Laws & Regulations
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NPDES Pretreatment Discharge Requirements for Metal Container Corporation - Windsor Can Plant in Colorado
Under NPDES control mechanism CO-PF00102, Windsor Can Plant is authorized to discharge wastewater to the City of Windsor, Colorado, publicly operated treatment works (POTW).
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Documents: Notices of Intent to Sue (2015)
View notices of intent to sue the U.S. Environmental Protection Agency in 2015.
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Proposed PFAS National Primary Drinking Water Regulation
PFAS NPDWR Proposal Page
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Former Chamberlain Manufacturing Site, Waterloo, Black Hawk County, Iowa - Fact Sheet, July 2021
Proposed Explanation of Significant Differences
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Des Moines TCE Superfund Site, Des Moines, Polk County, Iowa - Fact Sheet, September 2017
Public Comment Period for Engineering Evaluation/Cost Analysis
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Compass Plaza Well Trichloroethylene (TCE) Superfund Site, Rogersville, Missouri - Fact Sheet, August 2016
EPA Conducting Remedial Investigation and Feasibility Study
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Web Services
Envirofacts is developing web services to facilitate the sharing of its functionality and information. All of the services that are available within Envirofacts will be listed on this page.
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Air Permitting Delegations and Program Approvals in Region 10
EPA delegations and approvals for state and local Clean Air Act permitting programs in Region 10 (Alaska, Idaho, Oregon, Washington.)
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U.S.-Canada Cooperation in the Salish Sea
Collaboration between the EPA and Canada to address shared environmental challenges in the Salish Sea.
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The FOIA Request Process
Freedom of information act procedural guidance.
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Released Records
EPA Released Records
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Atlanta Journal Constitution op-ed by Regional Administrator McOmber
McOmber Delivers Earth Day Message: Spend Time Outdoors, Enjoy the Sense of Place our Green Spaces Provide
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NDWAC 2015 Recommendations to the Administrator for the Long Term Revisions to the Lead and Copper Rule (LCR) and Past Meeting Summaries
The NDWAC Lead and Copper Rule Working Group was formed to provide advice to EPA in considering Long-Term Revisions to the Lead and Copper Rule.
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National Benefits Analysis for Drinking Water Regulations
This page contains the list of benefits for drinking water regulations under the Safe Drinking Water Act (SDWA).
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Fact Sheet: First Six-Year Review of Drinking Water Standards
This document is a fact sheet about the 2003 review of existing drinking water standards
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Support Documents for EPA’s First Review of Existing Drinking Water Standards
The support documents for the Six-Year Review 1 of existing National Primary Drinking Water Standards contain extensive information.
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Initial Review for Existing Drinking Water Standards
Learn about the parts of EPA's initial review to identify contaminants in drinking water
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Evaluating Implementation Issues for Six-Year Review of Drinking Water Standards
Learn about the criteria EPA considers when evaluating implementation issues for drinking water standards
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Reviewing Treatment Methods for Six-Year Review of Drinking Water Standards
Learn about EPA's review of recommendations for best available technologies for drinking water treatments processes.
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Fact Sheet: Second Six-Year Review of Drinking Water Standards
This document is a fact sheet about the 2010 second six-year review of existing drinking water standards.