The Splash

Iowa City Treats Radium Through Hydrous Manganese Oxide

Farley, Iowa was in need of a new water plant for the treatment of multiple wells containing iron and radium. When considering technology options, the city chose a Hydrous Manganese Oxide (HMO) technology over other available treatment options due to a number of cost-saving opportunities. One of the key benefits included reduced operating expenses due to the elimination of brine waste. Due to their extensive HMO [...]

Fat, Oil and Grease Caps, Oh My!

Fats, Oils and Grease (FOG’s) can dramatically reduce efficiency, while increasing the operational costs of your wastewater treatment system. Food processing facilities often experience build-up of grease deposits or caps in their lift stations and piping. Below we have highlighted some possible system impacts of leaving FOG’s untreated and solutions to ensure optimal system operation. Potential [...]

ANSI/ASHRAE 188-2018: Minimizing the Risk Associated with Legionella

Introduction In June of 2015 the ASHRAE Standards Committee developed Standard 188-2015, Legionellosis: Risk Management for Building Water Systems. The most recent updated document (188-2018) outlines the minimum requirements for the development, implementation and ongoing maintenance of a L egionella  risk management program in new and existing buildings. The Standard is a culmination of several years of [...]

Tribal Community in New Mexico Treats Arsenic Through Pressure Filtration

Santa Ana Pueblo, NM required an additional water treatment system to meet the needs of their growing community. After previously working on a project with Tonka Water, a U.S. Water Brand, and being impressed with the high level of customer service they had experienced, the Pueblo once again sought out the company’s expertise. Santa Ana Pueblo opted to pre-purchase the new treatment system for construction, [...]

U.S. Water and CTE Global Settle Litigation Relating to U.S. Water’s pHytOUT® Patents

U.S. Water Services, Inc. (U.S. Water) and CTE Global, Inc. have entered into a settlement agreement resolving their litigation involving U.S. Water’s patents relating to the use of phytase to control mineral deposits in fuel ethanol plants. The terms of the settlement are confidential.  The United States Patent Office issued U.S. Patent Nos. 8,415,137 and 8,609,399 relating to U.S. Water’s [...]

State of the Industry Report Includes Industry Observations from Kevin Milici

Kevin Milici, Vice President of Marketing & Technology, recently contributed to  Water & Wastes Digest's  State of the Industry Report. This yearly report illustrates the status of the United States economy and budgets to determine how societal issues are currently impacting the water and wastewater industry, as well as highlighting emerging trends and technology [...]

U.S. Water's Top 9 of 2019

As we begin a new year we wanted to take a moment to highlight our most loved articles from 2019. Check them out below! U.S. Water Launches Lumyn Digital Platform When to Replace Your RO Membrane Responding to a Legionella Event Craft Brewing Wastewater Treatment: How Much Does Your System Need? Minimizing White Rust in Galvanized Cooling Systems Benefits of Side Stream & [...]

How to Select Your Pilot Study Resource

How do you know if you need a pilot study? If you do need a pilot study, how can you ensure it will be effective? Pilot studies are often used to validate or optimize a treatment process or technology and can provide the data needed for process design or state regulatory approval. Because all water sources are different and respond differently to treatment, design should begin with a complete water analysis. [...]

Your Performance Index: Your Guide to a Quick System Check-Up

The beginning of a new season is the perfect time to perform system maintenance. As many plant operators know, consistent system maintenance optimizes system performance, prolongs the life of your system and detects minor fixes before they transform into costly repairs. We’ve included a list of suggested tasks below to help you perform a quick system check-up. Filters Ensuring that your filters are [...]

When to Replace Your RO Membrane

On the surface, it might seem that knowing when to replace the membrane elements in a reverse osmosis (RO) system would be simple. In attempting to keep it simple, many companies will use one or more of the following guidelines for replacing their membrane: time, often after 3 years (the membrane manufacturer’s warranty period) an increase in the RO permeate conductivity, as related to their water [...]

Ion Exchange Technology Used to Treat Uranium in Nebraska

Bridgeport, located in western Nebraska, had previously been able to pump water directly out of the ground and into the distribution system, without needing to treat the water. It was later discovered that the water contained elevated levels of uranium, requiring treatment. Uranium can be naturally found in groundwaters, slowly dissolved over time from soils and sedimentary rock. Uranium is also a by-product of [...]

Your Performance Index: Should You Be Cleaning Your Filter Media?

Should you be chemically cleaning your filter media? This may sound like something that could be beneficial, but it may not be right for your filter. This is especially true if you have Greensand™ or Ironman Sand™ filter media. Greensand and Ironman media are coated with manganese dioxide which, when charged, oxidizes manganese as water flows through the filter. Unfortunately, chemicals that are [...]