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Private equity is moving into the US water sector at a pace as aging infrastructure needs replacing and environmental regulation keeps tightening. Public utilities are also locking in long-term capital commitments that create steady, predictable demand.
This has made investors increasingly interested in engineering consultancies, environmental services firms, and water technology businesses. There is significant opportunity for platforms pursuing buy-and-build strategies, but a gap in executive leadership talent is stalling many ambitious growth plans.
In this article, we explore the factors driving private equity activity in US water, why executive talent has become crucial to portfolio performance, and how specialist executive search gives investors an advantage in unlocking long-term value.

For investors seeking platforms where consolidation can create genuine value, water engineering presents an opportunity to acquire specialist businesses with established client relationships and scale in a market where demand is likely to stay strong.
The EPA estimates that the US requires $1.26 trillion in drinking water and wastewater investment over the next 20 years to maintain safe systems and replace aging assets. Private operators are responding to this demand as well, with the 15 largest regulated private water companies investing a record $6.8 billion in infrastructure during 2025, bringing their decade-long investment total above $43.5 billion.
For private equity firms, this creates an attractive investment environment because spending is being driven by necessity rather than market sentiment. Utilities cannot postpone regulatory requirements or ignore failing infrastructure indefinitely. That provides engineering firms and environmental service providers with a level of security that many other industries cannot offer.
The condition of America’s water networks is one of the clearest reasons the sector has become a focus for investors. Much of the infrastructure supporting communities today was designed decades ago, and utilities are now facing the financial consequences of delayed maintenance.
The US loses approximately 2 trillion gallons of treated drinking water each year through leaking infrastructure, costing utilities and customers around $6.4 billion annually. These losses highlight that utilities need better ways of monitoring assets, prioritizing investment, and expanding the lifespan of existing networks.
Firms with strong technical expertise, particularly those supporting utility planning, infrastructure rehabilitation, and capital program delivery, are becoming increasingly valuable acquisition targets because they sit directly in the sweet spot of infrastructure spending.
The water sector is also being reshaped by the growing focus on emerging contaminants, particularly PFAS. The EPA’s new drinking water standards are forcing utilities to address contamination risks that many systems were not originally designed to manage.
The Infrastructure Investment and Jobs Act committed $10 billion towards PFAS and emerging contaminant cleanup, creating a significant pipeline of work for businesses specializing in treatment solutions and environmental services.
However, the opportunity extends beyond compliance. PFAS is accelerating demand for companies that combine technical expertise with the ability to deliver complex projects at scale. For investors, this creates opportunities to back specialist firms that can become essential partners to utilities navigating increasingly demanding regulatory environments.
Utilities are increasingly investing in digital tools that allow them to identify issues before they become failures, improving reliability while reducing unnecessary maintenance costs. Predictive maintenance, smart monitoring, and digital twin technologies are moving the sector away from a reactive approach where problems are addressed after failure occurs.
Businesses that can combine engineering knowledge with digital capability are becoming particularly attractive because they support utilities' longer-term transition towards more efficient asset management. The most valuable platforms help customers manage increasingly complex infrastructure challenges through a combination of technical expertise and technology-driven solutions.
Across the US, many specialist engineering and environmental firms have built strong regional positions but lack the scale, resources, or succession plans needed to expand further. This creates a pathway for private equity-backed platforms to merge businesses and create more comprehensive solutions for utility customers.
However, the real value comes after the deal closes, when leaders must integrate different cultures and maintain the technical expertise that made the acquired businesses successful in the first place. As more capital enters the sector, the challenge for investors is shifting from identifying attractive acquisition targets to finding the executives capable of turning those acquisitions into scalable, high-performing platforms.
Private equity-backed businesses are expected to integrate acquisitions quickly, standardize operations, embrace digital technologies, and maintain strong client relationships, all while continuing to deliver complex technical projects.
That has changed the profile of the leaders that investors are looking for. While technical expertise remains essential, the most sought-after executives combine leadership with commercial awareness, integration experience, and the ability to lead organizations through periods of rapid change. Those individuals are in short supply, leaving many senior roles open for months and slowing the pace at which platforms can execute their investment strategies.
The industry's expanding requirements are exposing an increasingly limited leadership pipeline. Major infrastructure upgrades, tighter environmental regulation, and digital transformation are all increasing demand for specialist engineering expertise at the same time, placing pressure on businesses that are already competing for experienced technical leaders.
For example, the global PFAS treatment technology market is expected to grow from $2.1 billion in 2026 to $3.0 billion by 2033, while implementing PFAS filtration at a single utility can cost between $1 million and $46 million, depending on the treatment technology and plant capacity.
These projects require experienced process engineers, technical directors, and program leaders capable of managing complex delivery programs. Yet many of the professionals with those skills are approaching retirement, creating a succession gap that industry leaders must urgently address.
Acquiring businesses is only the beginning of a buy-and-build strategy. Delivering value depends on successfully integrating different organizations without disrupting client relationships, technical capability, or employee engagement.
Many regional engineering consultancies have been built around entrepreneurial founders or employee-owned models where decision-making is decentralized, and culture is closely tied to the leadership team. Transitioning those businesses into a PE-backed platform inevitably changes how the organization operates and introduces new governance, reporting structures, and performance expectations.
Without strong leadership guiding that transition, key employees may leave, collaboration between acquired businesses can stall, and the operational improvements that the investment relies on can take longer to materialize.

As leadership becomes a crucial factor in portfolio performance, executive search is playing an increasingly strategic role in buy-and-build strategies. Rather than searching for candidates with identical career histories, specialist executive search firms broaden the talent pool by identifying leaders with transferable experience from adjacent sectors such as utilities, environmental services, industrial technology, and civil infrastructure.
This skills-based hiring approach gives investors access to executives who have already led complex transformations, even if they have not spent their entire careers within water engineering.
Executive search partners also advise on how to attract and retain senior talent in an increasingly competitive market. Well-designed management equity programs (MEPs), long-term incentive plans, and co-investment opportunities often have a greater influence on executive decision-making than salary alone, particularly within PE-backed businesses where value creation is a key attraction.
Perhaps the greatest advantage is access to passive talent. Many of the strongest leaders are already running successful businesses and are unlikely to appear through standard recruitment channels. When combined with detailed market mapping and succession planning, specialist executive search enables investors to secure leadership earlier and build stronger platforms from the outset.
As engineering consultancies continue to consolidate, leadership quality will increasingly influence how quickly acquisitions are integrated and how effectively businesses scale the returns investors achieve.
At CSG Talent, we partner with private equity firms and portfolio companies across environmental engineering, water technology, and infrastructure to identify the executive talent needed to support integration and strengthen leadership teams.
Contact CSG Talent to discuss how our specialist executive search expertise can support your next acquisition, succession plan, or growth strategy.