U.S. Stockholm Junior Water Prize

2024 State Winners

The U.S. Stockholm Junior Water Prize (SJWP) was founded in 1997 by the Stockholm International Water Institute (SIWI) to complement the Stockholm Water Prize. The SJWP is the world's most prestigious award presented to a high school student for a water-research project.US-SJWP logo

Since the prize's inception, WEF has conducted the U.S. SJWP to send a national winner to the international competition.

The competition is open to all high school students in grades 9-12 who have reached the age of 15 by August 1 of the competition year, and have conducted a water-science research project.

Naomi Park - 2023 U.S. & International Winner 2023 U.S. SJWP STATE WINNERS Donate to the U.S. SJWP  Get Alerts and Updates



Park Wins International Stockholm Junior Water Prize

Naomi Park, the U.S. representative at the Stockholm Junior Water Prize (SJWP) competition in Sweden, has been named the winner of this international student ...

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Words On Water Podcast
Words on Water #244: A New Grant Program Levels The Playing Field At This Year’s U.S. Stockholm Junior Water Prize Competition

🎧 In this podcast, National SJWP Judge Carol Martinson discusses the new HACH Water Equipment Grant Program that piloted in Fall of 2023. This program aims to ...

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Press Release
U.S. Student Wins International Water Research Competition

Eshani Jha of San Jose, Calif. was selected as the winner of the 2021 Stockholm Junior Water Prize, a prestigious international competition for students to present ...

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Dr. Andrea Rinaldo Wins Stockholm Water Prize

Andrea Rinaldo, École Polytechnique Fédérale de Lausanne, University of Padova, 2023 Stockholm Water Prize Laureate, SWP

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Water Environment Federation Congratulates 2022 Stockholm Water Prize Winner

As a founding partner of the Stockholm Water Prize, the Water Environment Federation (WEF) congratulates 2022 winner Wilfried Brutsaert, who was selected for his ...

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Learn More About SJWP

Regional competitions are held each winter in advance of state competitions in the spring. State winners are sent to the in-person national competition in June. The U.S. SJWP winner receives a cash prize of $10,000, a crystal trophy, and represents the U.S. at the international competition each August at held at World Water Week in Sweden.

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This competition is open to all high school students in grades 9 through 12 who have conducted water-related research science projects and have reached the age of 15 by August of the competition year. Teams of two may submit research and any student may self-nominate for their state competition.

See all Eligibility Criteria

US SJWP is supported by:

Canadian SJWP is supported by:

Watch the 2020 International SJWP Ceremony

HRH Crown Princess Victoria of Sweden presented the team from Japan with the award. The 2020 international winners are Hiroki Matsuhashi and Takuma Miyaki.

More About the International Competition

Meet the 2019 SJWP Finalists

Year by year the number of country competitons and contestants increases. Young global citizens determined to be global changemakers.

See Highlights from the 2017 SJWP Competiton

H.R.H. Crown Princess Victoria of Sweden, the Patron of the Prize, awarded Ryan Thorpe and Rachel Chang from the U.S. They emerged top out of 33 competing countries.

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