CASE STUDY – LuminUltra – Drinking Water

CASE STUDY

LuminUltra – Drinking Water

Optimising Tank Flushing Using a Rapid Decision-Making Framework

Problem: A municipality experienced water quality issues while commissioning a new elevated storage tank


Facility: Chlorinated distribution system


Size: 7ML tank


Investment: ETI used ATP to immediately quantify total microbial growth within the tank at a total cost of <$250


Economic Analysis: By quickly confirming low microbial growth, the utility saved $8,000 in
overtime wages, materials and wasted potable water

Drinking Water Luminultra Case Study

Synopsis: In 2017, a municipal water treatment plant was commissioning a new elevated tank. The tank had been cleaned, flushed and disinfected, but initial test results indicated unacceptable water quality. After a second cleaning, the tank was refilled and water samples were sent to the lab for follow-up testing. Because results would only be returned the following week, the utility had to decide whether to leave the uncirculated water in-situ over the weekend potentially causing further growth and requiring an additional tank draining and cleaning. A consultant from ETI performed ATP testing on the stored water and immediately confirmed very low microbiological growth. Water was left in-situ over the weekend and a second tank cleaning was not required, saving the utility $8,000.

First published at www.luminultra.com

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