CH2M Hill

LATEST CH2M HILL ARTICLES

Henan
Beyond Clarification: Optimizing Polyacrylamide Selection For High-Complexity Industrial Wastewater Treatment
Polyacrylamide (PAM) selection in industrial wastewater treatment is frequently reduced to a trial-and-error exercise, resulting in reagent waste, inconsistent effluent quality, and inflated operating costs. This article presents a structured framework for PAM optimization across three critical variables — ionic charge density, molecular weight, and coagulant synergy.  Continue Reading..
cityOfconroe
When Growth Outpaces Infrastructure: How The City Of Conroe Built A Future-Forward Software-Defined Water System Ready For What's Next
For fast-growing cities, the challenge is no longer whether modernization is needed, but how to do it without increasing risk or complexity. The City of Conroe, Texas offers a clear example of what it looks like to modernize with intent, by addressing not just equipment, but the underlying architecture of water operations.  Continue Reading..
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Beyond Clarifiers: How Advanced Primary Filtration Solves Wet Weather Capacity Challenges
Pile cloth media filtration treats wet weather flows in real time, increasing capacity, improving removal efficiency, and helping utilities reduce reliance on limited stormwater storage.  Continue Reading..
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Precision Control In The Aeration Basin: A Case Study In Flow-Based DO Stabilization
Flow-based DO control and advanced blowers help stabilize aeration, reduce energy consumption, and improve treatment performance, turning a major wastewater cost center into an efficiency opportunity.  Continue Reading..
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Drinking Water Contaminated With 'Forever Chemicals' During Pregnancy Linked To An Increased Risk Of Childhood Asthma — New Study
While most of us are routinely exposed to low levels of PFAS, some communities are exposed to far higher levels from nearby pollution sources. A new study shows that in one of these at-risk communities, children were more likely to develop asthma if their mothers were exposed to very high PFAS levels during pregnancy.  Continue Reading..
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The Evolution Of Efficient Biosolids Solutions
Modern biosolids management requires sophisticated biological treatment to achieve Class A pathogen reduction and efficient solids destruction. Explore how integrated aerobic digestion and nutrient management technologies provide reliable, cost-effective paths toward regulatory compliance.  Continue Reading..
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The Pragmatic Shift In Source Water Protection: Moving From Symptom Management To Root-Cause Accountability
A shift in how we approach source water protection is long overdue. Currently, we are trapped in a cycle of escalating costs, forced to treat symptoms like algae and invasive weeds expediently with chemicals while the underlying risk in the reservoir compounds. True risk management requires breaking this cycle.  Continue Reading..
Digital multismart
Why You Need To Modernize Your Pump Station Controllers
Modern pump controllers enhance cybersecurity, reduce maintenance, and optimize performance, helping utilities replace reactive operations with more efficient, resilient, and future-ready wastewater systems.  Continue Reading..
Stormwater Pump Stations
How To Design Stormwater Pump Stations For The Next 50 Years
Stormwater systems must evolve for extreme weather. Submersible pumps, compact designs, and digital modeling help build resilient infrastructure capable of handling future flood challenges.  Continue Reading..
Applications engineering
Why Early Vendor Partnership Is The Secret To Engineering Success
Early vendor collaboration helps engineers avoid costly pump design mistakes by providing application expertise, advanced analysis tools, and insights that ensure wastewater pumping systems perform reliably from startup onward.  Continue Reading..

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CH2M HILL NEWS

Aqua Pennsylvania Wins $3.6M In PENNVEST Funding For Lead Service Line Replacements

Aqua Pennsylvania announced it was awarded a $3.6M low-interest loan through the Pennsylvania Infrastructure Investment Authority (PENNVEST) for lead service line replacements throughout Delaware County.

Kurita Invests In Cyclopure To Accelerate PFAS Business Expansion Utilizing DEXSORB In The United States

Kurita Water Industries Ltd. has invested in Cyclopure Inc, a U.S.-based company focused on the development of PFAS adsorbents and expanded its partnership with Cyclopure.

Tetra Tech Awarded £18M Water And Wastewater Contract In Northern Ireland

Tetra Tech, Inc. a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Northern Ireland Water, the region’s sole provider of water and sewage services, has selected Tetra Tech to provide high-end water and wastewater sampling services for water quality protection and enhanced resiliency of their water supplies.

INMA Is Leading An International Project To Capture And Degrade Microplastics In Wastewater Treatment Plants

Microplastics and nanoplastics have become a major environmental problem of our time, with trillions of fragments entering our food chain and our bodies through bioaccumulation.

Jacobs Introduces AI Solution To Anticipate And Manage Flood Risks

Jacobs introduces Flood IQ, an artificial intelligence (AI)-enabled solution to help cities, utilities and government agencies anticipate, manage and recover from flooding events.

Genesee County Drain Commissioner Division Of Water & Waste Services Expands MentorAPM Partnership After Pilot

Following a successful pilot with MentorLens, Genesee County Drain Commissioner Division of Water & Waste Services (GCDC-WWS) has expanded its partnership with MentorAPM, contracting for subscriptions to three solutions: MentorLens, Risk & Criticality Analyzer and Asset Investment Planner.