Drinking Water Disinfection [Case Studies White Paper]

  1. Guaynabo WTP In Puerto Rico Saves Thousands With UV 254 Monitoring Package
    10/22/2013

    Dealing with fluctuating water sources is not an easy task for plant operators. Seasonal variation, heavy rain fall or accidental contamination events change the raw water quality, requiring immediate attention. This is a familiar scenario for Facility Manager, Nancy Ma. Cáceres Acosta at the Los Filtros Water Treatment Plant in Puerto Rico. She has been producing highquality water for 256,000 local residents, receiving surface water from the Guaynabo and Bayamon River

  2. Salt Lake City Public Utilities ‐ Award Winning Big Cottonwood WTP, Experiences Microclor® On‐Site Hypochlorite System Reliability and Safety For Over Six Years
    7/18/2018

    Located at the mouth of the Big Cottonwood Canyon, the Big Cottonwood WTP is one of three water treatment facilities providing treated water to Salt Lake City (SLC), Utah. The utility distributes water through about 1,300 miles of transmission and distribution pipe to over 90,500 connections. Recently, the Big Cottonwood WTP was recognized for delivering 16 years of high quality water and received the Directors Award from the EPA & AWWA Partnership for Safe Water.

  3. Water Treatment Plant Solves Taste And Odor Problems And High Toxin Levels
    3/20/2015

    Phoenix is one of the country’s fastest growing metropolitan areas and has one of the most arid desert climates. Population growth coupled with increasingly stringent water regulations pushed the city to proactively address future water supply concerns. The decision was made to build the Lake Pleasant Water Treatment Plant (WTP) and include oxidation and disinfection treatment barriers.

  4. Mountain Regional Water District Deploys Next Generation On-Site Hypochlorite And Tank Mixing Technology To Meet Expanding Water Management Needs
    7/16/2018

    The Mountain Regional Water District is a Special Service District of the county that was established by the Summit County Commission in 2000 to regionalize water service by consolidating several public and private water companies.

  5. UVC LEDs For Biofilm Prevention
    8/4/2015

    Biofilm has adverse effects on all types of instruments, sensors, and equipment used in power plants, food and beverage production plants, desalination facilities, paper mills, and marine environments. This includes growth on pipelines, tanks, heat exchangers, reverse osmosis (RO) membranes, and other equipment. Biofilms can cause reduction of heat transfer, increased pressure drop and corrosion of metallic surfaces, and many forms of contamination. 

  6. Drinking Water Disinfection - Coquitlam Water Treatment Plant, British Columbia (Case Study)
    11/7/2011

    In 2005, in response to changes to the Canadian Drinking Water Quality guidelines, the Greater Vancouver Water District Board approved a proposal to upgrade the Coquitlam WTP with UV disinfection technology to act as the primary means of disinfection.

  7. Indiana American Water Eliminates Gaseous Chlorine At Hidden Lake WTP In Warsaw, Indiana
    7/20/2018

    In 2000, Indiana American Water, a subsidiary of American Water Company, purchased the Warsaw Indiana system which serves a population of over 16,000. Indiana American then completed a Comprehensive Planning Study that included a number of upgrades and improvements to enhance the reliability, safety and water quality of the system.

  8. Nitrification In Monochloramine-Treated Water
    5/9/2018

    A water utility in the Midwest USA uses Monochloramine treatment in their two surface water treatment plants to disinfect raw water and establish residual disinfectant prior to discharge to their distribution system. 

  9. Ozone-Biologically Active Filtration For Potable Reuse In California's Inland Communities: Benefits And Barriers
    5/17/2016

    California’s inland communities have been hit hard by four years of drought, lower groundwater levels, and reduced allocations from the State Water Project.

  10. Conversion To On-Site Sodium Hypochlorite Generation Improves The Safety And Resilience Of Two Wastewater Reuse Plants With A Three-Year Economic Payback
    7/10/2018

    Aqua Engineers is a local Hawaiian company founded almost 40 years ago which delivers operations, engineering, and construction management to the water and wastewater industry throughout Hawaii. Also, as an owner and operator, Aqua Engineers is keenly focused on the return on investment for process equipment decisions, but also on the safety of its operators and surrounding community. Read the full case study to learn why Aqua Engineers chose the Microclor OSHG system provided by UGSI Solutions for both their sites in 2016.