Drinking Water Case Studies and White Papers

41. Insta-Valve 250 Provides Targeted Control Without System Shutdown 5/29/2020

    Hydra-Stop’s solution allowed targeted control for planned maintenance and repair. MDC is a water utility that serves a densely populated region of Connecticut that also has a significant amount of commercial and industrial facilities. Like so many water utilities within the U.S., MDC has a century-old infrastructure which requires a proactive and preventative maintenance approach.

42. Why Engineers Still Rely On Variable Area Technology

    Simple yet effective, variable area flowmeters continue to deliver reliable, power-free measurement, with modern upgrades enhancing their flexibility, durability, and role in today’s process systems.

43. The Lead And Copper Rule: ArcGIS Helps To Meet Updated Requirements 2/4/2021

    The Lead and Copper Rule is a National Primary Drinking Water Regulation under the Safe Drinking Water Act. Its purpose is to reduce lead and copper at the tap in drinking water provided by regulated public water systems. On December 22, 2020, the Environmental Protection Agency (EPA) finalized the first major update to the Lead and Copper Rule since it was initially enacted in 1991.

44. Using ATP In A Legionella Water Management Plan 3/1/2018

    Between December 2014 and September 2015 there were three clusters of Legionnaires’ disease outbreaks in the Bronx, New York City. Legionnaires’ disease, a severe form of pneumonia, is caused by inhaling aerosolized water containing certain pathogenic strains of Legionella bacteria. Legionella thrive in warm, stagnant water with low disinfection residuals such as hot water tanks, hot tubs, cooling towers, decorative fountains and showerheads.

45. How To Score High Marks For Low-Pressure RO Performance 1/22/2020

    For water system operators, contract engineers, OEMs, and reverse-osmosis (RO) membrane suppliers alike, the difference between expectations for RO membrane element performance and quantifiable performance in the actual operating environment can be fraught with surprises. This article addresses guidelines for establishing realistic RO warranty performance criteria and achieving those criteria in real-world applications.

46. Dual Parallel Lateral Filter Underdrains Selected To Replace Underperforming Nozzle Design At Mexico's Largest Drinking Water Treatment Plant 10/3/2018

    Located about 78 miles (125 kilometers) west of Mexico City lies the municipality of Villa de Allende, home of Mexico’s largest potable water treatment plant. The Los Berros water treatment plant was constructed in 1980 by the National Water Commission (Conagua), an agency of the Mexican government that manages the nation’s drinking water and wastewater treatment. The plant provides 396.3 million gal/day (1.5 billion L/day) of water to the country’s capital city, equivalent to approximately 25 percent of the total water supply of the western hemisphere’s most populace metropolitan area.

47. Stinkin' Drinkin' Water No More: Oxidation/Filtration Removes Hydrogen Sulfide 4/15/2013

    AdEdge Water Technologies, LLC was contacted by Aqua Utilities Florida to provide a hydrogen sulfide removal system for the Lake Josephine community, located in Highlands County, FL. The treatment goal for the system was to reduce the levels of hydrogen sulfide to the nondetectable odor threshold of <0.05 mg/l.

48. Making Municipal Water Supply Reliable, Economical, And Sustainable 3/1/2016

    A global scarcity of resources is a compelling reason for businesses and people to use raw materials more responsibly. Modern municipal water supply concepts must therefore not only consider such aspects as the structural development of the region and the population’s quality of life, but must also integrate the sustainable use of water in their policy planning.

49. Is Transitioning From AMR To AMI Worth The Effort? 6/30/2020

    For the City of Fairborn, Ohio, switching from manual meter reading to automated meter reading (AMR) and eventually to advanced metering infrastructure (AMI) has made a small operations staff more productive, provided more timely information for the city’s water treatment plant and distribution system, and tremendously improved customer service. Learn about the benefits captured and lessons learned along the way.

50. Flow Measurement Of Reservoir Water With A Clamp-On Meter 3/22/2023

    Discover why clamp-on flow measurement provides a much more reliable and accurate reading compared to other methods.