McCarthy Completes Arizona 8-Million-Gallon Water Treatment Plant

It's estimated that the state has a population 7.6 million people.

Source : Wikimedia

January 15, 2026

Author : Patty Allen

One of the recent projects that has been carried out by McCarthy is the construction of the new water treatment plant in the state of Arizona. 

This plant is called the Signal Butte Water Treatment Plant and is found in Mesa with its own 8-million-gallon reservoir. This water facility is capable of supporting the new population.

The initiative forms part of a larger response by Arizona's cities to enhance water infrastructure in the face of climate change and growth. This particular infrastructure project will enhance water storage for the city by acting as a buffer during peak hours and emergency water needs. The new water reservoir will be crucial for a smooth water supply in the East Valley region.

Beyond capacity expansion, the facility integrates advanced technology to improve efficiency and reduce loss of water. McCarthy integrated advanced leak detection systems and digital monitoring tools to aid operators in early problem identification to minimize waste. According to a report, sensors, as well as analytics data, continuously track data such as the rate of flows as well as pressure changes so as to detect a leak before it becomes expensive.

Hence, projects such as this water infrastructure upgrade have become increasingly important in the western United States, particularly due to the drought-stricken conditions coupled with rising temperatures within the region. Such water-conserving projects are important for not only the community at large, but the environment as well. 

In fact, a recent opinion spotlighted how inadequate wastewater and water reuse facilities contribute to energy use, environmental stress, and encouraged people to support projects that would upgrade their local facilities in the interests of conservation and efficiency.

Both the states and the federal government are increasing investments in water projects. In the case of California, for instance, recent investments in infrastructure have led to an increase of billions of gallons of clean drinking water in the state’s supply. In the case of Arizona, though the project is of a smaller scope, the same is true.

In the case of Arizona, another step forward in the infrastructure spending sprees is the finished Signal Butte facility. In fact, the state is experiencing significant investments in transportation and utility infrastructure, such as the $600 million highway contract awarded to Sundt, and Arizona’s $1 billion highway widening plan. Supporting these undertakings is the commitment to develop essential infrastructure to address anticipated future requirements.

Secondly, the role of McCarthy in the project underscores the increased role of large contracting companies in building complex public works. Through the combination of the company’s construction expertise and technology, such companies as McCarthy are enabling cities to build not only bigger systems but also smarter ones.

As the state of Arizona continues to expand in the coming years, the coming into operation of plants such as the Signal Butte Water Treatment plant is imperative in ensuring that the growing population has water. This plant has therefore played an important role in providing water for the coming years.

Category : Investment in Infrastructure State Government

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