Ameresco Completes Wastewater Infrastructure Rehabilitation Project for the City of Mesquite
Ameresco Completes Wastewater Infrastructure Rehabilitation Project for the City of Mesquite
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Key Terms
wastewater infrastructuretechnical
Wastewater infrastructure is the network of pipes, pumps, treatment plants and monitoring equipment that collects and cleans used water and sewage before returning it to the environment or reusing it. For investors, it matters because these are long-lived public assets driven by regulation and population growth, offering stable revenue opportunities but requiring large, predictable capital spending and carrying risks from aging systems, environmental fines, and changing water policies—think of it as a city’s plumbing that must be maintained to keep everything running.
inflow and infiltrationtechnical
Inflow and infiltration is water that ends up in a sewer system from two sources: inflow is direct runoff or stormwater entering through improper connections like downspouts or manhole covers, and infiltration is groundwater or soil moisture leaking in through cracks and joints—think of water pouring into a house through a broken gutter versus slowly seeping under the foundation. It matters to investors because extra water increases treatment volumes and costs, speeds infrastructure wear, can lead to regulatory fines, and often forces significant repair or upgrade spending that affects utilities’ revenues and bond-backed municipal budgets.
polymeric lining systemtechnical
A polymeric lining system is a layer of engineered plastic or resin applied to the inside surfaces of pipes, tanks, concrete, or metal equipment to protect them from corrosion, chemical damage, or wear—think of it as a waterproof, chemical-resistant coating inside industrial plumbing and storage. For investors it matters because these linings extend asset life, reduce maintenance and unplanned downtime, lower repair and replacement costs, and help companies meet safety and environmental rules, which can improve profitability and reduce risk.
advanced metering infrastructuretechnical
A network of digital meters, communication systems and data platforms that lets utilities read usage remotely, detect outages, and send or receive signals about supply and demand. Think of it as the utility’s nervous system that replaces periodic manual meter readings with continuous, two-way data flow. Investors care because it changes how utilities earn and spend money: it can cut operating costs, enable new services and pricing, improve revenue accuracy, and create capital needs and cybersecurity risks that affect returns.
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Citywide infrastructure project targeted aging manholes with structural repairs, improving wastewater system reliability, long-term performance, and safety for the community
FRAMINGHAM, Mass. & MESQUITE, Texas--(BUSINESS WIRE)--
Ameresco, Inc., (NYSE: AMRC), a leading energy infrastructure solutions provider, today announced the successful completion of the first phase of a multi-year, citywide manhole rehabilitation initiative with the City of Mesquite, Texas, which maintains approximately 6,400 manholes across its wastewater system.
Before-and-after views of rehabilitated manholes in Mesquite, Texas, highlight Ameresco’s work to restore aging wastewater infrastructure, improving system performance and helping reduce long-term maintenance costs.
As part of the project, Ameresco rehabilitated more than 190 manholes throughout the city’s wastewater infrastructure that have shown signs of deterioration. The project is intended to help minimize the risk of inflow and infiltration of stormwater and address potential structural failures, ultimately reducing system inefficiencies and wastewater treatment costs associated with aging manholes.
“We’re proud of our continued partnership with the City of Mesquite and the successful completion of this important infrastructure investment,” said Louis Maltezos, Co-President of Ameresco. “Modernizing wastewater infrastructure strengthens system reliability and positions communities to meet future needs with confidence. This project supports the modernization of critical infrastructure to strengthen system reliability and long‑term performance.”
Ameresco provided a full wastewater rehabilitation solution that included the supply and installation of a multi-layered polymeric lining system to restore structural integrity of the manholes and extend service life. Prior to coating installation, each manhole structure underwent a comprehensive cleaning process, with any identified holes or cracks grouted and plugged to create ideal surface conditions for maximum coating adhesion and long-term performance.
“The City of Mesquite is committed to providing quality water and wastewater services to our customers with limited disruptions,” said Cliff Keheley, City Manager. “This proactive approach to rehabilitate aging assets not only prevents disruptions, it manages costs. Programs like the ones offered by Ameresco help the City provide consistent and affordable services to our citizens.”
This project marks the latest initiative in a successful multi-year partnership with the City of Mesquite focused on modernizing critical water infrastructure. Previous collaboration efforts included the implementation of a comprehensive smart metering infrastructure project serving the city’s residential and commercial water utility customers.
About Ameresco, Inc.
Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. Our comprehensive portfolio includes implementing smart energy efficiency solutions, upgrading aging infrastructure, and developing, constructing, and operating distributed energy resources. As a trusted full-service partner, Ameresco shows the way by reducing energy use and delivering energy infrastructure solutions to Federal, state and local governments, utilities, data centers, educational and healthcare institutions, housing authorities, and commercial and industrial customers. Headquartered in Framingham, MA, Ameresco has more than 1,500 employees providing local expertise in North America and Europe. For more information, visit www.ameresco.com.
The announcement of completion of a customer’s project contract is not necessarily indicative of the timing or amount of revenue from such contract, of Ameresco’s overall revenue for any particular period or of trends in Ameresco’s overall total project backlog. This project was included in Ameresco’s previously reported contracted backlog as of March 31, 2026.
