability of repeating water absorptions and release over a period of 5-7 years. About 60 percent of water consumption in the arid Southwest occurs during exterior landscaping, JoEllen
Alberhasky, Program Manager for Sustainability Practices at Arizona State University said. “We are eager to see if this project produces similar or better conservation results in our climate and soil as compared to California.” She adds, “If so, it will become another valuable tool in addressing the ongoing drought in Arizona.” The existing soccer fields at ASU currently consume roughly 11 million gallons (34 acre-feet) of water per year at a cost of approximately $63,500. At a 40 percent reduction, 4.4 million gallons (13.5 acre-feet) of water and $25,400 thousand per year will be saved. Additionally, based on a conservative 5-year life cycle for the hydrogel, savings could equate to 22 million gallons (67.5 acre-feet) of water and $127,000 in savings over the life of the pilot. Application to these 12 acres will take approximately 6-8 weeks.
INTERSTATE 17 LANE RESTRICTIONS THE SOUTHBOUND I-17 OFFRAMP AT PINNACLE PEAK ROAD WILL BE CLOSED CONTINUOUSLY THROUGH MID-NOVEMBER. Crews are scheduled to construct the new southbound I-17 exit ramp.
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4 • October 2019 • DEER VALLEY TIMES
ADOT recommends allowing extra travel time and planning for possible delays. Alternate routes include: • Exit southbound I-17 at Jomax or Happy Valley roads and travel east to southbound 19th Avenue; or • Travel south on I-17 to the Deer Valley Road exit, then travel east to northbound 19th Avenue or west to northbound 35th Avenue. Expect additional closures and restrictions on I-17, Pinnacle Peak and Happy Valley roads this fall as new off- and on-ramps are built; the existing Pin-
nacle Peak Road bridge is demolished; and traffic is switched onto the newly constructed westbound Pinnacle Peak Road bridge for the short-term.
The purpose of this project is to improve safety and traffic flow as population growth and development in this area continues. Construction is occurring within existing ADOT right of way. ADOT does not need to acquire any additional property. Schedules are subject to change based on weather and other unforeseen factors. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or go to azdot.gov/contact and select Projects from the drop-down menu. For realtime highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving. deervalleytimes.com
