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Post at 26 Jul 2017

City of College Station reduces operational costs and downtime with plantwide control solution from Rockwell Automation

Background

Home to the main campus of Texas A&M University, College Station, Texas has a population of nearly 100,000.
The city runs a groundwater production transmission system and wastewater treatment facility that services more than 100,000 people and produces up to 27 million gallons of water at peak demand during the summer.
Pumping groundwater from wells around the county, the College Station Water Services (CSWS) cools the water and transports it through water lines to a second pump station for further treatment. From there, water is transported into the distribution system and two elevated storage tanks.
Raw wastewater travels through a network of over 275 miles of wastewater collection lines to one of two award-winning wastewater treatment plants owned and operated by the city of College Station.
The complex process requires a sophisticated control system to help ensure efficiency and regulatory compliance.

 

Over the past two decades, CSWS has worked to increase city water production and delivery capacity, as well as improve the water quality and treatment process.
To help accomplish these goals, CSWS planned to replace outdated equipment with one integrated process control/SCADA system.
Challenge
  • Aging control system was putting a strain on staff and providing little to no access into real-time process data
Solutions
Results
  • Increased production from 8.1 million gallons per day to 11.8 million gallons.
  • Reduced energy costs by $65,000 annually.
  • Reduced spare parts inventory from $250,000 to less than $20,000 per year.
  • Standardized solution eased troubleshooting and maintenance.
  • Decreased downtime through remote troubleshooting capabilities and virtualized servers.
Category: Water Wastewater