New wave · Worldwide

New water technology startups, founded 2020 on

The new wave: 32 water technology startups founded in 2020 or later that have raised money in rounds we track, $185M between them, placed in 3 segments.

32startups on the map
3segments
$185Mraised between them
Wastewatermost funded segment

Segment by segment

Wastewater

18 startups · $100M raised

  1. WalnutWalnut is a manufacturing firm that provides wastewater system design and manufacturing services, as well as nutrient recovery surveys.United States$35M
  2. OxyleOxyleI is a developer of a novel technology to degrade hazardous micropollutants from wastewater, such as pesticides, chemicals etc.Switzerland$16M
  3. SeloxiumSeloxium is a University of Oxford spin-out company revolutionising the mining, refining, and recycling sectors by selectively extUnited Kingdom$16M
  4. USA Water HoldingsUSA Water Holdings provides water and wastewater operations, infrastructure development, and maintenance services.United States$10M
  5. cimicoCimico is a biotechnology startup based in San Sebastián, Spain, founded in 2019.Spain$7.9M
  6. RLcoreRLCore is a deep-tech AI company based in Edmonton, Canada, specializing in industrial automation with a focus on water and wastewCanada$5.0M
  7. Green Steel EnvironmentalGreen Steel Environmental is a wastewater treatment company located in Boulder, Colorado.United States$1.7M
  8. NPHarvestNPHarvest is a company with expertise in organic waste management, wastewater treatment, and nutrient recovery.Finland$1.4M

Treatment and purification

11 startups · $58M raised

  1. MaverickXMaverickX is a chemical technology company focused on developing advanced chemistries for natural resource extraction in the oil &United States$19M
  2. blue activityBlue Activity GmbH is a CleanTech startup based in Heidelberg, Germany, founded in 2019.Germany$9.8M
  3. Jolt ElectrodesJOLT is supplying next-generation activated electrodes & protective coating solutions for hydrogen & water treatment electrolysisSpain$6.5M
  4. Watercycle TechnologiesWatercycle Technologies specialized in the development of high-yield, low-cost mineral extraction, and water treatment systems.United Kingdom$5.6M
  5. Salinity SolutionsSalinity Solutions is an engineering technology startup based in Birmingham, UK, focused on innovative clean-tech solutions for thUnited Kingdom$5.1M
  6. KMX TechnologiesKMX Technologies provides membrane distillation technology to separate and recover valuable chemicals and water treatment.Canada$3.0M
  7. AnodineAnodine is a French deep-tech startup based in Grenoble, founded in 2024.France$2.9M
  8. PorelioPorelio is a Berlin-based deeptech startup specializing in advanced materials for industrial separation, purification, and water treatment.Germany$2.7M

Desalination

3 startups · $26M raised

  1. FloceanFLOCEAN is a Norwegian clean-tech startup based in Oslo, founded in 2024.Norway$23M
  2. MediSun EnergyMediSun Energy is a Singapore-based company that specializes in integrated brine management and clean-energy technology.Singapore$3.2M
  3. ChloBis WaterChloBis Water provides a desalination battery for waste water treatment.United States$256K

How this map is made. Every startup here has raised money in rounds we track, and was founded in 2020 or later. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in water technology, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

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