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The U.S. sewage treatment industry is undergoing a major transformation. With more than half of the approximately 15,000 sewage treatment plants in the country having been in operation for more than 10 years, it is estimated that more than 3,000 sewage treatment plants will face the need for upgrades and renovations in the next decade under the stock optimization policy promoted by the Biden administration's "Bipartisan Infrastructure Act". This trend has created huge development space for the ROT (Renovation-Operation-Transfer) model.

The current industry presents three core opportunities:

Policy-driven upgrading and renovation: The Environmental Protection Agency (EPA) is promoting the upgrading of sewage treatment standards, requiring more facilities to meet stricter nitrogen and phosphorus emission limits, and some states have even begun to pilot carbon-neutral sewage treatment technology.

Technological innovation brings new profit points: Advanced solutions such as MBR membrane treatment technology and AI-driven smart water systems are changing traditional operating models, helping operators reduce energy consumption and improve treatment efficiency.

Regionalized integrated operation trend: Successful cases like the "Bay Area Water Alliance" in California show that regional packaged operations can reduce management costs by 15%-20%, and this model is being adopted by more local governments.

But the road to transformation is not smooth. US sewage treatment plants face three major challenges:

Traditional engineering companies need to transform into long-term operation service providers

Federal and state governments need to establish a more flexible risk-sharing mechanism

They need to deal with the problem of aging facilities and keep up with the rapid development of environmental protection technologies

In order to seize the opportunities of the ROT model, US environmental protection companies need to focus on building three major capabilities:

Deep treatment technology reserves: Especially for emerging pollutants (such as PFAS "permanent chemicals") treatment technology

Refined operation system: Use the Internet of Things and big data to optimize energy consumption and drug consumption

Cross-regional resource integration: Achieve economies of scale through mergers and acquisitions or alliances

This wave of upgrading and transformation will drive the US sewage treatment industry from a "construction-driven" to a new stage of "efficiency-driven", and is expected to bring more than US$5 billion in market growth to the industry each year. For companies, whoever can complete the transformation of capabilities first will have the upper hand in this industry change.