Iron Related Bacteria (IRB) is a non-disease producing bacteria that can occur in a water supply when water carries bacteria from the well into treatment systems. While IRB contamination isn’t harmful, it can be nuisance. Iron bacteria are small living organisms that naturally occur in soil, groundwater, and surface waters. Iron bacteria is often found in close proximity to the well screen. The [...]
Do you ever lay awake at night and wonder how your paint is looking in the interior of your vessels? Doubtful. Should you be inspecting your interior paint in your vessels? Absolutely. What should you be looking for? Corrosion and bubbling paint, paying special attention to check near the welds. So, why is this important? Paint issues can lead to leaks, eliminating the ability for the tanks to hold water, leading [...]
A bubbler panel controls the liquid level within a filter vessel. A problem that can occur with bubbler panels is “valve hunting,” when there are large swings in water levels of six inches or more. When this happens there are two areas that need to be checked, the bubbler dip tube located within the filter cell and the reversing relay located inside the panel. When [...]
Managing an On-Site Legionella Event Building owners are often faced with a decision to test the building potable and utility water for Legionella bacteria. The decision to test, how many locations to test, and how often to test, are best structured in a Water Management Plan (WMP) and are specific to each building. The WMP should be developed in accordance with the requirements of the ASHRAE 188-2018 [...]
U.S. Water is pleased to announce the launch of Lumyn TM , a unique digital platform that unifies treatment applications with intuitive and proactive water system management. The platform is designed to put actionable information in the hands of the right people, at the right time, and in the form they want it. Lumyn users can visualize system performance and anticipate and address issues before they become [...]
The Programmable Logic Controller (PLC) is the heart of any treatment system, and a few simple precautionary measures can dramatically extend the life of your control system. One of the most important components to check and replace is the battery used for program backup in the processor. Manufacturers recommend that PLC batteries be replaced on a yearly basis. Plants can experience shutdown after a power [...]
On May 16, 2019, Kurita Water Industries Ltd. ("Kurita") announced that the procedures for acquisition of the outstanding shares of Avista Technologies, Inc. (Head Office: California, U.S.) and Avista Technologies (UK) Ltd. (Head Office: U.K.) were completed on May 15, 2019, Pacific Time, in the United States. Headquartered in California, Avista U.S. manufacturers and sells reverse osmosis (RO) chemicals [...]
Wastewater treatment can be overwhelming, and brewery wastewater treatment is no exception. Regulations and permits often require breweries to treat residual wastewater leftover from the brewing process, and failure to treat this water can result in fines and penalties and the effluent from your facility may negatively impact your community. Wastewater treatment comes in various forms, from primary treatment [...]
Palm Beach County installed and commissioned a Tonka Water, a U.S. Water Brand (Tonka Water) Organix™ ion exchange system downstream from lime softening in 2008 to address issues with Total Organic Carbon (TOC), Disinfection Byproduct Precursors (DBPs), and excessive color in their finished water. The original seven-vessel system is rated at 10 MGD. Pleased with the performance of the original system, the [...]
Problem A Midwestern university’s power plant has a closed cooling loop circuit that utilizes once through non-contact cooling water. The cooling water cools air compressors, sample coolers, and critical auxiliary equipment on a 10 megawatt generator. Compressed air from the plant is used to control HVAC pneumatics throughout the 320 buildings on campus, a highly critical operation. The plant [...]
The City of Corona, California was in need of a new water treatment plant. Tonka Water, a U.S. Water Brand (Tonka Water), was selected to provide a RidION™ Ion Exchange System and a Nion-IX™ Treatment System for the removal of nitrates and perchlorate. The treatment of perchlorate does not allow for waste disposal through conventional means, requiring media to be removed and disposed of off site. Ion [...]
Court of Appeals Overturns Decision That Held U.S. Water Patents Invalid U.S. Water announces that on April 19, 2019, the United States Court of Appeals for the Federal Circuit reversed an adverse judgment against it by the District Court for the Western District of Wisconsin, reinstating a jury’s unanimous verdict in favor of U.S. Water in its lawsuit against Novozymes A/S and Novozymes North America, [...]