| mudtrap.nl | MH WaterZaken | The MUDTRAP is a stationary installation that prevents the formation of sludge in waterways, increasing water quality. The MUDTRAP consists of collection basins that capture forming sludge and remove it via a transport system. The concept of the MUDTRAP was developed to meet the ecological and chemical water quality standards of the European Union and reduce the costs of dredging and disturbance of the water system. | Water & Environmental → Water Technology 198 | sludge 20 water quality 145 installation 13742 | |
| zwemwater.nl | Rijkswaterstaat | The website is a collaborative effort of Rijkswaterstaat, the provinces, and the water authorities. During the swimming season, from May to October, the water quality of these locations is regularly measured and assessed, with a map displaying the information. Users can search for specific swimming spots or filter by amenities, and find detailed information about individual locations. | Water Activity → Swimming 1402 | water quality 145 map 801 safety 5819 | Aa en Hunze → Schoonloo 41 |
| aquon.nl | AQUON | AQUON is a partner for water research and advises water authorities in Midden- en Zuid-Nederland on water quality and management. The company emphasizes the expertise of its employees and collaboration with water authorities to ensure a healthy water climate. AQUON plays a role in the monitoring cycle of the water authorities, providing insights needed for sustainable water management and policy development. | Consulting → Environmental Consulting 555 | water authority 58 water quality 145 water management 260 monitor 1063 research 8967 | Gilze and Rijen → Rijen 493 |
| ihw.nl | Rijkswaterstaat | The Information House Water works with Rijkswaterstaat, the water authorities and the provinces to facilitate the exchange of data. The management portal for water quality and water safety has been renewed and makes water quality data available from 2009. The Information House Water provides a knowledge platform with APIs to accelerate data exchange and strives for a common language in the information chain. | Safety → Water Safety 59 | apis 26 water safety 37 water quality 145 portal 591 data 5872 collaboration 16036 | Utrecht → Amersfoort 8011 |
| waterkwaliteitsportaal.nl | Information House Water | The portal offers a map viewer to view water quality measurement locations in the Netherlands from 2009. A new version of Aquo-kit has been released online with expanded testing for Chemistry and Swimming Water, including a PFAS test. The Information House Water manages the Water Quality Portal, a collaboration between Rijkswaterstaat, water authorities, and provinces. | Foundations → Environmental Organizations 185 | pfas 48 newsletter 6504 | Utrecht → Amersfoort 8011 |
| schoon-water.nl | CLM | The project encompasses stimulation projects, in which provinces, water authorities, drinking water companies, and interest groups work together to reduce the outflow of weed control and crop protection agents. Since 2001, the initiators have successfully worked towards this goal, as evidenced by available reports. The website presents news, rinsing tests, and tips on biological control, for example, regarding the control of the topspinners and trips. | Agriculture → Horticulture & Floristry 1404 | control 911 water 2501 | |
| ecosys.nl | Ecosys | Ecosys develops and offers various software solutions, including AquaDesk (a cloud solution for water quality data), Digital Delta (APIs for data access), and AquaNexus (a community for innovation). TaxaInfo is a national system for managing aquatic organisms, managed by Rijkswaterstaat and partners. Ecosys has 30 years of experience combining water knowledge, technology, and support to assist water managers in monitoring and management tasks, with a focus on sustainable water management. | Healthcare & Medical → Information Systems 52 | software solution 57 water management 260 monitor 1063 data 5872 | |
| spirotech.nl | Spirotech BV | The company provides standard and custom solutions that improve the operation of systems, save energy, increase comfort, and prevent wear and tear and breakdowns due to faults. Their product portfolio includes various systems for ventilation, dirt separation, hydraulic balancing, expansion vessels, and purification systems, as well as solutions for solar panels and water analysis. Spirotech offers not only products but also installation, maintenance, service and advice to ensure the quality and longevity of the systems. | Installation & Repair → Cooling Systems 127 Installation & Mounting → Installers 1007 | water quality 145 installation 13742 | |
| schonemaaswaterketen.nl | Schone Maaswaterketen | The website offers news, vlogs, and information about the initiatives of the Schone Maaswaterketen to improve the water quality of the Maas, particularly focused on reducing organic microcontaminants. The Schone Maaswaterketen is a collaboration between various parties, including water authorities, drinking water companies, and the Ministry of Infrastructure and Water Management, pooling knowledge and expertise. A key component of the website is the vlogs, where ambassador Annette Ottolini and other partners explain the activities and goals of the Schone Maaswaterketen. | | water quality 145 vlog 148 collaboration 16036 | Peel and Maas → Baarlo 442 |
| c-mark.nl | Eurofins C-mark | The bureau offers various services including sampling, analyses, risk analyses, management plans, legionella prevention, and audits for legionella. The website contains information on relevant legislation, such as the new swimming water law and the drinking water decision, as well as answers to frequently asked questions about water research and legionella. Eurofins C-mark works with various sectors including hotels, wellness, sports and recreation, municipalities, healthcare institutions and real estate management, and offers training and consultancy on water safety. | Environment → Environmental Services 375 | legionella 73 water quality 145 sample 418 consultancy 2596 research 8967 | |
| watismijnwaterkwaliteit.nl | Waterschap Amstel, Gooi and Vecht | The website offers overview maps of various water areas, such as creeks, canals, and polders. It describes different water quality requirements and monitoring activities, mentioning locations like 's-Gravelandsche Vaart and Cruijsbergen'. Various polders and areas, including parts of Diemen and the Ankeveense Plassen, are mentioned, as well as various parts of Naarden and Amsterdam. | Landscape → Polders 212 | water quality 145 polder 476 canal 507 monitor 1063 water 2501 | Amsterdam → North 657 |
| aquraat.nl | Aquraat | Aquraat delivers accurate advice and analyses for optimal water quality in various installations, such as HVAC systems, cooling systems, and greenhouse systems. The company offers services to manage the risks of Legionella contamination, where the suitability of water for specific applications is analyzed and optimized. To share knowledge, Aquraat now offers online courses on topics such as water as an energy carrier, Legionella management in practice, and feed water in greenhouse cultivation, accessible at your own pace. | | legionella 73 water quality 145 analysis 1615 installation 13742 course 14728 | |
| aqz.nl | Aqualab Zuid B.V. | Aqualab Zuid (AQZ) is an independent and ministerially accredited laboratory specializing in drinking water, industrial, maritime research, medical care, and more. The laboratory offers services such as sampling, chemical and biological water analyses, and expert advice regarding water quality and treatment. Aqualab Zuid processes approximately 160,000 water samples annually and offers vacancies for various positions. | Consulting → Environmental Consulting 555 | water quality 145 sample 418 laboratory 478 analysis 1615 | Altena → Werkendam 399 |
| boerenlandvogels.nl | Hoogheemraadschap Delfland | Research suggests a possible link between exposure to pesticides, such as imidacloprid, and health problems, including Parkinson's disease and developmental disorders in children. The Hoogheemraadschap Delfland monitors water quality in the greenhouse area with a measurement network of 23 locations, measuring pesticides, nitrogen, and phosphorus. The Sticky Boat Snail (Myxas glutinosa), a native freshwater snail, is potentially threatened by the use of pesticides. | Agriculture → Greenhouse & Protected Cultivation 158 | water quality 145 greenhouse 740 | South-Holland → Delfland Water Board 34 |
| haagsekunstenaars.nl | Stroom Den Haag | The website presents artists and their works through images and CVs. Currently, the exhibition ‘Water Views’ is on display at the VU ART SCIENCE Gallery in Amsterdam, featuring artists such as Suzette Bousema, Tanja Engelberts, and Jana Romanova. The installation ‘Mapping Dutch Waters’ is a citizen science project researching the changing water quality in the Netherlands, with the goal of meeting the European Union’s water quality standards. | Galleries & Exhibitions → Exhibitions 1083 | water 2501 work 3122 exhibition 5332 artist 5745 installation 13742 | Amsterdam → Ruigoord 16 |
| polderwachter.nl | The Polderwatchman | The Polderwatchman, a project by visual artist Marcel Blekendaal, is a unique concept: a walking art piece that wanders through the Dutch polders, telling stories. He organizes walks and performances in various polders in the Netherlands and beyond, sharing stories about the landscape and the future of the country. The Polderwatchman creates a temporary, immaterial experience, challenging viewers to see and appreciate the landscape in a new way. | Visual Arts → Installation Art 576 | polder 476 walk 2161 landscape 2609 artist 5745 story 8285 | Stichtse Vecht → Maarssen 1051 |
| plantresearch.nl | PlantResearch BV | The company offers services such as testing and analyzing various cultivation products, fertilizer formulations, and biostimulants. PlantResearch has a laboratory, flexible greenhouses, indoor cultivation facilities, and a scientific license for cultivating medicinal cannabis, enabling them to support a wide range of cultivation and product development questions. The Regulatory Affairs department provides label texts, SDS sheets, and (biological) certifications to meet the legal requirements of different countries. | Plants → Nurseries 1012 | testing 456 laboratory 478 greenhouse 740 research 8967 | Drimmelen → Made 335 |
| momentummicroplastics.nl | Universiteit Utrecht | The website outlines the project's research areas, including the development of standardized methods for measuring microplastics and assessing their toxicity. It highlights key findings, such as the discovery of microplastics in human blood, lungs, placenta, and brains, and research on the toxic effects of nanoplastics. The project involves a collaborative network of universities, research institutes, policymakers, and industry partners, aiming to develop solutions for mitigating the potential risks associated with microplastics. | Science → Environmental Science 180 | microplastics 10 health 6366 research 8967 collaboration 16036 | |
| volksgezondheidsmonitor.nl | Volksgezondheidsmonitor Utrecht | The monitor uses various methods, such as questionnaires, healthcare provider registries, and conversations with residents and professionals, to analyze the health of Utrecht's residents. The website publishes the results of these analyses and provides up-to-date information about the health of the city. The monitor covers various aspects of health, including lifestyles, health disparities, mental health, social environment, and care. | Social Issues → Public Health 167 | monitor 1063 lifestyle 2918 resident 3245 health 6366 care 12338 | Netherlands → Utrecht 48901 |
| pfasinfo.nl | Central Information Point PFAS South Holland South | The topic of PFAS is relevant, particularly in the South Holland region, where residents are concerned about pollution. The website offers a central location for information that is scattered across various government websites. The website covers topics such as health, food, soil, drinking water, surface water, legal issues, and citizen actions, with recent updates on research by RIVM and groundwater monitoring. | Environment → Environmental Issues 85 | sanction 26 pfas 48 soil 930 monitor 1063 report 4551 health 6366 | South-Holland → South-Holland-South 53 |
| glastuinbouwwaterproof.nl | Transparante Tuinder | The website provides information on various topics related to water management, including soil, irrigation, drainage, cultivation and fertilization, and drip irrigation. It addresses leakage checks and the improvement of water quality, with examples of research results and collaborative grower initiatives. The website also covers projects such as the development of a resilient autonomous fertigation system (Auferti) using sensors and algorithms, and compliance with European Water Framework Directive objectives. | Agriculture → Greenhouse & Protected Cultivation 158 | water quality 145 greenhouse 740 leak 1204 water 2501 research 8967 | |
| loodinwatertesten.nl | Het Waterlaboratorium | The website offers a check to determine if a lead-in-water test is relevant for the user. Loodinwatertesten.nl is an initiative of Het Waterlaboratorium, which works together with water companies such as Dunea, PWN and Waternet to monitor the quality of drinking water. The Waterlaboratorium is accredited by the Raad voor Accreditatie (RvA). The website informs about a new legal standard value for lead in drinking water, lowered from 10 µg/l to 5 µg/l, and provides explanations about the analysis methods and subsequent steps upon a test. | Environmental Services → Water Treatment 265 | testing 456 laboratory 478 lead 1195 analysis 1615 water 2501 | |
| zoetwatervoorzieningoostnederland.nl | ZON | The ZON program focuses on retaining freshwater and developing a climate-resilient and robust water system in collaboration with regional partners in the Hoge Zandgronden Oost region. The program includes measures, investments, and solutions related to drought issues and started its second phase in 2021. The website offers news, project maps, and documents regarding various projects, subsidy schemes, and collaborations with a focus on water management and climate adaptation. | Government & Administration → Regional Government 367 | drought 45 measures 192 water 2501 subsidy 2649 collaboration 16036 | |
| meta-citizenscience.nl | SISTEM-NL | The META project aims to better understand microfiber emissions through citizen scientists. SISTEM-NL, founded in 2022 at the University of Amsterdam, researches microplastics released during laundry and is expanding its network. The website offers opportunities for citizens to participate in research, experiment with home washing, and receive information about research results and updates. | Research → Research Projects 58 | wash 254 research 8967 network 11123 | North-Holland → Amsterdam 41253 |
| testenoppfas.nl | Normec Groen Agro Control | The website offers a test kit for individually measuring PFAS levels in chicken eggs, providing users with insight into the levels in their own eggs. It is emphasized that PFAS is not limited to specific industrial areas but is increasingly prevalent in various regions, causing growing concern about PFAS exposure. The website informs about the potential health risks associated with consuming eggs with high PFAS levels, particularly for children, and promotes proactive testing as a way to mitigate these risks. | | test kit 22 pfas 48 egg 335 laboratory 478 soil 930 | |
| ecofide.nl | Ecofide | The company provides a wide range of services, including field investigations, data analysis, consultancy, and ecological laboratory research. Ecofide is active in various fields within water quality and ecology, such as biological monitoring, KRW measures and data analysis. The company’s laboratory performs various ecological and ecotoxicological analyses, including biological monitoring, bioassays and bioaccumulation measurements, focusing on Soil Protection Act, Water Law and KRW. | Sustainability → Ecology & Environment 597 | water quality 145 ecology 170 laboratory 478 monitor 1063 consultancy 2596 research 8967 | |
| toolboxwater.nl | CropLife NL (formerly Nefyto) | The toolbox offers downloadable information cards and videos with practical measures for reducing emissions. Users can ask questions about field drainage to a specialized coach. Through emission scans, users gain insight into the emission on their farmland and where they stand relative to environmental standards. | Fertilizers & Soil Health → Crop Protection 36 | emission 130 water quality 145 measures 192 scan 790 video 6714 | |
| normecbiobeheer.nl | Normec BioBeheer | The company performs a wide range of analyses, including microbiological analyses, wastewater analyses, Legionella analyses, and fecal enterococci measurements, to ensure water quality. Watermonster and Normec BioBeheer operate as an independent partner with a focus on reliability, innovation, and a solution-oriented approach, guaranteeing the safety of drinking water and healthy working environments. The website provides an overview of various measurement programs, such as for drinking water reservoirs and swimming pool water, and offers the possibility to request quotes. | | sample 418 analysis 1615 water 2501 environment 4873 research 8967 | |
| hydroscope.nl | Hydroscope | The company emphasizes a personalized approach and promises engagement, expertise, and quality to its clients. The website offers a variety of services including legionella sampling, management of drinking water installations, water savings checks, and technical adjustments for efficient water management. Hydroscope works with various sectors such as healthcare facilities, housing construction, industry, municipalities, education, and recreation, providing advice and installation designs focused on water safety and compliance with regulations. | Plumbing → Water Systems 16 | water installation 38 legionella 73 water quality 145 water management 260 | Zoetermeer → Rokkeveen 60 |
| sleutelfactortoxiciteit.nl | STOWA | SFTox is a method used by water managers and drinking water companies to assess chemical contamination in surface water and implement effective measures to reduce it. The tool establishes a direct link between chemical contamination and its impact on aquatic life and provides information on the purification efforts for drinking water production. The website also contains information about the msPAF tool and changes in this tool, including the possibility of incorporating bio-availability into calculations. | Science → Biology 437 | contamination 32 ecosystem 262 water 2501 tool 3907 | |
| waterproef.nl | Stichting Waterproef | The foundation was established in 2005 and is the laboratory of Waternet and Hoogheemraadschap Hollands Noorderkwartier, where it provides reliable and independent advice. The services include sampling, chemical analysis, toxicology, hydrobiology, and research on aquatic plants and animals. Stichting Waterproef focuses on innovation and collaboration to improve water and soil quality and support nature legislation. | Research → Scientific Research 243 | toxicology 12 water quality 145 sample 418 biodiversity 720 analysis 1615 | |
| visseninnood.nl | Vissen in nood | It is important to report floating fish or dead fish to the water management authority. The website covers the causes of fish in distress, including drought, heavy rain, the spawning season, and feeding ducks. Information is provided about the deployment of VISambulances in the Netherlands, including their goals and methods. | Science → Biology 437 | drought 45 fish 1121 | |
| expertisecentrumpfas.nl | Arcadis, TTE Consultants, Witteveen+Bos | The expert center identifies suspect locations and develops methods to address PFAS contamination, as well as policy. Governments and market parties need practical knowledge about PFAS, which the expert center aims to facilitate. The expert center shares knowledge via a website, knowledge tables, and joint projects, and initiates solution pathways. | Environmental Services → Soil Investigation 63 | pfas 48 policy 2149 technique 2157 knowledge 3528 | |
| stichtinggezondwater.nl | Stichting Gezond Water | The foundation was established on December 6, 2018, and has a board of four members consisting of Ton de Jonge, Egbert Lobée, Antoinette van Bennekom and Kevin Bogaert. SGW specifically focuses on stopping the use of fishing lead and other heavy metals by recreational anglers, as well as the shedding of fishing net debris from professional anglers, plastic and PFAS. The foundation relies on donations to finance its activities, which primarily go towards the campaign for a lead and PFAS ban, fishing rights fees, events, the website, and brochures. | Foundations → Environmental Organizations 185 | pfas 48 fishing 424 lead 1195 water 2501 board 3438 donation 5110 | Reimerswaal → Hansweert 50 |
| wonenenzorgopdekaart.nl | WZK | The monitor is the result of collaboration between municipalities and corporations in the region. The monitor contains information about residents, households, housing, and available facilities, including the WoonZorgwijzer tool, which maps the living and life circumstances of people with specific challenges. Regular annual reports are published, such as the WZK-Regiorapport and WZK New Housing reports, providing updates and analysis on the region. | Local Economy & Development → Regional Development 296 | monitor 1063 housing 4378 report 4551 region 5412 care 12338 | Velsen → Santpoort-Noord 606 |
| jswater.nl | JSWater | JSWater is a partner in water quality for humans and animals. The website offers information on livestock drinking water, services, and products, with attention to acute water problems and periodic sampling. JSWater provides interpretation of water analysis results and independent advice to map out water bottlenecks and offer solutions. | Environmental Services → Water Treatment 265 | water quality 145 sample 418 | North-Brabant → 's-Hertogenbosch 8868 |
| onderdompelen.nl | Onderdompelen | The website provides an overview of the canals and waterways of Utrecht and their impact on the city and environment, including the protection of water quality. It is emphasized that many plants and animals that should live in the waters are absent or present in a small number, with the water being a ‘blue desert’. The website presents concrete actions, such as helping fish via the Visdeurbel, and mentions various organizations involved in improving water quality. | | canal 507 water 2501 nature 9094 | Netherlands → Utrecht 48901 |
| oppadmetwaterklaar.nl | Waterleiding Maatschappij Limburg (WML) | The website provides information about the sixteen drinking water source areas in Limburg, ten of which are equipped with hiking and cycling routes. It emphasizes that activities above ground can negatively impact the water quality underground, and that citizen involvement is essential for maintaining clean water. The website describes various water sources in Limburg, such as the Mookerhei, Maasduinen, Breehei, Groote Heide, Maas, Beegderheide, Susteren, Roosteren and Schinveld, each with its own characteristics and contribution to the water supply. | Water Management → Drinking Water 14 | water source 20 water quality 145 water 2501 route 3425 municipality 6837 | Echt-Susteren → Roosteren 30 |
| pfasoplossingen.nl | PFAS Cleaning & Treatment Solutions | PCTS is a recently established collaboration initiative focused on treating and cleaning PFAS contaminants in various media. The network organization of companies aims to be a point of contact for clients facing PFAS-related problems and to share and develop knowledge in the field of PFAS remediation. The website also describes reference projects carried out by the participants and provides insight into the growing societal concern about the negative effects of PFAS on water quality, including the classification of certain PFAS substances as Very Harmful Substances (VHS). | | pfas 48 soil 930 water 2501 cleaning 4567 research 8967 network 11123 | |
| aquative.nl | Aquative | Aquative is a water advice and inspection bureau with expertise in drinking water installations. The company offers a wide range of services, including advice, management, sampling, cleaning, digital management, modifications, and sustainability measures. Aquative focuses on various sectors, including elderly and disabled care, hospitals, retail, hospitality and offices, offering solutions for identifying risks and improving water quality. | | sample 418 research 8967 installation 13742 | |
| mhwaterzaken.nl | MHWaterzaken | The company develops solutions that address practical questions in water treatment. Products include SolarBee, Aeration Plus, and GridBee air powered mixers, as well as Mudtrap for soil management and WaterQi and WaterQi-air for improving water quality. The website provides information about the products and a contact person. | Energy & Sustainability → Sustainable Technology 48 | water quality 145 | |
| aquabiosolutions.nl | Aqua Bio Solutions | The company, led by Ing. Piet Sondervan, offers services such as designing filtration systems, establishing water quality standards, and managing aquarium projects. Aqua Bio Solutions specializes in analyzing and assessing existing and planned water management systems, and offers a second opinion. Furthermore, the company breeds various types of jellyfish and food animals. | Agricultural Technology & Innovation → Aquaculture 20 | filtration system 17 water quality 145 water management 260 aquarium 320 project management 3423 | |
| belp.nl | BELP | The website provides information about the pilot project focusing on the restoration of a meadow along the Muyeveldse Wetering and the removal of peat sludge along the Veendijk, with the BELP negotiating on behalf of the residents with government agencies. The website describes the successful test results of the Cabomba grater, a project that is partially sponsored by BELP and developed by John van het Klooster and Olaf Noorman. The website gives an overview of the status of the peat sludge removal pilot project at the Veendijk and the background of the projects, which lies in the accumulation of peat sludge in the peat area of the Loosdrechtse Plassen. | | pilot project 21 water quality 145 | Wijdemeren → Loosdrecht 678 |
| toolenburgerplas.nl | Toolenburgerplas | The website displays current water and air temperatures, allowing visitors to assess whether it's suitable for swimming. The website offers a table with the water temperature, featuring a bolded row indicating the current temperature. The website reports on the water quality of the Toolenburgerplas, with a warning about poor water quality in Strand Noord and a link to zwemwater.nl for detailed information. | Water Activity → Swimming 1402 | water quality 145 measurement 731 | Haarlemmermeer → Hoofddorp 2739 |
| hybilab.nl | Hybilab | Hybilab specializes in hydrobiological research and offers services such as sampling, analysis, research, advice, inventory and monitoring. The company focuses on various aspects of water quality, including the identification and analysis of phytoplankton, zooplankton, microplastics, blue algae, and diatoms, and monitors swimming water. The website also addresses the impact of pollution on water quality, the risks of blue algae blooms, and the role of algae as ecological indicators. | Science → Biology 437 | microplastics 10 water quality 145 sample 418 research 8967 | South-Holland → Gorinchem 1947 |
| mappingdutchwaters.nl | Suzette Bousema | ‘Mapping Dutch Waters’ is an installation displayed at Ruigoord in Amsterdam, showcasing the impact of human activity on Dutch waters through the analysis of 1500 water samples collected by citizen scientists. The project is supported by several foundations and organizations, including the Mondriaan Fund, Stichting Stokroos, Fentener van Vlissingen Fund, and Stroom Den Haag, and is linked to a larger research project called ‘Dead zones’. The installation highlights the issue of ‘dead zones’ in coastal waters caused by algae blooms fueled by agricultural runoff, and emphasizes the urgent need for improved water quality in the Netherlands, with a goal of meeting EU standards by 2027. | Visual Arts → Installation Art 576 | water quality 145 monitor 1063 research 8967 installation 13742 | North-Holland → Amsterdam 41253 |
| karpervissen.nl | Karpervissen.nl | The website features news reports about fish die-offs in various lakes and waters, including the Bergingsvijver in Oldenzaal, De Put in Rijswijk, and others. It covers articles on carp fishing, ranging from biology and behaviors to techniques and bait & feed, and further provides information on angling and regulations. The website also publishes information about the death of Rod Hutchinson, a renowned English carp angler and author, and the signing of the Green Deal Sportvisserij Loodvrij. | Fishing → Carp Fishing 129 | carp 96 bait 148 technique 2157 water 2501 news 15293 | South-Holland → Rijswijk 2054 |
| compas-h2o.nl | Compas H2O | The company specializes in conducting lead investigations in large projects and can take over the communication of the project. Clients can access project steps and gain insight via an online customer portal. Compas H2O guarantees experience, professionalism and VCA certification, with clear agreements regarding price and execution. | Homeownership & Management → Homeowners Associations 546 | test kit 22 drinking water 71 customer portal 141 vve 748 lead 1195 | |
| vishotel.nl | Vishotel | The ecological condition of surface water in the Netherlands has deteriorated, with only 0.0% of waters in ‘good’ ecological condition, compared to nearly 40% in 2019. Freshwater fish in the Netherlands are under pressure, with approximately 37% threatened by habitat destruction and water pollution. Vishotels are developed and installed in collaboration with ecologists, municipalities, and construction companies to provide fish with a safe place for reproduction and growth, especially in urban waters. | Manufacturing → 3D Printing 565 | reproduction 60 habitat 75 fish 1121 water 2501 | |
| legiotec.nl | Legiotec | Legiotec has been active in the country since 2010 and offers expertise in legionella testing, management, and check valve controls. The website highlights the importance of strict regulations regarding legionella and explains how factors such as poor piping or non-functional check valves can lead to an infection. Legiotec offers a variety of services, including annual check valve inspections, sampling, chemical/thermal cleaning of drinking water systems, and descaling of boilers and showerheads. | | legionella 73 sample 418 cleaning 4567 installation 13742 | |
| waqua.nl | Stichting Internationaal Waterkwaliteitsbeheer | The foundation provides advice, lectures, courses, and stimulates research and citizen participation through nature and environmental education. One of the biggest threats to humans and nature is the deterioration of water quality, caused by pollution with fertilizers, chemicals, and pathogens. The main sources of pollution, particularly fertilizers, lead to eutrophication, resulting in turbid, smelly water and potentially toxic algal blooms. | Sustainability → Ecology & Environment 597 | pollution 23 water quality 145 foundation 6678 | |
| watertesten.nl | KOITRONICS | The website sells various measuring instruments such as pH meters, ORP/Redox meters, EC/TDS/Salt meters and oxygen meters, as well as checkers, monitors and controllers. Test strips are available for drinking water, groundwater, pond water and swimming pool water, as well as test strips for bacteria. In addition, Watertesten.nl offers a selection of reagents, calibration products, electrodes and maintenance materials, including an aquarium outlet with brands such as Tetra, Superfish and Hydor. | | test strips 18 electrode 40 calibration 166 aquarium 320 instrument 1295 | |
| algen-waterkwaliteit-advies.nl | Algen en Waterkwaliteit Advies | Kiesel algae and other algae play an important role in the ecosystem of still waters and the management of these waters is complex, with various parties involved. The management of surface waters focuses on both ecological and chemical quality, and monitoring of groups such as fish, macrofauna, aquatic plants and algae is essential. Eutrophication and climate change are major causes of water quality problems, particularly the explosive growth of blue algae can lead to nuisance. | Sustainability → Ecology & Environment 597 | algae 61 water quality 145 monitor 1063 | |
| bravewater.nl | Brave Water Foundation | The foundation actively works to improve and preserve surface water through direct and indirect efforts. Research and measurements increase knowledge, leading to better decisions to promote water quality. The foundation invests in training volunteers to safely and effectively carry out actions to improve and maintain healthy surface water. It also shares knowledge with other organizations with similar goals. | Municipalities → Governance 1043 | water 2501 knowledge 3528 research 8967 collaboration 16036 training 28133 | Veere → Vrouwenpolder 177 |
| power-flushing-pro.nl | Power Flushing Pro | Since 2003, Power Flushing Pro has offered expertise in the cleaning of heating and cooling water systems, particularly in commercial and industrial environments. The Pro department focuses on achieving optimal system water values, resolving comfort complaints, and reducing energy consumption. The website addresses the causes of corrosion and offers methods to prevent it, including proper installation, limiting draining, and using oxygen-permeable materials. A customized approach is offered with a comprehensive water analysis and optimization of the installation. | Plumbing → Water Softeners 119 | corrosion 49 water quality 145 cleaning 4567 installation 13742 | |
| euglena.nl | Euglena | The bureau offers various analyses, including quantitative and qualitative phytoplankton studies, swimming water analyses, and support for scientific research. Dr. Maria van Herk runs Euglena, an experienced analyst, ecologist, environmental consultant, and teacher. Euglena emphasizes high-quality analyses, current knowledge, and flexibility, and works with other agencies for broader assignments. | Sustainability → Ecology & Environment 597 | analysis 1615 research 8967 training 28133 | |
| svowestland.nl | Stichting Verbetering Oppervlaktewater Westland | The foundation was established in the 1980s by Westland entrepreneurs to improve water quality. A handbook is available for download that details the foundation's activities and operations. Currently, a trial project is underway with Defland, SVOW, and growers around the J.J.J.M. van der Burg mill, aimed at saving water and energy. | Foundations → Environmental Organizations 185 | water quality 145 trial 398 foundation 6678 | South-Holland → Westland 4016 |