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Explore ROE Indicators

The 80+ ROE indicators help answer 23 questions in five theme areas critical to EPA's mission. Use the indicator table below to learn about and navigate to any ROE indicator. You can filter the list by theme or topic area using the checkboxes, search for an indicator by name, or sort and browse the indicators by clicking the arrows in the top row of the table.

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Indicator Years of data Theme area(s) (in bold) and associated topics Last update
Acid Deposition 1989 - 2016 Air: Outdoor Air Quality
 08/2019
Acidity in Lakes and Streams 1991 - 2016 Water: Fresh Surface Waters
Air: Outdoor Air Quality
Ecological Condition: Physical and Chemical Attributes
 08/2018
Agricultural Fertilizer 1960 - 2018 Land: Chemicals Used on Land
 08/2020
Air Toxics Concentrations 2003 - 2013 Air: Outdoor Air Quality
 07/2015
Air Toxics Emissions 1990 - 2014 Air: Outdoor Air Quality
 08/2019
Asthma 1980 - 2018 Human Exposure and Health: Disease and Conditions
 04/2021
Benthic Macroinvertebrates in Wadeable Streams 2000 - 2009 Water: Fresh Surface Waters
Ecological Condition: Diversity and Biological Balance
 01/2014
Bird Populations 1966 - 2015 Ecological Condition: Diversity and Biological Balance
 06/2017
Birth Defects 1999 - 2018 Human Exposure and Health: Disease and Conditions
 05/2021
Blood Cadmium 1999 - 2016 Human Exposure and Health: Exposure to Environmental Contaminants
 08/2018
Blood Lead 1999 - 2016 Human Exposure and Health: Exposure to Environmental Contaminants
 08/2018
Blood Mercury 1999 - 2016 Human Exposure and Health: Exposure to Environmental Contaminants
 08/2018
Cancer 1973 - 2017 Human Exposure and Health: Disease and Conditions
 09/2021
Carbon Monoxide Concentrations 1980 - 2016 Air: Outdoor Air Quality
 08/2018
Carbon Monoxide Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Carbon Storage in Forests 1990 - 2016 Ecological Condition: Ecological Processes
 09/2018
Cardiovascular Disease 1979 - 2018 Human Exposure and Health: Disease and Conditions
 02/2021
Childhood Cancer 1973 - 2017 Human Exposure and Health: Disease and Conditions
 09/2021
Chronic Obstructive Pulmonary Disease 1979 - 2018 Human Exposure and Health: Disease and Conditions
 05/2021
Coastal Benthic Communities 1999 - 2006 Ecological Condition: Diversity and Biological Balance
Water: Coastal Waters
 09/2012
Coastal Fish Tissue 2003 - 2006 Water: Coastal Waters
Ecological Condition: Ecological Exposure to Contaminants
Water: Consumable Fish and Shellfish
 09/2012
Coastal Sediment Quality 1999 - 2006 Water: Coastal Waters
 09/2012
Contaminated Ground Water Migration at Cleanup Sites 2000 - 2020 Land: Contaminated Land
 09/2021
Cyanobacteria in Lakes 2008 - 2021 Water: Fresh Surface Waters
Ecological Condition: Diversity and Biological Balance
Water: Recreational Waters
 08/2022
Drinking Water 1993 - 2021 Water: Drinking Water
 10/2022
Ecological Connectivity 2001 Ecological Condition: Extent and Distribution
 07/2015
Energy Use 1949 - 2017 Air: Outdoor Air Quality
Air: Greenhouse Gases
 09/2018
Fish Faunal Intactness Historical - 2014 Ecological Condition: Diversity and Biological Balance
 07/2015
Forest Extent and Type 1907 - 2017 Ecological Condition: Extent and Distribution
Land: Land Cover
 02/2021
Forest Fragmentation 2001 - 2011 Ecological Condition: Extent and Distribution
 07/2015
Freshwater Withdrawals 1950 - 2010 Water: Fresh Surface Waters
Water: Ground Water
 07/2015
General Mortality 1940 - 2017 Human Exposure and Health: Health Status
 05/2021
Greenhouse Gas Concentrations 800,000 BCE - 2019 CE Air: Greenhouse Gases
 09/2021
Hazardous Waste 2001 - 2019 Land: Wastes
 10/2022
Human Exposures at Cleanup Sites 2000 - 2020 Land: Contaminated Land
 09/2021
Hypoxia in Gulf of Mexico and Long Island Sound 1985 - 2018 Water: Coastal Waters
Ecological Condition: Physical and Chemical Attributes
 03/2020
Infant Mortality 1940 - 2017 Human Exposure and Health: Health Status
 05/2021
Infectious Diseases 1995 - 2017 Human Exposure and Health: Disease and Conditions
 08/2020
Lake Fish Tissue 2000 - 2003 Ecological Condition: Ecological Exposure to Contaminants
Water: Consumable Fish and Shellfish
 09/2012
Land Cover 2001 - 2011 Ecological Condition: Extent and Distribution
Land: Land Cover
 07/2015
Land Use 1977 - 2012 Ecological Condition: Extent and Distribution
Land: Land Use
 08/2019
Lead Concentrations 1980 - 2016 Air: Outdoor Air Quality
 08/2018
Lead Emissions 1970 - 2014 Air: Outdoor Air Quality
 05/2019
Life Expectancy 1940 - 2017 Human Exposure and Health: Health Status
 05/2021
Low Birthweight 1995 - 2017 Human Exposure and Health: Disease and Conditions
 08/2020
Manganese Concentrations in Region 5 2000 - 2016 Air: Outdoor Air Quality
 08/2018
Mercury Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Municipal Solid Waste 1960 - 2018 Land: Wastes
 10/2022
Nitrate and Pesticides in Ground Water 1992 - 2003 Water: Ground Water
 05/2008
Nitrogen Dioxide Concentrations 1978 - 2016 Air: Outdoor Air Quality
 08/2018
Nitrogen Oxides Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Nitrogen and Phosphorus in Agricultural Streams 1992 - 2001 Water: Fresh Surface Waters
Ecological Condition: Physical and Chemical Attributes
 05/2008
Nitrogen and Phosphorus in Large Rivers 1955 - 2019 Water: Fresh Surface Waters
Ecological Condition: Physical and Chemical Attributes
 10/2022
Nitrogen and Phosphorus in Wadeable Streams 2000 - 2009 Water: Fresh Surface Waters
Ecological Condition: Physical and Chemical Attributes
 01/2014
Non-Indigenous Estuarine Species in Pacific Northwest 1999 - 2001 Ecological Condition: Diversity and Biological Balance
 05/2008
Ozone Concentrations 1978 - 2016 Air: Outdoor Air Quality
 08/2018
Ozone-Depleting Substances Concentrations 1992 - 2019 Air: Outdoor Air Quality
 09/2021
Particulate Matter Concentrations 1988 - 2016 Air: Outdoor Air Quality
 08/2018
Particulate Matter Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Pesticide Exposure in Food 1995 - 2020 Human Exposure and Health: Exposure to Environmental Contaminants
Land: Chemicals Used on Land
 08/2022
Pesticide Incidents 1998 - 2020 Land: Chemicals Used on Land
 10/2022
Pesticide Residues in Food 1994 - 2019 Land: Chemicals Used on Land
 09/2021
Pesticides in Agricultural Streams 1992 - 2001 Water: Fresh Surface Waters
 05/2008
Preterm Delivery 1995 - 2017 Human Exposure and Health: Disease and Conditions
 08/2020
Radon: Homes At or Above EPA's Action Level 1990 - 2013 Air: Indoor Air Quality
 07/2015
Regional Haze 1992 - 2015 Air: Outdoor Air Quality
 08/2018
Sea Level 1880 - 2020 Air: Greenhouse Gases
Ecological Condition: Physical and Chemical Attributes
 09/2021
Sea Surface Temperature 1880 - 2020 Air: Greenhouse Gases
Ecological Condition: Physical and Chemical Attributes
 09/2021
Serum Cotinine 1988 - 2016 Human Exposure and Health: Exposure to Environmental Contaminants
Air: Indoor Air Quality
 08/2020
Serum Persistent Organic Pollutants 1999 - 2004 Human Exposure and Health: Exposure to Environmental Contaminants
 12/2012
Stratospheric Ozone Levels 1964 - 2016 Air: Outdoor Air Quality
 08/2018
Stream Flows 1961 - 2019 Water: Fresh Surface Waters
Ecological Condition: Physical and Chemical Attributes
 02/2021
Streambed Stability 2008 - 2009 Water: Fresh Surface Waters
Ecological Condition: Physical and Chemical Attributes
 01/2014
Submerged Aquatic Vegetation in Chesapeake Bay 1978 - 2020 Ecological Condition: Diversity and Biological Balance
Water: Coastal Waters
 10/2022
Sulfur Dioxide Concentrations 1978 - 2016 Air: Outdoor Air Quality
 08/2018
Sulfur Dioxide Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Temperature and Precipitation 1901 - 2020 Air: Greenhouse Gases
Ecological Condition: Physical and Chemical Attributes
 09/2021
Toxic Chemicals in Wastes 2003 - 2020 Land: Wastes
 10/2022
Trophic State of Coastal Waters 1999 - 2006 Water: Coastal Waters
 09/2012
U.S. Greenhouse Gas Emissions 1990 - 2019 Air: Greenhouse Gases
 09/2021
Urbanization and Population Change 1790 - 2017 Ecological Condition: Extent and Distribution
Land: Land Use
 10/2022
Urinary Pesticides 1999 - 2008 Human Exposure and Health: Exposure to Environmental Contaminants
 07/2015
Urinary Phthalates 1999 - 2016 Human Exposure and Health: Exposure to Environmental Contaminants
 08/2019
Volatile Organic Compounds Emissions 1990 - 2014 Air: Outdoor Air Quality
 05/2019
Wetlands 1954 - 2009 Ecological Condition: Extent and Distribution
Water: Wetlands
Water: Coastal Waters
 07/2013

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