All Case Studies

One of the aeration basins at Stadtlohn wastewater treatment plant
One of the aeration basins at Stadtlohn wastewater treatment plant. The Liquiline Control system monitors the online measurements of oxygen and ammonium to control the nitrification and denitrification phases.
Dec 5 2018
The Stadtlohn, North Rhine-Westphalia, Germany, wastewater treatment plant (WWTP) is designed to handle wastewater from a population equivalent (PE)…
Overview of the three eight-disk AquaDisk filter units located adjacent to Shepard Energy Centre’s cooling towers
Overview of the three eight-disk AquaDisk filter units located adjacent to Shepard Energy Centre’s cooling towers.
Nov 28 2018
Shepard Energy Centre, owned by Enmax and Capital Power Corp., is located in Calgary, AB, Canada. It began operating in March 2015 and is capable of…
Nov 13 2018
Modesto, a city in central California with a population of approximately 212,000 people, operates a two-location wastewater treatment process that…
The complete Xylem solution—a 30-mgd bypass system—is shown here with the city of Syracuse, N.Y., in the background
The complete Xylem solution—a 30-mgd bypass system—is shown here with the city of Syracuse, N.Y., in the background.
Nov 8 2018
The West Side sewage pump station in Onondaga County, N.Y., required a bypass system to move a peak flow of 30 million gal per day (mgd) during its…
Nov 6 2018
The Water Authority of Dickson County (Tenn.) (WADC) is a regional water and wastewater provider that serves more than 40,000 residents in Dickson,…
Oct 30 2018
A decade ago, the town of Gilbert, Ariz., and the city of Chandler, Ariz., collaborated through an intergovernmental agreement on the building of the…
Oct 4 2018
The City of Pottsville in Schuylkill County, Pa., faced a serious problem with wastewater overflows, caused in part by the design of its 1800s-era…
Oct 3 2018
A midwestern manufacturer produces a range of silica proppants. Proppants are solid materials, such as treated sand or ceramic particulate, that…
Oct 3 2018
Early in 2018, the council members for the city of Waukee, Iowa, approved Phase IV of a capital improvement project allowing for the expansion and…
Oct 3 2018
Public works is a practical endeavor. It involves supplying basic needs—water, roads, sewers, etc.—to citizens in the most efficient and reliable…
The SWIFT research center is capable of producing up to 1 mgd of SWIFT water (water treated to meet drinking quality standards). It is treated to match existing groundwater and used to recharge the Potomac Aquifer.
The SWIFT research center is capable of producing up to 1 mgd of SWIFT water (water treated to meet drinking quality standards). It is treated to match existing groundwater and used to recharge the Potomac Aquifer.
Oct 1 2018
Specialty access doors manufactured by The Bilco Co. were installed in a Virginia research center that applies advanced treatment to wastewater to…
Sep 27 2018
Groundwater in southeastern coastal Virginia is depleting due to over-drafting without intentional replenishment. This phenomenon makes the Potomac…
A vacuum station in Key Largo, Fla.
A vacuum station in Key Largo, Fla.
Sep 24 2018
Hurricanes create serious problems for public works officials—mass evacuations, high winds, flooding, the loss of utilities and damage to public…
One of the three 22-by-28-ft well house buildings
One of the three 22-by-28-ft well house buildings.
Sep 20 2018
Water is a precious resource that some take for granted. The residents and town officials of New Windsor, N.Y., do not fall into that category. They…
iTracker installation is accomplished in 15 minutes
iTracker installation is accomplished in 15 minutes.
Sep 19 2018
Locating inflow and infiltration (I&I) is a time-consuming and costly endeavor. Since 80% of I&I resides in 20% of the collection system, the…
Sep 18 2018
The main water treatment plant for the city of Hot Springs, Ark., required upgrades. Numerous equipment improvements were needed before a new…
ClorTec 2x CT1500 PPD OSHG system from De Nora installed in 2012
The ClorTec 2x CT1500 PPD OSHG system from De Nora, installed in 2012.
Sep 12 2018
As the second-largest provider of potable water in the state of Georgia, the Cobb County-Marietta Water Authority (CCMWA) uses the latest technology…
Sep 11 2018
Agriculture is the lifeblood of the U.S. There would be no industry, innovation or commerce of any kind without human life sustained by the meat,…
Sep 6 2018
In 2005, the town of Greenville, Wis., realized that arsenic in its water required treatment when the arsenic limit was to be lowered to 10 µg/L in…
Sep 5 2018
A consortium including the city of Hollister, Calif., the San Benito County Water District and the Sunnyslope County Water District proposed the West…
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