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LATEST CH2M HILL ARTICLES

MBBR Pilots
Benefits Of Mobile DAF And MBBR Treatment For Food And Beverage Wastewater
Food and beverage plants in violation must correct discharge within days, yet permanent fixes take far longer. Rented treatment changes how plants handle that gap.  Continue Reading..
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How A Tiny Water Utility Pieced Together Millions In Infrastructure Funding
While no major municipal water utility has ever claimed to be overfunded, it is much easier to cover the cost of large projects when it can be spread across hundreds of thousands of residents. But this is a stark contrast to the mathematical reality of smaller utilities like the Madison Community Services District (CSD). Its small size can make it difficult to attract the attention of those who control the purse strings for major projects.  Continue Reading..
SEM of biofilm inside a shower hose
Understanding Biofilm Through Oxidative Chemistry
Biofilm is one of those water treatment problems that can look deceptively simple. Microorganisms attach to a surface, multiply, and begin building a community. The natural response is to disinfect, apply enough oxidant to kill the organisms and maintain a residual strong enough to keep them under control, however in practice, it is rarely that straightforward.  Continue Reading..
2-SEM biofilm by escherichia coli
Understanding Biofilm Through Oxidative Processes
Controlling a mature biofilm means targeting its protective matrix, not only the organisms inside. Prevention, destabilization, and removal each call for different oxidative behaviors, changing how performance should be judged.  Continue Reading..
3-SEM biofilm on stainless steel surface
Understanding Biofilm Through Oxidative Diversity
Comparing oxidants by strength alone overlooks how different reactive species work together inside biofilm, and why familiar performance metrics only partly capture oxidative effectiveness.  Continue Reading..
1-SEM of biofilm inside a shower hose
Understanding Biofilm Through Oxidative Control Strategies
A disinfectant residual can look adequate while biofilm persists. The reactive chemistry an oxidant creates in water, and its interaction with the biofilm matrix, may matter more than oxidant strength.  Continue Reading..
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The $1.5 Million Sewer Repair — And The Water-Quality Evidence Missing Upstream
A documented series of corrosive industrial discharges reveals why the costliest monitoring failure can be an unexplained, repeated process condition — not an absent alarm.  Continue Reading..
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How Industrial Facilities Are Rethinking Wastewater Treatment And Water Reuse As Discharge Rules And Operating Costs Tighten
Industrial facilities are under pressure to reduce freshwater consumption, control wastewater discharge costs, and maintain reliable production. Water reuse can help address all three concerns, but recovering water does not automatically make a facility more efficient.  Continue Reading..
fully-clogged-pump
Predicting Pump Ragging Before The Overflow: What Lift-Station Sensing Gets Right
Rags and wipes don’t seize a pump overnight they load it gradually, and the sensors already in the station can see it coming days ahead. The stations that avoid overflows aren’t the ones with the most instruments; they’re the ones that read the right signals together.  Continue Reading..
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Tackling Lake Erie's Algal Blooms Requires Targeted Conservation Strategies
Algal blooms in Lake Erie remind us how closely food production and clean water are connected. Many of these nutrients come from nearby farms, and the challenge is keeping them out of waterways.  Continue Reading..

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Ahead Of Election Day, Trust in Water Asks Leaders To Keep Nation's Water Infrastructure Top Of Mind

As voters head to the polls on November 3, Trust in Water is asking candidates and policymakers to make water infrastructure a top priority for 2027. The nation’s drinking water, wastewater, and stormwater systems are aging and underfunded in many places.

ABC Certifies 21 More Digester Operators, Expanding Expertise To Support Biogas Production

The American Biogas Council (ABC) today announced that 21 additional students have earned their digester operator certification after completing ABC’s Operator School and passing the certification exam. This latest cohort brings the total number of Certified Digester Operators nationwide to 96, expanding the specialized expertise available to biogas facilities across the U.S.

EMASESA's Internationally Recognised Embalse Digital 5.0 Project Utilises The Xylem Vue Platform To Transform Data Into Smart Decisions For Water Management

EMASESA has collaborated with Xylem Vue to integrate and analyse, on a single platform, 200 water supply sectors and more than 313,000 smart drinking water meters, which generate around 7.5 million daily readings from 1.4 million people across twelve municipalities in the Seville metropolitan area (Spain)

Former Long-Time Smith & Loveless President And Water Industry Leader Robert L. Rebori Passes Away At 91

Smith & Loveless Inc. is saddened to announce the passing of Robert L. Rebori,  who led the international manufacturer of engineered water infrastructure systems and equipment as  Chairman and President for more than 30 years. Mr. Rebori died Wednesday, Oct. 7, at home in  Shawnee, Kansas, at the age of 91.

Centrisys/CNP PONDUS Thermal Hydrolysis Process Helps City Of Salem Reduce Biosolids Disposal Costs And Increase Digester Capacity

Centrisys/CNP, a leading North American manufacturer of decanter centrifuges and advanced biosolids treatment technologies, announced the successful startup and operation of its PONDUS® Thermal Hydrolysis Process (THP) and Centrisys CS18-4 decanter centrifuge at the City of Salem Wastewater Treatment Plant in Salem, Ohio. The integrated system is helping the utility improve dewatering performance, reduce biosolids disposal costs, increase renewable biogas production and maximize the capacity of its existing anaerobic digesters, all while providing a simple, cost-effective solution for a growing community.

Wastewater Equipment Boom As Billy And William III Help Strengthen Lakeside Equipment Corporation

To keep pace with its expanding customer base, Lakeside Equipment Corporation has appointed two new Sales Team Members.