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Featured Articles and Case Studies

MBBR retrofit of remote RBCs at Wabaseemoong Independent Nations, Ontario

Wabaseemoong Independent First Nations are a group of three communities located near the Ontario–Manitoba border about 120 kilometers north…

Vertical-shaft pile cloth filter at Pala Casino, California

Given the casino’s need to meet CA Title 22 reuse quality standards, the MITA® Pile Cloth Disk Filter was identified as a great solution because it can cost-effectively achieve lower TSS and turbidity than most other options on the market.

12+ years of SAGR performance a Shellbrook, Saskatchewan

Shellbrook’s objective was to treat its wastewater to the standards set by the CCME (Canadian Council of Ministers of the Environment), which Saskatchewan Environment was in the process of adopting.

Cold water lagoon-based ammonia, phosphorus, and nitrogen removal at Pilot Butte, Saskatchewan

Back in 2014, Pilot Butte’s population had just climbed past 2,500, and with several developments in progress, the Saskatchewan municipality needed to upgrade their two-cell facultative lagoon system to allow for more treatment capacity.

IFAS retrofit for ammonia, nitrogen at Maricopa, Arizona

In 2019, the Global Water – Palo Verde Water Reclamation Facility (WRF), located in northeastern Maricopa, AZ, was serving a growing population of 48,629 residents, while also seeing adjustments to their permit in their future.

Meeting ultra-low phosphorus TMDL at Bloomer, Wisconsin

Like many municipalities across North America facing environmental concerns over phosphorus—Bloomer was given a new Total Phosphorus (TP) limit that its existing wastewater treatment was unable to achieve.

Ammonia removal within existing lagoon footprint at Park View, Iowa

Sanitary district upgrades lagoons for full cold weather ammonia nitrification within existing footprint.

Expanding lagoon capacity using aeration, SAGR, MBBR within footprint at Absarokee, Montana

Fully utilizing a combination of Nexom’s expert technologies for BOD reduction and cold-water nitrification

Retrofitting with post-lagoon MBBR at Palmyra, Wisconsin

Retrofitting the existing lagoon for maintaining simple and reliable treatment to new specific limits.

Upgraded lagoons cited by U.S. EPA for ammonia removal at Kingsley, Iowa

Lagoon system upgrade with SAGR® technology for ammonia removal, BOD, TSS polishing, and disinfection to meet stringent discharge limits.

Industrial lagoons upgrade enables plant capacity increase for Brakebush Brothers, Wisconsin

Aerobic Treatment at Chicken Products Manufacturing Plant

Consolidating two lagoon plants into one at Colesburg, Iowa

Combining two lagoon-based wastewater treatment facilities and upgrading long-term ammonia compliance.

Removing glycol contamination with SAGR in YYC airport stormwater at Calgary, Alberta

Treatment for glycol-contaminated stormwater to reduce environmental impact of discharge.

Year-round lagoon discharge enabled by IDEAL at Grantsville, Utah

IDEAL extended aeration system and batch reactor process doubles treatment capacity for lagoons just south of Great Salt Lake.

Aeration overhauled in three days by SiteWorks at Bridgeport, Connecticut

Innovative SiteWorks installation of FlexAir fine-bubble allows large northeastern plant to realize savings literally overnight.

MBBR retrofit of bio-towers for leachate at Seneca Landfill, Pennsylvania

Helping a longstanding landfill’s WWTP meet new ammonia effluent limits with BioPorts™ technology.

Longstanding SiteWorks service relationship with Duckett Creek, Missouri

Quarter-century relationship with St. Louis metro area treatment facility sees EDI deliver on the “Aeration for Life” promise.

SiteWorks replaces thousands of ceramic discs at Denver, Colorado

At one of North America’s largest treatment facilities, SiteWorks gives a 31-year old aeration system new life.

Servicing legacy products with SiteWorks at Springfield, Missouri

SiteWorks called upon by southern Missouri treatment facility for turnkey membrane replacement of decade-old FlexAir MiniPanel aeration system.

Frielas WWTP, Lisbon, Portugal: Streamline

Serving a quarter-million Portuguese, StreamLine® system upgrade improves SOTE, energy savings, and effluent quality.

F&A Dairy Plant, WI: FlexAir

Wisconsin dairy plant cuts blower requirement in half, improves DO, and removes odor with FlexAir fine-bubble aeration.

Bowling Green, MO: Fixed-Grid FlexAir

Jet aeration upgraded to EDI fixed-grid fine-bubble system to achieve 40% energy savings.

Treating industrial lagoon ammonia at Food Processing Plant, Wisconsin

Industrial wastewater treatment overcomes ultra-low influent phosphorus to comply with reduced ammonia limits.

Increasing municipal capacity within existing footprint at Leeds, Alabama

Municipal wastewater plant intensifies treatment, adding nitrification capacity without adding footprint.

Filtering both phosphorus and nitrogen at a Military Base, MD

Denitrification added to sand filter-based phosphorus removal for dual nutrient removal.

Lagoon aeration, including unique float-sink aeration, reduces land area for Martensville, Saskatchewan

Range of lagoon aeration options, include floating and Nexom-exclusive float-sink laterals, needed to reduce land area required for updated treatment facility.

Intensifying small lagoon treatment with SAGR and aeration at Harrah, Washington

Cold water lagoons upgraded for tighter ammonia limits within the lagoons’ existing footprint.

Treating ammonia, phosphorus at remote, northern Misipawistik Cree Nation, Manitoba

Remote, northern lagoon upgraded for year-round ammonia and phosphorus compliance.

Achieving ultra-low phosphorus and metals with Blue PRO at Burrillville, Rhode Island

Northeastern municipal wastewater treatment plant upgraded with Blue PRO reactive filtration for ultra-low phosphorus and metals removal.

Meeting North America’s lowest phosphorus permit with Blue PRO at Citronelle, Alabama

Wastewater treatment plant upgrade doesn’t just beat an ultra-low Phosphorus limit, it beats North America’s lowest municipal Phosphorus limit.

Year-round non-toxicity with lagoon aeration, SAGR at Doaktown, New Brunswick

An environmentally conscious wastewater facility upgrade uses the optAER lagoon aeration with SAGR to achieve year-round non-toxicity compliance.

Removing phosphorus, maximizing affordability with Blue PRO at Marlborough, Massachusetts

New England wastewater treatment plant upgrade designed for Phosphorus removal and affordability.

Cold weather ammonia compliance with lagoon aeration, SAGR at Long Plain First Nation, Manitoba

Ojibway and Dakota community replaces its SBR with an aerated lagoon and SAGR for cold weather wastewater treatment.

Recycling lagoon effluent for alkalinity preservation, TN treatment at Sundridge, Ontario

Wastewater facility upgraded for ammonia, phosphorus and total nitrogen removal without abandoning existing lagoons.

Retaining existing lagoons using SAGR at Mentone, Indiana

Midwestern wastewater facility upgraded to meet low ammonia limits without abandoning existing lagoons.

Treating glycol without lagoons with SAGR at Buffalo-Niagara International Airport, New York

Upgrading airport cold weather stormwater treatment to treat high-strength glycol contamination from deicing fluid runoff.

Continuous discharge lagoons enabled by aeration, SAGR at Glencoe, Ontario

Upgrading for WSER compliance through post-lagoon nitrification, without abandoning existing infrastructure.

Optimizing lagoons with aeration for national park at Waterton, Alberta

National park’s lagoon-based wastewater treatment facility allows for effluent reuse, thanks to aeration upgrade.

Removing CECs from Cold Water Post-Lagoon Wastewater Treatment Systems

A Canadian-made wastewater treatment innovation could be part of a long-term sustainable solution for the removal of contaminants of emerging concern (CECs) in extreme cold climates… It was this growing concern that prompted Jabari to join with the University of Winnipeg and Red River College in Manitoba in evaluating the removal of these types of compounds, using the fully-aerated submerged gravel bed technology known as SAGR.

CEC Removal in Cold Water SAGRs Observed: New Study

Advancing the science of cold climate wastewater treatment is important to the fulfillment of the Nexom vision, and a recent study published in the prestigious journal Chemosphere by a team including Nexom Research & Development Engineer Dr. Pouria Jabari does just that.

Reliable Disinfection Treatment Demonstrated by Cold Climate Nitrification Technology: Canadian Study

A Canadian wastewater treatment innovation has revealed itself to be more capable than previously thought, information that may have come at an important time for many of Canada’s small towns.

Ammonia and Diesel: Northlands Dënesųłiné First Nation tackles two challenging foes with its simple, sustainable wastewater treatment plant

Northlands knows cold: located at 58°36’ N on the shores of Lac Brochet, even the average winter day features temperatures near -30°C. There’s a tendency to view the cold as an added complication, and to contend with it, additional systems must be put into place. But as Mattes speaks, it becomes clear that the solution involves not more complexity, but increased simplicity and sustainability.

Lake Winnipeg Foundation: “[SAGR] Solves Northern Wastewater Challenges”

In an article published in their special insert to the April 7, 2018 Winnipeg Free Press, the Lake Winnipeg Foundation profiled Nexom’s SAGR technology as implemented at the Misipawistik Cree Nation (MCN) wastewater treatment plant…

Preserving lagoons in existing footprint with aeration at Rocky Mountain House, Alberta

Lagoon upgrade helps western Alberta town achieve updated BOD and TSS limits and avoid building mechanical plant.

Hydraulic Fracturing Wastewater Facility, OK: FlexAir

Reuse-quality water is the product of this high efficiency treatment system and SiteWorks maintenance package engineered for high variability, elevated temperatures and high salinity.

Meet Manaka Piyadasa

Manaka works with gratitude and a good finger as to what’s happening in our company. Here she is!

Meet Tyler Friesen

Our General Manager puts in the work to keep Nexom a well-oiled machine – it’s Anousch!

Meet Anousch Mathew, P.Eng, MBA

Our General Manager puts in the work to keep Nexom a well-oiled machine – it’s Anousch!

Meet CJ Strain

Introducing our Product Manager for all of our Filtration technologies – we have CJ Strain! CJ has put in his years with us to help provide you..

Meet Isaiah LaRue

We’re grateful to have him directing our sales initiatives to help us bring top-tier technologies to our operators and engineers. Here’s Isaiah LaRue! Q: How long have you worked for Nexom?  A: Almost 5 years Q: How did you get to the position you are in now? You’ve...

Meet Peter Vieira

Peter has pretty much been with us since the beginning and is a vital part of our Nexom team! Q: How long have you worked for Nexom? A: 23 years Q: How did you get to the position you are in now? You’ve worked for Nexom for quite a while, so it’s safe to assume you’ve...

Meet Tanner Devlin

Leading the way for all of our Intensified treatment solutions here at Nexom is Dr. Tanner Devlin. A Manitoba native, Tanner, has spent half of his career with the Nexom team helping customers like you find the solutions they need for their wastewater treatment...

Meet Byron Heppner

Our team has experts with years and years of experience to help you find the best solutions for your treatment needs – and Byron Heppner meets that description! While he’s helped work in multiple areas of the company, he started in the engineering department and is...

Bringing Cyclor® Turbo to North America – Part 3: Designing for Real-World Conditions

In Part 3, the focus shifts to design— how Cyclor Turbo was adapted to the East St. Paul facility and the key design considerations involved in implementing it within an existing SBR system.

Axius Water is excited to be joining CRH

Axius Water is excited to announce that we are joining CRH – one of the largest providers of materials for critical infrastructure projects in the world. Our values align, our missions complement each other, and our commitment to stopping nutrient pollution is unchanged.

Bringing Cyclor® Turbo to North America – Part 2: Identifying the Right Site

East St. Paul, Manitoba aligned well with these requirements. Serving a growing community, the facility operates an established treatment train that includes rotating biological contactors (RBCs) and sequencing batch reactors (SBRs). This made it a strong candidate for evaluating how Cyclor Turbo could be implemented within an existing facility as part of a practical upgrade pathway.

Nexom & Cyclor® Turbo Profiled in Winnipeg Free Press

The article is part of the Free Press’ “Made in Manitoba” series and Hildebrand is quoted in the article explaining how Nexom’s location in Winnipeg has helped the company: “Being in Manitoba was a major boost for us as a business because of the respect that we got because of the climate conditions that we actually did all of our research and development work in.

Bringing Cyclor® Turbo to North America – Part 1: Establishing a Local Reference

In September 2025, Nexom and SUEZ formalized a partnership to bring Cyclor® Turbo to the North American market. This marked a crucial step in the regional deployment of a biological treatment process developed through pilot work, early operational experience, and initial reference applications outside North America.

New in ES&E: Wabaseemoong retrofits RBCs into MBBR

Read the full story published as a featured piece in the February 2026 issue of Environmental Science & Engineering (ES&E) magazine: Retrofitting the Wabaseemoong Independent Nations’ WWTP from a RBC to a MBBR.

New in WE&T: Could Blue Grass’s approach to modernizing its lagoon system help your facility?

The City of Blue Grass has commissioned a modernized lagoon system that is now shaping regulatory policy across Iowa.

Nexom and Suez Get a Boost for Cyclor Turbo

Axius Water partnership with Suez brings proven Cyclor® Turbo advanced wastewater solution to North American market.

Axius Water brings solutions together at WEFTEC 2025 that are STOPPING NUTRIENT POLLUTION

Axius Water (“Axius”), a leader in nutrient management for municipal and industrial wastewater, will showcase its mission to STOP NUTRIENT POLLUTION at WEFTEC 2025 in Chicago (Booths 3813 & 2820), from September 29 through October 1

Nexom®, an Axius Water company, partners with SUEZ® to bring enhanced Aerobic Granular Sludge (AGS) to North American Market

Nexom, an Axius Water company, announced today the launch of Cyclor® Turbo, the proven SUEZ technology for advanced wastewater treatment in a compact footprint.

Axius Water® Expands Nutrient Removal Capabilities with the Acquisition of S&N Airoflo, Inc.

POCASSET, Mass. (August 14, 2025): Axius Water (“Axius”), a leading provider of nutrient management solutions for municipal and industrial wastewater treatment facilities, announced today that it has acquired S&N Airoflo, Inc., a leading supplier of surface aeration systems, based in Greenwood, MS.

Nexom® SAGR® post-lagoon nitrification will now be smaller and more cost-effective than ever

Winnipeg, MB, Canada (July 22, 2025): Nexom, an Axius Water company, announces today the launch of its smaller-footprint SAGR system. This updated design will significantly reduce the capital cost to provide year-round wastewater ammonia treatment for lagoon-reliant...

Nexom named “the most significant player in the lagoon space” by GWI

In a January 22, 2025 report on North America’s lagoon industry, Global Water Intelligence (GWI) called Nexom “the most significant player in the lagoon space.” The article quotes Nexom Director of Application Engineering Merle Kroeker, providing context for changes...

Axius Water® Acquires Aero-Mod, a Leader in Mechanical and Biological Treatment

POCASSET, MA USA (January 8, 2025): Axius Water (“Axius”), a leading provider of nutrient management solutions for municipal and industrial wastewater treatment facilities, announced today that it has acquired Aero-Mod, a leading supplier of proprietary mechanical/biological wastewater treatment systems based in Manhattan, KS. This acquisition enables Axius to further expand its nutrient removal solutions for water and wastewater.

“Established Key Player”: GWI recognizes MITA Pile Cloth Filter’s role in filtration market

October 23, 2024: Global Water Intelligence (GWI) called out the MITA Water Technologies™ pile cloth filter (brought to the North American market by Nexom) as being an “established key player” in a recent article titled “Wastewater filtration sees new drivers for primary and tertiary treatment.”

Join Axius Water® and the Axius businesses at WEFTEC booth 1313 and 329 in NOLA

NEW ORLEANS, LA USA (October 7, 2024): Axius Water®, a leading provider of nutrient management solutions for municipal and industrial wastewater treatment facilities, announced today they will be in booth 1313 and 329 at WEFTEC 2024, in New Orleans, LA. Visitors are invited to the booth to learn how the Axius team is stronger together

Axius Water® acquires MITA Water Technologies®, a leader in wastewater treatment and filtration

MUNICH, GERMANY (13 May, 2024): ATAC Solutions®, EDI® (Environmental Dynamics International®), EOSi (Environmental Operating Solutions), Napier-Reid, and Nexom®, Axius Water® companies, are stronger together at IFAT’s Hall A3, Stand 315 and uniting around the mission of “Stopping Nutrient Pollution.” Learn how their proven solutions enable customers to improve the effectiveness of water and wastewater treatment in industrial and municipal applications.

Nexom: IFAT 2024 Press Release

Axius Water: Shortlisted for Water Technology Company of the Year

POCASSET, MA USA (February 26, 2024): Axius Water, leading provider of nutrient management solutions for municipal and industrial wastewater treatment facilities, announced today that it has been shortlisted for the Global Water Intelligence (GWI), Water Technology...

Axius Water acquires Triplepoint Environmental, a leader in transforming wastewater lagoons.

POCASSET, MA USA (October 3, 2023): Axius Water announced today that it has acquired Colorado-based Triplepoint Environmental, a leading supplier of wastewater lagoon systems for rural communities. Axius Water is a portfolio of businesses focused on improving the...

EDI, EOSi, Napier-Reid & Nexom are Stronger Together as Axius Water companies at WEFTEC 2023, featuring proven, sustainable nutrient management solutions

Four operating companies of Axius Water exhibiting at WEFTEC 2023 in booth 1042 First WEFTEC appearance for Napier-Reid, a seventy year-old water and wastewater equipment engineering firm See EDI’s 9-foot wide fine-bubble aeration curvilinear panel diffuser, EOSi’s...

Stronger Together 2022 Sustainability Overview from Axius Water Now Available

POCASSET, MA USA (September 26, 2023): Axius Water announced today, the release of the 2022 Sustainability Overview now available for download at axiuswater/sustainability/. Axius Water is a portfolio of businesses focused on improving the effectiveness of water and...

Napier-Reid, provider of water and wastewater treatment systems, joins Axius Water

POCASSET, MA USA (February 22, 2023): Axius Water announced today that it has broadened its platform by acquiring Napier-Reid, a leading supplier of custom-engineered water and wastewater treatment systems located in Ontario, Canada. Axius Water is a portfolio of...

Cindy Paulson joins the board of directors of Axius Water

POCASSET, Mass. USA (December 14, 2022): Axius Water, a portfolio of businesses focused on improving the effectiveness of the treatment processes to remove nutrients in industrial and municipal applications, announces today that Cindy Paulson has joined the Axius...

Stronger Together: Axius Water 2021 Sustainability Overview

Axius Water Operating Companies continue to make collective sustainability impact across environmental, social, and governance issues for the 2021 fiscal year.Throughout the Axius Water Platform, Nexom, EDI and other operating companies make substantial impacts to...

EDI, EOSi, & Nexom are Stronger Together as Axius Water Companies at WEFTEC 2022 featuring proven, sustainable nutrient management solutions

NEW ORLEANS, LOUISIANA (October 10, 2022): Environmental Dynamics International (EDI), Environmental Operating Solutions (EOSi), & Nexom - all Axius Water companies - come together for their WEFTEC debut to showcase their proven wastewater solutions for aeration,...

Nexom partners with MITA to bring globally renowned cloth disk filter to North America

Nexom will be the exclusive manufacturer and distributor of MITA Water Technologies’ pile cloth disk filters in North America MITA has more than 25 years’ experience building disk filters, with more than 600 installations worldwide Nexom will build MITA cloth disk...

EDI, EOSi, Nexom & ATAC come together as Axius Water companies at IFAT 2022 in Hall A3, Stand 315 to feature proven nutrient management solutions

MUNICH GERMANY (30 May, 2022): Environmental Dynamics International (EDI), Environmental Operating Solutions (EOSi), Nexom, and ATAC Solutions, all Axius Water companies, come together for their IFAT debut to showcase their proven wastewater solutions for worry-free...

KKR and XPV Grow Water Quality Platform with acquisition of Environmental Dynamics International (EDI)

Completes First Add-on to Strategic Platform that includes Nexom and EOSi New York – June 23, 2020 – A global strategic platform established by KKR and XPV Water Partners to provide end-to-end nutrient management solutions, today announced the acquisition of...

Removing CECs from Cold Water Post-Lagoon Wastewater Treatment Systems

CEC Removal in Cold Water SAGRs Observed: New Study

Nexom’s Response to the COVID-19 Pandemic

“Nexom remains open for business even as our employees’ and customers’ safety remains our first priority.“ A message from our CEO, Martin Hildebrand.

KKR and XPV

NEW YORK – December 3, 2019 – KKR, in partnership with XPV Water Partners, today announced the formation of a wastewater treatment platform with the goal of creating the leading provider of end-to-end nutrient management solutions for municipal and industrial wastewater treatment facilities….

Reliable Disinfection Treatment Demonstrated by Cold Climate Nitrification Technology: Canadian Study

A Canadian wastewater treatment innovation has revealed itself to be more capable than previously thought, information that may have come at an important time for many of Canada’s small towns.

Nexom Repeats as Best Employer in Wastewater Industry

Hunter Crown awards “2018 Best Workplace” for Wastewater category to Nexom.
Award based on qualitative and quantitative analysis of employee survey.
Nexom has won this award in both years it has been presented.
Hunter Crown is a water-focused executive search partner based in Frederick, MD.

Ammonia and Diesel: Northlands Dënesųłiné First Nation tackles two challenging foes with its simple, sustainable wastewater treatment plant

Lake Winnipeg Foundation: “[SAGR] Solves Northern Wastewater Challenges”

Desalitech and Nexom win 2017 Best Employers to Work for in the Water and Wastewater Industry

Nexom is the most exciting organization I’ve ever worked for. Led by a wonderful group of people who truly care about the team, and staffed by an incredible community of people that go the extra mile for one another.

Wastewater Leader Nexom Acquires Entex BioPortz MBBR Technology

WINNIPEG, Manitoba – Nexom CEO Tom Pokorsky today announced the successful acquisition of BioPortz™ Moving Bed Biofilm Reactor (MBBR) system from Entex Technologies, Inc. The acquisition will allow Nexom, a leading provider of wastewater processing technologies, to broaden its biological treatment portfolio in support of its diverse, growing customer base.

Nexom acquires assets of Blue Water Technologies.
Blue Water a specialist in tertiary sand filters and primary pre-screening.
Nexom a wastewater treatment technologies leader for lagoons and filtration.
Nexom now operating from offices in Winnipeg MB, Grafton WI, and Hayden ID.

New wastewater company led by CEO Thomas M. Pokorsky and President Martin Hildebrand.
Company formed to be leader in nutrient removal and energy and operating efficiency.
Created from Winnipeg-based Nelson Environmental Inc., founded in 1997.
Nexom purchased cloth disk filtration technology; more acquisitions in progress.

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