Contaminant Removal Case Studies and White Papers

  1. PFC Contamination: Issues And Answers
    11/10/2017

    PFCs are turning up in source waters and news cycles, drawing both public and regulatory concern. How pervasive is this group of emerging contaminants — namely PFOS and PFOA — and how might the saga unfold for utilities?

  2. Retrofit Significantly Reduces Backwash Cycle Interval, Duration And Water Use For Georgia Utility
    5/1/2017

    The North Columbus Resource Facility recently completed a $12-million replacement of its settled water filtration, removing the existing Wheeler filters, their three-part media and 10-inch poured concrete underdrains, which were no longer efficient.

  3. Building Resilient Drinking Water Treatment Operations For A Sustainable Water Future
    5/14/2018

    It's spring and the algae are in bloom, but harmful algal blooms are far from the only threats to drinking water. Fortunately, there are advanced treatment technologies to handle some of the most persistent contaminants today, including algal toxins, Cryptosporidium, and 1,4-dioxane.

  4. EPA Providing Guidance For Drinking Water After Radiological Emergency
    1/17/2017

    What would happen if there was an emergency in the U.S. that caused radioactive material to contaminate drinking water supplies? What steps could your utilities and government take?

  5. Arsenic Successfully Removed In the Mojave Desert With SORB 33 Arsenic Removal Systems
    4/13/2017

    The Moapa Valley is a fertile stretch of land In the Mojave Desert, 50 miles northeast of Las Vegas. Nourished by a network of artesian springs which bubble up from deep underground, the land for years produced carrots, spinach, cantaloupe, tomatoes and potatoes and today produces primarily alfalfa and onions.

  6. Upgrading DWTP Operations In Kansas With The QbD1200 TOC Analyzer
    7/26/2017

    For drinking water treatment plants (DWTPs), the EPA’s Disinfection Byproduct Rule (DBP) is a way of life. Unfortunately, for many facilities the equipment and operations haven’t evolved with the regulation mandates, leaving facilities in a tough spot. For a DWTP in Douglas County, KS, its challenges with accurate TOC measurement and testing, along with expensive calibrations and extended downtime with its prior TOC analyzer led it to trialing the Hach QbD1200 TOC Analyzer. Read the full case study to learn more.

  7. Burnsville Becomes First Metro System With On‐Site Hypochlorite Generation
    8/15/2016

    When Linda Mullen took over as water superintendent in Burnsville in 2007, the city was in the process of adding surface‐water treatment to its existing plant. Burnsville began purchasing water from the nearby Kraemer Mining and Materials quarry, both to supplement its supply and to help the quarry meet discharge permits.