Customer Story

Capitalizing on Flow Monitoring with Trimble Raven Eye

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2 | Capitalizing on Flow Monitoring with Trimble Raven Eye Background The Des Moines Wastewater Reclamation Authority (WRA) is the regional wastewater facility for the Des Moines metro area, providing water services to 18 metro area municipalities, counties, and sewer districts in the Des Moines area. WRA is an award-winning clean water agency, having received the National Association of Clean Water Agencies (NACWA) Peak Performance Silver Award ten consecutive times. WRA has 110 flow meters placed throughout the metro area to assist in monitoring flows within the city's water infrastructure network. They also use these flow meters to determine each community's share of WRA expenses depending on the flows from different sections of the city. Flow monitoring data is instrumental in tracking the inflow/ infiltration that comes from each community. The data collected is used to implement plans for reducing extraneous flows and informs various aspects of community development such as master planning and strategic planning initiatives for future growth. WRA By the Numbers + Serve a population of nearly 500,000 people + Treat an average of 57.8 million gallons of wastewater per day + Treat over 21,100 loads of commercial and industrial hauled waste from 90 different customers + Produce over 81,000 wet tons of biosolids for application on surrounding agricultural land + Inject 104,218 MMBTU of refined biogas into the natural gas pipeline + Save $1.052 million by reusing 641 million gallons of treated effluent for operational processes Table of Contents Challenge Solution Outcome Benefits

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