Science & Technology
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Using Challenges and Prizes to Create Opportunities for Change in Communities
EPA has used its Challenges and Prizes program to crowdsource creative, community-led solutions that help address critical environmental issues.
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Headwater Streams Studies
An overview of Headwater Streams Studies which produced a field operations manual for assessing hydrologic permanence and the ecological condition of headwater streams.
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CHEMFLO-2000, Interactive Software for Simulating Water and Chemical Movement in Unsaturated Soils
This model simulates water movement and chemical fate and transport in vadose zones.
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Infiltration Models
Water applied to the soil surface through rainfall and irrigation events subsequently enters the soil through the process of infiltration.
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Results of Expanded Adit Sampling at Gold King Mine
Water or sediment samples tested at the request of La Plata County, CO, for an expanded suite of potential contaminants.
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PDFs for Results of Expanded Adit Sampling
Posting page for La Plata County Data PDFs.
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Gold King Mine Data, August 10, 2015
Water Quality Sampling Data Collected After the 2015 Gold King Mine Release, posted August 10 2015
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Biological Response Tools
An inventory and description of response tools and frameworks available to support remediation activities associated with wide-area sampling in a biological contamination incident.
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Risk Evaluation for Methylene Chloride
Fact sheet on Methylene Chloride.
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EPA Offers Webinars on Pollinator Health and Habitat
Office of Pesticide Programs will host a series of public webinars highlighting ongoing work to promote pollinator health and habitat.
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2020 Annual Report on Scientific Integrity
Main page of the 2020 Scientific Integrity Annual Report. Contains the introduction section and outlines the other major sections.
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2020 Chemical Data Reporting Frequent Questions
These Frequent Questions (FQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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2020 Chemical Data Reporting Frequent Questions
These Frequently Asked Questions (FAQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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Community Public Health Research
EPA is conducting human health-focused research on ways to improve health and well-being as well as promote community sustainability.
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Communicating about Cyanobacterial Blooms and Toxins in Recreational Waters
Information related to tools for water managers to communicate the risks to cyanobacterial blooms and their toxins in recreational waters.
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Developing an Emergency Response Plan for Cyanotoxins
Information related to Developing an Emergency Response Plan for Cyanotoxins
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Summary of California’s Water Reuse Guideline or Regulation for Indirect Potable Water Reuse
Summary of California’s indirect potable water reuse regulation, including specifications.
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Summary of California’s Water Reuse Guideline or Regulation for Direct Potable Water Reuse
Summary of California’s direct potable water reuse regulation, including specifications.
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California Indirect and Direct Potable Water Reuse Summaries
Directory to summaries of California’s regulations for indirect and direct potable water reuse.
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bloomWatch
Download the bloomWatch app to report suspected harmful algal blooms in your community’s water bodies.