Learn the Issues
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Shielding Pages for External Review
External reviewers can see content before it is accessible to the public.
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About the San Francisco Bay Delta Watershed
The San Francisco Bay Delta Watershed consists of several major waterways, including the Sacramento and San Joaquin Rivers and their tributaries
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What Are the Challenges?
Challenges facing the San Francisco Bay Delta Watershed, including population growth, increasing water demand, water exports, loss of habitat, climate change, and water pollution.
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Changes over Time
enviroatlas data
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EPA Use of Voluntary Consensus Standards and Other Private Sector Standards
EPA uses VCS and other private sector standards in regulation, procurement, voluntary programs, research, policies and other activities. As of 2015, EPA’s regulations contained over 4500 references to VCS and other private sector standards.
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ENERGY STAR
Summary of Energy Star Developments over the Years
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Webinars
WaterSense has developed a number of webinars that address different sectors and uses of water indoors and outdoors. Register for upcoming webinars and review past sessions, many of which are available as recordings.
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Small Drinking Water Systems Webinar Series
Schedule for EPA's Office of Research and Development and Office of Water's monthly webinar series: challenges and treatment solutions for small drinking water systems. Certificates of attendance offered for each webinar.
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San Joaquin Valley
Information on California's San Joaquin Valley including: EPA's protection efforts, community activities, improving air and water quality, restoring land, funding sources, EPA-sponsored projects, and partner agencies.
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EPA in Vermont
Portal for news and information about EPA's efforts in Vermont and VT environmental conditions.
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EPA in Rhode Island
Portal for news and information about EPA's efforts in Rhode Island and RI environmental conditions.
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EPA in Massachusetts
Portal for news and information about EPA's efforts in Massachusetts.
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EPA in Maine
Portal for news and information about EPA's efforts in Maine.
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EPA in Connecticut
Portal for news and information about EPA's efforts in Connecticut and CT environmental conditions.
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Premanufacture Notices (PMNs) and Significant New Use Notices (SNUNs) Table
This table is a list of PMNs and SNUNs submitted to the EPA.
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EPA General Terms and Conditions Effective October 1, 2021 or later
The recipient and any subrecipient must comply with the applicable EPA general terms and conditions outlined below. These terms and conditions are in addition to the assurances and certifications made as part of the award and terms, conditions, and restric
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EPA's National Security Roles and Responsibilities
Overview of EPA's national security roles and responsibilities.
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Frequent Questions: Drinking Water Testing
View frequently asked questions about the RadNet drinking water testing.
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Frequent Questions: Air Filter Testing
View frequently asked questions about the RadNet air filter testing.
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Frequent Questions: RadNet Monitoring Network
View frequently asked questions about the RadNet monitoring network by topic.