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ChartWater: A global manufacturer and service provider of engineered solutions for municipal water treatment and industrial process applications. Our portfolio of proven products, processes, and engineering expertise provides customers with single-point responsibility for complete solutions that enable water professionals to achieve their objectives with the lowest combination of risk and costs while driving enhanced outcomes for people, communities, and the planet.


Combat odor and corrosion problems in your collection system with BlueInGreen technology. Designed to eliminate sulfide production by promoting an aerobic environment, our odor control solutions offer an effective alternative to chemical treatment in force main and gravity sewers. 

BlueInGreen odor control solutions are designed to eliminate sulfide production by promoting an aerobic environment, an effective alternative to chemical treatment. 

Built on proven BlueInGreen gas dissolution technology, our solutions offer unparalleled advantages for ozonation of water and wastewater. Whether eliminating DBP issues or minimizing the discharge of emerging contaminants, BIG excels.

From simple in-process pH adjustment and alkalinity addition to large recarbonation projects, BlueInGreen delivers results.

BlueInGreen technology utilizes a pressurized process to rapidly and efficiently dissolve oxygen in a side stream, offering multiple benefits in a host of municipal, industrial and ecological water treatment applications. Winner of the WEF Innovative Technology Award, BIG Oxygenation is the solution that started it all.

AdEdge-ROTEC’s Flow Reversal technology is designed to be implemented in new and existing reverse osmosis desalination facilities for water purification, brackish water, process water, and other industrial applications. This high recovery technology addresses concerns often associated with desalination and enables significant system performance improvements, leading to higher profitability, reduced operating costs, and a lower environmental impact.

NoMonia is a dual-stage engineered biotreatment process that relies on naturally occurring bacteria. Typically, the amount of ammonia that can be oxidized during the natural nitrification process is limited by oxygen availability and its saturation level in the water.

In the adsorption process, contaminants break their bond with the water molecules and chemically adhere to a filter media. This is typically accomplished by directing the water flow through pressure vessels containing the filter media at a rate that allows enough contact time for adsorption to occur. AdEdge Water Technologies’ Bayoxide E33 adsorption media is the industry standard for arsenic removal. This granular ferric oxide media reduces up to 99% total arsenic, including both Arsenic (III) and Arsenic (V).

Groundwater is the primary water source for most communities in North America. biottta® leverages nature to offer an affordable and sustainable solution for wellhead treatment of inorganic and organic contaminants.

With hundreds of systems installed throughout North America, no other company has more experience and know-how to provide a full service media replacement than AdEdge.

AdEdge InGenius™ control panels are custom-engineered programmable logic control panels designed to meet site specifications for monitoring and integrating AdEdge designed treatment systems with auxiliary equipment and controls for water systems.

The AdVantEdge™ line of products from AdEdge is a complete line of water treatment products to remove arsenic from drinking water in individual households.  The AdVantEdge residential product line includes single tap or point-of-use (POU) systems and whole house or point-of-entry (POE) systems.  Each system uses GFO adsorptive media that has been proven to be the best media for removing both Arsenic III and Arsenic V in several EPA demonstration sites, third-party comparison tests, and by the thousands of successful residential and community water systems across the country.

The fully integrated, pre-engineered, pre-wired, WaterPOD packaged water treatment unit combines system performance with economy, resulting in an ideal solution for sites where space, cost, and schedule are critical.

Designed and built specifically for well head treatment, AdEdge AD26 systems are engineered as stand-alone systems for the removal of iron, manganese, sulfide, and arsenic if it coexists with high levels of iron.

The H2Zero Backwash Recycle Systems configuration can be designed for arsenic adsorption or iron & manganese oxidation & filtration systems. Whether backwashing is infrequent (every 45-60 days in the case of adsorption for "fluffing" the media beds or performed one or more times per week using AdEdge can customize a solution to fit your need.

Designed for tap, well, or surface water applications, AdEdge Integrated Membrane RO Solutions reduce total dissolved solids using advanced membrane technology. Because almost all RO systems require pretreatment for contaminants such as iron, manganese, suspended solids or organics, AdEdge offers a complete integrated treatment system for a total treatment solution.

The Adedge solution for Water Treatment Systems is specially designed for the removal of arsenic and other metals from drinking water in applications that service a population of fewer than 10,000 users

Adedge Water Technologies provides a line of pre-engineered, packaged industrial wastewater treatment systems designed for removal of heavy metals from groundwater and industrial wastewater using AD33 adsorption media


  • Supersaturated dissolved oxygen (SDOX®) can cut aeration-related energy costs in half for a range of applications, including activated sludge systems, oxidation ditches, odor control in collection systems, and more.

  • This article will explain the matrix of factors that can affect PFAS removal and why it is important to work with an experienced partner.

  • This is the third article in a series of articles and case studies examining the adoption of innovative solutions in water treatment and the market drivers of change influencing how companies in various industries manage their wastewater.

  • This is the second in a series of articles and case studies examining the emergence of sustainably-driven innovation within the wastewater treatment functions of the food and beverage industry as sustainability and production issues intersect and influence how companies manage their wastewater.

  • When considering an arsenic treatment option for a water system application, it’s important to obtain and review the proposed design criteria carefully. A good system design will have evaluated critical water quality parameters.

  • Arsenic presents a wide array of negative health impacts, which is why it is such a big concern for many municipal water systems. 

  • The aesthetic impact of iron and manganese on finished water — altering its color, odor, and/or taste — is the top driver of municipal utility customer complaints. 

  • September 2020, water joined precious metals, oil and other commodity futures traded on Wall Street amid fears of scarcity. In October, Chart Industries, Inc., a global manufacturer of engineered equipment for the industrial gas and energy industries, announced its acquisition of the water cleantech company BlueInGreen, LLC., which Chart’s CEO and President, Jill Evanko, described as a ‘natural fit’.

  • Manganese has the potential to become a primary contaminant in the future. Therefore, cost-effective methods for removing it are an important consideration when treating drinking water.

  • Conventional nitrate treatment equipment tends to generate a waste-handling issue that can be a challenge to many utilities. The emergence of innovative technologies in drinking water treatment has led to more sustainable approaches for the reduction of nitrate.

  • The process of launching a municipal drinking water treatment operation can take years. In the end, a community is left with a complex system, an operations and maintenance manual, and a well-trained staff. Many communities are extremely well versed in the functions and operation of their treatment for the specific parameters for which it was built. However, as time goes on, plant managers and operators increasingly have a need for outside assistance.

  • Anion exchange treatment technologies produce a brine/contaminant discharge, while reverse osmosis solutions generate a concentrated arsenic reject. By comparison, the only cost of a properly designed iron-based adsorption system is periodic media changeout.

  • The city of Lemoore, CA, recruited a team of water treatment and construction specialists to address water quality and scarcity concerns.

  • Receiving a compliance order from the California Water Board’s Division of Drinking Water (DDW) was not the worst thing that ever happened to the City of Lemoore. It set the wheels in motion for a unique technical solution to historic groundwater problems and a progressive design-build approach to accelerating delivery of high-quality drinking water with only one-fourth the operating expense (OPEX) of other treatment alternatives.

  • Baby boomers are retiring in large numbers across many industries, and water isn’t immune to the shift. To adapt, AdEdge Water Technologies has been deliberate in its efforts to achieve staff diversity — especially the generational aspect — by crafting a culture to meet the expectations of younger workers.

  • Ammonia is a naturally occurring compound of nitrogen and hydrogen. As a key ingredient in many fertilizers, the most common way that it infiltrates source water and causes water treatment plant (WTP) problems is as agricultural runoff. Fortunately, new biological treatments can now handle ammonia and frequently co-occurring compounds such as iron and manganese all in one process.

  • Nature has long provided guidance to simple and sustainable ways to manage environmental challenges. Biological treatment of potable water is no exception. As more water is required to support human activity worldwide, sources once considered too contaminated or expensive to treat are quickly becoming necessary options. For groundwater contaminant removal, once again, the laws of nature point the way.

  • As fresh water supplies dwindle, search for “new water” increases, and regulations become more stringent, reverse osmosis systems have gained popularity among utilities. Their ability to treat brackish or salty water and to remove numerous contaminants provide opportunities to treat lower quality waters or reclaim treated effluent. Most concerns about reverse osmosis relate to high costs, concentrate management, and low recovery rates.

  • Basic construction activities today are more complex than ever when it comes to environmental concerns. Dewatering is a common necessity for contractors and developers today. In addition to ensuring a safe construction site, contractors must be aware of groundwater disposal constraints and regulations.

  • Few drinking water contaminants can boast the deadly reputation of arsenic. The substance is a well-known carcinogen associated with myriad health problems, and drinking water operations in certain regions must stay vigilant. To help in the fight against arsenic, Water Online spoke with Sahar Fathordoobadi, Application Engineer from AdEdge Technologies, an industry leader in arsenic removal solutions.


  • View this short video to learn more about Chart’s proven innovation in water treatment.

  • When you need treatment solutions and engineering expertise that can be rapidly deployed – when and where you need it – you need Treatment-as-a-Service (TaaS).

  • Greg Gilles from AdEdge discusses trends in treatment and ways of tackling water scarcity in this episode of Water Talk.

  • Delano, a small town in California's Central Valley, was experiencing high nitrate levels in their groundwater. AdEdge, in conjunction with Carollo Engineers, designed, manufactured, and commissioned a biottta biological filtration system for nitrate removal rated for 570 gpm.

  • The Lincoln Pipestone Rural Water District in Minnesota had a high level of both nitrate and manganese in the groundwater. Piloting of the biottta treatment solution proved to be successful.

  • This video features testimony from Pete Gomez, Water Operator for Desert Sands MDWCA in Anthony, NM. In 2010, AdEdge installed a 450 gallons/minute AD26 Packaged Water Treatment system to remove arsenic, iron, and manganese in Andrews, NM.



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Contact: Tyler Butel



  • In this video Chart Industries' business leaders Tyler Elm and Greg Gilles provide an informative discussion on the different treatment options and technologies ChartWater offers to provide clean water for many different industries.

  • Perfluoroalkyl and polyfluoroalkyl substances (PFAS), a group of manmade chemical compounds are an example of an emerging contaminant that is attracting substantial attention of consumers, water professionals, and regulators due to their abundance in soil and drinking water sources, and their potential health effects. Accordingly, local regulation is already in effect in many states, and the EPA is taking measures to control the manufacturing, use, and exposure to PFAS and PFAS waste.

  • Recently, Rich Cavagnaro and Ronit Erlitzki, from AdEdge Water Technologies, sat down with the Water Online editorial team. The discussion ranged from ways to treat PFAS and water to sustainability to how to facilitate innovation in the water industry.

  • Chris Milligan, President of ChartWater – parent company to BlueInGreen and AdEdge – sat down with the Water Online editorial staff to discuss all things Chart, ChartWater, BlueInGreen, and the water industry as a whole.

  • The Central Valley of California has many potable groundwater systems operating on subsurface wells that have primary and secondary regulatory drinking water issues. Given the very challenging water quality as recognized the Division of Drinking Water, the City of Lemoore, CA water supply (consisting of multiple well clusters) is exceeding the compliance targets for disinfection byproducts (DBPs), mainly total trihalomethanes (TTHMs).

  • A southwestern (AZ) community faced a tough challenge to quickly identify an alternative water source and install a new and cost-effective treatment solution in a period of 6 months to provide potable water for the community during the temporary shutdown of the existing surface water treatment plants. This webinar will describe in detail the rationale and design criteria used to build the ultra-high recovery flow-reversal RO system used in this application.

  • The City of Taylorville, IL, needed to diversify their drinking water sources by bringing unused groundwater wells online to supplement their surface water supply. Unfortunately, their groundwater contained nitrate levels that exceeded regulatory limits and would require treatment.

  • For water utilities facing various water contamination issues, there is no single catch-all treatment. That is why in this recent Water Talk interview Ronit Erlitzki and Doug Craver of AdEdge Water Technologies share treatment options that can be used alone or in combination to address diverse challenges. They introduce a new reverse osmosis (RO) treatment technique capable of raising recovery rates by 20 percent and reducing concentrate volume up to 70 percent vs. conventional RO (depending on water quality). They also explore biological processes for removing nitrate, VOC, ammonia, etc. and treating high brine concentrations in wastewater, plus techniques for resolving ammonia problems in water with high TOC concentrations.

  • Arsenic, iron, manganese, and sulfide (AIMS) are common groundwater contaminants that have serious concerns both aesthetically and from a health perspective. Well-established treatment processes — oxidation/filtration and coagulation/filtration — are the industry standard for treating these contaminants; however, innovative medias can provide many benefits that traditional technologies lack, such as lower capital and operating costs. 

  • There are a variety of technology vendors serving the water and wastewater industry, and many offer products and prices that are very comparable. Sometimes the differentiator comes down to the service, which is driven by company culture. In this Water Talk interview, Rich Cavagnaro, CEO of AdEdge Water Technologies, and Fariha Hassan, a project manager with AdEdge, discuss the positive ways to impact company culture and how that can go a long way toward impacting performance and innovation.

  • AdEdge Water Technologies specializes in inorganic contaminant removal, relying on a variety of treatment technologies such as adsorption, coagulation, oxidation, filtration, RO and ion exchange. Rich Cavagnaro, CEO of AdEdge Water Technologies and Ronit Erlitzki, Director of Business and Product Development for the Company, recently joined Water Talk to discuss a biological treatment technology for groundwater wells.

  • Biottta is a relatively new biological filtration process for drinking water treatment, addressing nitrates, perchlorates, chromium-6 and a number of VOCs as well. In this Water Online Radio interview, AdEdge Water Technologies’ Chad Miller and Rich Cavagnaro discuss its emergence in the water treatment market and some of the specific contaminants it addresses.

  • When Vinny Gupta, the president and CEO of InNow LLC, met Rich Cavagnaro, the CEO of AdEdge Water Technologies, he saw an opportunity to help 40 million people get clean water.

  • Carollo Engineers and AdEdge Water Technologies share insight and expertise while bringing innovative groundwater treatment systems to market.

  • There are a number of regulations in drinking water centered around emerging contaminants. Hexavalent chromium is one that you’ll see on the national marketplace.

  • The engineering community can sometimes be wary of trying anything other than the technologies they are already accustomed to, says Rich Cavagnaro of Adedge, a purification technology company with a focus on nitrates and radionuclides.

  • Rich Cavagnaro, President of AdEdge Water Technologies, and Tom Carmody, President of TC Tech LLC, share how their companies have partnered to successfully grow business in the advanced water treatment technology space.

  • Rich Cavagnaro and Greg Gilles, Principals of AdEdge Technologies, discuss the company’s water pot technology and a new movie about arsenic removal in a remote South American community

  • The president and vice president of AdEdge Water Technologies join Water Online Radio to discuss the company’s recent achievements and innovations, as well as the important differentiating factors for water treatment providers in today’s marketplace.