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Welcome to the Intermountain Section AWWA’s 2019 Annual Conference
Thursday, October 10 • 9:45am - 10:15am
Responding to Customer's Drinking Water Quality Concerns: A Risk Mitigation In Action

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The City of Mapleton, UT has received customer complaints over the years pertaining to drinking water taste, odor and color. As the City has continued to grow, water quality concerns have arisen as well pumping durations have increased. The City and J-U-B Engineers conducted a water quality assessment, characterizing risk and developing strategies to mitigate water quality risks.
A water sampling plan was developed at strategic locations in the distribution system. The analysis of the results focused first on source water chemistry and then on distribution system dynamics. The AWWA M68 manual was the guiding document through the assessment.
Being able to correlate customer complaints to operational conditions began to tell a story that suggests there is potential for differing source chemistry that impact taste, odor and color. There was no one single water quality parameter that can be attributed to customer complaints. Rather, awareness of source water interaction and how that source moves through the water distribution system provided a complete story. Data management and operations and maintenance strategies were recommended as the highest value solutions. The governing objective going forward is to proactively address water quality risk regarding customer confidence, that manifests in taste, odor and color concerns.

Speakers
avatar for Delmas Johnson

Delmas Johnson

Sr. Project Manager/Client Service Manager, J-U-B Engineers, Inc.
Delmas W. Johnson has 28 years of experience in the water industry as a consultant/engineer and water system/asset manager; currently a Sr. Project Manager with J-U-B Engineers. Delmas enjoys working with people in a collaborative environment, receiving/adding value with those he... Read More →


Thursday October 10, 2019 9:45am - 10:15am
Boiler Room

Attendees (18)