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
