All Case Studies

Aug 1 2017
Walnut Valley Water District spans a 29-sq-mile area in semi‐arid Southern California, approximately 20 miles east of Los Angeles. Planning for…
Jul 28 2017
Highway 71 Water District No. 1 is a rural water district located between the Ozark and Ouachita mountains in Alma, Ark. It services approximately 2,…
Jul 25 2017
It is billing time at the city of Evans, Colo., water department. For the past 14 years, Randy, an Evans technician, has devoted days out of every…
Jul 13 2017
The Yakama Nation Legends Casino, located in Toppenish, Wash., is a wholly owned operation of the Yakama Nation tribe. It features approximately 33,…
Jul 13 2017
The San Jose Water Co. (SJWC) of northern California provides drinking water for over one million people in the greater San Jose region. As shown by…
Jul 10 2017
Each day, the Northline Lift Station in Laguna Woods, Calif., transports sewage generated by 33,000 domestic users to The El Toro Water District…
Jun 28 2017
The U.S Environmental Protection Agency (EPA) requires arsenic levels of 10 ppb for drinking water, and reducing high levels of arsenic in a…
Jun 28 2017
The Canale Villoresi, located north of Milan, Italy, was designed for agricultural irrigation while providing water to the city of Milan. The paths…
Jun 23 2017
Birmingham Water Works Board (BWWB) of Birmingham, Ala., has consistently achieved the rating of the number-five water system in the United States…
Jun 22 2017
Seattle Public Utilities has a reputation for providing high-quality water to its customers. That tradition continues with the state-of-the-art Cedar…
Jun 22 2017
In the summer of 2014, Placer County Water Agency (PCWA) in California was facing a trihalomethane (THM) crisis. Drought across the western United…
Jun 21 2017
The Ypsilanti Community Utilities Authority (YCUA) was formed in 1974 when the Charter Township of Ypsilanti and the City of Ypsilanti combined their…
Jun 20 2017
A zero liquid discharge power plant in the western United States was experiencing problems with its cold lime softening system, resulting in an…
Jun 9 2017
A generation ago, wastewater treatment industry constituents—engineers, equipment manufacturers and owners—agreed that positive-seal cartridge-style…
Jun 7 2017
Dried-up reservoirs, cracked dirt and empty swimming pools are just a few of the visual reminders of the ongoing California drought. But what most…
Jun 1 2017
Built in the 1980s, the Atherton Wastewater Treatment Plant in Atherton, Mo., is operated by Little Blue Valley Sewer District. The facility was…
May 22 2017
Mishawaka, Ind.’s water department needed a valve installed on an existing 20-in. trunk line, but some conditions complicated the project. The trunk…
May 17 2017
The Ovivo AnammoPAQ is a sidestream treatment technology that utilizes the power of the anammox bacteria to treat high-nitrogen concentration…
May 11 2017
With a 2,400-sq-mile service area and approximately 40,000 customers to serve in southeastern Illinois, EJ Water Cooperative was having difficulties…
May 10 2017
The Central Wastewater Treatment Plant of Nord Jæren (SNJ) is located in Stavanger, a city on the southwest coast of Norway. SNJ is located inside…
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