Learn the Issues
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2015 AOC Investigation and Remediation: Groundwater Flow Patterns
Information and documents related to Red Hill Bulk Fuel Storage AOC SOW 7.1 and 7.2: Groundwater Flow and Fate and Transport Modeling.
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2015 Administrative Order on Consent
In response to the January 2014 fuel release from the Red Hill facility, EPA and Hawai'i Department of Health negotiated the 2015 Administrative Order on Consent with the U.S. Navy and the Defense Logistics Agency requiring actions to address.
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Inspections and Enforcement
Information about Red Hill's Spill Prevention and Underground Storage Inspections, Drinking Water System Compliance, and AFFF Release Investigation.
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Red Hill Groundwater Results Application
This application combines multiple historical and current data sets that the Navy has made available online to provide you with a simple way to view up-to date information about groundwater quality around the Red Hill Bulk Fuel Storage Facility in Hawaiʻi.
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SO2 Data Requirements Rule: January 13, 2017 State Submittals
Documents submitted by states to meet the January 13, 2017 DRR submittal requirements
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Water Infrastructure Repair and Recovery
The 2023 wildfires impacted drinking and wastewater systems on Maui. EPA is supporting recovery efforts led by the County of Maui and Hawaii Department of Health (DOH) focused on stabilizing wastewater and drinking water utilities in Maui.
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About the California Clean Air Technology Initiative (CATI)
About the California Clean Air Technology Initiative: Aims, Members, History, and Objectives.
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About Lake Tahoe
Information on the Lake Tahoe watershed, EPA's protection efforts, water quality issues, effects of climate change, Lake Tahoe Total Maximum Daily Load (TMDL), EPA-sponsored projects, list of partner agencies.
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San Francisco Bay Delta Action Plan
EPA published the San Francisco Bay Delta Action Plan highlighting priority activities to work on in partnership with California water quality agencies.
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Technical Support and Regulatory Assistance
EPA provides technical support and regulatory assistance for priority activities designed to address water quality and aquatic life protection in the San Francisco Bay Delta.
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Managing Stressors
This webpage covers information on stressors that drive coastal wetland loss and details strategies and tools for managing those stressors.
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EPA’s Role in Protecting the San Francisco Bay Delta Watershed
A description of EPA's oversight role in California, and some review and approval of California’s water quality programs and policies.
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Feather and Sacramento Rivers Watersheds
Summary of efforts to restore the impaired watersheds of the Sacramento and Feather rivers.
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Community Successes
Stories of SF Bay delta watershed individuals and communities who are working to improve the watershed.
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San Francisco Bay Delta Action Plan: Strengthen Estuarine Water Quality Standards
One of EPA's highest priorities in the San Francisco Bay Delta Estuary Watershed is ensuring water quality standards protect aquatic life beneficial uses.
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San Francisco Bay Delta Action Plan: Accelerate Water Quality Improvement
EPA is committed to accelerating water quality improvement and minimizing negative impacts to aquatic life from contaminants and other stressors in the Bay Delta Estuary by working with California Water Boards to strengthen water quality improvement plans.
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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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Eastern Abandoned Uranium Mine Region
Information about the progress of EPA's cleanup in The Eastern AUM Region, which includes 101 mines roughly in the area between Gallup and the eastern edge of the Navajo Nation.
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Course Outline and Key Points for Particle Pollution
Course Outline/Key Points
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Particle Pollution and Cardiovascular Effects
Health Effects of PM in Patients with Cardiovascular Disease