ch2m-hill

  1. EDL, MDL And LOQ: Understanding Detection Limits In Water Analysis 9/14/2026

    Understanding the distinct boundaries between theoretical detection, laboratory capabilities, and reliable quantification ensures defensible water-quality reporting. Master these analytical metrics to select appropriate methods and avoid overstating data certainty in compliance reporting.

  2. Managing Growth Under Water Constraints: What Utilities Can Learn From Industrial Water Users 9/14/2026

    As communities and industries compete for finite water supplies, utilities are looking for strategies that support economic growth while reducing pressure on existing resources.

  3. Which Leak Detection Method Is Best For A Large City Water System? 9/11/2026

    A layered leak detection strategy combining continuous acoustic monitoring with precision confirmation tools offers scalable network visibility. This proactive approach reduces non-revenue water loss, cuts unnecessary field labor, and prevents minor leaks from becoming major failures.

  4. The Case For Moving From Analog To Digital Controls 9/11/2026

    Smart pumps and digital communication protocols can help water utilities transition from legacy analog controls to more precise, scalable automation while preserving operational knowledge and capital investments.

  5. Upgrade Chemical Feed Systems With No Shutdown Required 9/11/2026

    Pre-engineered chemical feed skids can help treatment facilities replace aging systems quickly while maintaining dosing continuity, reducing installation complexity, and minimizing operational disruption.

  6. How To Cut Aeration Energy Costs In Half 9/11/2026

    Integrated aeration systems combining efficient diffusers, advanced blowers, and intelligent controls can significantly reduce wastewater treatment energy consumption and operating costs.

  7. How To Intensify Phosphorus Removal While Reducing Costs And Footprint 9/11/2026

    Ballasted clarification provides intensified phosphorus removal with a smaller footprint, lower chemical and water consumption, and flexible retrofit options for wastewater treatment plants.

  8. Meeting Stringent Nutrient Limits With Gravity-Fed Biofiltration 9/11/2026

    Gravity-fed biofiltration helps wastewater plants meet stringent nutrient limits while minimizing energy use, simplifying operations, and providing durable, adaptable tertiary treatment.

  9. Is Wastewater-Derived Bioplastic Utility-Ready? 9/9/2026

    For years, researchers focused on a basic question: Can mixed microbial cultures use real wastewater or sludge-derived carbon to accumulate polyhydroxyalkanoates (PHA) inside their cells? Recent evidence has strengthened the answer.

  10. What Utilities Don't Know About GAC Reuse For PFAS 9/9/2026
    For utilities building PFAS treatment systems, thermal reactivation of spent granular activated carbon (GAC) may sound like the obvious answer. However, service provider availability and location, specific media acceptance criteria including quantity thresholds, restrictions on GAC type and condition, and regulatory uncertainty can all determine whether reuse is a viable option.