Contaminant Removal Case Studies and White Papers

  1. 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?

  2. Philippines Potable Water System Improvement Project Uses Filter Underdrain Blocks To Improve Backwash Efficiency
    10/9/2018

    Founded in 1997, the Manila Water Company (MWC) serves the potable water needs of more than five million residents of the Philippines capital and cities to the east. The company serves as the private partner in a public-private partnership with the Philippines government in operating the Metropolitan Waterworks and Sewerage System for Metro Manila’s East Zone.

  3. Overcoming Operations Challenges For Direct Potable Reuse
    3/20/2017

    The Water Environment & Reuse Foundation introduces a “bundle of research” to help direct potable reuse and its practitioners reach full potential.

  4. Cryptosporidium Removal From Commercial Swimming Pools
    5/28/2018

    A year long pilot study was performed at an indoor commercial pool in Geauga County Ohio. The testing included an extensive evaluation of common and widely available granular filtration medias and compared the performance results in real time. The intent of the study was firstly to compare the real time turbidity removal capabilities of the various medias and secondly assess the removal ability of cryptosporidium sized particulate (2-5 micron). This assessment also included a polystyrene microsphere challenge on selected well-seasoned medias to compare the ability of the medias to remove crypto sized particles.

  5. Ecomuseum Zoo: High Efficiency Filtration Reduces Turbidity & Maintenance Costs
    9/12/2017

    ​The Ecomuseum Zoo is home to the most impressive ambassadors of Quebec’s wildlife. All residents of the Ecomuseum Zoo are there for a special reason: orphaned, injured or born under professional human care, each of them could not return to the wild. Hence, they have found a forever home at the zoo.

  6. Utility Enjoys More Than Seven Years of On‐Site Sodium Hypochlorite Production
    7/16/2018

    “To me, Microclor® is the top of the line on‐site generation system on the market due to low maintenance and it being very user friendly.” Larry English, Water Quality Manager, Daphne Utilities. Read the full project profile to learn more.

  7. Update And Upgrade Of Ozone Dissolution System At Southwest Water Treatment Plant
    9/1/2018

    The burden of the unavailability of replacement parts for the aging generators and the FBD basins' high maintenance motivated the Orlando Utilities Commission's Southwest Water Treatment Plant to update and upgrade the plant’s ozone system.

  8. San Jose Water Company Solves Chloramine Residual Problem With The Process Solutions, Inc. Monoclor® RCS Chloramine Management System
    7/10/2018

    A San Jose Water Quality Engineer said, "I wasn’t convinced that PSI’s Monoclor chloramine dosing system would solve our problems after several failed attempts to improve residual, but with PSI offering a trial including installation, operation, and troubleshooting for three months, San Jose Water decided to invest the necessary resources to pilot this system.

  9. “Eureka!” Nevada Community Rushes To Meet U.S. EPA Arsenic Level Standard
    4/13/2017

    With the United States Environmental Protection Agency (USEPA) now requiring arsenic levels of 10 ppb for drinking water, reducing high levels of arsenic in one of its community’s water supply had been a challenge for Eureka County. Find out how a community, who once searched for silver, hunted down a way to remove high levels of arsenic from its drinking water.

  10. Full-Scale Installation Report For Z-92® Uranium Removal – Morongo Del Sur, CA
    8/8/2018

    The Golden State Water Company selected WRT’s Z-92® Uranium Removal treatment system to reduce high concentrations of uranium in a single treatment system for three wells located in the Morongo Valley of California.  Since installation of the Z-92® Uranium Removal treatment system in Morongo del Sur in 2013, the uranium levels are being reduced to levels below the Maximum Contaminant Level (MCL).