Laws & Regulations
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Memo Clarifying Requirements and State Reporting Guidance to Transition to the Revised Total Coliform Rule
This memorandum provides guidance to primacy agencies with enforcement responsibility under the Safe Drinking Water Act (SDWA) concerning the requirements to transition public water systems (PWSs) from the Total Coliform Rule (TCR) to the RTCR
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EPA Letter to Governors and State Environment and Public Health Commissioners
EPA recently sent letters to Governors and state environment and public health commissioners outlining specific steps to enhance oversight of LCR implementation.
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Support Documents for EPA’s Fourth Review of Existing Drinking Water Standards
This page contains the support documents that support the data management and analyses conducted for the Fourth Six-Year Review.
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Public Notification - Ground Water Rule - Failure To Monitor Template
Ground Water Rule (GWR) failure to monitor (FTM) public notice (PN) template
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Regulatory Impact Analyses for Air Pollution Regulations
Regulatory Impact Analyses (RIAs)
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EPA Response to Government Accountability Office Inquiry re use of Social Media and the Clean Water Rule
A letter to Julie C. Matta of the U.S. Government Accountability Office that describe's EPA's legal view with respect to the Agency's use of social media in connection with the Clean Water Rule.
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Implementing the Pesticide Registration Improvement Act of 2022 (PRIA 5) - Fiscal Year 2024
PRIA fees seventeenth annual report fiscal year 2024
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Revised Total Coliform Rule Level 2 Assessment Form
This form should be completed when a water system is notified that a Level 2 Assessment has been triggered as required under the Revised Total Coliform Rule (RTCR).
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Simultaneous Compliance Workbook
Simultaneous Compliance Workbook
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SWTR Plain English Guide
Surface Water Treatment Rule (SWTR) – June 1989
• Interim Enhanced Surface Water Treatment Rule (IESWTR) – December 1998
• Long Term 1 Enhanced Surface Water Treatment Rule (LT1ESWTR) – January 2002
• Long Term 2 Enhanced Surface Water Treatment Rule -
Turbidity Provisions
SWTR Turbidity Guid
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RTCR State Imp. Guidance Manual
This document provides guidance to states, tribes and the U.S. Environmental Protection Agency (EPA) exercising primary enforcement responsibility under the Safe Drinking Water Act (SDWA) and contains EPA’s current policy recommendations for complying with
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Total Coliform Rule Compliance Help for Primacy Agencies
This document provides guidance to states, tribes and the EPA Regions exercising primary enforcement responsibility under the Safe Drinking Water Act (SDWA). It contains EPA’s current policy recommendations for complying with the RTCR.
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DBPRs: What Does it Mean to You?
EPA provides guidance documents to help states and public water systems (PWSs) implement the Stage 1 and Stage 2 Disinfectants and Disinfection Byproducts (DBP) Rules. The materials below can assist in complying with requirements of these Rules.
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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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EPA Data Requirements for Registration of Antimicrobial Pesticides: 158W Implementation Letter
This letter informs pesticide registrants how EPA has been implementing new data requirements under 40 CFR Part 158W.
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Walter Coke Petition to Correct EPA-Disseminated Information on RCRA Administrative Order on Consent
Document page on the petition from Walter Coke to the EPA.
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May 6, 2005, Transportation Conformity Rule That Addresses PM2.5 Precursors
This final rule, published by EPA on May 6, 2005, adds the following transportation-related PM2.5 precursors to the transportation conformity regulations: nitrogen oxides (NOx), volatile organic compounds (VOCs), sulfur oxides (SOx), and ammonia (NH3).
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Revised Total Coliform Rule Sample Siting Plan
Template used for Revised Total Coliform Rule (RTCR) sample site planning.