All Case Studies

Feb 14 2019
An unexpected catastrophe at a municipality near Washington, D.C., had area officials searching for answers, as they were not prepared to handle it…
Feb 11 2019
A major water company operates a cluster of Malaysia SEA municipal water treatment facilities that serve a large urban population. With its tropical…
Feb 8 2019
An old, worn-out bridge in a Virginia city was badly in need of replacement, but tearing it down and constructing a new bridge could create long-…
Jan 7 2019
Faced with rising operational costs due to increasing energy and chemical prices, as well as stricter effluent permit limits, many operators and…
Jan 3 2019
In 2000, one of the Metropolitan St. Louis Sewer District’s major sewer structures, the Maline Drop Shaft, had been so severely degraded by…
Dec 22 2018
The city of Westlake, Ohio, got an interesting ‘wake up call’ in 2006 when a sanitary sewer interceptor line in nearby city of Lorain failed…
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…
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