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LATEST CH2M HILL ARTICLES

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America's Water Infrastructure Reckoning Has Arrived
Local governments across the country are confronting a reality that can no longer be ignored: a significant portion of America’s water infrastructure has reached or exceeded its intended lifespan.  Continue Reading..
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Geomembrane Liner Selection For Municipal Wastewater Lagoons: HDPE vs. LLDPE vs. RPP — A Field Installer's Perspective
High-density polyethylene (HDPE), linear low-density polyethylene (LLDPE), and reinforced polypropylene (RPP), among other materials, all show up on municipal wastewater and manure lagoon liner projects. Each of these lagoon liners has a place, and the differences aren't just chemistry on a datasheet; they show up physically on site.  Continue Reading..
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The Future Of Field Water Testing: Shifting From Sequential To Parallel Analysis
Manual water testing drains operational hours and increases human error. Transitioning to parallel analysis lets field technicians test multiple parameters simultaneously, reducing testing times by up to 75% while improving field data integrity.  Continue Reading..
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Brackish Water Desalination: A Strategic Imperative For Sustainable Water Stewardship Across The American Water Landscape
As droughts intensify, groundwater depletes, and climate extremes worsen, many water-stressed regions are increasingly turning to brackish groundwater desalination, for both potable use and industrial applications where water quality demands are less stringent. Hence, brackish water reserves are emerging fast as a strategic priority, ensuring a supplement for long-term national water security.  Continue Reading..
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Microbial And Disinfection Byproducts Regulations: Paving The Way For Efficient Compliance
Given the ongoing regulatory activity in the water industry, it’s hard to imagine another major drinking water rule on the horizon. But the U.S. EPA is planning revisions to the microbial and disinfection byproducts (MDBP) regulations.  Continue Reading..
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Why Smart Valves Are About To Redefine Water Infrastructure
For years, water metering followed a predictable path: manual reads, AMR, AMI, more visibility, more data. But utilities are now entering a different operational reality. Visibility alone no longer protects infrastructure.  Continue Reading..
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The Resilient Utility: Why AI Is The New Social Safety Net For Water
For vulnerable communities, the cost of infrastructure fragility is not just financial; it is existential. By shifting our focus from "smart water" to "resilient water," we can use AI to build a social safety net that protects both our infrastructure and the communities that depend on it.  Continue Reading..
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From Compliance To Resilience: Practical Lessons In OT Recovery For Water Utilities
Water and wastewater utilities have become attractive targets for cybercriminals and state-sponsored actors. CISA has repeatedly warned that drinking water and wastewater systems are vulnerable because they often lack the resources and technical capacity to adopt rigorous cybersecurity practices. The question is no longer whether your utility will face a cyber incident, but when — and whether you will be ready.  Continue Reading..
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Transparent Exopolymer Particles (TEP): The Invisible Driver Of Biofouling In Water Systems
A growing body of scientific evidence points to transparent exopolymer particles (TEP) as one of the most important, but frequently overlooked, drivers of biofouling in water systems. Understanding TEP may provide a new perspective on why biofilms develop so rapidly, why some treatment systems foul despite acceptable microbial counts, and why conventional control strategies often struggle to deliver lasting results.  Continue Reading..
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Why Engineers Aren't Choosing Water Utilities (And What Utilities Can Do About It)
Attracting engineering talent remains one of the water industry's biggest workforce challenges. It isn't that there aren't enough engineers; it's that the water sector often undersells careers that already offer exactly what today's engineering candidates are looking for.  Continue Reading..

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PFAS Removal Technologies: Challenges And Innovations In Water Treatment

It's hard to find a more technically challenging contaminant within the global water industry today than per- and polyfluoroalkyl substances (PFAS). As compared to traditional organic pollutants, PFAS are incredibly persistent because of their extreme stability — largely attributable to their carbon-fluorine bond — which resists biotic degradation, oxidation, hydrolysis, and thermal decomposition under most environmental conditions.

High Levels Of Forever Chemicals Found On Wastewater Filters

A significant buildup of “forever chemical” concentrations on reverse osmosis filters used in desalination and advanced wastewater treatment highlights the need for proper handling, disposal and recycling.

Blue-White Industries Now Offering Custom Chemical Feed Skid Systems

Blue-White Industries now offers custom-engineered chemical feed skid systems for municipal and industrial applications. Customers specify the configuration and components — Blue-White engineers assemble the unit into a single, ready-to-install system built around the customer's requirements.

Madison Launches Sanitary Sewer Study To Support Growth And Long-Term Infrastructure Planning

The City of Madison is taking a proactive step to strengthen its wastewater infrastructure by initiating the Campus, Downtown, and East Washington Ave Sanitary Sewer Study. Using sanitary sewer modeling, the study will assess existing system performance, evaluate the impacts of proposed development and redevelopment, and identify improvements required to maintain reliable service as the city grows. North America’s premier water engineering and consulting firm Carollo Engineers has been selected to lead the effort.

NAWC Member Companies Invest $6.8 Billion Nationwide To Improve Water Quality And Reliability

The National Association of Water Companies (NAWC) today announced a significant milestone in water infrastructure investment, underscoring the regulated, private water sector’s unwavering commitment to safe, reliable water service for communities across the United States.

Extensive Programme Ahead As Countdown Begins To The 2026 IWA World Water Congress & Exhibition

With just three months to go, the International Water Association (IWA) is preparing to stage its 2026 IWA World Water Congress & Exhibition under the theme ‘Water action – the path to resilience and prosperity’. The Preliminary Programme reveals an ambitious week of world-class technical content, high-level leadership forums, technical tours, networking events and innovation showcases that will bring together thousands of water professionals from around the world.