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Deploying Intelligent Leak Detection and Pressure Monitoring Solutions to Reduce Water Loss

Park City, UT

This project utilized acoustic and transient pressure monitoring sensors to monitor for leaks and understand the operational pressures and surges within Park City's network, and their impact on the structural integrity of the pipelines.

Topics Covered

Water Supply & Drought
Water Quality

Cost

Initial: 56 Thousand USD

Funding

General Fund/Existing Public Funds

Project Status

Operational since 2018

Gov Champion

The Park City Water Resource Manager

Problem Addressed

Since 1970, Park City had grown from a small mining town of 8,000 into a tourism and event destination spot with more than 600,000 annual visitors, and this rapid residential and commercial development was placing increased demands on groundwater resources.

Park City has more than 120 miles of pipe in its distribution network, many of which are more than 60 years old and are covered in mineral soil that is corrosive in nature. By reviewing SCADA and Sensus AMI consumption data, as well as results from a previous leak detection survey, the City was aware of leaks in their system that attributed to a loss of 100 GPM and wanted to better understand their system and reduce non-revenue water.

Solutions Used

Acoustic and transient pressure monitoring sensors were installed at 20 sites.

For more than 5 months the sensors were used to monitor for leaks and understand the operational pressures and surges within the network, and their impact on the structural integrity of the pipelines. Using real-time acoustic, pressure, and flow data integrated with advanced analytics 7 additional leaks were detected, bringing the total non-revenue water loss to 300 GPM. Additionally, findings from the transient monitoring revealed harmful pressure spikes generated by a soon-to-be-retired pump station. As a result, Park City was able to make repairs to leaks they were previously unaware existed, reducing non-revenue water losses and providing the Park City Public Utilities Department with peace of mind surrounding the current overall condition of its system and where future issues might arise.

Outcomes

1

During a 5-month period, 7 leaks were identified over nearly 13 miles of pipe which were responsible for water loss of 200 GPM.

2

Operating costs were reduced by about $50,000 annually, which is a direct savings to the community.

3

Transient monitoring revealed harmful pressure spikes generated by a soon-to-be retired pump station

4

Water savings alone will repay the programs costs associated with the condition assessment program in under 3 years.

Something Unique

The elevation changes involved in this project presented a unique challenge.

Who Should Consider

Utilities with high marginal costs of water and/or pressure from their boards to reduce non-revenue water.

Last Updated

May 23rd, 2019
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