Vulnerable Watersheds

"please list the 25 most vulnerable watersheds by number of people effected in a table use the intensity of threat as a metric as well as listing type of contamination , best known remedy and cost"

Please note that these numbers and descriptions are approximate, and the actual number of people affected, cost, and implementation of these remedies may vary greatly depending on the specific circumstances in each watershed. Additionally, there may be other factors and potential solutions not listed here.

## Ganges River Basin, India
Threat: High
Contamination: Untreated sewage, industrial waste, agricultural runoff
Remedy: Improved wastewater treatment infrastructure, pollution regulation enforcement
Cost: Billions of dollars

## Yangtze River Basin, China
Threat: High
Contamination: Industrial pollution, agricultural runoff, untreated sewage
Remedy: Improved wastewater treatment, regulation enforcement, sustainable agriculture practices
Cost: Billions of dollars

## Indus River Basin, Pakistan
Threat: High
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars

## Mekong River Basin, Southeast Asia
Threat: High
Contamination: Agricultural runoff, industrial waste, hydropower dams
Remedy: Sustainable agriculture, pollution regulation, integrated water resource management
Cost: Billions of dollars

## Nile River Basin, Africa
Threat: High
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars

## Ganges River Basin, India
Threat: High
Contamination: Untreated sewage, industrial waste, agricultural runoff
Remedy: Improved wastewater treatment infrastructure, pollution regulation enforcement
Cost: Billions of dollars
People affected: 400+ million

## Yangtze River Basin, China
Threat: High
Contamination: Industrial pollution, agricultural runoff, untreated sewage
Remedy: Improved wastewater treatment, regulation enforcement, sustainable agriculture practices
Cost: Billions of dollars
People affected: 400+ million

## Indus River Basin, Pakistan
Threat: High
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 200+ million

## Mekong River Basin, Southeast Asia
Threat: High
Contamination: Agricultural runoff, industrial waste, hydropower dams
Remedy: Sustainable agriculture, pollution regulation, integrated water resource management
Cost: Billions of dollars
People affected: 70+ million

## Nile River Basin, Africa
Threat: High
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 200+ million

## Amu Darya River Basin, Central Asia
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, radioactive waste
Remedy: Sustainable agriculture, improved wastewater treatment, pollution control
Cost: Millions to billions of dollars
People affected: 10+ million


## Tigris-Euphrates River Basin, Middle East
Threat: High
Contamination: Agricultural runoff, untreated sewage, industrial pollution, conflict-related damages
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices, cooperation among riparian countries
Cost: Billions of dollars
People affected: 50+ million

## Brahmaputra River Basin, South Asia
Threat: High
Contamination: Agricultural runoff, industrial waste, untreated sewage, sedimentation
Remedy: Improved wastewater treatment, sustainable agriculture, riverbank erosion control, transboundary cooperation
Cost: Billions of dollars
People affected: 130+ million

## Pearl River Basin, China
Threat: High
Contamination: Industrial pollution, agricultural runoff, untreated sewage
Remedy: Improved wastewater treatment, pollution regulation enforcement, sustainable agriculture practices
Cost: Billions of dollars
People affected: 100+ million

## Parana River Basin, South America
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, industrial pollution
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, pollution control
Cost: Billions of dollars
People affected: 30+ million

## Danube River Basin, Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 80+ million


## Sao Francisco River Basin, Brazil
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, industrial pollution
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, pollution control
Cost: Billions of dollars
People affected: 15+ million

## Cauca-Magdalena River Basin, Colombia
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, untreated sewage, illegal mining
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices, regulation enforcement
Cost: Billions of dollars
People affected: 30+ million

## Orange River Basin, Southern Africa
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution, mining activities
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 20+ million

## Lake Chad Basin, Africa
Threat: High
Contamination: Agricultural runoff, over-extraction, climate change impacts
Remedy: Sustainable agriculture, integrated water resource management, climate change adaptation
Cost: Billions of dollars
People affected: 30+ million

## Murray-Darling River Basin, Australia
Threat: Moderate
Contamination: Agricultural runoff, over-extraction, climate change impacts
Remedy: Sustainable agriculture, water use efficiency, climate change adaptation
Cost: Billions of dollars
People affected: 3+ million

## Colorado River Basin, USA and Mexico
Threat: Moderate
Contamination: Agricultural runoff, over-extraction, climate change impacts
Remedy: Sustainable agriculture, water use efficiency, climate change adaptation
Cost: Billions of dollars
People affected: 40+ million

## Rhine River Basin, Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 50+ million

## Tana River Basin, Kenya
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, climate change impacts
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, climate change adaptation
Cost: Billions of dollars
People affected: 5+ million

## Pasig River Basin, Philippines
Threat: High
Contamination: Untreated sewage, industrial waste, solid waste, urban runoff
Remedy: Improved wastewater treatment, solid waste management, pollution control
Cost: Billions of dollars
People affected: 25+ million

## Tamsui River Basin, Taiwan
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, untreated sewage
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 7+ million

## Po River Basin, Italy
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 16+ million

## Limpopo River Basin, Southern Africa
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, mining activities
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, pollution control
Cost: Billions of dollars
People affected: 15+ million

## Ebro River Basin, Spain
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 3+ million

## Athabasca River Basin, Canada
Threat: Moderate
Contamination: Oil sands extraction, agricultural runoff, industrial pollution
Remedy: Improved environmental regulations, sustainable resource extraction, pollution control
Cost: Billions of dollars
People affected: 1+ million

## Jordan River Basin, Middle East
Threat: High
Contamination: Over-extraction, untreated sewage, agricultural runoff, conflict-related damages
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices, cooperation among riparian countries
Cost: Billions of dollars
People affected: 10+ million

## La Plata River Basin, South America
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, industrial pollution
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, pollution control
Cost: Billions of dollars
People affected: 100+ million

## Susquehanna River Basin, USA
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 4+ million

## Volga River Basin, Russia
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 50+ million

## Okavango River Basin, Southern Africa
Threat: Moderate
Contamination: Agricultural runoff, deforestation, mining activities
Remedy: Sustainable agriculture, reforestation, pollution control, integrated water resource management
Cost: Billions of dollars
People affected: 1+ million

## Salween River Basin, Southeast Asia
Threat: Moderate
Contamination: Agricultural runoff, deforestation, hydropower dams
Remedy: Sustainable agriculture, reforestation, integrated water resource management
Cost: Billions of dollars
People affected: 10+ million

## Dniester River Basin, Eastern Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 10+ million

## Oder River Basin, Central Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 8+ million

## Tarim River Basin, China
Threat: Moderate
Contamination: Agricultural runoff, over-extraction, industrial pollution
Remedy: Sustainable agriculture, water use efficiency, pollution control
Cost: Billions of dollars
People affected: 10+ million

## Syr Darya River Basin, Central Asia
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, radioactive waste
Remedy: Sustainable agriculture, improved wastewater treatment, pollution control
Cost: Millions to billions of dollars
People affected: 20+ million

## Drava and Mura River Basin, Central Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 4+ million

## Pechora River Basin, Russia
Threat: Moderate
Contamination: Industrial pollution, oil spills, mining activities
Remedy: Improved environmental regulations, sustainable resource extraction, pollution control
Cost: Billions of dollars
People affected: 1+ million

## Senegal River Basin, West Africa
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, climate change impacts
Remedy: Sustainable agriculture, improved wastewater treatment, climate change adaptation
Cost: Billions of dollars
People affected: 5+ million

## Save River Basin, Southern Africa
Threat: Moderate
Contamination: Agricultural runoff, deforestation, untreated sewage, mining activities
Remedy: Sustainable agriculture, reforestation, improved wastewater treatment, pollution control
Cost: Billions of dollars
People affected: 5+ million

## Helmand River Basin, Afghanistan
Threat: High
Contamination: Agricultural runoff, over-extraction, conflict-related damages
Remedy: Sustainable agriculture, water use efficiency, conflict resolution, cooperation among riparian countries
Cost: Billions of dollars
People affected: 1+ million

## Sava River Basin, Southeast Europe
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 8+ million

## Ural River Basin, Russia and Kazakhstan
Threat: Moderate
Contamination: Industrial pollution, agricultural runoff, radioactive waste
Remedy: Improved environmental regulations, sustainable agriculture, pollution control
Cost: Billions of dollars
People affected: 5+ million

## Nelson River Basin, Canada
Threat: Moderate
Contamination: Hydropower development, agricultural runoff, industrial pollution
Remedy: Sustainable resource management, pollution control, integrated water resource management
Cost: Billions of dollars
People affected: 1+ million

## Júcar River Basin, Spain
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 2+ million

## Amu Darya River Basin, Central Asia
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, over-extraction
Remedy: Sustainable agriculture, improved wastewater treatment, pollution control
Cost: Millions to billions of dollars
People affected: 30+ million

## Narmada River Basin, India
Threat: Moderate
Contamination: Agricultural runoff, untreated sewage, industrial pollution
Remedy: Improved wastewater treatment, pollution control, sustainable agriculture practices
Cost: Billions of dollars
People affected: 30+ million

## Mississippi River Basin, USA
Threat: High
Contamination: Agricultural runoff, industrial pollution, urbanization, oil spills
Remedy: Sustainable agriculture practices, pollution control, green infrastructure, wetland restoration
Cost: Billions of dollars
People affected: 30+ million

## Rio Grande/Bravo River Basin, USA and Mexico
Threat: High
Contamination: Agricultural runoff, over-extraction, untreated sewage, industrial pollution
Remedy: Sustainable water management, improved wastewater treatment, pollution control, cooperation among riparian countries
Cost: Billions of dollars
People affected: 13+ million

## Amur River Basin, Russia, China, Mongolia
Threat: Moderate
Contamination: Agricultural runoff, industrial pollution, oil spills
Remedy: Improved environmental regulations, sustainable agriculture, pollution control
Cost: Billions of dollars
People affected: 6+ million

## Mekong River Basin, Southeast Asia
Threat: High
Contamination: Agricultural runoff, hydropower development, industrial pollution, climate change impacts
Remedy: Sustainable agriculture, integrated water resource management, renewable energy, climate change adaptation
Cost: Billions of dollars
People affected: 60+ million

## Murray-Darling Basin, Australia
Threat: High
Contamination: Agricultural runoff, over-extraction, climate change impacts
Remedy: Sustainable agriculture practices, water use efficiency, climate change adaptation, integrated water resource management
Cost: Billions of dollars
People affected: 3+ million