Learn the Issues
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National Lakes Assessment 2007 Results
The National Lakes Assessment samples over 1,000 lakes, ponds and reservoirs across the country. Key findings from this assessment in 2007 include the biological condition and most widespread stressors of these waterbodies.
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Indicators: Dissolved Oxygen
Dissolved oxygen (DO) is the amount of oxygen that is present in water. It is an important measure of water quality as it indicates a water body's ability to support aquatic life. Water bodies receive oxygen from the atmosphere and from aquatic plants.
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Indicators: Acidification
Acidification is a broad term that refers to the process by which aquatic ecosystems become more acidic. Acid rain and acid mine drainage are major sources of acidifying compounds, lowering the pH below the range where most living organisms function.
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National Rivers and Streams Assessment
The NRSA is a collaborative, statistical survey of the nation's rivers and streams. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.
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Memorandum of Understanding Between the Environmental Protection Agency and the Department of Homeland Security
Memorandum of Understanding Between the Environmental Protection Agency and the Department of Homeland Security
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Clean Water State Revolving Fund (CWSRF): Decentralized Wastewater Treatment
Decentralized wastewater treatment is an onsite or clustered system used to collect, treat, and disperse or reclaim wastewater from a small community or service area (e.g., septic systems, cluster systems, lagoons).
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About the Clean Water State Revolving Fund (CWSRF)
The Clean Water State Revolving Fund provides financial assistance for a range of water infrastructure projects. Learn how it works, project eligibility, and types of financial assistance it can provide for water quality projects.
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Water Resources Reform and Development Act (WRRDA) Guidance for the Clean Water State Revolving Fund (CWSRF)
EPA guidance for implementing Water Resources Reform and Development Act (WRRDA) requirements that apply to the Clean Water State Revolving Fund (CWSRF).
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Summary of United States Mercury Emissions for Annex D Source Categories - year 2002-2022
This file contains the Summary of United States Mercury Emissions for Annex D Source Categories for the year 2018 as part of reporting under Article 8 of the Minamata Convention on Mercury.
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Nondiscrimination in Programs or Activities Receiving Federal Assistance from the Environmental Protection Agency
Nondiscrimination in Programs or Activities Receiving Federal Assistance from the Environmental Protection Agency
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Hazardous Waste Cleanup: RACER Van Buren Township Landfill, Van Buren Township, MI
RCRA Corrective Action Site, RACER Van Buren Township Landfill, Van Buren Township, MI
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Emergency Response
Information for first responders, industry, federal, state and local governments on EPA's role and available resources for response to oil spills, chemical, biological, radiological releases, and large-scale national emergencies.
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Hazardous Waste Cleanup: Exide Technologies, Frankfort, Indiana
RCRA Corrective Action Site, Exide Technologies, Frankfort, Indiana
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Convert Active System to Passive System with Vent Flares
Option for landfill gas electricity project owners with expiring power purchase agreements that are interested in passively venting landfill gas after the project ends.
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Switch to Renewable Natural Gas
Option for landfill gas electricity project owners with expiring power purchase agreements that are interested in a renewable natural gas project.
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Resources for Funding Landfill Gas Energy Projects
LMOP provides information about the federal incentives most commonly used in landfill gas energy project development and a link to the Database of State Incentives for Renewables & Efficiency (DSIRE).
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Partners Recognized for Landfill Gas Energy Achievements
This page contains information about select LMOP Partner contributions to landfill gas energy project development for multiple years.
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List of Resources Related to Landfill Gas and Waste Management
Find EPA and other resources to assist with the development of landfill gas energy projects, as well as other items related to landfills and organic waste.
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State Funding Resources for Landfill Gas Energy Projects
LMOP provides basic information about state funding resources including links to the Database of State Incentives for Renewables & Efficiency (DSIRE).
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Webinar: Innovative and Emerging Landfill Gas Energy Project Types
LMOP webinar on September 14, 2021 about the use of landfill gas for producing hydrogen, methanol and ethanol.