Learn the Issues
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Clean Water Act Section 404(g) Tribal and State Assumption
Info for Tribes and states on the requirements for, administration of, and EPA oversight of a Tribal or State Section 404 program. The site is a resource for the audiences in Tribes or states with assumed programs.
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Aircraft Drinking Water Rule Public Meetings and Summaries
In developing the Aircraft Drinking Water Rule, EPA used a collaborative process to obtain a broad range of views including the airlines, flight attendants, passengers, pilots, airports, laboratories, public health officials and environmental organizations
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Chemical Contaminant: Phase II/V Rule Regulatory Corrections and Significant Rule Developments
The following Federal Register notices discuss rule changes and corrections that are part of the Phase II/V Rule.
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State Implementation Guidance for the Lead and Copper Rule Minor Revisions Appendices
Appendixes to guidance documents for the Lead and Copper Rule Minor Revisions Appendices.
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Guidance and Clarification on the Use of Detection Limits in Drinking Water Compliance Monitoring
Guidance and Clarification on the Use of Detection Limits in Compliance Monitoring.
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Drinking Water Health Criteria Document for Chloramines
Contains information on the drinking water criteria for chloramines
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LSLR Financing Case Study: Quincy, MA
MA LSLR Case Study
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LSLR Financing Case Study: Georgetown, DE
DE LSLR case study
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LSLR Financing Case Study: DC Water
LSLR funding case study: Washington, dc
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LSLR Financing Case Study: Madison, WI
WI LSLR Case Study
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Drinking Water Lead and Copper Rule Historical Documents
Information on guidance documents for public water systems and states.
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Arsenic in Drinking Water Funding Sources
Information on the cost for water that meets the new arsenic standard.
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Variances and Exemptions Historical Documents- Public Input
This document contains the executive summary from the environmental and consumers stakeholder meeting on variances and exemption.
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Point-of-Use and Point-of-Entry Treatment Devices
Information on implementing a successful Point-of-Use or Point-of-Entry treatment strategy.
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EPA’s FY 2026 Milestones under the Federal Lead Action Plan
Detailed information about EPA’s FY 2026 Milestones under the Federal Lead Action Plan.
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Drinking Water Maximum Contaminant Level Limits for Beta Particles and Photon Emitters
Information on the individual limits associated with specific types of particles corresponding to this MCL.
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Radionuclide Rule Presentations
Information on Radionuclide presentations.
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Responses by State for Lead in Schools and Child Care Facilities
Information on states' responses to the Request for Information used to develop the document.
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Common Health Questions Related to Monochloramine
Provides answers to common health questions related to Monochloramine.
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Arsenic and Your Distribution System
Information for Public Water Systems on arsenic in the distribution system.