Data and Tools
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Environmental Education: Where Does Your Water Come From?
This document contains instructions for a taste test will illustrate the differences between groundwater and surface water, highlight some of the common contaminants in natural water and encourage student thought on the sources of drinking water.
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Environmental Education: Non-point Source Pollution
This activity is designed to demonstrate to students what an average storm drain collects during a rainfall event and how the water from storm drains can impact the water quality and aquatic environments of local streams, rivers, and bays.
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Decision Making, A Mock Town Meeting on a Proposed Tank Farm
A class lesson on discussing a proposed tank farm.
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Thirstin's Water Cycle Adventure
A graphical representation of the water cycle with labels.
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Matching Game: How Much Water?
A matching game using water usage fun facts for grades 4-8.
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MOU between the USGS and EPA
MOU between USGS and EPA for he Water Quality Portal
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Basics of Climate Change
The earth's climate is changing. Multiple lines of evidence show changes in our weather, oceans, ecosystems, and more. The buildup of greenhouse gases in our atmosphere and the warming of the planet are responsible for changes.
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PFAS Analytical Methods Development and Sampling Research
Provides links and resources for PFAS analytical methods and sampling.
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Geospatial Data Sources for MARPLOT
Sources of geospatial data for MARPLOT
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Computational Toxicology and Exposure APIs: Clients
Client API packages have been developed to support access to the Computational Toxicology and Exposure APIs (CTX APIs)
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Designation and NAAQS Information Related to PM-2.5 (2012 Standard)
Designation and NAAQS Information Related to PM-2.5 (2012 Standard)
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Designation and NAAQS Information Related to PM-2.5 (2006 Standard)
Designation and NAAQS Information Related to PM-2.5 (2006 Standard)
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Designation and NAAQS Information Related to PM-2.5 (1997 Standard)
Designation and NAAQS Information Related to PM-2.5 (1997 Standard)
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Designation and NAAQS Information Related to PM-10 (1987 Standard)
Designation and NAAQS Information Related to PM-10 (1987 Standard)
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Designation and NAAQS Information Related to 8-Hour Ozone (2008)
Designation and NAAQS Information Related to 8-Hour Ozone (2008)
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Designation and NAAQS Information Related to 8-Hour Ozone (1997 Standard) - NAAQS Revoked
Designation and NAAQS Information Related to 8-Hour Ozone (1997 Standard) - NAAQS Revoked
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Designation and NAAQS Information Related to Nitrogen Dioxide (1971 Standard)
Designation and NAAQS Information Related to Nitrogen Dioxide (1971 Standard)
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2019 AirToxScreen: Emissions Update Document
AirToxScreen emissions update document
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Enbridge Consent Decree Section VII.J. Independent Third Party Consent Decree Compliance Verification
Compliance with the consent decree.
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Alternative Leak Detection System
Enbridge's Line 5 biota investigation workplan and approval