Learn the Issues
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Federal Register Notices and Documents Pertaining to the Radionuclide Rule History
Information on the Radionuclide rule history and revisions.
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Chemical Contaminant: Phase II/V Rule Regulatory History
FR Notices discuss MCLGs and MCLs for the Chemical Contaminant Rules. They include monitoring, reporting and public notification requirements. They notice also specifies best available technology (BAT) for use with a variance or exemption.
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EPA Lead and Copper Rule State Response Documents
EPA recently sent letters to Governors and state environment and public health commissioners outlining specific steps to enhance oversight of LCR implementation. Below are the state responses to these letters EPA has received.
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Documents Pertaining to the Notice of Data Availability (NODA) for Public Water Systems
Information on the revisions to the Radionuclide rule.
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Drinking Water Lead and Copper Rule 2007 Short-Term Regulatory Revisions and Clarifications State Implementation Guidance Appendices
Appendixes to guidance documents and supplement guidance documents for Primacy Agencies.
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Radionuclide Rule Funding Sources for Water Utilities
Information on funding sources for public water systems complying with the Radionuclides Rule.
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Lead and Copper Rule Guidance Manual Volume II Corrosion Control Treatment
Information on the evaluation of corrosion control treatment options.
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2007 Radionuclide Implementation Workshops
Information from the 2007 Radionuclide Implementation Workshops.
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Lead and Copper Supplemental Guidance Materials for Public Water Systems
Guidance documents to assist public water systems with implementation of the Lead and Copper Rule.
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Presentations from 2002 Arsenic Rule Training Sessions
Information on the 2002 arsenic training session.
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Public Notification Rulemaking Documents
When EPA is directed to revise a regulation the Agency publishes a proposed rule. The proposed rule includes all the ideas the Agency has for how to improve the Rule. The publication of the proposed rule is also a way to ask the public for input.
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Public Education Posters on Lead Service Lines
Public education posters on lead service lines.
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Arsenic Rule Webcast: October 20, 2004
Information on the October 20, 2004 arsenic webcast..
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Aircraft Drinking Water Rule (ADWR) Training Materials
EPA developed the following information intended for public water systems and the general public as an overview of the Aircraft Drinking Water Rule.
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Basic Information about Chloramines and Drinking Water Disinfection
Chloramines are disinfectants used to treat drinking water. Chloramines are most commonly formed when ammonia is added to chlorine to treat drinking water. Chloramines provide longer-lasting disinfection as the water moves through pipes to consumers.
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Radionuclides Rule Question and Answer Fact Sheet
Questions and answers from the EPA's Radionuclides Rule Webcasts.
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Water System Partnerships Handbook Webinar Slides
Slides from the Water System Partnerships Handbook rollout webinar on November 18, 2020.
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Stormwater Smart Outreach Tools
Stormwater Smart Outreach Tools
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HFC Allowances
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
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Underground Injection Control National Technical Workgroup Final Issue Papers
Provides links to final issue papers from National Technical Workgroup