Wastewater Case Studies and Whitepapers

  1. Floating Treatment Wetlands Mitigate Lake Eutrophication 1/25/2012
    Simple, cost-effective water treatment strategies are transforming agricultural effluent into world-class fish habitat in an ongoing study in Montana.
  2. Screenmaster® CS Bar Screen Helps Township Weather The Stormwater 11/8/2020

    When the township of Little Ferry, New Jersey constructed a new bridge, it created a big problem. The bridge, constructed at a traffic circle in town, created changes to the road that left a drainage pond below the water level of the Hackensack River. The problematic effect this had was immediate as local neighborhoods were flooded on a regular basis.

  3. What Private Utilities Need to Know About Nutrient Loading and Eutrophication 8/7/2025

    For private utilities, discharging wastewater isn’t a one-size-fits-all process. If your facility serves a resort, a golf course, a residential community, or a mixed-use development, you’re likely discharging into smaller, localized water bodies (creeks, ponds, wetlands), not large rivers or oceans. And while these ecosystems are beautiful they’re also incredibly vulnerable to nutrient loading and eutrophication.

  4. The Invisible Sewage Plant 12/6/2005

    If you go looking for a particular sewage treatment plant in Cincinnati, Ohio, the first thing you'll notice is ... you might not notice it at all. In fact, when following perfectly clear directions to the facility, you might still drive right by it, dismissing it as just another office building. It doesn't register as a treatment plant.

  5. Custom Solution Eliminates Maintenance 7/6/2021

    Out of the box thinking for a municipal septage receiving station saves money and eliminates maintenance.

  6. Solids Optimization In Wastewater Treatment Plants 9/15/2017

    Traditional municipal wastewater treatment plants typically rely on conventional tests such as Total Suspended Solids (TSS) and possibly Volatile Suspended Solids (VSS) to attempt to quantify biomass.

  7. FlexRake® Celebrates 20 Years Of Continuous Operation In Michigan 4/26/2018

    In 1997, back before text messaging and cell phones, Duperon Corporation installed the FlexRake FP Full Penetration Coarse Bar Screen into its first wastewater treatment plant at the City of Adrian, Michigan. The same equipment is in operation today, with all of its original components, with the exception of a motor/drive head bearing replacement. 

  8. The Sustainable Choice For America's Water Infrastructure: Ductile Iron Pipe Made From Recycled Metal 12/18/2025

    Discover why U.S.-made ductile iron pipe leads sustainable infrastructure—crafted from recycled metal, fully recyclable, and engineered for long-lasting, circular water systems nationwide.

  9. Your Clarifier Is Down. Now What Do You Do? 1/6/2025

    By employing portable clarifiers, plant managers can keep their operation running, treating water to the same standards expected under normal conditions until the primary unit is back online.

  10. Isolating A Leaking Pipe Helps Avoid Water Disruption To Entire Island 9/20/2021

    Wanting to avoid an island-wide water system shutdown during peak season, the Village of Bald Head Island turned to the Insta-Valve 250 for help.