Laws & Regulations
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Legal Authority Review Status 07-28-2016
Legal Authority Review Status NPDES Petition for Program Withdrawal in Wisconsin
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FAQ - Class V Shallow Wells
Class V Shallow Wells Frequently Asked Questions
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Sulfur Dioxide (SO2) Primary Air Quality Standards - Other Technical Documents from the Review Completed in 2019
A variety of other technical documents or memoranda may be developed in each review. These may relate to aspects of the risk and exposure assessments, the monitoring network or air quality analyses.
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Guidance for Using the FARR Online Reporting System
Instructions for how to use EPA's Federal Air Rules for Reservations (FARR) Online Reporting System.
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Analytical Methods Developed by EPA for Analysis of Unregulated Contaminants
Links to methods for the analysis of unregulated contaminants in support of the Unregulated Contaminant Monitoring Rule (UCMR).
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Managing Stormwater at Auto Salvage and Recycling Facilities in Region 10
Stormwater guidance for auto salvage and recycling facilities in Alaska, Idaho, Oregon, and Washington.
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Oregon NPDES Permits
NPDES water permits issued by EPA in Oregon.
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NPDES Permit for City of Tensed Wastewater Treatment Plant in Idaho
EPA's NPDES wastewater permit for the City of Tensed on the Coeur d'Alene Reservation in Idaho.
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NPDES Permit for City of St. Maries Wastewater Treatment Plant in Idaho
EPA's NPDES wastewater permit for the City of St. Maries, Idaho.
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NPDES Permit for Riverside Water and Sewer District in Idaho
EPA's NPDES wastewater permit for the Riverside Water and Sewer District wastewater treatment facility on the Nez Perce Reservation of the Nez Perce Tribe of Indians in Idaho.
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NPDES Permit for City of Plummer Wastewater Treatment Plant in Idaho
EPA's NPDES wastewater permit for City of Plummer Wastewater Treatment Plant in Idaho.
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NPDES Permit for the City of Kooskia Wastewater Treatment Plant in Idaho
EPA's NPDES wastewater permit for the City of Kooskia in Idaho.
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NPDES Permit for the Lapwai Regional Wastewater Treatment Plant in Idaho
EPA's NPDES wastewater permit for the Lapwai Regional Wastewater Treatment Plant in Idaho.
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2024 Revisions to 2 CFR Part 200 Regulations – Impacts to Tribes as Federal Award Recipients - December 4, 2024
EPA will provide an overview of recent changes to the Uniform Grants Guidance that became effective on October 1, 2024, with a particular focus on changes that impact Tribal governments as federal award recipients.
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Superfund Institutional Controls: Guidance and Policy
Institutional Controls (IC) policy provides Superfund and RCRA site managers and other decision makers with an overview of the types of ICs that are commonly available.
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State/Tribal Correspondence Concerning NPL Site Listing
Access state/tribal correspondence information about Superfund sites that were considered or listed to the NPL since September 18, 2012. This information is used to determine the position of states/tribes on the matter of a site's listing to the NPL.
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Groundwater Cleanup Flexibilities
The groundwater cleanup approach may incorporate one or more flexible provisions that are found in existing Superfund laws, regulations, policy and guidance. The four provisions described here may be selected and adjusted to meet site-specific conditions.
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Army Corp of Engineers Response Letter regarding Plantation Landing Resort under CWA Section 404 (February 3, 1989)
A response letter to Ms. Hanmer regarding her request related to a permit application being considered by the New Orleans District Corps of Engineers for a project proposed by Plantation Landing Resort, Inc.
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40 CFR Part 22: Consolidated Rules of Practice Governing the Administrative Assessment of Civil Penalties and the Revocation or Suspension of Permits
The assessment of any civil penalty or for the revocation or suspension of any permit
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Elevation Request Letter to Army Corp of Engineers regarding Florida Power Corporation under CWA Section 404 (December 30, 1993)
Request for review of a decision to issue a Section 404 permit to Florida Power Corporation for a proposed 500 kV power transmission line near Tampa, Florida.