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Expert Interviews

Leslie Turner Discusses Providing Municipalities with Safe Drinking Water

Headshot of Leslie Turner

Leslie Turner has more than 20 years of experience in planning, permitting, design, project management, and construction management for water programs throughout the Southeastern United States.

She has served in a senior management role for numerous engineering programs, including water treatment and distribution, wastewater collection and treatment, reclaimed water, and aquifer storage and recovery. She has extensive experience assisting clients with utility master planning and developing funding and capital improvement programs.

Leslie is a member of the American Water Works Association and the Water Environment Federation. She received a Bachelor of Science in Environmental Engineering from the University of Central Florida. She is a Board Certified Environmental Engineer, a certified Project Management Professional, and a registered Professional Engineer in Texas, Florida, and Georgia.


What trends are you seeing with municipal drinking water sources?

Many large municipalities are facing uncertainty in securing sustainable, long-term drinking water supplies for growing populations and combating effects of drought. To help address this need, many are diversifying their water supplies. New, more resilient supply sources being introduced include lower-quality sources, such as brackish groundwater, as well as more traditional sources, including fresh surface water and groundwater located outside of demand centers. These new supplies can be located many miles away and are most cost-effective when multiple municipalities work together to secure transmission of those supplies to their population centers.


What challenges are municipalities facing to provide safe drinking water for their customers?

In addition to securing supplies, many municipalities also must manage aging infrastructure. Renewal and replacement programs often are the first to be placed on hold as budget concerns arise. However, operating these maintenance programs in a reactive manner may lead to higher costs.

Another challenge associated with water infrastructure is loss of historical knowledge due to staff retirement. Operators working for utilities for many years understand the nuances of the systems. If not managed correctly, retirement of these key staff can prove to be a loss of institutional knowledge to the municipality.


What innovative technologies are you seeing in the industry?

Municipalities are turning to technology to optimize use and maintenance of their assets and accurately inventory and model their systems. Real-time controls can be used to move or wheel water throughout a utility’s service area and optimize the best use of the available water supply sources. Implementation of innovative instrumentation and control systems provides many benefits, including centralized control of facilities and data management and trending analysis. When implemented proactively, geographic information systems (GIS) and computerized maintenance systems can provide accurate information regarding system assets, which can be used to allocate limited funding for renewal and replacement programs.


Can you give us an example of how Tetra Tech is assisting municipalities with the challenges they face?

We use our Tetra Tech Delta suite of technologies for smart planning and responsive solutions to assist municipal clients in addressing a whole range of challenges as their drinking water systems age and their populations grow. Our instrumentation and controls experts are developing custom supervisory control and data acquisition (SCADA) master plans for clients across the United States. We have worked with many municipalities to develop regionalization plans to provide resilient alternative water supplies to meet customer demands. Our GIS and database developers are creating apps for staff to collect real-time data in the field that automatically integrates into the client’s main database. We recently completed a project for one of the largest municipalities in Texas, the San Antonio Water System, which included the design and construction of facilities to receive water from 142 miles away and wheel that water through their distribution system.

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