On September 8, the U.S. Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (Corps) (together, the Agencies) published a final rule in the Federal Register to amend the Agencies’ January, 2023 “waters of the United States” (WOTUS) definition (Amended Rule). 88 Fed. Reg. 61,964 (Sep. 8, 2023).[i] According to the Agencies, these amendments conform that definition to the Supreme Court’s Sackett decision.
The Amended Rule is effective immediately (as of September 8, 2023),but only in those states where the 2023 Rule[ii] was not enjoined and not for the plaintiffs[iii] in Kentucky Chamber of Commerce, et al. v. EPA, No. 23-5345 (6th Cir.) and their members (Plaintiffs) (see Figure 1 below). In the 27 states where the 2023 Rule is enjoined (and nationwide for the Plaintiffs), the Agencies state that they will apply the pre-2015 regulatory regime, as amended by Sackett.
Figure 1[iv]
Background
Waters of the United States. The Clean Water Act (CWA) regulates certain activities (such as discharges of pollutants) in waters within and bordering the United States that are “navigable waters,” defined as “the waters of the United States” (or “WOTUS”). 33 U.S.C. § 1362(7). Federal regulation under the CWA has included features that would traditionally be considered federal waters, such as coastal ocean waters and navigable rivers, but also tributaries and adjacent wetlands. Discharges of soil and other pollutants into WOTUS are generally prohibited by the CWA unless authorized by a CWA permit.
One of the challenging aspects of CWA regulation is determining which waters are WOTUS. Over the decades there have been numerous federal court decisions, including Supreme Court decisions, interpreting the geographic reach of the term WOTUS, and the Agencies have issued varying rules to define the term through regulations.
2006 Rapanos Decision. Prior to Sackett, the Supreme Court most squarely addressed this question in Rapanos (2006). There, the Supreme Court rejected an assertion of CWA jurisdiction by EPA but split 4-4-1 on the grounds for the decision (the holding), with a four-justice plurality opinion (written by Justice Scalia) and a concurring opinion (by Justice Kennedy) establishing different tests (or prerequisites) for jurisdiction.
- Justice Scalia’s opinion stated that WOTUS includes only “waters,” and that “waters” includes only relatively permanent, standing, or flowing bodies of water; and does NOT include channels through which water flows intermittently or ephemerally, or channels that periodically provide drainage or rainfall. With regard to “adjacent wetlands,” the Scalia opinion emphasized that only those wetlands with a continuous surface connection to bodies that are WOTUS in their own right are WOTUS. The four-justice opinion authored by Justice Scalia rejected Justice Kennedy’s “significant nexus” test.
- Justice Kennedy agreed that the features at issue were not WOTUS, but asserted that jurisdiction over wetlands should be determined based on whether there is a significant nexus between the wetlands in question and navigable waters in the traditional sense. Justice Kennedy asserted that wetlands possess the requisite significant nexus (and therefore are WOTUS) if the wetlands, either alone or in combination with similarly situated lands in the region, significantly affect the chemical, physical, and biological integrity of other covered waters more readily understood as navigable.
2023 Rule. The Biden Administration issued a rule defining WOTUS in January 2023. This rule adopted one of the broadest possible interpretations of the Supreme Court’s decision in Rapanos by allowing jurisdiction to rest on either the Scalia plurality’s “relatively permanent” requirement or Justice Kennedy’s “significant nexus” test. The 2023 Rule was challenged in multiple federal district courts and preliminarily enjoined in 27 states and, nationwide, as to the Plaintiffs. Those challenges remain pending but were put in abeyance while the Agencies amended the 2023 Rule to address the Supreme Court’s decision in Sackett.
Sackett. On May 25, 2023, the Supreme Court in Sackett unanimously rejected the “significant nexus” test described in Justice Kennedy’s concurring opinion in Rapanos and EPA’s reliance on that test to assert CWA jurisdiction. Further, the Court adopted the Rapanos plurality’s “continuous surface connection” requirement for adjacent wetlands and held that WOTUS are limited to the following three categories:
- Traditional Interstate Navigable Waters. A term defined by prior Supreme Court decisions cited in the Sackett majority opinion;
- Relatively Permanent Waters. Relatively permanent, standing, or continuously flowing bodies of water which form a geographic feature described in ordinary parlance as a stream, ocean, river, or lake and the body of water is connected to a traditional navigable water; and
- Adjacent Wetlands. Wetlands with a continuous surface connection to a relatively permanent or traditional navigable water making it difficult to determine where the water ends and the wetland begins. As described by the minority opinion, which disagreed with this approach, the majority opinion reads the concept of adjacency as actually requiring wetlands to adjoin the relatively permanent water.
As a result, the Court held that EPA’s position – that adjacent wetlands are jurisdictional when they possess a significant nexus to traditional navigable waters and that wetlands are “adjacent” when they are “neighboring” such waters – lacks merit.
Summary of Amended Rule
The Amended Rule strikes certain provisions of the 2023 Rule that the Agencies have deemed to be inconsistent with Sackett and adds language the Agencies consider required by Sackett (the strikethrough version below shows the Agencies’ changes to the WOTUS definition in the Code of Federal Regulations).In particular, the Amended Rule:
- Removes the “significant nexus” standard from the tributaries, adjacent wetlands, and “other waters” provisions
- Narrows the definition of “adjacent” to mean “having a continuous surface connection”
- Removes provisions allowing jurisdiction over “interstate wetlands”
- Amends the “other waters” category to include only lakes and ponds (and not other tributaries and wetlands) that are relatively permanent, standing, or continuously flowing bodies of water with a continuous surface connection to traditional navigable waters or jurisdictional tributaries
- Removes the “significantly affect” definition
- Continues to assert jurisdiction, with certain clarifications, over “tributaries,” “impoundments,” and “ditches”
The 2023 Rule, as amended by the Amended Rule, now expressly asserts jurisdiction over:
- Waters which are currently used, or were used in the past, or may be susceptible to use, in interstate or foreign commerce;
- Territorial seas;
- Interstate waters;
- Impoundments;
- Tributaries of traditional navigable waters or impoundments that are relatively permanent, standing, or continuously flowing bodies of water;
- Wetlands with continuous surface connection to traditional navigable waters or relatively permanent, standing, or continuously flowing bodies of water qualifying as jurisdictional impoundments or tributaries
- Intrastate lakes and ponds not identified above that are relatively permanent, standing, or continuously flowing bodies of water with a continuous surface connection to jurisdictional traditional navigable waters or tributaries
Agencies Claim Good Cause to Bypass Notice and Comment Rulemaking Process
The Administrative Procedure Act (APA) provides that, when an agency “for good cause” finds that public notice and comment procedures “are impracticable, unnecessary, or contrary to the public interest,” the agency may issue a rule without providing notice and an opportunity for public comment. 5 U.S.C. § 553(b)(B). This language has been narrowly construed by a number of courts. See, e.g., Mack Trucks, Inc. v. EPA, 682 F.3d 87, 93 (D.C. Cir. 2012) (quoting Util. Solid Waste Activities Grp. v. EPA, 236 F.3d 749, 754 (D.C. Cir. 2001) (The good cause exception “‘is to be narrowly construed and only reluctantly countenanced.’”).
The Agencies claim in the Amended Rule’s preamble that there is “good cause” to issue the final Amended Rule without prior proposal and opportunity for comment. They assert public notice and opportunity for comment is unnecessary because the Agencies are simply conforming the 2023 Rule to the Sackett decision, and such conforming amendments “do not involve the exercise of the agencies’ discretion.” The Agencies further claim that there is “good cause” under the APA to make the Amended Rule immediately effective “because this rule does not impose any burdens on the regulated community; rather, it merely conforms the 2023 Rule to the Supreme Court’s decision in Sackett . . . ” The Agencies note that many states and industry groups challenging the 2023 Rule have advocated for quick action by the Agencies in light of Sackett, and suggest that this approach provides that certainty.
Next Steps
Unless litigation changes the ability for the government to apply the rule in some states, it is expected that additional implementation guidance will be issued. The Agencies have announced stakeholder meetings to provide the public with an opportunity to provide “input on other issues they would like the agencies to address.” 88 Fed. Reg. at 61,966. The Agencies also state that they are developing “regionally-specific tools to facilitate implementation” of the WOTUS definition. Id.
It remains to be seen what new litigation steps may be taken regarding the Amended Rule, whether in already filed litigation challenging the 2023 Rule or in other litigation.
Click here to see a redline of the revisions to the regulatory text.
[i] Hunton Andrews Kurth LLP represents certain parties challenging the Revised Definition of “Waters of the United States, 88 Fed. Reg. 3,004 (Jan. 18, 2023). This blog post represents the personal views of the authors and not the views of these parties.
[ii] For purposes of this blog post, we refer to the Agencies’ latest rule as the “Amended Rule” and the January 2023 WOTUS Rule as the “2023 Rule.”
[iii] Kentucky Chamber of Commerce, U.S. Chamber of Commerce, Associated General Contractors of Kentucky, Home Builders Association of Kentucky, Portland Cement Association, and Georgia Chamber of Commerce.
[iv] Definition of "Waters of the United States": Rule Status and Litigation Update, available at https://www.epa.gov/wotus/definition-waters-united-states-rule-status-and-litigation-update (last visited, September 7, 2023).
- Counsel
Karma leverages her extensive permitting and litigation experience under the Clean Water Act (CWA), the National Environmental Policy Act (NEPA), and the Endangered Species Act (ESA) to help clients navigate complex ...
- Partner
Deidre leads the firm’s environmental practice and specializes in permitting, compliance, and litigation relating to the Clean Water Act (CWA), Endangered Species Act (ESA), National Environmental Policy Act (NEPA ...
- Partner
Matt advises and defends clients across industries with the strategic insights as former General Counsel for the US Environmental Protection Agency, former General Counsel for the Florida Department of Environmental Protection ...
- Counsel
Brian assists clients in navigating complex permitting and compliance issues that arise under a host of federal environmental statutes and regulations. He also advocates for clients during related litigation and administrative ...
- Partner
Kerry has 15 years of wide-ranging experience handling novel and complex energy, environmental, and administrative law issues. She regularly assists applicants in obtaining and defending federal permits and navigating ...
- Partner
Andrew’s practice covers a diverse range of natural resource, environmental, marine resource, and land use issues critical to the operations of his clients. His experience allows him to bring insightful and practical advice to ...
Search
Recent Posts
Categories
- Agreements
- Air
- Batteries
- California
- Carbon
- Carbon Markets
- CERCLA
- Chemicals
- Climate
- Coal
- Duty to Defend
- Election
- Endangered Species
- Energy Transition
- Enforcement
- Environmental
- Environmental Justice
- Environmental Law
- EPA
- ESG
- General
- General Liability
- Manufacturing
- Mining
- Natural Resources
- Oil & Gas
- PFAS
- Policy
- Renewables
- Trade Agreements
- Utilities
- Waste
- Water
Tags
- 2015 Standards
- 2018 Farm Bill
- 2020
- 2020 Presidential Election
- 2022 Scoping Plan for Achieving Carbon Neutrality
- 316(b)
- 3D Printer
- 3D Printing
- 4(d) Rule
- 404
- 404 permits
- 404(g)
- 45Q
- AB 1200
- AB 2503
- AB 617
- Abeyance
- ABS
- ACE
- Acrylonitrile-Butadiene-Sytrene
- active guidance
- ADAO
- Adaptation
- adjacent
- Administration
- Administrative Agencies
- Administrative Law
- Administrative Procedure Act
- Administrator Pruitt
- Adverse Modification
- Advertizing
- Advisory Opinions
- Affordable Clean Energy
- Aftermarket Parts
- Agency
- Agency Budget
- Agency for Toxic Substances and Disease Registry
- Agency Guidance
- Agency Interpretation
- Agent
- Agriculture Improvement Act of 2018
- Air
- Air Emissions
- Air Permit
- Air Pollution
- Air Quality
- Air Quality Implementation Plan
- Air Quality Management District
- Air Quality Management Plan
- ALARP
- Alexandria Ocasio-Cortez
- Algae
- Allco Finance Unlimited v. Klee
- Allegheny
- Alternative Energy Portfolio
- Alternative Energy Portfolio Standard
- Ambient Air
- Amendments
- America's Water Infrastructure Act
- American Bar Association
- American Jobs Plan
- AMLO
- Anadarko Petroleum
- Andrés Manuel López Obrador
- Annie Kuster
- Anthony Kennedy
- Anti-Backsliding
- Anti-terrorism
- Antibacterial
- Antitrust
- AOC
- APA
- Appropriations
- APS
- AQMP
- Aquaculture
- Arbitration
- Arctice Grayling
- Army Corps of Engineers
- ARPA-E
- Articles
- Artificial Island transmission project
- Asbestos
- Asbestos Disease Awareness Organization
- Assumption
- Atlantic Coast Natural Gas Pipeline
- Audubon Society
- Auer
- Auer Deference
- Auxiliary Emissions Control Devices
- BAAQMD
- Backstop Siting
- BACT
- Bag Ban
- Bald and Golden Eagle Protection Act
- Bankruptcy
- BART
- Baseload
- Batteries
- battery storage
- Bay Area Air Quality Management District
- Beauty products
- Beneficial Use
- Beneficial Use and Reuse
- Bernie Sanders
- Best Available Control Technologies
- Beto O'Rourke
- BGEPA
- Biden Administration
- Bilateral Investment Treaty
- Biological Opinion
- Bipartisan Budget Act
- BIT
- Black-Capped Vireo
- BLM
- Blue Ribbon Task Force
- BOEM
- BOP
- Boston
- Boundary
- Brand Memo
- Brent Spar
- Brett Kavanaugh
- Brownfields
- BSEE
- Budget Proposal
- Bureau of Land Management
- Bureau of Ocean Energy Management
- CAA
- CAISO
- Cal-OSHA
- CalEPA
- California
- California Air Resources Board
- California Coastal Act
- California Consumer Protection Act of 2018
- California Department of Public Health
- California Department of Toxic Substances
- California Environmental Protection Agency (CalEPA)
- California Environmental Public Health and Workers Defense Act of 2019
- California Environmental Quality Act
- California Legislature
- California Mining
- California Ocean Protection Council
- California OEHHA
- California Proposition 13
- California Proposition 65
- California Regional Water Quality Control Boards
- California State Lands Commission
- California State Water Resources Control Board
- California Superior Courts
- California Title 8
- California Water Code section 13304
- California's Safe Drinking Water and Toxic Enforcement Act
- California-China Clean Technology Partnership
- Cannabis
- Cap In Place
- Cap-and-Trade
- Capital Asset Pricing Model
- CAPP
- CARB
- Carbon Capture
- Carbon Capture and Sequestration
- Carbon Capture Demonstration Projects Program
- Carbon Capture Large-Scale Pilot Projects
- Carbon Capture Utilization and Storage
- Carbon Credits
- Carbon Dioxide
- carbon dioxide removal
- Carbon Intensity
- Carbon Markets
- Carbon Nanotubes
- Carbon Utilization
- CASAC
- Categorical Exclusion
- CBD
- CBI
- CCPA
- CCPS
- CCR
- CCR Rule
- CCS
- CCS Alliance
- CCUS
- CDP
- CDR
- CECP
- CEJST
- Center for Chemical Process Safety
- Centralized Waste Treatment
- CEQ
- CEQA
- CERCLA
- Certificate of Public Convenience and Necessity
- Certification
- Certified Unified Program Agencies
- CESER
- CFATS
- CFCs
- CFE
- CGL
- Chambers USA
- Chapter 91
- Chemical Data Reporting
- Chemical Exposure
- Chemical Risk Assessment
- Chemical Safety Board
- Chemicals
- Cheryl LaFleur
- Chevron Deference
- Cheyenne River Sioux
- Chloroflourocarbons
- Chlorpyrifos
- Chrysotile Asbestos
- CIP
- Circular Economy
- CITES
- Citizen Petition
- Citizen Suit
- Civil Penalties
- Civiletti
- Claims-Made
- Class VI
- Class VI Primacy
- Class VI Underground Injection Control
- Clean Air Act
- Clean Development Mechanism
- Clean Energy
- Clean Energy Standard
- Clean Hydrogen
- Clean Peak Energy Certificates
- Clean Power Plan
- Clean Water Act
- Clean Water Act Section 401
- Clean Water Act Section 404
- Cleaning Products
- Cleanup
- Climate
- Climate Change
- Climate Disclosure
- Closure by Removal
- CNTs
- CO2
- CO2 Emissions
- Coakley Order
- Coal
- Coal Ash
- Coal Ash Basins
- Coal Combustion Residuals
- Coal Leasing Moratorium
- Coal Mine Health and Safety Act
- Coalition for Competitive Electricity v. Zibelman
- Coastal
- Coastal Zone Management Act
- Comisión Federal de Electricidad
- Commercial General Liability
- Commercial Information
- Common Law
- Community Air Protection Program
- Compliance
- Comprehensive Environmental Response Compensation and Liability Act
- concurrent-remedies doctrine
- Confidential Business Information
- Congress
- Congressional Research Service
- Congressional Review Act
- Consent Decree
- Conservation Easement
- Considerations
- Constitutional Law
- Consultation
- Consumer Data
- Consumer Product Exposure Warnings
- Consumer Products
- Consumer Products Safety Commission
- Contaminated Sites
- Contribution Threshold
- Controlled Substances Act of 1970
- Cook Inlet
- Cookware
- Cooling Water Intake Structures
- Cooperative Federalism
- COP26
- COP28
- COP28 Agreement
- Coronavirus/COVID-19
- Corporate Governance
- Corporate Social Responsibility
- Corporate Sustainability
- Corporate Sustainability Reporting Directive
- Corporate Sustainability Reporting Directive (CSRD)
- Corporate Valuation
- Corps
- Cosmetics
- Cost of regulation
- Council on Environmental Quality
- County of Maui
- COVID-19
- CPCN
- CPECs
- CPP
- CPS
- CPSC
- CPUC
- CRA
- Criminal Enforcement
- Critical Electric Infrastructure Information
- critical habitat
- Critical Habitat Designation
- Critical Infrastructure
- Critical Infrastructure Protection
- Cross-State Air Pollution Rule
- CSA
- CSAG
- CSAPR
- CSB
- CSR
- CSR reports
- CSR Standards
- CSR- and ESG-related risks
- Cultural Resources
- CWA
- CWA Citizen Suit
- CWA section 401
- CWA Section 404
- Cyber-Related Risks
- Cybersecurity
- D&O
- D&O Insurance
- Dakota Access Pipeline
- DAPL
- DARTIC
- Data Security
- DC Circuit
- DC Circuit Court of Appeals
- DCH
- Deadline Suits
- Deadlines
- Decarbonization
- Decommissioning
- Deep-Well Injection
- Deepwater Horizon
- Defeat Devices
- Defense Costs
- Deference
- Deidre G. Duncan
- Delisting
- Democratic Debate
- DEP
- Department of Energy
- Department of Homeland Security
- Department of Justice
- Department of Labor
- Department of the Interior
- Department of Transportation
- Designations
- Development
- Device
- Diligent Prosecution
- Dioxane
- Directors & Officers
- Director’s Order
- Discharge
- Diversity and Inclusion
- DJSI
- DOD
- DOE
- DOER
- DOI
- DOJ
- DOJ ENRD
- Domestic Energy Policy
- Domestic Terrorism
- DOSH
- Dow Jones Sustainability Index
- DPR
- DPU
- Draft
- Draft EA
- Draft Environmental Assessment
- drinking water
- Drought
- DTSC
- Due Diligence
- Duke Energy
- Duty to Defend
- Dynamic Scoring
- E&P Wastes
- EA
- eagle
- Eagle Take Permit
- Earth Day
- Economic Impact
- Economic Impacts
- Effluent
- Effluent Guidelines
- Effluent Limitations
- EHSS
- EIS
- EJSCREEN
- Election 2020
- Electric Ratepayers
- Electric Transmission
- Electric Vehicles
- Electricity
- Electricity Markets
- ELG
- ELGs
- Elizabeth E. Aldridge
- Elizabeth Warren
- Emergency Planning and Community Right-to-Know Act
- Emergency Response
- Emergency Support Functions
- Emerging Contaminants
- Emission Caps
- Emission Control Requirements
- Emission Reduction Credits
- Emissions
- Emissions Caps
- emissions reporting
- Emphasis List
- Endangered Species
- Endangered Species Act
- Energy
- Energy Industry
- Energy Infrastructure
- Energy Package Insurance
- Energy Reforms
- Energy Storage
- Energy Transition
- Enforcement
- Enforcement Discretion
- Enforcement statistics
- Engine Certification
- Enhanced Oil Recovery
- ENRD
- Environment
- Environment and Natural Resources Division
- Environmental
- Environmental and Social Governance
- Environmental Appeals Board
- Environmental Assessment
- Environmental Bar
- Environmental Compliance
- Environmental Crimes
- Environmental Defense Fund
- Environmental Disclosure
- Environmental Due Diligence
- Environmental Enforcement
- Environmental Groups
- Environmental Impact Statement
- Environmental Justice
- Environmental Justice and Equity Board
- Environmental Law
- Environmental Law Institute
- Environmental Markets
- Environmental Permitting
- Environmental Protection Agency
- Environmental Rights
- Environmental Social and Corporate Governance
- Environmental Social and Governance
- Environmental Social Governance
- Environmental Social Justice
- Environmental Transactions
- EO 13891
- EOR
- EP3
- EP4
- EPA
- EPA audit policy
- EPR
- EPR Laws
- Equator Principles
- Equator Principles Association
- ERC
- ESA
- ESA consultation
- ESA section 7 consultation
- ESG
- ESG Diligence
- ETP
- EU
- European Climate Law
- European Green Deal
- European Sustainability Reporting Standards
- European Union
- Evaluation of Regionalization for Potential New Wastewater Systems
- EVs
- Exceptional Events
- Exceptional Events Rule
- Excess Insurance
- Excess Liability
- Exchange Act
- Executive Compensation
- Executive Memorandum
- Executive Office for United States Attorneys
- Executive Order
- Executive Order 13777
- Executive Order 14008
- Executive Order N-8-23
- Executive Orders
- Extended producer Responsibility
- Fair and Equitable Treatment
- Fair Labor Standards Act
- FAST Act
- Fathead Minnow
- Fatmucket Mussel
- FDA
- FECM
- Federal Action
- Federal Agencies
- Federal Agency Action
- Federal Budget
- Federal Energy Regulatory Commission
- Federal Lands
- Federal Permit
- Federal Power Act
- Federal Preemption
- Federal Register
- Federal Rule 20
- Federal Rule 71.1
- Federalism
- Fees
- FERC
- FET
- Fiduciary Liability
- FIFRA
- Fifth Circuit
- Final Rule
- Financial Information
- Fireworks
- First Amendment
- Fishing Industry
- Flaring
- Flint
- FloaTEC LLC
- Flood Infrastructure Funding
- Flood Mitigation
- Florida
- FLSA
- FOIA
- Food
- Food and Drug Administration
- Food and Drug Administration (FDA)
- Food Loss and Waste
- Food Marketing Institute
- Food Marketing Institute v. Argus Leader Media
- Food Waste
- Food Waste Reduction Alliance
- Fossil Fuels
- Fourth Circuit
- Fourth of July
- FPA
- FPA Preemption
- FPA section 202(c)
- FPOS
- Fracking
- Framework
- Framework Rule
- Fraud
- Free Trade Agreement
- Freedom of Information Act
- Freeport
- FSLA
- FTA
- Funding for Environmental Protection
- Funding Mechanism
- FUTURE Act
- FWS
- FY2017 budget
- FY2018
- GAO
- Gas
- GDPR
- Gender Equality
- General Data Protection Regulation
- General Industrial Stormwater Permit
- General Permit
- GenX
- George Clemon Freeman Jr.
- GHG
- GHG Emissions
- GHG Emissions Renewable Portfolio Standard
- Gilbert & Sullivan
- Global Carbon Markets
- Global Climate Negotiations
- Global Reporting Initiative
- Global Warming Solutions Act
- Glyphosate
- GOM
- Good Neighbor Obligation
- Good Neighbor Provision
- Government Investigations
- Grand River Dam Authority
- Grassroots Activisim
- Green Admendment
- Green Communities Act
- Green Deal
- Green New Deal
- Green New Deal; Climate Change
- Greenhouse Gas
- Greenhouse Gas Emissions
- Greenhouse Gas Protocol
- Greenhouse Gas Protocol Initiative
- Greenhouse Gases
- Grid
- grid reliability
- grid study
- Grocery Manufacturers Association
- Groundwater
- Guam
- Guidance
- Guidance Portal
- Gulf of Mexico
- Habitat
- Hardrock Mining Rule
- Harmful Algal Blooms
- Hawaii
- Hawkes
- Hazardous Air Pollutants
- Hazardous Materials Regulations
- Hazardous Waste
- HBCD
- HCFCs
- Health
- Health Advisories
- health advisory
- Health and Safety
- HECT
- Hemp
- HFCs
- high-density polyethylene (HDPE)
- Highly Reactive Volatile Organic Compound Emissions Cap and Trade
- Historical Matter
- HMR
- Holder
- Homeland Security
- Hoopa Valley Tribe
- House
- House of Representatives
- Houston Casualty
- Human Health Toxicity Values
- Human Rights
- Hurricane Harvey
- Hydraulic Fracturing
- Hydroelectric Relicensing
- Hydrofluorocarbons
- Hydrofluorocarbons (HFCs)
- Hydrogen
- Hydrogen Energy Earthshot
- Hydrological Connection Theory
- Hydropower
- ICMM
- ICSID
- IFC Performance Standards
- IGP
- IIA
- IIJA
- Impaired Waterbodies
- Impaired Waters
- Impairment
- Incident Response
- Incidental Take
- incidental take statement
- Indian Lands
- Indigenous Traditional Ecological Knowledge
- Indonesia
- Industrial Accidents
- Industrial Hemp
- Infectious Disease Preparedness and Response Plan
- Inflaction Reduction Act
- Infrastructure
- Infrastructure Development
- Infrastructure Investment and Jobs Act (IIJA)
- infrastructure security
- Initial & Boundary
- Innovation
- Inside Look
- Inspections
- Insurance
- Insurance Recovery
- Integrated Science Assessment
- Interagency Review
- Intergovernmental Panel on Climate Change
- Interior
- International Arbitration
- International Centre for Settlement of Investment Disputes
- International Council on Mining and Metals
- International Energy Agency
- International Environmental Law
- International Investment Agreements
- International Petroleum Industry Environmental Conservation Association
- Interstate Transport
- Intervention
- Investment Risk Assessment
- IPCC
- IRIS
- IRIS Review
- IRS
- ISO-NE
- ITEK
- Jay Inslee
- Jewell
- Joe Biden
- John Hickenlooper
- Joint Venture Provision
- Judicial Review
- Judiciary
- Jurisdiction
- Jurisdictional Determination
- Justice40
- Kamala Harris
- Kavanaugh
- Kenk’s amphipod
- Kevin McIntyre
- Keystone XL
- Kigali Amendment
- Kisor
- Kisor Deference
- Kyoto Protocol
- Lake Erie
- Lake Powell Pipeline Project
- Lampsilis Siliquoidea
- Land Use
- Late Notice
- Lautenberg Act
- Law360
- LCPFAC SNUR
- LDC
- LDNR
- Lead
- Lead and Copper Rule
- Lease Sale
- Legislation
- Lesser Prairie Chicken
- Li-ion
- Liability
- Liability Insured
- Linear
- Liquefied Natural Gas
- Lithium-ion batteries
- Litigation
- Lloyds
- Lloyd’s of London
- LNG
- London Protocol
- Long-Form Warning
- Look-back period
- Louisiana Department of Natural Resources
- Low Carbon Fuel Standard
- MA DOER
- Maine Department of Environmental Protection
- Maintenance Fees
- Malaysia
- Manufactured Products
- Manufacturing
- Marijuana
- Maritime
- Markets
- Masias
- Mass Emissions Cap and Trade
- Massachusetts
- Massachusetts AG
- Massachusetts Clean Energy Center
- Massachusetts Climate Act
- Massachusetts Department of Energy Resources
- Massachusetts Global Warming Solutions Act
- MassCEC
- MATS
- Maximum Contaminant Levels
- MBTA
- MBTA; Wind Energy; Renewable Energy; protected species; natural resources; USFWS
- McGraw-Edison
- McIntyre
- MCL
- MCLG
- MCLs
- McNamee
- MEA
- MECT
- Mergers & Acquisitions
- Methane
- methane emissions
- Methane Repeal Rule
- Methylene Chloride
- Michigan
- microplastics
- Midnight Rule
- Midstream
- Migratory Bird Treaty Act
- Migratory Birds Treaty Act
- Millennium Pipeline
- Mineral Leasing Act
- Mining
- Mining Claims
- Minnesota Pollution Control Agency (MPCA)
- Misbranding
- Mitigation
- Mitigation Rule
- MLP
- Modification
- Monitoring
- Monsanto
- Montana
- Montreal Protocol
- Moratorium
- MOU
- Mountain Valley Pipeline
- MSGP
- Multi-Sector General Permit
- Multiyear Plan for Energy Sector Cybersecurity
- Mulvaney
- Murray
- Murray Energy
- MVP
- NAAQS
- NAFTA
- NAIOP
- NALs
- Nancy Pelosi
- NATA
- National Ambient Air Quality Standards
- National Compliance Initiatives
- National Cybersecurity and Communications Integration Center
- National Defense Authorization Act
- National Determined Contributions
- National Emergency
- National Enforcement and Compliance Initiatives
- National Enforcement Initiatives
- National Environmental Policy Act
- National Historic Preservation Act
- National Hydro Association
- National Marine Fisheries Service
- National Oceanic Atmospheric Administration
- National Parks and Conservation Ass’n v. Morton
- National Petroleum Council
- National Pollutant Discharge Elimination System
- National Pollutant Discharge Elimination System (NPDES)
- National Pollution Discharge Elimination System
- National Primary Drinking Water Regulation
- National Priorities List
- National Recycling Strategy
- National Register of Historic Places
- National Restaurant Association
- National Security
- Nationwide Permit
- Native American Law
- Natural Gas
- Natural Gas Act
- Natural Gas Leak Abatement Program
- Natural Gas Pipeline Certification
- Natural Gas Pipelines
- Natural Resource Damages
- Natural Resources
- Navigable waters
- NCCIC
- NCI
- NEC
- NECIs
- NEI
- Neil Chatterjee
- NELs
- NEPA
- NEPA Policy
- NEPA Review
- NERC
- NESCOE
- Net-Zero Emissions
- Net-Zero Greenhouse Gas Emissions
- New Chemicals Review Program
- New Rule
- New Source Review
- New York
- New York Department of Environmental Conservation
- New York State Department of Taxation and Finance
- NGA
- NGO
- NHPA
- NHTSA
- NIETC
- nitrogen dioxide
- NMFS
- No Exposure Certification Identification Number
- No-Action Letter
- NOAA
- NOI
- NONA
- Nonapplicability Identification Number
- Nonattainment
- Nonpoint Source
- North American Electric Reliability Corporation
- North Dakota
- Notice
- Notice of Proposed Rulemaking
- NPDES
- NPDES Delegation
- NPDWR
- NPL
- NSPS
- NSR
- nuclear
- nuclear energy
- NWP
- NY PSC
- Obama
- Occupational Safety and Health Act
- Occupational Safety and Health Administration
- OCE
- OECA
- OEHHA
- OEJECR
- Office of Civil Enforcement
- Office of Cybersecurity Energy Security and Emergency Response
- Office of Electricity Delivery & Energy Reliability
- Office of Enforcement and Compliance Assurance
- Office of Enforcement and Compliance Assurance (OECA)
- Office of Environmental Justice and External Civil Rights
- Office of Federal Register
- Office of Information and Regulatory Affairs
- Office of Management and Budget
- Office of Natural Resources
- Office of Water
- Offshore Energy
- Offshore Platforms
- Offshore Wind
- Offshore wind energy
- Ohio
- Oil
- Oil & Gas
- Oil and Gas
- Oil and Gas Production
- Oil and Gas Wastewater
- Oil Pipelines
- Oil Pollution Act
- OIRA
- Oklahoma
- OMB
- One Federal Decision
- One Federal Plan
- OPA
- OSHA
- Outer Continental Shelf
- OW
- Ozone
- Pacific OCS Region
- Packaging
- Paperwork Reduction Act
- Paris Agreement
- Paris Climate Accord
- Paris Climate Agreement
- Particulate Matter
- Partido Revolucionario Institucional
- Passaic River
- PATH Act
- PBT
- PCBs
- PEMEX
- Penalties
- Penalty
- PennEast Pipeline
- Pennsylvania
- Perfluoroalkyl
- Permian Basin
- Permitting
- Pesticide Devices
- Pesticides
- Pete Buttigieg
- Petition
- Petition for Rulemaking
- Petitions for Objection
- PetraNova
- Petrochemical Regulation
- Petróleos Mexicanos
- Petroleum Products
- PFAS
- PFAS Action Plan
- PFAS in Products State Law Tracker
- PFAS Reporting Rule
- PFAS Strategic Roadmap
- PFBA
- PFBS
- PFNA
- PFOA
- PFOS
- PHMSA
- Physicians for Social Responsibility
- Pimphales Promelas
- PIP
- Pipe Manufacturing
- Pipeline
- Pipeline and Hazardous Materials Safety Administration
- Pipeline Attacks
- Pipeline Construction
- Pipeline Safety
- Pipelines
- PIPES
- Plastic
- Plastic Carryout bag
- PNAS
- POCSR
- Point Source
- Point Source Discharge
- Policy
- Policy Statement
- Pollution
- Pollution Exclusion
- Pollution Liability
- Pollution Prevention for Healthy People and Puget Sound Act
- Polyalkyl
- Polyfluoroalkyl
- Port of Los Angeles
- Porter-Cologne Water Quality Control Act
- Potentially Responsible Party
- POTW
- PRA
- Practical Law
- Precedent
- Preconstruction Authorizations
- Preemption
- Prejudice
- Preliminary Injunction
- President Biden
- President Trump
- Presidential Transition
- PRGs
- PRI
- Priebus
- Principal
- Principles for Responsible Investments
- Priority Pollutants
- Privacy
- Process Safety Management
- Produced Water
- Product Safety
- Production Cuts
- Production Sharing Contract
- Prohibition on Sale
- Project Development
- Prop. 65
- Proposition 65
- Protected Species
- Protecting Our Conserved Lands Act of 2019
- PRP
- Pruitt
- Pruitt Task Force
- PSC
- PSD
- PSH
- PSM
- Public Comment
- Public Lands
- Public Utilities
- Publicly Owned Treatment Works
- Pumped Storage Hydropower
- PURPA
- Quality Assurance Plan
- R-Project Transmission Line
- Racing Vehicles
- RAGAGEP
- Railroad Commission
- Railroad Commission of Texas
- Railroad Commission of Texas (RRC)
- Rapanos
- RBI
- RCRA
- RCRA Subtitle D
- REACH
- Reasonable Progress Plans
- RECLAIM
- Reconsideration
- RECs
- Redevelopment
- Refinery
- Reform
- Reforma Energética
- Regional Clean Air Incentives Market
- Regional Clean Hydrogen Hubs
- Regional Greenhouse Gas Initiative (RGGI)
- Regional Haze
- Regional Water Quality Control Boards
- Registration Evaluation Authorization and Restriction of Chemicals
- Regulation
- Regulation S-K
- Regulation S-X
- Regulations
- Regulatory
- Regulatory Agenda
- Regulatory Freeze
- Regulatory Guidance
- Regulatory Programs
- Regulatory Reform
- Regulatory Review
- Reliability
- Reliability Safety Valve
- Remediation
- Removal Action
- Renewable
- Renewable Energy
- Renewable Energy Certificates
- Renewable Energy Portfolio
- Renewable Fuel Standards
- Renewable Portfolio Standard
- Renewables
- Renewals
- Reporting
- Request for Information
- ReRED
- Rescind
- Resilience of the Bulk Power System
- Resource Conservation and Recovery Act
- Responsible Business Initiative
- Restoration
- Restriction of Hazardous Substances
- Retail
- Retailers
- Retained
- Retroactivity
- Return on Equity
- RFS
- RHA
- Richard Glick
- Rigs to Reefs
- RIN
- Ripeness
- Risk and Technology Review
- Risk Assessment
- Risk Evaluation
- Risk Management
- Risk Management Plan
- Risk Management Program
- Risk Management Regulations
- Rivers and Harbors Act
- RMP
- Roadmap Release
- Roanoke River Basin Association
- Robert Powelson
- ROE
- ROEs
- RoHS
- Roundtable on Sustainable Palm Oil
- Roundup
- Royalties
- RPS
- RRBA
- RRC
- RTR
- Rule 14a-8(i)(7)
- Rule 65(c)
- Rulemaking
- Russia
- SAB
- Sacred Sites
- SAFE
- Safe Drinking Water Act
- Safe Harbor
- Safe Harbor Regulation
- Safe Harbor Warning
- Safer Consumer Products
- SAFETY Act
- Safety Management System
- San Francisco Bay Regional Water Quality Control Board
- SASB
- SaskPower’s Boundary Dam Unit 3
- SB 1371
- SCAQMD
- Science
- Science Advisory Board
- Science Advisory Board (SAB)
- Scope
- Scope 1
- Scope 2
- Scope 3
- Scott Pruitt
- SCOTUS
- SDWA
- SEC
- Section 10
- Section 104 Request
- Section 114 Request
- Section 179B(b)
- Section 208 Request
- Section 308 Request
- Section 4
- Section 401
- Section 404
- Section 408
- Section 45Q
- Section 5
- Section 6(b)
- Securities Act
- Securities and Exchange Commission
- Securities and Exchange Commission (SEC)
- Securities Law
- Seismicity
- Seminole Rock
- Senate
- Senate Energy and Natural Resources Committee
- Senator Lamar Alexander
- SEP
- SEPs
- Services
- Settlements
- Sewage
- Shareholder Lawsuits
- Shutdown
- Sierra Club
- Significant Figures
- Significant Guidance
- Significant New Use Rule
- SIP
- Smelter
- SNUR
- Social
- Social Media
- Solar
- Solid Waste
- South China Sea
- South Coast Air Quality Management District
- SPCC
- Species
- Spill Prevention Control and Countermeasure Rule
- SSB 5135
- SSM SIP Call
- Stabilization Clause
- Standing
- Standing Rock Sioux
- Stare Decisis
- State
- State Administrative Appeals
- State Air Pollution Control Board
- State Constitutions
- State Environmental Quality Review Act
- State Implementation Plan
- State Law
- State Water Resources Control Board
- States
- Statute of Limitations
- Statutory Authority
- Statutory Interpretation
- Stormwater
- Strategic
- Straw Proposal
- Subrogation
- sulfur dioxide
- Sunset Review
- Superfund
- Supplemental Environmental Projects
- Supply Chain
- Supreme Court
- Supreme Court of Texas
- Supreme Court of the United States
- Surface Mining Act
- Surface Water Discharge
- Susan Bodine
- Sustainability
- Sustainability Accounting Standards Board
- Sustainable Development Goals
- Sustainable Investing
- SWDA
- Switzerland
- SWRCB
- Tailings Storage Facility
- Take
- Take Prohibition
- Takings
- Task Force on Climate-Related Financial Disclosures (TCFD)
- Tax
- Tax Credits
- Tax Cuts and Jobs Act
- Tax Reform
- Taxonomy Regulation
- TCEQ
- TCI
- Temporary Policy
- TERP
- Texas Alliance of Energy Producers
- Texas Commission on Environmental Quality
- Texas Legislature
- Texas Railroad Commission
- Texas Water Development Board
- Thailand
- THC
- The European Commission
- The Mikado
- The Treasury Department
- The Water Infrastructure Improvements Act
- the WIIN Act
- Third Circuit
- Threatened Species
- Title V
- TMDL
- TMDLs
- TNALs
- Toledo
- Tolling Order
- Total Maximum Daily Load
- Toxic Chemicals
- Toxic Substances Control Act
- Toxic Substances Control Act (TSCA)
- Toxics
- Toxics Release Inventory
- Transcos
- Transition
- Transmission
- Transparency
- Transport
- Treasury
- Treaty Rights
- Trends
- TRI
- Tribal Rights
- Tribes
- Trump
- Trump Administration
- TSA
- TSCA
- TSF
- TWDB
- U.S. Army Corps of Engineers
- Ultimate Net Loss
- UNCLOS
- Underground Injection Wells
- Underground Storage Tank
- UNFCCC
- Unified Agenda
- United Airlines
- United Nations
- United Nations Framework Convention on Climate Change
- Urgenda
- US Army Corps of Engineers
- US Chemical Safety Board
- US Climate Alliance
- US Court of Appeals for the Ninth Circuit
- US Customs and Border Protection
- US Department of Agriculture
- US Department of Justice (DOJ)
- US Environmental Protection Agency
- US Fish and Wildlife Service
- US FWS
- US SAFETY Act
- US Securities and Exchange Commission
- US Securities and Exchange Commission (SEC)
- US Supreme Court
- USACE
- USDA
- USDOT
- USFWS
- USMCA
- Utilities
- utility
- vapor intrusion
- Vapor Recovery Units
- VCP
- venting
- Veto
- Village of Old Mill Creek. v. Star
- Vineyard Wind
- Virginia Clean Economy Act
- Virginia Community Flood Preparedness Fund
- Virginia Department of Environmental Quality
- Virginia State Corporation Commission
- vision of Corporation Finance
- VOCs
- Volatile Organic Compounds
- Voluntary Cleanup Program
- Voluntary Remediation
- Waiver
- Waiver Period
- Warnings
- Washington
- Waste
- Waste Discharge Identification Number
- Waste Electrical and Electric Equipment
- Waste Permitting
- Wasted Food
- Wastewater
- Wastewater Treatment
- Water
- Water Quality Certification
- Water Quality Criteria
- Water Regulation
- Water Reuse
- Water Supply and Management
- Water Systems
- Waterfront
- Waters
- Waters of the United States
- WDID
- WEA
- WEEE
- Well Blowout
- Well Control Rule
- WET Tests
- Wetlands
- Whole Effluent Testing
- Wholesale Electricity
- WildEarth Guardians
- Wildfire
- Wind
- Wind Energy
- Wind Energy Area
- wind farms
- Winning on Reducing Food Waste Initiative
- Winter v. NRDC
- Withdrawal or Reinstatement
- World Bank Group Equator Principles
- Worst-Case Discharge
- WOTUS
- WQBELs
- WQC
- Wyoming
- Zero Emissions
- Zero-Emissions Vehicle Initiative
- Zinke
Authors
- Yaniel Abreu
- Elizabeth E. Aldridge
- Walter J. Andrews
- John J. Beardsworth, Jr.
- Nancy B. Beck, PhD, DABT
- Jordan L. Bernstein
- Timothy E. Biller
- George Borovas
- Lawrence J. Bracken II
- Shannon S. Broome
- Karma B. Brown
- Samuel L. Brown
- F. William Brownell
- Courtney Cochran Butler
- Julia J. Casciotti
- Michelle G. Chan
- E. Carter Chandler Clements
- Abigail Contreras
- Benjamin Y. Cooper IV
- Christopher J. Cunio
- Alexandra B. Cunningham
- Andrea DeField
- Meredith Doswell
- Douglas L. Dua
- Deidre G. Duncan
- Frederick R. Eames
- Clare Ellis
- Latosha M. Ellis
- Susan S. Failla
- Geoffrey B. Fehling
- Andrea Field
- Hannah Flint
- Steven C. Friend
- Kevin E. Gaunt
- Andrew G. Geyer
- Erin Grisby
- Elisabeth R. Gunther
- Steven M. Haas
- Alexandra Hamilton
- Patrick Jamieson
- Kevin W. Jones
- Dan J. Jordanger
- Ryan T. Ketchum
- Sami M. Khan
- Jonathan H. Kim
- Scott H. Kimpel
- Charles H. Knauss
- Garrett Kral
- J. Pierce Lamberson
- Lucinda Minton Langworthy
- Jaclyn E. Lee
- Matthew Z. Leopold
- Charlotte Leszinske
- Brian R. Levey
- Michael S. Levine
- Elbert Lin
- Eric R. Link
- Nash E. Long
- David S. Lowman, Jr.
- Phyllis H. Marcus
- Jeffrey N. Martin
- Lorelie S. Masters
- Patrick M. McDermott
- Kerry L. McGrath
- Robert J. McNamara
- Michael J. Messonnier, Jr.
- Jennifer MikoLevine
- Todd S. Mikolop
- Angela Morrison
- Michael J. Mueller
- Eric J. Murdock
- Ted J. Murphy
- William L. Newton
- Henry V. Nickel
- Paul T. Nyffeler, PhD
- Peter K. O’Brien
- G. Michael O’Leary
- Evangeline C. Paschal
- Kate Perkins
- Shemin V. Proctor
- Shawn Patrick Regan
- Myles F. Reynolds
- Doris Rodríguez
- Brent A. Rosser
- Christian Rudloff
- Rachel Saltzman
- Arthur E. Schmalz
- Penny A. Shamblin
- Michael R. Shebelskie
- George P. Sibley, III
- Joseph C. Stanko
- Martin P. Stratte
- Javaneh S. Tarter
- Thomas W. Taylor
- Patricia Tiller
- Linda Trees
- Andrew J. Turner
- Emily Burkhardt Vicente
- Gregory R. Wall
- Thomas R. Waskom
- Malcolm C. Weiss
- Michelle-Ann C. Williams
- Susan F. Wiltsie