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Nutrient Pollution
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Learn the Basics of Nutrient Pollution
Nutrient pollution is one of America's most widespread, costly and challenging environmental problems.
Learn about the issue, its sources and its effects
Adapting to Climate Change
Warming water, droughts and sea level rise can make harmful algal blooms worse.
Find out how a changing climate might lead to more algae
Make a Difference
Simple actions at home and in the yard can help prevent nutrient pollution.
See what you can do
Learn What EPA is Doing to Reduce Nutrient Pollution
Nutrient Reduction Case Studies
Nutrient Pollution
The Problem
Sources and Solutions
The Effects
Where it Occurs
In Your Home
In Your Yard
In Your Community
In Your Classroom
Collaborative Approaches to Reducing Excess Nutrients
State Progress Toward Developing Numeric Nutrient Criteria
Tools to Assist States and Tribes
Nutrient Data
Reports, Research and Resources
