Andy Fecko: PCWA’s Plans for Resilience and Rebuilding
Placer County Water Agency (PCWA), located on the western slope of the Sierra Nevada mountains 30 miles northeast of Sacramento, California, provides water to about 35,000 treated water customers and around 4,500 irrigation customers. The region has a varied history that includes mining and some of the earliest transnational shipments of fresh fruit on the […]
Volume 7 Issue 6 June 2020
Safety and preparation are two sides of the same coin. A water agency always needs to be thinking about the future in order to prevent possible mishaps and to promote strong and sustainable growth. This issue focuses on proactive plans to build infrastructure, seek grants, and pursue strategic mergers, and on safety and training […]
Aqwise’s Contributions to MBBR Technology
Aqwise—Wise Water Technologies Ltd. is a global company, based in Israel, that specializes in moving bed bioreactor (MBBR) technology, a wastewater treatment technology that holds strong advantages over competing technologies in certain applications. In addition to creating its own carriers—small, ingeniously designed plastic cylinders with nooks and crannies that provide large amounts of surface area […]
Mapal’s Floating Fine Bubble Aeration Technology
Secondary wastewater treatment requires providing oxygen to bacteria in wastewater so that they remove the dissolved contamination from it. Providing this oxygen to the bacteria is called aeration. In general, there are two types of aeration: mechanical surface aeration, which uses a mechanical impeller to spray water into the air and tends to be inefficient […]
Ayala’s Natural Wastewater Treatment Systems
Ayala is an Israeli company that builds specialized installations similar to artificial wetlands that can treat wastewater to high standards of purity using nothing more than gravity and natural processes. Using a carefully selected combination of natural elements like aquatic plants, gravel, microorganisms, and special natural additives, these Natural Biological Systems (NBS) can be customized […]
Kando: Improving Wastewater Quality Before It Reaches the Treatment Plant
Wastewater is not just waste—it is a product that will show up downstream, whether it is recycled and immediately reused for irrigation or consumption or it is discharged into a river or ocean, eventually ending up in our taps again. Treating wastewater and discharging it as high-quality, nonpolluted water is important, but it is also […]
How TAYA Empowers Small Communities to Recycle Their Wastewater
Wastewater reuse is an increasingly popular source of water for agricultural and domestic use throughout larger municipalities. Yet few small communities can afford to implement and operate the complex treatment technology required for reuse. An Israeli company, Triple-T, is seeking to change this paradigm with its TAYA technology, a simple, sustainable, and affordable alternative to […]
The Central Role of the Israel Water Authority
Israel is an arid nation whose population has quintupled over the last 60 years. This has necessitated bold and creative water resources policies, including the aggressive use of water recycling and desalination. Because water policy touches all aspects of Israeli national life, the Israeli Parliament in 2007 established an independent governmental body, the Israel Water […]
Building Jerusalem’s Fifth Pipeline
Due to population increase, the city of Jerusalem is reaching the limits of its current water supply. To resolve this issue, Israel’s national water company, Mekorot, is building a 25-mile pipeline, between 80 and 102 inches in diameter, to provide the city with water from both underground sources and desalination plants on the Mediterranean coast. […]
Volume 7 Issue 5 May 2020
“Give the plant everything it needs, but not one drop more.” This was said to me in a conversation with a representative of an Israeli company that traced its roots to the development of drip irrigation over 50 years ago. That quote has stuck with me because of the practical mindset it represents: Use […]