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Nutrient Pollution Policy and Data

What EPA is Doing to Reduce Nutrient Pollution

The EPA flag flying in front of the Ariel Rios Building in Washington, D.C..


Numeric Nutrient Water Quality Criteria

Progress Toward Clean Water Act Adopted Numeric Nutrient Criteria Map

Tools to Assist States and Tribes

screen shot from the Nitrogen and Phosphorus Data Access Tool.


Nutrient Data

Glass beaker and other measuring instruments falling into clear water.

Reports, Research, and Resources on Nutrient Pollution

Tops of many glass tubes with glass dropper above them.

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