Drinking Water Case Studies and White Papers

  1. Identifying Contaminants Of Concern 1/28/2025

    In this article, we outline the sources, occurrence, known health issues, and mitigation options for specific contaminants.

  2. Omaha Municipal Utility District 5/19/2023

    Despite the large capital costs invested in a new pressurized CO2 feed system – a competing product to BlueInGreen’s supersaturated carbon dioxide gas-dissolution (CDOX®) technology — facility managers were unsatisfied with its performance

  3. Gandia Becomes A Smart Water City And Saves 0.5hm3 Of Water/Year 12/4/2020

    In 2008, the utility providing this Spanish city’s water supply and the city council decided to phase in a gradual process of digital transformation.

  4. Preparing For Lead-Service-Line Inventory And Replacement Requirements 1/27/2020

    With all the new facets of the revised Lead and Copper Rule revisions (LCRR) — increased sampling requirements, lead service line (LSL) inventory and replacement, new communications requirements, and school/childcare-facility monitoring — any water utility that has not yet started making preparations is at risk of non-compliance now that the new rule has become law. Here are some factors to consider when reviewing LCRR requirements and conducting LSL inventories and replacements.

  5. Thrust Restraint Design Of Vertical Offsets And Tees 11/3/2020

    There are numerous fitting combinations and configurations that are used in the everyday construction of pressurized water lines. This report describes vertical offsets, tees, and using joint restraint products to simplify their installation. The use of joint restraint products virtually eliminates thrust blocks and tie rods.

  6. Alternatives To Pump Alternation Schemes Using Advanced Level Controllers 2/28/2023

    This article will focus on the pump control functionality of advanced level controllers and how they can help to optimize your process.

  7. What's Next For The Evolution Of Water AMI? 3/19/2020

    In the evolution of water distribution, advanced metering infrastructure (AMI) has become a valuable asset in reducing labor requirements, improving customer service and billing, and providing a baseline of information for better data management. The question is how much more can AMI do, and how can water utilities take maximum advantage? Here are some insights and ideas.

  8. UV Treatment Upgrade For Water Reuse - EWA Beach, Hawaii 3/15/2017

    The Honouliuli Water Recycling Facility (WRF) includes filtration and UV treatment to treat to Class R-1 reuse standards for various uses, including irrigation.

  9. Why Material Selection Matters 1/16/2020

    The Tri-County Water Authority (TCWA) was formed in 1991 as a not-for-profit water utility serving portions of Jackson, Cass and Bates counties, Missouri. When the system was first established, about half of the pipe installed were ductile iron and half were plastic PVC. Today, the authority’s 120 miles of pipe are approximately 75% ductile iron and 25% plastic PVC.

  10. Relating Zeta Potential To Jar Testing: A Comparison Of Two Methods To Optimize Water Treatment Plant Operation 5/21/2020

    The traditional routine for treating raw water has been jar testing. We compare zeta potential results to the traditional testing. ​