Laws & Regulations
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Deviation from 40 CFR Part 35.3520(e)(2) for the Well Relocation Project for Oshkosh, Nebraska, and the North Douglas Regional Intertie Project for Carson City, Nevada (2018)
The deviation will allow the state of Nebraska to use DWSRF funds for a water transfer permit fee from the North Platte Natural Resource District, which would then allow the City of Oshkosh to withdraw water from new wells in the Blue Creek drainage basin.
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DWSRF Class Deviation for Water Rights [Deviation from 40 CFR §35.3520(e)(2)] (2019)
DWSRF Class Deviation for Water Rights [Deviation from 40 CFR §35.3520(e)(2)] (2019)
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Deviation from 40 CFR 35.3520(e)(3) for Off-Stream Reservoir in Defiance, Ohio (2001)
This memo responds to the request for a deviation from 40 CFR 35.3520(e)(3), which prohibits DWSRF financing of reservoirs.
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Deviation from 40 CFR 35.3520(e)(3) for Raw Water Reservoir/Settling Basin in Anahuac, Texas (2007)
This memo responds to the request for a deviation from 40 CFR 35.3520 (e)(3), which prohibits DWSRF financing of reservoirs.
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Developing Water System Partnerships with the DWSRF (EPA 816-F-21-002)
This fact sheet describes DWSRF eligibilities related to water system partnerships.
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Addressing Water Affordability with the DWSRF (EPA 816-F-21-007)
This fact sheet describes ways the DWSRF can help address water affordability.
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EPA Approved New Jersey Source-Specific Requirements
This section sets forth the applicable State Implementation Plan (SIP) for New Jersey under section 110 of the Clean Air Act, as amended, 42 U.S.C. 7401 et seq., and 40 CFR part 51 to meet National Ambient Air Quality Standards.
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History of the Clean Water Act
The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution. As amended in 1972, the law became commonly known as the Clean Water Act (CWA).
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Laws and Executive Orders
Lists and links to descriptions of the major laws and executive orders that EPA administers and/or that guide EPA rulemakings, including the Clean Air Act, the Toxic Substance Control Act, CERCLA or Superfund, and the Clean Water Act.
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Analysis of the Final MATS Risk and Technology Review (RTR)
IPM analyses of the Proposed MATS Risk and Technology Review (RTR)
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Results using Pre-IRA 2022 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Supporting Documentation of the 2015 Ozone NAAQS Actions
IPM analyses of the Good Neighbor Plan.
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Results using 2023 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Proposed CSAPR Close-Out
This page includes information on the determination regarding Good Neighbor Obligations for the 2008 Ozone National Ambient Air Quality Standard.
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Cross-State Air Pollution Revisions Rules
Revisions and adjustments made to the Cross-State Air Pollution Rule
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NOx Ozone Season Group 3 Trading Program under the Revised Cross-State Air Pollution Rule (CSAPR) Update
Revised CSAPR Update 2021 dates
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Cross-State Air Pollution Rule (CSAPR) State Budgets, Variability Limits, and Assurance Provisions
These updated tables incorporate all adjustments finalized in the Supplemental Notice of Final Rulemaking (December 2011), the February Revisions Rule (February 7, 2012), and the June Revisions Rule (June 5, 2012) for the CSAPR for SO2, NOx and Ozone
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Petitions for Reconsideration Received for the CSAPR Update
EPA has received petitions for reconsideration of the Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS from the following stakeholders.
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Cross-State Air Pollution Final and Proposed Rules
Final and Proposed rules for the Cross-State Air Pollution rule including regulatory actions and supporting documentation.
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Potential GNP EGU Allowance Auction Rule
EPA is considering a proposed rulemaking that would add an allowance auction mechanism for power plants to the CSAPR NOX Ozone Season Group 3 trading program under the Good Neighbor Plan (GNP) for the 2015 Ozone NAAQS.