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LATEST CH2M HILL ARTICLES

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The High Cost Of Dirty Data In Wastewater Automation
High-frequency radar provides reliable wastewater level measurement that strengthens digital twins, predictive analytics, and automated collection systems while reducing sensor maintenance.  Continue Reading..
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Beyond The Screen: Why Debris Management Deserves More Attention
Evolving debris characteristics and aging collection infrastructure place unprecedented operational stress on downstream equipment. Evaluating preliminary treatment efficiency helps facilities eliminate chronic maintenance demands, safeguard critical infrastructure, and protect operating budgets.  Continue Reading..
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5 Questions To Ask Before Reusing Clarifier Specifications
Reusing master equipment specifications without evaluating application-specific hydraulics or basin geometries creates costly mechanical conflicts. Auditing legacy requirements ensures every structural and operational component directly supports site-specific treatment goals.  Continue Reading..
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Renewable Biogas From Wastewater Treatment: A Critical Pathway To Net Zero
Converting organic wastewater residuals into methane-rich biogas creates a circular energy system. Modernizing digester mixing, thermal management, and gas containment reduces grid dependency, lowers facility operating expenses, and advances net-zero decarbonization goals.  Continue Reading..
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Why Water Utilities Need Better Asset History, Not Just More Maintenance Data
For water and wastewater utilities, better asset history is not about collecting more data for its own sake. It’s about making existing inspection and maintenance information useful enough to support reliability, maintenance prioritization, capital planning, and long-term service delivery.  Continue Reading..
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PFAS Funding Is Flowing — But Does The Water Sector Have Enough People To Deliver It?
For several years, the PFAS conversation has centered on treatment options, testing, and funding. Those factors still matter, but they are no longer the primary constraint. Most utilities already understand the treatment routes available to them; the real challenge now is moving from technical possibility to operational performance, and that depends entirely on people.  Continue Reading..
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Sunscreen For Lakes And Dams: Could A Thin Floating Layer Of Nanomaterial Shield Water From Evaporation?
Water stored in dams and reservoirs for humans to use often evaporates, especially in hot regions like southern Africa. Rising temperatures speed evaporation up, leaving less water for people, farming and industry. Daniel Kwasi Kpeglo has just completed a PhD in physics. He explains his laboratory research into a new design – a thin nanomaterial floating cover that could be placed over lakes and dams like a blanket, reducing evaporation by...  Continue Reading..
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Many Cities Buried Urban Streams. Here's How To Bring Them Back
As many cities developed, streams that once flowed on the surface were buried underground to make way for growing infrastructure. However, as heavier rainfall, extreme weather and aging infrastructure place growing pressure on cities, these buried streams could become part of the solution. Restoring streams to the surface — a practice known as stream daylighting — can help manage stormwater, restore habitats, and create greener, more...  Continue Reading..
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Inside Zero Liquid Discharge Systems: The Technology Driving Industrial Water Reuse
Zero liquid discharge (ZLD) is evolving from a wastewater-compliance strategy into a high-recovery separation platform built around reverse osmosis (RO), high-pressure membranes, thermal concentration, membrane distillation (MD), crystallization, sensors, and process controls. Its objective is measurable: maximize water recovery while converting dissolved salts into solids rather than producing a final liquid reject.  Continue Reading..
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From Warning To Reality: Lessons From The Latest OT Attacks On Water Utilities
On July 10, I published an article warning that water and wastewater utilities had become prime targets for state-sponsored cyber actors, describing how attackers exploit internet-exposed PLCs, how the IT/OT divide leaves organizations vulnerable, and why the sector needed to act before an incident forced their hand. Today, that scenario is no longer hypothetical.  Continue Reading..

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Untreated Sewage And The Search For Affordable Biological Solutions

Researchers have isolated naturally occurring light-driven bacteria from local pond water and shown that, within just one week, these microorganisms can substantially reduce the levels of organic pollutants in raw sewage — pointing toward a low-cost, environmentally sound approach to wastewater treatment

RedVeil Extends AI-Powered Penetration Testing Relief Package To Municipal Infrastructure Organizations

Following recent cyberattacks targeting municipal water systems across the United States, RedVeil, the leading AI-driven penetration testing platform, today announced an initiative to help municipalities and critical infrastructure providers fortify their defenses.

Heavy Water Helps Weather Forecasts

Weather forecasts rely on many and various kinds of data, including temperature, humidity and wind data. For the first time, researchers including those at the University of Tokyo demonstrate that a long-theorized improvement to weather models by adding data on water isotopes in the atmosphere does in fact work.

Gradiant Secures Major Water Contract For Hyperscaler AI Data Center Campus in West Texas

As AI data center capacity races to keep pace with compute demand, water has become one of the sharpest constraints on where, and how fast, new facilities can be built. Nowhere is that clearer than West Texas, where one of the nation’s largest AI infrastructure developments is taking shape in a region with limited water resources.

District Maintains Water Service During Critical Infrastructure Upgrade With AVT EZ Valve Technology

The Star Sewer and Water District in Idaho has successfully completed a critical water infrastructure upgrade using AVT's EZ Valve insertion valve technology, allowing crews to install a new water line connection without interrupting service to existing customers.

$7.9 Million NSF Investment Brings Vermont Researchers Together To Address 'Forever Chemical' Contamination

The U.S. National Science Foundation has awarded $7.9 million to establish the PFAS Environmental Research Network (PERN), a four-year initiative bringing together Vermont researchers, educators, students, and state partners to better understand and address environmental chemical contamination.