ch2m-hill

  1. The Best Test Is The Test You Run 11/2/2026

    What plant operators really want from field measurement tools, and why so many good methods end up on the shelf.

  2. South Africans Living Through Water Cuts Blame Corruption And Neglect, Not Just Broken Pipes — Study 11/2/2026

    Going without piped water for weeks or even months has become a reality for many South Africans. The residents of Madibeng, meaning “place of water” in Setswana, in the country’s North West province, are no exception.

  3. Coastal Restoration Is In All Our Hands 10/30/2026

    While on vacation, my tour group visited the Palo Seco Mangrove Reforestation Project, where we spent a morning planting mangrove seedlings as part of its coastal restoration program. As I lowered my seedling into a hole, it hit me: As a writer, I had covered coastal restoration projects many times, but this was the first time I was actually taking part in one.

  4. Benefits Of Mobile DAF And MBBR Treatment For Food And Beverage Wastewater 10/29/2026

    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.

  5. England Needs 120% Of Normal Rainfall To Come Out Of Drought This Winter — Storms Won't Fix That Yet 10/29/2026

    Groundwater supplies much of the drinking water in southern and eastern England, but it fills slowly, over months and years. A hot summer is a big splurge with lots of withdrawals, but a dry winter means the deposits needed to repay that spending never arrive. That’s why a dry winter can do more damage to our water supplies than a heatwave.

  6. Understanding Biofilm Through Oxidative Chemistry 10/27/2026

    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.

  7. Understanding Biofilm Through Oxidative Processes 10/27/2026

    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.

  8. Understanding Biofilm Through Oxidative Diversity 10/27/2026

    Comparing oxidants by strength alone overlooks how different reactive species work together inside biofilm, and why familiar performance metrics only partly capture oxidative effectiveness.

  9. Understanding Biofilm Through Oxidative Control Strategies 10/27/2026

    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.

  10. The $1.5 Million Sewer Repair — And The Water-Quality Evidence Missing Upstream 10/26/2026
    A documented series of corrosive industrial discharges reveals why the costliest monitoring failure can be an unexplained, repeated process condition — not an absent alarm.