Drinking Water Disinfection Resources

  1. Veteran Potable Water Superintendent Sees Benefits Of Secondary Containment Equipment To Help Enable Use Of Chlorine Gas For Chlorination 12/27/2017

    A veteran potable water production and treatment superintendent, currently overseeing potable water needs for a federal reservation, reports significant benefit from the availability of secondary containment equipment for chlorine gas storage, as part of a management strategy to help enable the use of that chlorination method. 

  2. Rounding Up Glyphosate’s Threat To Drinking Water 10/12/2017

    A popular weed killer appears to be threatening consumer health through drinking water supplies. As knowledge around this threat grows, treatment operations should consider their technology options.

  3. Need More Water? Think Ozone-BAC For 'One Water' Resolution 8/25/2017

    If you thought reverse osmosis was the one and only choice for potable water reuse, think again. Ozonation followed by biological activated carbon (ozone-BAC) is more suited to inland communities and may be better at removing chemicals of emerging concern (CECs).

  4. San Diego Plant Cuts THM Levels In Half 8/3/2017

    The 34 MGD Otay Water Treatment Plant in San Diego, California serves a population of approximately 200,000. It is a conventional treatment plant that uses coagulation, flocculation, sedimentation, filtration and disinfection. The plant receives raw water from two different sources — imported water from the Colorado River and runoff water from three local reservoirs.

  5. Granular Activated Carbon: A Long-Term Solution For Meeting DPB Compliance 7/31/2017

    When the Cobb County-Marietta Water Authority (CCMWA) anticipated the need to upgrade the Hugh A. Wyckoff water treatment plant, they turned to granular activated carbon (GAC) technology after vetting several alternatives. The plant, a wholesaler in a two-plant system, processes up to 72 million gallons per day and serves about 350,000 people. Comprising of Wyckoff and the James E. Quarles treatment plant, CCMWA is the second largest water provider in Georgia.

  6. Upgrading DWTP Operations In Kansas With The QbD1200 TOC Analyzer 7/26/2017

    For drinking water treatment plants (DWTPs), the EPA’s Disinfection Byproduct Rule (DBP) is a way of life. Unfortunately, for many facilities the equipment and operations haven’t evolved with the regulation mandates, leaving facilities in a tough spot. For a DWTP in Douglas County, KS, its challenges with accurate TOC measurement and testing, along with expensive calibrations and extended downtime with its prior TOC analyzer led it to trialing the Hach QbD1200 TOC Analyzer. Read the full case study to learn more.

  7. TotalCare Condition Audit Results In Energy Savings Of 80% And Improved Controls 5/1/2017

    Xylem TotalCare Condition Audit, an inspection and recommendation program that helps plant operators find ways to lower maintenance costs by identifying inefficiencies in the operation of water and wastewater equipment, was elected to audit the American Canyon Wastewater Treatment Plant (WWTP) in California.

  8. Retrofit Significantly Reduces Backwash Cycle Interval, Duration And Water Use For Georgia Utility 5/1/2017

    The North Columbus Resource Facility recently completed a $12-million replacement of its settled water filtration, removing the existing Wheeler filters, their three-part media and 10-inch poured concrete underdrains, which were no longer efficient.

  9. Degas Separator Selected For Wichita Aquifer Storage And Recovery Project 4/26/2017

    In the 1990s, the City of Wichita, KS, developed a water supply plan that included creating a sustainable water supply through the year 2050. The key component of the plan is recharging the large aquifer that lies under the region with 100 MGD of water from the Little Arkansas River.

  10. California And Potable Reuse’s Sustainable Momentum 3/2/2017

    A new recycled water project in California is moving forward with plans to bolster the local drinking water supply.