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26 Resources for
Insights

World’s 18 Most Water-Stressed Rivers

  • Aqueduct
  • mapping
  • rivers
  • Freshwater
  • water risk
Glen Canyon Dam in the Colorado River Basin. Photo credit: James Marvin Phelps
  • Aqueduct
  • mapping
  • rivers
  • Freshwater
  • water risk

A New Strategy to Improve Water Quality—One Targeted Watershed at a Time

  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
More than 15,000 streams, rivers, and lakes are too polluted with nutrient runoff to support wildlife, be enjoyed recreationally, or serve as a drinking water source. Photo credit: USDA
  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
Data

Aqueduct Country and River Basin Rankings [Datasets]

  • Business
  • Freshwater
  • water risk
  • rivers
  • data
  • Business
  • Freshwater
  • water risk
  • rivers
  • data
Data

Aqueduct Country and River Basin Rankings [Map]

  • Business
  • Freshwater
  • water risk
  • rivers
  • mapping
  • Business
  • Freshwater
  • water risk
  • rivers
  • mapping
Initiatives
This website serves as an information portal about eutrophication—the over-enrichment of water by nutrients such as nitrogen and phosphorus—a leading threat to water quality around the world. Explore our interactive map and learn more.

Can Nutrient Trading Shrink the Gulf of Mexico's Dead Zone?

  • water pollution
  • hypoxia
  • Freshwater
Dead fish resulting from toxins or oxygen depletion in Lake Binder, Iowa. Photo credit: Dr. Jennifer L. Graham, U.S. Geological Survey
  • water pollution
  • hypoxia
  • Freshwater

Yellow River Basin Study

  • rivers
  • Aqueduct
  • rivers
  • Aqueduct

Colorado River Basin Study

  • rivers
  • Freshwater
  • Aqueduct
  • rivers
  • Freshwater
  • Aqueduct
Data

Coastal Eutrophic and Hypoxic Areas of Africa

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Data

Coastal Eutrophic and Hypoxic Areas of Asia

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Data

Coastal Eutrophic and Hypoxic Areas of Australia and Oceania

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Silhouettes of children playing swing in turbine wind park at sunset