Jump to main content
An official website of the United States government.
US EPA
United States Environmental Protection Agency
Search
Search
Main menu
Environmental Topics
Air
Bed Bugs
Chemicals and Toxics
Environmental Information by Location
Greener Living
Health
Land, Waste, and Cleanup
Lead
Mold
Pesticides
Radon
Science
Water
A-Z Topic Index
Laws & Regulations
By Business Sector
By Topic
Compliance
Enforcement
Laws and Executive Orders
Guidance
Regulations
About EPA
Organization Chart
Staff Directory
Planning, Budget and Results
Jobs and Internships
Headquarters Offices
Regional Offices
Labs and Research Centers
Contact Us
Share
Nutrient Pollution Policy and Data
What EPA is Doing to Reduce Nutrient Pollution
Collaborative Approaches to Reducing Excess Nutrients
Overseeing Regulatory Programs
Conducting Outreach
Developing Partnerships
Providing Technical and Programmatic Support to States
Financing Nutrient Reduction Activities
Conducting Research and Development
Collaborative Approaches
Creating a Framework for Market-based Approaches
Nutrient Reduction Case Studies
Collaborating with Stakeholders
Tools to Assist States and Tribes
Toolkit to Assist States Adopting and Implementing Nutrient Criteria
Causal Analysis/Diagnosis Decision Information System (CADDIS)
EPA Center for Exposure Assessment Modeling
Benefits Assessment Tools - Valuing Reductions in Surface Water Nutrient Pollution
Numeric Nutrient Water Quality Criteria
Programmatic Information on Numeric Nutrient Water Quality Criteria
Technical Support for Numeric Nutrient Water Quality Criteria Development
State Progress Toward Developing Numeric Nutrient Water Quality Criteria for Nitrogen and Phosphorus
Nutrient Data
Nutrient Indicators Dataset
National Aquatic Resource Surveys
How's My Waterway (HMW)
SPARROW Mappers
Clean Air Status and Trends Network
Other Nutrient Data Resources
Reports, Research, and Other Resources
Reports
Research
Technical Resources
Learn More about Nutrient Pollution
What You Can Do to Reduce Nutrient Pollution
