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Meet us in person

We will be present at the following events and look forward to meeting you. Get in touch with us!

 

WHX 2026, Dubai
09 – 12 February 2026

LOUNGES 2026, Karlsruhe
24 – 26 March 2026

IFAT 2026, Munich
04 – 07 May 2026

Herco publishes compliance statement

For us, responsibility is more than just compliance with rules; it is a promise of quality that we live by. Find out here how our new compliance statement serves as a shared guide.

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The Herco compliance document features a handshake symbolizing trust in industrial water treatment solutions.

Season's greetings and outlook 2026

At the turn of the year, Managing Director Edwin Locker looked back and gave an exciting preview of the coming months. Watch his video message here and find out what topics are currently on our minds.

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A man in a white shirt stands beside a poinsettia in an industrial setting, discussing reverse osmosis systems.

EMAS certificate received in December 2025

Herco Wassertechnik once again receives EMAS certification from the Stuttgart Region Chamber of Industry and Commerce. The current environmental statement confirms further measurable improvements in energy and water indicators.

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Herco at Hydrogen 2025 in Hamburg

At the Hydrogen Technology Expo, Herco demonstrated how pure water quality stabilises electrolysis processes and also saves up to 25% in operating costs – for efficient, sustainable hydrogen production.

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At the HercoWater booth, a representative discusses industrial water treatment solutions with two visitors at the expo.

Herco at the drinktec 2025 in Munich

Herco was at drinktec 2025 in Munich and presented innovative solutions for water treatment in the beverage industry. Our team showed how sustainable system technology leads to efficient production and high water quality.

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Herco's stand at Drinktec.

Large-leaved lime tree for the climate and biodiversity

With a summer lime tree on the insect meadow, the BUND local group in Freiberg to shows how local commitment brings sustainability to life.

 

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A man assists in planting a tree with machinery, highlighting Herco's commitment to sustainable industrial water treatment.

Herco at the ERA Congress 2025

From 4 to 7 June 2025, Herco Wassertechnik GmbH was present at the ERA Congress in Vienna. Every year, the congress brings together experts from all over Europe to discuss innovations in renal replacement therapy and nephrological research.

 

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Three men stand smiling at the Herco medical booth showcasing industrial water treatment systems in Vienna.

Staff Assembly at Herco in the New Facilities of Werk2

On Tuesday the staff assembly of Herco Wassertechnik GmbH took place in the new premises of Werk2. The focus was on Herco’s direction and current status.

 

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Employees gather at the Herco assembly in Werk 2 to discuss industrial water treatment advancements.

Team spirit, endurance and summer weather – Herco at the Trollinger Marathon 2025

The most important sporting event in Herco’s annual calendar took place this year on 11 May 2025, as part of the 23rd Heilbronn Trollinger Marathon (“Trolli”).

 

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A group of people wearing "hercowater" shirts gather at a marathon event, highlighting teamwork and industrial water treatment.

Shaping the Future Together – Hydrogen, Reuse and Market Opportunities in Africa

On 7 May 2025, Herco Wassertechnik GmbH had the pleasure of hosting the regional group meeting of the German Water Partnership at our site in Freiberg am Neckar. The event focused on market opportunities in Africa.

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A group of professionals gathers at Herco for a conference on industrial water treatment solutions.

A mobile water lab for safe drinking water in South Sudan

Herco Wassertechnik supports the use of mobile water laboratories in Nimule, South Sudan, for the on-site analysis of chemical, physical and microbiological parameters. The high-precision technology improves water quality control in remote regions and contributes to a safe drinking water supply.

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A mobile water lab, supported by Herco, is utilized by men discussing industrial water treatment solutions in Sudan.

Herco takes part in delegation trip to Singapore

Herco Wassertechnik used a delegation trip to explore market opportunities in Singapore's innovative water sector. The focus was on technical dialogue and new partnerships for industrial water treatment.

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A group of professionals stands on stage at a Herco Water event in Singapore, highlighting industrial water treatment innovations.

Herco at the LOUNGES Cleanroom Processes in Karlsruhe

Herco Wassertechnik presented water treatment systems for pharmaceutical processes at the leading trade fair and held numerous technical discussions.

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Three men engage in conversation at a Herco stand showcasing industrial water treatment solutions for the pharmaceutical industry.

Herco at the Congreso Nacional del Hidrógeno Verde

Herco Wassertechnik presented solutions for water treatment to produce green hydrogen at the Congreso Nacional del Hidrógeno Verde and used the event for international dialogue.

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A speaker at a conference discusses industrial water treatment innovations, highlighting hercowater solutions.

Herco medical at the Arab Health Exhibition 2025

Herco medical presented certified dialysis systems and made valuable contacts at Arab Health 2025 in Dubai. Many thanks to ‘THE LÄND’ and all visitors.

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Two men in suits point to the Herco Medical logo at an industrial water treatment exhibition stand.

Herco expands its site in Freiberg am Neckar

Herco is expanding its site in Freiberg to increase capacity and efficiency. Additional production space is being created in Werk2 and the renovation is already underway.

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A pristine industrial hall with a shiny new floor showcases the hercowater logo, emphasizing industrial water treatment excellence.

Our donations for christmas 2024

This year, Herco is once again making donations to non-profit organisations at Christmas. In this article we present the projects and initiatives for people and nature.

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Women carry water in buckets on their heads, highlighting the need for efficient industrial water treatment solutions.

Hydrogen Technology Europe Expo in Hamburg 2024

Once again this year, we had a stand at the world's largest trade fair for hydrogen in Hamburg. We brought along a water treatment system for our partner Neuman & Esser.

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Two men stand beside a Herco reverse osmosis system at the Hamburg 2024 Expo, showcasing industrial water treatment technology.

Fun and games at our 2024 summer party

After a bus journey through hail and rain, we arrived at the Kraxlalm in Rutesheim in the sunshine on 28 June 2024. To the surprise of most of the participants, we didn't go climbing again, but instead tried our hand at various team sports this time.

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A group of men enjoy a playful team-building activity during the Herco Sommerfest 2024, showcasing industrial water treatment camaraderie.

What role do operating costs (OPEX) play in the production of green hydrogen?

Green hydrogen is an important cornerstone on the road to climate neutrality in Germany. Technical solutions and economic costs are key challenges in this regard. In particular, the level of variable and fixed operating costs (OPEX) is crucial for the success of sustainable and cost-efficient hydrogen production.

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A person analyzes cost reduction data for a hydrogen project using industrial water treatment technology on a laptop.

A remarkable nature project: the renaturation of a former farmland area

Herco supports regional nature conservation projects with a company donation to the local BUND organisation in Freiberg. The organisation selects environmental projects in the region and uses the money to preserve our natural resources. One example is the renaturalisation project ‘From field to insect meadow’.

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A vibrant collage of wildlife, including a moth, birds, and insects, highlights regional biodiversity supported by Hercowater initiatives.

World Water Day 2024 - Water for Peace

Herco supports projects for a sustainable water supply in South Sudan. When clean water is scarce or when people have unequal or no access to drinking water, tensions within communities or between countries are inevitable.

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A peace ambassador engages with a group in a rural village setting, promoting harmony and discussing water treatment solutions.

Merry Christmas 2023

This year, our regional Christmas donation will once again go to a children's and youth hospice and to an organisation that fulfils the wishes of sick children or children in life crises.

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Colorful icons hang like ornaments above the greeting "Scheene Weihnachda 2023!" representing industrial water treatment.

Herco's advent calendar on LinkedIn: Sustainable innovation

Our Advent calendar: insight into our efforts to support the United Nations' goals for a sustainable future.

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An advent calendar on LinkedIn features images and logos related to industrial water treatment and hercowater.

Pollet Water Group meeting at Herco

GM meeting at Herco: 30 water treatment companies in Freiberg am Neckar

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A group gathers outside a building marked "Herco," highlighting their expertise in industrial water treatment systems.

Our ESG report for 2023 is online

In October, we published the latest ESG report on our homepage, outlining our values and progress in the areas of sustainability, social responsibility and corporate governance.

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Two technicians in blue uniforms discuss a document in an industrial water treatment facility.

Meet us at the Aquatech 2023

Pollet Water Group is participating in the Aquatech Amsterdam Exhibition from 6 to 9 November 2023 in RAI Amsterdam. Visit us on stand 01.336.

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Join the Pollet Water Group at Aquatech Amsterdam 2023 to explore cutting-edge industrial water treatment solutions.

Tech talk at the Hydrogen Technology Expo Europe

Tech talk on purewater at the Herco booth this week! Here comes your personal invitation

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A modern industrial facility for green hydrogen production features advanced water treatment units and wind turbines under a clear sky.

Real reference projects in watertreatment

What do you think about projects? Do you announce them when they only exist on paper - or when they are actually built or implemented?

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A detailed 3D model of an industrial water treatment system is showcased at the Hydrogen Technology Expo in Bremen.

Damage scenarios? No thanks.

The good news for all electrolysis manufacturers and their customers...

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The Herco building, promoting industrial water treatment, stands under a clear blue sky with a "#PUREWATER" sign.

Visit us at the Hydrogen show at booth 7B65!

Learn more about our possible standard solutions in water treatment or learn more about TOC content in water!

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Herco invites attendees to explore their industrial water treatment innovations at the Hydrogen Technology Expo in Bremen 2023.

The stack is a mimose.

...and what rhymes with "Mimose"? "Osmose"! What do we want to tell you now...

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Employees move a reverse osmosis system in a manufacturing facility, highlighting industrial water treatment innovation.

Herco was at the PWG Sales and Marketing Event

Pollet Water Group organised the Sales and Marketing Event for the group last week from 14-16 June 2023 at Ostend beach.

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People gather at the Sales & Marketing Event 2023, discussing industrial water treatment innovations by hercowater.

Congratulations to our two Herco Run teams

Congratulations again also this year to our two Herco running teams for place 112th and 207th.

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A team of runners wearing "Herco" shirts poses at Firmenlauf 2023, showcasing their industrial water treatment expertise.

Our heart beats for the reverse osmosis

Our heart beats for reverse osmosis, which is why we only learn everything about current membrane research from the best at the "Aachen Membrane Course for Water Technologies (MCW) 2023".

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The poster for the Aachen Membrane Course highlights advancements in industrial water treatment technologies.

Cycling to work

Cycling to work or around the house? Everyone as they like!

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A man stands proudly with his bike in front of a Herco sign, showcasing the innovative spirit of industrial water treatment.

Teambuilding "Herco Strategy 2025" as a graffiti art activity

Under professional artistic direction, we visually created the Herco strategy for 2025 as graffiti writing the Friday before last.

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A team celebrates in front of a colorful graffiti mural, showcasing creativity and teamwork at an industrial water treatment event.

Merry Christmas 2022

Haven't received a Herco Christmas present yet? Sustainability is also a material decision.

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Who is Herco? Who are we?

The Herco brand stands for quality: Made in Germany.

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Engineers collaborate in a factory setting, working on industrial water treatment systems and reverse osmosis technology.

20,000 litres/h of pure water

This week at Herco: 20,000 litres/h of pure water. Fresh from production into the test field and ready for dispatch.

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A sophisticated reverse osmosis system, ideal for industrial water treatment, showcases advanced filtration technology.

The Herco story as sand show

As part of our big 75th company celebration, there was an impressive sand show in the evening.

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A woman in a lace dress creates art with sand under warm lighting, symbolizing the precision of a reverse osmosis system.

We are part of the Freiberg climate chain

We are part of the Freiberg climate chain, whose goal is to save CO2, with our initiative "Cycle to work".

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Colorful flags hang in a greenhouse celebrating the Freiberger Klimakette, highlighting industrial water treatment solutions.

Honorary certificate for our 75th company anniversary

On 30 September 2022 Reiner Boucsein (chamber of commerce and industry Ludwigsburg) came to us in Freiberg am Neckar to present us with the certificate of honour for our 75th company anniversary.

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Four people proudly display a 75th-anniversary certificate from Herco, a renowned manufacturer of water treatment systems.

Our booklet for our 75th company anniversary is here

Hot off the press and very good to look at! Our booklet for our 75th company anniversary is on our table.

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A 75th-anniversary booklet for Hercowater highlights achievements in industrial water treatment and reverse osmosis systems.

Charity project for water purification

Official release of the water treatment plant for the impoverished settlement "Buenos Aires"...

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A child walks with a dog in a rural Peruvian village, where Herco supports a charity project for industrial water treatment.

State-of-the-art hemodialysis water treatment plant in Ilion

Our double reverse osmosis water treatment system "HP5500D 500-4500 P" is installed in the ultramodern Protypo Dialysis Center of Ilion in Greece.

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A modern medical facility in Ilion, Greece features advanced reverse osmosis systems for ultrapure water treatment.

Congratulations to our two Herco Run teams

Congratulations to our two Herco run teams! A lot of water brought our two 4-member teams to the finish line soaked at this year's LKZ company run. 3.3 km circuit in the rain around the Monrepos Lake...

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Participants in Herco shirts enjoy a company run, highlighting their commitment to industrial water treatment excellence.

Why Herco for Power-to-X?

We have extensive experience in water treatment for green hydrogen...

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Text highlights the importance of water in green hydrogen production, emphasizing industrial water treatment by Hercowater.

We are back from the ERA EDTA!

After 2 years we were indescribably happy to finally meet our partners and customers in person again...

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At a Paris expo, Herco showcases its advanced reverse osmosis system for industrial water treatment.

Internal test comparison 2021

Our own mixed-bed cartiridges are the best: this showed our internal test comarison in 2021...

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A collection of Herco Destillo MB cartridges showcases advanced industrial water treatment solutions.

Cycling to work: JOBRAD

Herco makes it possible. Also for private use. For the perfect work-life balance...

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A minimalist bicycle icon and the phrase "Jobrad bei Herco" highlight Herco's innovative industrial water treatment solutions.

Herco celebrates its 75th birthday!

In 2022, Herco looks back on 75 years of history! We are very happy about this company anniversary and will celebrate it this summer.

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Bubbles rise underwater, celebrating 75 years of excellence in industrial water treatment by HercoWater.

Herco Medical is at the Arab Health in Dubai

Herco Medical is at Arab Health in Dubai. Starting today. We cordially invite you to...

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Herco's exhibition booth at Arab Health showcases solutions for ultrapure water systems in the medical sector.

Our smart reverse osmosis unit UO-S7 5000 KR

Water-saving. User-friendly. Interconnected. Our smart reverse osmosis unit UO-S7 5000 KR for our partner Schweitzer-Chemie GmbH can achieve a permeate yield of up to 90%...

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A reverse osmosis system by hercowater efficiently processes water for industrial water treatment applications.

Peru: Container with the water treatment unit has arrived

In June 2021, we supported a charity with a plant for treating water to meet drinking water standards.

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A group of people stands proudly beside a Herco solar-powered water treatment system in a rural area.

Aquatech 2021

Now online: The interview with Birgit Fabritius (Product Manager, Herco Wassertechnik GmbH (PWG)) and Micheline Verhaeghe (Technology Intelligence Engineer Research & Development, Pollet Water Group) at Aquatech 2021...

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A digital globe and text highlight the Aquatech event on industrial water treatment featuring leading manufacturers.

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