Water and Wastewater

Siloam Springs WWTP On-Site Reuse

Using reuse to reduce operation costs

The City of Siloam Springs, Arkansas, teamed with Garver to determine the benefits of reuse of the treated effluent as the primary plant utility water for operations at the Siloam Springs Wastewater Treatment Plant (WWTP) in lieu of using and paying for potable water. The City of Siloam Springs and Garver evaluated alternatives and developed a plan to separate the plant water distribution system from the potable water distribution system that had been implemented during construction. The recommended alternative included new piping throughout the WWTP, including associated valves, fittings, and yard hydrants for additional operations and maintenance, and a new triplex pump station adjacent to the chlorine contact basin. This new pump station pumps treated effluent water from the chlorine contact basin to the upgraded plant water system for use throughout the plant. The improvements have reduced the total WWTP average operating expenses by approximately 15% per month.

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Jeff Sober, PE

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Jeff Sober, PE

Director of Water Services

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