Learn the Issues
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Will boiling my water help?
No. Boiling water will NOT reduce nitrate levels. In fact, it will make the level of nitrate worse because some of the water will evaporate but the nitrate will not. This increases the concentration of nitrate in water.
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Report: Inter-annual Variability of Benthic Macroinvertebrate Communities in the Bonita Peak Mining District
Report on Inter-annual Variability of Benthic Macroinvertebrate Communities in the Bonita Peak Mining District, December 2020
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Denver Water Variance Associated Documents
Denver Water’s request for a SDWA variance has been signed. Attached are the signed cover letter, order, appendix, and signed version of the FR notice.
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How are people potentially exposed to nitrate?
For many situations, the potential for children’s exposure from drinking water is medium to low. The potential can be higher when private wells become contaminated with nitrates from feed lot and agricultural runoff, and contaminated groundwater. Some geographic areas are at higher risk of drinking water contamination of private wells…
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What Communities are Doing
Overview of the communities across the country that have come together, working with EPA and state/local agencies, to help their local waterways.
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Cleanup Activities
Links to interactive maps and resutls viewer
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What happens after the track work is completed?
The track work has been the highest priority to remove most contamination as early as possible. This, plus preventing the spread of contamination by capturing water from the site and constructing a bypass of Sulphur Run around the site will continue into June. While track work and water management continue…
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Photo Slideshow
Photo slideshow of images from the USS Lead cleanup.
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Is there a temporary water treatment system being installed on the site?
Norfolk Southern has brought in water treatment equipment and made a request to EPA and Ohio EPA to approve a plan for on-site treatment of water that came into contact with contaminated areas. Currently, this water is treated as hazardous waste because it has come into contact with site contamination…
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What are the health agencies doing?
The Centers for Disease Control and Prevention and Agency for Toxic Substances and Disease Registry (ATSDR) are analyzing their Assessment of Chemical Exposure (ACE) survey results to assess the health impacts of the train derailment. CDC and ATSDR continue to support the Ohio and Pennsylvania health departments and will be…
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Direct Implementation in Indian Country
EPA’s Direct Implementation of Federal Environmental Programs in Indian Country
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Laws, Regulations and Policies that Affect Tribes and Native Alaska Villages
Fundamental information on how EPA works with federally recognized tribes to protect human health and the environment in Indian country.
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Overview of EPA's Guidance for Discussing Tribal Treaty Rights
EPA Policy on Consultation and Coordination with Indian Tribes: Guidance for Discussing Tribal Treaty Rights
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National Coastal Condition Assessment 2010 Results
Results for the National Coastal Condition Assessment 2010, including key findings, national results, and regional results.
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National Highlight - Comparing Natural Lakes and Manmade Reservoirs
Exploring the similarities and differences between natural lakes and manmade reservoirs with the National Lakes Assessment 2012 data
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Relative Extent, Relative Risk and Attributable Risk Calculations
PDF of the Relative Extent, Relative Risk, and Attributable Risk calcuations.
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Upper Animas Mining District: Smelter Map
Map of smelters in the Upper Animas Mining District around Silverton, in San Juan County, Colorado.
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Program Collaboration Resources and Internet Search Tips
Water System Partnerships Meeting Summary
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Mystic River Watershed Steering Committee Meeting, November 10, 2021
View document(s) for the November 10, 2021 Mystic River Watershed Steering Committee Meeting.
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3M Cordova
Information regarding Unilateral Administrative Order under the Safe Drinking Water Act requiring 3M to collect water samples at private wells within three miles and public drinking water systems within 10 miles of their facility in Cordova, Illinois