Lean Six Sigma allowed the City of Fort Wayne Waste Water Treatment Plant to avoid the purchase of a $1.7 million digester and improve efficiency 300% beyond their goal.
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PROBLEM
The City of Fort Wayne’s Wastewater Plant needs to increase the gallons of waste activated sludge that is
processed from 50% to 90% to better maintain the treatment of wastewater.
SOLUTION
An analysis determined several factors impacted the plant’s ability to process sludge. Plant staff was able to improve
the production of sludge by increasing the thickness of the sludge and running the centrifuge continuously.
SAVINGS
The City avoided having to pay $1.7 million to improve equipment at the plant. The project also resulted in a
savings of $28,000 a year. Other benefits include increased capacity at the plant and a reduction in combined
sewer overflows.
"Further information on this case study available at www.
Several key staff members at the City of Ft. Wayne worked on this project and formed the The High Performance Government Network. It is a member driven not-for-profit corporation that is dedicated to designing, developing, and deploying high performance accountable public services. For more information on how they can assist your city or municipality, contact them.
Empowered Municipality has partnered with the HPG Network and will be following this project as one of its Featured Case Studies, along with many others. We will be inviting experts from many disciplines to contribute to the overall case study. These kinds of studies will form a unique public asset from which other municipalities can learn from.
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