Learn the Issues
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Region 7 States Air Quality Monitoring Plans - Missouri
National Ambient Air Quality Standard (NAAQS) - Iowa, Kansas, Missouri, and Nebraska; Annual Monitoring Network Plans, Five-Year Monitoring Network Assessments, and approval documentation. Each year, states are required to submit an annual monitoring netwo
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Method 23 - Dioxins and Furans
CFR Promulgated Test Method 23 Determination of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans From Stationary Sources.
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Lead Designations - New Hampshire State Recommendations and EPA Responses
Lead Designations - 2008 Standards. New Hampshire State Recommendations and EPA Responses, Round 1 and 2
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Lead Designations - Missouri State Recommendations and EPA Responses
Lead Designations - 2008 Standards. Missouri State Recommendations and EPA Responses, Round 1 and 2
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Lead Designations - Rhode Island State Recommendations and EPA Responses
Lead Designations - 2008 Standards. Rhode Island State Recommendations and EPA Responses, Round 1 and 2
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Lead Designations - South Carolina State Recommendations and EPA Responses
Lead Designations - 2008 Standards. South Carolina State Recommendations and EPA Responses, Round 1 and 2
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Nitrogen Dioxide Designations Regulatory Actions
chronological listing of all regulatory actions related to designations for the 2010 nitrogen dioxide air standard.
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Frequent Questions about the Chesapeake Bay TMDL
This page provides answers to frequent questions regarding the Chesapeake Bay TMDL and its development.
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Links and Resources About Food Recovery in Honolulu
Links and resources about the sustainable management of food in Honolulu. EPA’s Food Recovery Hierarchy prioritizes these food waste strategies from most to least preferable.
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Links and Resources about Food Recovery in the San Diego Area
Links and resources about the sustainable management of food in the San Diego Area. EPA’s Food Recovery Hierarchy prioritizes these food waste strategies from most to least preferable.
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October–December 2025 Newsletter
Check out our final newsletter of the year for information on recent removal actions to support cleaner land and water, keeping communities safe from hazardous waste, progress at the Tijuana River watershed and more.
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Central Metal Site Investigation
Information about the Central Metal Site Investigation, Huntington Park, CA. In 2021, EPA intends to test the soil of residential properties near the site to determine whether or not contaminated soil from the site has spread to nearby properties.
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Spray Sprinkler Bodies
Landscape irrigation sprinklers are often installed at sites where the system pressure is higher than what is recommended for the sprinkler nozzle, which can lead to water waste. WaterSense labeled sprinkler bodies help control pressure.
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Clean Water State Revolving Fund Infographic
Infographic of the CWSRF program showing total project funding from 1987 through 2020, number of loans, how the program works, who is eligible for assistance, types of projects funded, and return on federal investment.
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Cleanup Partners
EPA works with a variety of partners and stakeholders to clean up the environment.
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2020 DWSRF Annual Report
This report highlights the past year’s accomplishments and funding of new drinking water infrastructure projects
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How the WaterSense Calculator Works
This page provides background on how the WaterSense calculator that allows users to calculate savings from replacing existing fixtures with WaterSense labeled fixtures works
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Under the RRP Rule, can the required records and documentation be stored electronically rather than as paper copies?
Answer: Yes. The renovation firm is responsible for retaining and making available to EPA all records necessary to demonstrate compliance with the Lead Renovation, Repair, and Painting (RRP) Rule for a period of three years following completion of the renovation. The RRP Rule does not specify the format in which…
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Pool Water Efficiency
To help reduce water waste in swimming pools, EPA has developed a resource to help improve the water efficiency of pools.
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As a floor covering installer I use an undercut saw to remove a small amount of wood at the bottom of baseboards and door casings. How do I calculate the area of the paint that is affected for purposes of the minor repair and maintenance provision?
As a floor covering installer I use an undercut saw to remove a small amount of wood at the bottom of baseboards and door casings. I am only disturbing the paint in the 1/8 inch cut of the blade. How do I calculate the area of the paint that is…