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LATEST CH2M HILL ARTICLES

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Do Water Meters Still Need External Transmitters?
Expectations for transparency and reliability in water-metering infrastructure have risen. As a result, a fundamental question is emerging across the industry: if modern ultrasonic meters are already smart, why are we still adding intelligence outside the meter?  Continue Reading..
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Powdered Activated Carbon: A Flexible Tool For Targeted Treatment Challenges
Treatment plants most often deploy carbon in two forms: granular activated carbon (GAC) and powdered activated carbon (PAC). While GAC is widely used for steady-state, long-term contaminant control, PAC offers an alternative, versatile, rapid-response approach. In these six scenarios, PAC is the ideal solution.  Continue Reading..
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Eradicating High-Strength Nitrogen Loads Without Expanding Your Aeration Basins
When decision-makers assess the best ways to deal with high-strength nitrogen loads in their wastewater treatment plants, an important thing for them to remember is that biological treatment methods alone typically cannot handle all of a facility’s nutrient load. Instead, they should consider how a combination of physical-chemical extraction methods can provide an extremely reliable, small footprint method for handling above-average loads....  Continue Reading..
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Emerging Technologies In Municipal Water Treatment: Trends And Challenges For Utility Operators
The technology landscape for municipal water and wastewater treatment spans everything from inline water quality monitoring to industrial waste reuse program integration. Each category brings measurable operational benefits and real implementation hurdles. Here’s what operators need to know.  Continue Reading..
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Applying Two Flood Models To Cross-Check And Improve Each Other — And Maybe Saving A Downstream Village In The Process
Getting a second opinion is a time-tested piece of wisdom. During a recent project for a municipal water supply utility, we found that this advice also applies to modeling the effects storms have on the municipality’s reservoirs and dams, and the potential flooding impacts downstream of the dams.  Continue Reading..
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How Satellite IoT Can Enhance Remote Water System Monitoring
There is a noticeable shift in how monitoring data is being treated across the water sector. It is no longer something that sits quietly in the background of operations, collected for compliance, and reviewed periodically. It is being examined more closely, and more often, by a wider set of stakeholders.  Continue Reading..
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4 Essential Truths About Carbon Reactivation
Long-standing myths about GAC reactivation are being increasingly challenged, revealing performance, cost, and sustainability benefits many utilities may have overlooked.  Continue Reading..
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The Hidden Legionella Risk In Closed-Loop Systems
For a long time, it’s been assumed that closed-loop water systems — those commonly found in building heating systems, air-conditioning units, and cooling systems — are at a low risk for Legionella. However, there are many reasons why closed-loop systems can actually inadvertently promote the risk of Legionella.  Continue Reading..
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Common AMI Implementation Mistakes And How To Avoid Them
The journey from manual water-meter reads to a fully integrated digital ecosystem is long and complex. To help utilities along, the Smart Water Networks Forum (SWAN) released the global Smart Metering Playbook, which includes both implementation best practices and common pitfalls. Here are five common advanced metering infrastructure (AMI) rollout mistakes from the Playbook, along with examples of how to overcome them.  Continue Reading..
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Heavy Rain On Snow Is Testing Aging Dams Across Michigan And Wisconsin — This Is The Future In A Warming World
For much of Michigan and Wisconsin, as well as northern Illinois, 2026 has been the wettest March and April on record. The region’s aging water infrastructure was never designed for the volume of water it is facing. That’s a troubling sign for the future, with flooding becoming more common as global temperatures rise.  Continue Reading..

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Pollution Management: FSU Researchers Create Global Data Set Of Microplastic In Urban Stormwater Runoff

As rain falls, lurking within stormwater runoff are hidden microplastics, polluting the water sources they drain into. Even though microplastics originate in urban environments such as cities, existing data sets focus on marine and coastal areas. Without data sources on microplastics in cities, scientists are unable to develop models for predicting stormwater runoff that deal with this pollution.

PCL Construction Recognized For Delivering Arizona's Water Treatment Project Of The Year

PCL Construction, Inc. is proud to announce that the 24th Street Water Treatment Plant Rehabilitation project, delivered by PCL Construction as Construction Manager at Risk in partnership with Carollo Engineers for the City of Phoenix, has been named the Arizona Water Association’s 2026 Water Treatment Project of the Year.

NWPX Highlights GreaseTrooper Gravity Grease Interceptors For FOG Control

NWPX Park and NWPX Geneva, divisions of NWPX Infrastructure, a global leader in the design and construction of innovative water utilities and environmental solutions, is proud to highlight their GreaseTrooper Gravity Grease Interceptor (GGI), a reliable, code-compliant solution for restaurants, institutional kitchens, food processing plants, and industrial facilities that must manage fats, oils, and greases (FOG) in wastewater.

Bentley Systems Achieves Key U.S. Government Security Milestone To Help Modernize The Nation's Infrastructure

As the national conversation focuses on the urgent need to fix aging U.S. infrastructure, Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, today announced that ProjectWise, its connected data environment for infrastructure project delivery, and OpenGround, its geotechnical information management and reporting software, have achieved FedRAMP® Authorization at the Moderate Impact Level.

Aquaspec Selected For The 2026 Imagine H2O Accelerator

Out of more than 220 global applicants, Delta Bravo's Aquaspec has been chosen to join an elite cohort of water innovators — accelerating Aquaspec's path to commercialization across the global water sector.

UKWIR Launches Framework To Standardize Asset Health

UK Water Industry Research (UKWIR) has released a landmark report aimed at tackling the lack of a unified approach to quantifying and valuing asset health across the sector.