Case: American Water Works Association, et al. v. EPA

24-01188 | U.S. Court of Appeals for the District of Columbia Circuit

Filed Date: June 7, 2024

Case Ongoing

Clearinghouse coding complete

Case Summary

In April 2024, during the Biden Administration, the EPA  finalized a National Primary Drinking Water Regulation setting legally enforceable maximum contaminant levels (MCLs) for six PFAS chemicals in public water systems, along with monitoring and reporting requirements.  Groups representing water utilities and industry (including the American Water Works Association, Association of Metropolitan Water Agencies, American Chemistry Council, and others) filed a petition in the D.C. Circuit Court o…

In April 2024, during the Biden Administration, the EPA  finalized a National Primary Drinking Water Regulation setting legally enforceable maximum contaminant levels (MCLs) for six PFAS chemicals in public water systems, along with monitoring and reporting requirements.  Groups representing water utilities and industry (including the American Water Works Association, Association of Metropolitan Water Agencies, American Chemistry Council, and others) filed a petition in the D.C. Circuit Court of Appeals to set aside this rule.  The challengers argued the EPA’s rule violated procedural and substantive requirements of the Safe Drinking Water Act (SDWA) and the Administrative Procedure Act (APA).

After the change in administration in 2025, the court stayed the litigation multiple times to give the EPA and the new administration time to reconsider aspects of the rule. The court removed the case from abeyance on December 1, 2025. Two days later, the EPA moved for partial vacatur  on the rule, marking a significant reverseal in the EPA's policy. The motion came following the  Trump Administration’s issuance of its first Unified Agenda, a semiannual public document which generally compiles all of the agency’s proposed, ongoing, and recently completed regulatory and deregulatory actions. The Agenda indicated the EPA's intention to issue a final rule withdrawing regulatory determinations for the four other PFAS.

This case is ongoing.

Summary Authors

Jinan Abufarha (12/18/2025)

Calvin OConnell (12/29/2025)

People

For PACER's information on parties and their attorneys, see: https://www.courtlistener.com/docket/68839326/parties/american-water-works-association-v-epa/


Documents in the Clearinghouse

No documents yet available via the Clearinghouse.

Docket

See docket on RECAP: https://www.courtlistener.com/docket/68839326/american-water-works-association-v-epa/

Last updated Sept. 2, 2026, 3:42 a.m.

Docket for: American Water Works Association v. EPA
ECF Number Date Description Link
June 7, 2024

PETITION FOR REVIEW CASE docketed. [24-1188] [Entered: 06/07/2024 05:14 PM]

1208630800 June 7, 2024

PETITION FOR REVIEW [2058535] of a decision by federal agency filed by American Water Works Association and Association of Metropolitan Water Agencies [Service Date: 06/07/2024 ] Disclosure Statement: Attached. [24-1188] [Entered: 06/07/2024 05:15 PM]

RECAP
1208630803 June 7, 2024

CERTIFIED COPY [2058537] of Petition for Review sent to respondent [2058535-2] [24-1188] [Entered: 06/07/2024 05:15 PM]

RECAP
1208630812 June 7, 2024

CLERK'S ORDER [2058539] filed directing party to file initial submissions: PETITIONER docketing statement due 07/08/2024. PETITIONER certificate as to parties due 07/08/2024. PETITIONER statement of issues due 07/08/2024. PETITIONER underlying decision due 07/08/2024. PETITIONER deferred appendix statement due 07/08/2024. PETITIONER procedural motions due 07/08/2024. PETITIONER dispositive motions due 07/22/2024; directing party to file initial submissions: RESPONDENT entry of appearance due 07/08/2024. RESPONDENT procedural motions due 07/08/2024. RESPONDENT certified index to record due 07/22/2024. RESPONDENT dispositive motions due 07/22/2024 [24-1188] [Entered: 06/07/2024 05:18 PM]

RECAP
1208631112 June 10, 2024

ENTRY OF APPEARANCE [2058694] filed by Andrew D. Knudsen on behalf of Respondents EPA and Michael S. Regan. [24-1188] (Knudsen, Andrew) [Entered: 06/10/2024 11:59 AM]

RECAP
1208631428 June 10, 2024

CLERK'S ORDER [2058852] filed consolidating case 24-1191 (Consolidation started 06/10/2024) with 24-1188; directing parties to file in 24-1191 initial submissions: PETITIONER docketing statement due 07/10/2024. PETITIONER statement of issues due 07/10/2024 [24-1188, 24-1191] [Entered: 06/10/2024 04:21 PM]

RECAP
1208632316 June 12, 2024

CLERK'S ORDER [2059369] filed consolidating case 24-1192 (Consolidation started 06/12/2024) with 24-1188; directing party to file in 24-1192 initial submissions: PETITIONER docketing statement due 07/12/2024. PETITIONER statement of issues due 07/12/2024 [24-1188, 24-1191, 24-1192] [Entered: 06/12/2024 12:34 PM]

RECAP
1208637755 June 27, 2024

ENTRY OF APPEARANCE [2062076] filed by Kimere J. Kimball on behalf of Respondents EPA and Michael S. Regan in 24-1188, 24-1191, 24-1192. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 06/27/2024 04:40 PM]

RECAP
1208638075 June 28, 2024

MOTION [2062232] for leave to intervene [Disclosure Listing: Attached] filed by Buxmont Coalition for Safe Water et al. [Service Date: 06/28/2024 ] [24-1188, 24-1191, 24-1192] [Edited 07/01/2024 by EKC] (O'Brien, Katherine) [Entered: 06/28/2024 02:09 PM]

RECAP
1208638079 June 28, 2024

MOTION [2062233] for leave to intervene [Disclosure Listing: Attached] filed by Natural Resources Defense Council [Service Date: 06/28/2024 ] [24-1188, 24-1191, 24-1192] [Edited 07/01/2024 by EKC] (Thompson, Jared) [Entered: 06/28/2024 02:13 PM]

RECAP
1208640385 July 8, 2024

DOCKETING STATEMENT [2063356] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/08/2024 ] [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 07/08/2024 12:53 PM]

RECAP
1208640396 July 8, 2024

UNDERLYING DECISION IN CASE [2063362] submitted by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/08/2024 ] [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 07/08/2024 12:55 PM]

RECAP
1208640399 July 8, 2024

CERTIFICATE AS TO PARTIES, RULINGS AND RELATED CASES [2063364] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/08/2024 ] [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 07/08/2024 12:58 PM]

RECAP
1208640405 July 8, 2024

STATEMENT OF ISSUES [2063366] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/08/2024 ] [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 07/08/2024 12:59 PM]

RECAP
1208640408 July 8, 2024

STATEMENT OF INTENT REGARDING APPENDIX DEFERRAL [2063367] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/08/2024 ] Intent: AppxDeferred [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 07/08/2024 01:01 PM]

RECAP
1208641595 July 10, 2024

DOCKETING STATEMENT [2064058] filed by National Association of Manufacturers and American Chemistry Council in 24-1191 [Service Date: 07/10/2024 ] [24-1191, 24-1188, 24-1192] (Kimberly, Michael) [Entered: 07/10/2024 03:07 PM]

RECAP
1208641598 July 10, 2024

STATEMENT OF ISSUES [2064059] filed by National Association of Manufacturers and American Chemistry Council in 24-1191 [Service Date: 07/10/2024 ] [24-1191, 24-1188, 24-1192] (Kimberly, Michael) [Entered: 07/10/2024 03:09 PM]

RECAP
1208641911 July 11, 2024

DOCKETING STATEMENT [2064226] filed by The Chemours Company FC, LLC in 24-1192 [Service Date: 07/11/2024 ] [24-1192, 24-1188, 24-1191] (Kedem, Allon) [Entered: 07/11/2024 02:48 PM]

RECAP
1208641914 July 11, 2024

STATEMENT OF ISSUES [2064227] filed by The Chemours Company FC, LLC in 24-1192 [Service Date: 07/11/2024 ] [24-1192, 24-1188, 24-1191] (Kedem, Allon) [Entered: 07/11/2024 02:50 PM]

RECAP
1208641917 July 11, 2024

CERTIFICATE AS TO PARTIES, RULINGS AND RELATED CASES [2064228] filed by The Chemours Company FC, LLC in 24-1192 [Service Date: 07/11/2024 ] [24-1192, 24-1188, 24-1191] (Kedem, Allon) [Entered: 07/11/2024 02:53 PM]

RECAP
1208641920 July 11, 2024

STATEMENT OF INTENT REGARDING APPENDIX DEFERRAL [2064230] filed by The Chemours Company FC, LLC in 24-1192 [Service Date: 07/11/2024 ] Intent: AppxDeferred [24-1192, 24-1188, 24-1191] (Kedem, Allon) [Entered: 07/11/2024 02:55 PM]

RECAP
1208645124 July 22, 2024

CERTIFIED INDEX TO RECORD [2065850] filed by EPA and Michael S. Regan in 24-1188, 24-1191, 24-1192 [Service Date: 07/22/2024 ] [24-1188, 24-1191, 24-1192] (Knudsen, Andrew) [Entered: 07/22/2024 05:45 PM]

RECAP
1208645426 July 23, 2024

CLERK'S ORDER [2066003] filed granting motion for leave to intervene [2062232-2], granting motion for leave to intervene [2062233-2] [24-1188, 24-1191, 24-1192] [Entered: 07/23/2024 12:37 PM]

RECAP
1208645964 July 24, 2024

CLERK'S ORDER [2066252] filed directing party to file briefing format - Proposed formats due 08/21/2024 [24-1188, 24-1191, 24-1192] [Entered: 07/24/2024 01:36 PM]

RECAP
1208651360 Aug. 9, 2024

NOTICE [2069131] of intention to participate as amicus curiae [Disclosure Listing: Not Applicable to this Party] filed by State of Connecticut [Service Date: 08/09/2024 ] [24-1188, 24-1191, 24-1192] [Edited 08/09/2024 by EKC] (Levine, Matthew) [Entered: 08/09/2024 09:50 AM]

RECAP
1208653985 Aug. 16, 2024

JOINT MOTION [2070570] concerning briefing format filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 (Service Date: 08/16/2024 by CM/ECF NDA) Length Certification: 3545 words. [24-1188, 24-1191, 24-1192] (Tenpas, Ronald) [Entered: 08/16/2024 04:45 PM]

RECAP
1208658269 Sept. 3, 2024

PER CURIAM ORDER [2072754] filed ORDERED that the following briefing format and schedule will apply in these consolidated cases: Opening Brief for Petitioners in No. 24-1188 due 10/07/2024. Opening Brief for Petitioners in Nos. 24-1191 & 24-1192 due 10/07/2024. Respondents’ Brief due on 12/23/2024. Brief of Respondent-Intervenors due 01/17/2025. Reply Brief for Petitioners in No. 24-1188 due 02/25/2025. Reply Brief for Petitioners in Nos. 24-1191 & 24-1192 due 02/25/2025. Deferred Appendix due 03/11/2025. Final Briefs due 03/25/2025 (SEE ORDER FOR MORE DETAILS). Before Judges: Wilkins, Rao and Walker. [24-1188, 24-1191, 24-1192] [Entered: 09/03/2024 10:52 AM]

2 Notice sent

View on PACER

1 Order Sent

View on RECAP

1208669113 Oct. 7, 2024

MOTION [2078586] for entry of protective order filed by EPA and Michael S. Regan (Service Date: 10/07/2024 by CM/ECF NDA) Length Certification: 812 words. [24-1188] (Knudsen, Andrew) [Entered: 10/07/2024 12:30 PM]

1 Motion Filed

View on PACER

2 Exhibit 1 - Text of Proposed Protective Order

View on PACER

3 Exhibit 2 - Cherokee Concerned Citizens v. EPA

View on PACER

4 Exhibit 3 - Alaska Community Action on Toxics v. EPA

View on PACER

5 Exhibit 4 - Alaska v. EPA

View on PACER

1208669377 Oct. 7, 2024

PETITIONER BRIEF [2078731] filed by National Association of Manufacturers and American Chemistry Council in 24-1191, The Chemours Company FC, LLC in 24-1192 [Service Date: 10/07/2024 ] Length of Brief: 12,994. [24-1188, 24-1191, 24-1192] (Kimberly, Michael) [Entered: 10/07/2024 07:26 PM]

RECAP
1208669386 Oct. 7, 2024

PETITIONER BRIEF [2078734] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 10/07/2024 ] Length of Brief: 12,906. [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 10/07/2024 10:06 PM]

RECAP
1208669389 Oct. 7, 2024

SEPARATE STATUTORY ADDENDUM [2078735] to Appellant/Petitioner brief [2078734-2] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date:10/07/2024 ] [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 10/07/2024 10:09 PM]

RECAP
1208671747 Oct. 15, 2024

MOTION [2080015] to participate as amicus curiae [Disclosure Listing: Attached] filed by Chamber of Commerce of the United States of America [Service Date: 10/15/2024 ] [24-1188, 24-1191, 24-1192] (Lin, Elbert) [Entered: 10/15/2024 06:58 PM]

RECAP
1208672059 Oct. 16, 2024

AMICUS FOR PETITIONER BRIEF [2080190] lodged by Chamber of Commerce of the United States of America [Service Date: 10/16/2024 ] Length of Brief: 5,769 Words. [24-1188, 24-1191, 24-1192] [Edited 10/17/2024 by EKC--MODIFIED EVENT FROM FILED TO LODGED] (Lin, Elbert) [Entered: 10/16/2024 02:13 PM]

RECAP
1208676784 Oct. 29, 2024

CLERK'S ORDER [2082644] filed granting the motion of the Chamber of Commerce of the United States of America for leave to participate as amicus curiae in support of petitioners [2080015-2]; The Clerk is directed to file the lodged Amicus brief [2080190-2] [24-1188, 24-1191, 24-1192] [Entered: 10/29/2024 03:43 PM]

RECAP
Oct. 29, 2024

PER ABOVE ORDER lodged Amicus brief [2080190-2] is filed [24-1188, 24-1191, 24-1192] [Entered: 10/30/2024 10:04 AM]

1208681212 Nov. 14, 2024

UNOPPOSED MOTION [2084949] to extend time to file brief to 01/17/2025 filed by State of Connecticut in 24-1188 [Service Date: 11/14/2024 ] Length Certification: 620 Words. [24-1188, 24-1191, 24-1192] (Levine, Matthew) [Entered: 11/14/2024 03:59 PM]

RECAP
1208683624 Nov. 22, 2024

MOTION [2086232] to participate as amicus curiae [Disclosure Listing: Attached] filed by CENTER FOR ENVIRONMENTAL HEALTH, CAPE FEAR RIVER WATCH, TOXIC FREE NC, HARPER PETERSON, MICHAEL WATTERS [Service Date: 11/22/2024 ] [24-1188, 24-1191, 24-1192]--[Edited 11/22/2024 by EKC] (Sussman, Robert) [Entered: 11/22/2024 12:17 PM]

RECAP
1208685247 Nov. 27, 2024

CLERK'S ORDER [2087080] filed granting the motion of amicus curiae State of Connecticut to extend time to file its brief in support of respondents [2084949-2], The brief of amicus curiae State of Connecticut is due 01/17/2025. [24-1188, 24-1191, 24-1192] [Entered: 11/27/2024 12:17 PM]

RECAP
1208686764 Dec. 4, 2024

CLERK'S ORDER [2087891] filed granting the unopposed motion Center for Environmental Health, Cape Fear River Watch, Toxic Free North Carolina, Harper Peterson, and Michael Watters for leave to file a brief as amici curiae in support of respondents [2086232-2], The brief of amici curiae is now due 01/17/2025. [24-1188, 24-1191, 24-1192] [Entered: 12/04/2024 12:22 PM]

RECAP
1208688451 Dec. 10, 2024

PER CURIAM ORDER [2088792] filed ORDERED that the motion [2078586-2] be granted and that the protective order be entered. Before Judges: Katsas, Childs and Garcia. [24-1188, 24-1191, 24-1192] [Entered: 12/10/2024 10:23 AM]

RECAP
1208688454 Dec. 10, 2024

PER CURIAM PROTECTIVE ORDER [2088795] filed for entry of protective order. Before Judges: Katsas, Childs and Garcia. [24-1188, 24-1191, 24-1192] [Entered: 12/10/2024 10:27 AM]

RECAP
1208689116 Dec. 11, 2024

MOTION [2089133] to extend time to file amicus brief to 01/17/2025 filed by Individual Scientists (Service Date: 12/11/2024 by US Mail) Length Certification: 552 words. [24-1188, 24-1191, 24-1192]--[Edited 12/11/2024 by EKC] (Benavides, Marissa) [Entered: 12/11/2024 12:51 PM]

RECAP
1208693198 Dec. 23, 2024

RESPONDENT BRIEF [2091318] filed by EPA and Michael S. Regan in 24-1188, 24-1191, 24-1192 [Service Date: 12/23/2024 ] Length of Brief: 25,699 words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 12/23/2024 05:13 PM]

RECAP
1208693201 Dec. 23, 2024

SEPARATE STATUTORY ADDENDUM [2091319] to Appellee/Respondent brief [2091318-2] filed by EPA and Michael S. Regan in 24-1188, 24-1191, 24-1192 [Service Date:12/23/2024 ] [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 12/23/2024 05:15 PM]

RECAP
1208693646 Dec. 26, 2024

CLERK'S ORDER [2091530] filed granting the unopposed motion of Scientist Amici to extend time to file its brief in support of respondents [2089133-2], The brief of Scientist Amici is due 01/17/2025. [24-1188, 24-1191, 24-1192] [Entered: 12/26/2024 04:19 PM]

RECAP
1208699832 Jan. 17, 2025

AMICUS FOR RESPONDENT BRIEF [2094668] filed by Cape Fear River Watch, Center for Environmental Health, Harper Peterson, Toxic Free North Carolina and Michael Watters in 24-1188 CENTER FOR ENVIRONMENTAL HEALTH, CAPE FEAR RIVER WATCH, TOXIC FREE NC, NORTH CAROLINA STOP GENX IN OUR WATER, HARPER PETERSON, MICHAEL WATTERS, DEBRA STEWART, JANE JACOBS, LOVELL PIERCE, JR. [Service Date: 01/17/2025 ] Length of Brief: 6498 words. [24-1188, 24-1191, 24-1192] (Sussman, Robert) [Entered: 01/17/2025 07:47 AM]

RECAP
1208700062 Jan. 17, 2025

NOTICE [2094795] of intention to participate as amicus curiae [Disclosure Listing: Previously Filed] filed by Stop GenX in our Water, Debra Stewart, Jane Jacobs and Lovell Pierce, Jr [Service Date: 01/17/2025 ] [24-1188, 24-1191, 24-1192]--[Edited 01/17/2025 by EKC] (Sussman, Robert) [Entered: 01/17/2025 01:03 PM]

RECAP
1208700163 Jan. 17, 2025

INTERVENOR FOR RESPONDENT BRIEF [2094834] filed by Buxmont Coalition for Safe Water, Clean Cape Fear, Clean Haw River, Concerned Citizens of WMEL Water Authority Grassroots, Environmental Justice Task Force, Fight for Zero, Merrimack Citizens for Clean Water, Natural Resources Defense Council and Newburgh Clean Water Project in 24-1188 [Service Date: 01/17/2025 ] Length of Brief: 9,100 words. [24-1188, 24-1191, 24-1192] (O'Brien, Katherine) [Entered: 01/17/2025 02:16 PM]

RECAP
1208700166 Jan. 17, 2025

SEPARATE STATUTORY ADDENDUM [2094836] to Intervenor brief [2094834-2] filed by Buxmont Coalition for Safe Water, Clean Cape Fear, Clean Haw River, Concerned Citizens of WMEL Water Authority Grassroots, Environmental Justice Task Force, Fight for Zero, Merrimack Citizens for Clean Water, Natural Resources Defense Council and Newburgh Clean Water Project in 24-1188 [Service Date:01/17/2025 ] [24-1188, 24-1191, 24-1192] (O'Brien, Katherine) [Entered: 01/17/2025 02:18 PM]

RECAP
1208700241 Jan. 17, 2025

AMICUS FOR RESPONDENT BRIEF [2094874] filed by State of Connecticut in 24-1188 on behalf of itself and seventeen other State Amici [Service Date: 01/17/2025 ] Length of Brief: 6,425 words. [24-1188, 24-1191, 24-1192] (Kelly, Christopher) [Entered: 01/17/2025 03:22 PM]

RECAP
1208700248 Jan. 17, 2025

SEPARATE STATUTORY ADDENDUM [2094877] to Amicus brief [2094874-2] filed by State of Connecticut in 24-1188 [Service Date:01/17/2025 ] [24-1188, 24-1191, 24-1192] (Kelly, Christopher) [Entered: 01/17/2025 03:24 PM]

RECAP
1208700561 Jan. 17, 2025

AMICUS FOR RESPONDENT BRIEF [2094993] lodged by Scientist Amici in 24-1188, 24-1191, 24-1192 [Service Date: 01/17/2025 ] Length of Brief: 7921. [24-1188, 24-1191, 24-1192][Edited 01/21/2025 by EKC--MODIFIED EVENT FROM FILED TO LODGED] (Benavides, Marissa) [Entered: 01/17/2025 11:59 PM]

RECAP
1208700616 Jan. 20, 2025

ERRATA [2095009] filed by Scientist Amici in 24-1188, 24-1191, 24-1192 to Amicus brief [2094993-2] . Reason for errata: Amici's initial brief submission inadvertently did not include a motion for leave to file an amici curiae brief. Amici also inadvertently submitted an overlong brief. Amici's motion and corrected brief are attached herein. [Service Date: 01/20/2025 ] [24-1188, 24-1191, 24-1192] (Benavides, Marissa) [Entered: 01/20/2025 11:51 AM]

RECAP
1208700692 Jan. 21, 2025

MOTION [2095041] for leave to file brief filed by Scientist Amici in 24-1192 (Service Date: 01/21/2025 by CM/ECF NDA) Length Certification: 811 words. [24-1188, 24-1191, 24-1192]--[Edited 01/21/2025 by EKC] (Benavides, Marissa) [Entered: 01/21/2025 08:15 AM]

RECAP
1208700701 Jan. 21, 2025

AMICUS FOR RESPONDENT BRIEF [2095046] lodged by Linda S. Birnbaum, Ph.D., Jamie DeWitt, Ph.D., Rainer Lohmann, Ph.D. and Jennifer Schlezinger, Ph.D. [Service Date: 01/21/2025 ] Length of Brief: 6,498 words. [24-1188, 24-1191, 24-1192]--[Edited 01/21/2025 by EKC] (Benavides, Marissa) [Entered: 01/21/2025 08:19 AM]

RECAP
1208701025 Jan. 21, 2025

ERRATA [2095238] filed by State of Connecticut in 24-1188 to Amicus brief [2094874-2] . Reason for errata: State Amici's Separate Statutory and Regulatory Addendum inadvertently included unnecessary pages. Corrected addendum is attached herein.. [Service Date: 01/21/2025 ] [24-1188, 24-1191, 24-1192] (Kelly, Christopher) [Entered: 01/21/2025 01:42 PM]

RECAP
1208701053 Jan. 21, 2025

SEPARATE STATUTORY ADDENDUM [2095259] to Amicus brief [2094874-2] filed by State of Connecticut in 24-1188 [Service Date:01/21/2025 ] [24-1188, 24-1191, 24-1192] (Kelly, Christopher) [Entered: 01/21/2025 02:10 PM]

RECAP
1208708466 Feb. 7, 2025

UNOPPOSED MOTION [2099439] to hold case in abeyance filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 Length Certification: 711 Words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 02/07/2025 12:32 PM]

RECAP
1208708887 Feb. 7, 2025

CLERK'S ORDER [2099657] filed granting motion of Linda Birnbaum, Ph.D., Jamie DeWitt, Ph.D., Rainer Lohmann, Ph.D., and Jennifer Schlezinger, Ph.D. for leave to file brief amici curiae in support of respondents [2095041-3], The Clerk is directed to file lodged Amicus brief [2095046-3]. [24-1188, 24-1191, 24-1192] [Entered: 02/07/2025 10:23 PM]

RECAP
Feb. 7, 2025

PER ABOVE ORDER lodged Amicus brief [2095046-3] is filed [24-1188, 24-1191, 24-1192] [Entered: 02/11/2025 09:40 AM]

1208708890 Feb. 7, 2025

CLERK'S ORDER [2099658] filed granting respondents' unopposed motion to hold case in abeyance [2099439-2]. Cases 24-1188, et al. held in abeyance pending further order of the court; directing respondent to file motions to govern future proceedings by 04/08/2025. [24-1188, 24-1191, 24-1192] [Entered: 02/07/2025 10:28 PM]

RECAP
1208727998 April 8, 2025

CONSENT MOTION [2109880] to hold case in abeyance filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 (Service Date: 04/08/2025 by CM/ECF NDA) Length Certification: 601 Words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 04/08/2025 02:43 PM]

RECAP
1208728792 April 10, 2025

CLERK'S ORDER [2110289] filed granting respondents' unopposed motion to continue to hold case in abeyance [2109880-2].; directing respondents to file motions to govern future proceedings by 05/12/2025. [24-1188, 24-1191, 24-1192] [Entered: 04/10/2025 10:44 AM]

RECAP
1208730380 April 15, 2025

MOTION [2111115] to participate as amicus curiae [Disclosure Listing: Attached] filed by Toxicology Excellence for Risk Assessment and International Society for Regulatory Toxicology and Pharmacology. [Service Date: 04/15/2025 ] [24-1188, 24-1191, 24-1192] (Elliott, Edwin) [Entered: 04/15/2025 09:33 AM]

RECAP
1208730392 April 15, 2025

AMICUS FOR PETITIONER BRIEF [2111121] lodged by Toxicology Excellence for Risk Assessment and International Society for Regulatory Toxicology and Pharmacology. [Service Date: 04/15/2025 ] Length of Brief: 6,082 words, 588 Lines. [24-1188, 24-1191, 24-1192] [Edited 04/15/2025 by EKC--MODIFIED EVENT FROM FILED TO LODGED] (Elliott, Edwin) [Entered: 04/15/2025 09:50 AM]

RECAP
1208731602 April 18, 2025

AMICUS FOR PETITIONER BRIEF [2111735] lodged by (Paustenbach & Associates). [Service Date: 04/18/2025 ] Length of Brief: 69 pages. [24-1188, 24-1191, 24-1192] [Edited 04/18/2025 by EKC--MODIFIED EVENT FROM FILED TO LODGED] (Redmond, Robert) [Entered: 04/18/2025 12:55 PM]

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April 18, 2025

[WITHDRAWN BY CLERK'S ORDER ON 7/22/25]--AMICUS FOR PETITIONER BRIEF 2111735 lodged by (Paustenbach & Associates). [Service Date: 04/18/2025 ] Length of Brief: 69 pages. [24-1188, 24-1191, 24-1192]--[Edited 07/22/2025 by MCM] (Redmond, Robert) [Entered: 04/18/2025 12:55 PM]

1208732115 April 21, 2025

RESPONSE IN OPPOSITION [2111981] to motion to participate as amicus curiae [2111115-2] filed by Buxmont Coalition for Safe Water, Clean Cape Fear, Clean Haw River, Concerned Citizens of WMEL Water Authority Grassroots, Environmental Justice Task Force, Fight for Zero, Merrimack Citizens for Clean Water, Newburgh Clean Water Project and Natural Resources Defense Council in 24-1188 [Service Date: 04/21/2025 by CM/ECF NDA] Length Certification: 2,746 words. [24-1188, 24-1191, 24-1192] (O'Brien, Katherine) [Entered: 04/21/2025 04:58 PM]

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1208733718 April 25, 2025

REPLY [2112883] filed by International Society of Regulatory Toxicology and Pharmacology and Toxicology Excellance for Risk Assessment in 24-1188 to response [2111981-2] [Service Date: 04/25/2025 by CM/ECF NDA] Length Certification: 484 Words. [24-1188, 24-1191, 24-1192] (Elliott, Edwin) [Entered: 04/25/2025 11:56 AM]

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1208737047 May 6, 2025

UNOPPOSED MOTION [2114625] to withdraw brief filed by Paustenbach & Associates in 24-1188 [Service Date: 05/06/2025 ] Length Certification: This document complies with the word limit of Federal Rule of Appellate Procedure 27(d)(2)(A) because, excluding the parts of the document exempted by Federal Rule of Appellate Procedure 32(f), this document contains 28 words.. [24-1188, 24-1191, 24-1192] (Redmond, Robert) [Entered: 05/06/2025 04:47 PM]

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1208738695 May 12, 2025

UNOPPOSED MOTION [2115469] to hold case in abeyance filed by EPA and Lee M. Zeldin [Service Date: 05/12/2025 ] Length Certification: 484 words. [24-1188] (Knudsen, Andrew) [Entered: 05/12/2025 05:16 PM]

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1208739422 May 14, 2025

CLERK'S ORDER [2115832] filed granting respondents' unopposed motion to continue to hold cases in abeyance [2115469-2] in 24-1188.; directing respondents to file motions to govern future proceedings by 06/04/2025. [24-1188, 24-1191, 24-1192] [Entered: 05/14/2025 06:12 PM]

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1208745664 June 4, 2025

UNOPPOSED MOTION [2119087] to hold case in abeyance filed by EPA and Lee M. Zeldin [Service Date: 06/04/2025 ] Length Certification: 835 words. [24-1188] (Knudsen, Andrew) [Entered: 06/04/2025 02:36 PM]

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1208746176 June 5, 2025

CLERK'S ORDER [2119400] filed granting respondents' unopposed motion to continue to hold cases in abeyance [2119087-2]; directing respondents to file motions to govern future proceedings by 07/21/2025 [24-1188, 24-1191, 24-1192] [Entered: 06/05/2025 02:34 PM]

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1208750913 June 24, 2025

ENTRY OF APPEARANCE [2122026] filed by Tobias S. Loss-Eaton and co-counsel Gordon D. Todd on behalf of Petitioners American Chemistry Council and National Association of Manufacturers in 24-1191. [24-1191, 24-1188, 24-1192] (Loss-Eaton, Tobias) [Entered: 06/24/2025 08:57 AM]

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1208756189 July 10, 2025

NOTICE [2124758] to withdraw attorney Ronald J. Tenpas who represented American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 07/10/2025 ] [24-1188, 24-1191, 24-1192] (Tenpas, Ronald) [Entered: 07/10/2025 03:17 PM]

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1208759548 July 21, 2025

UNOPPOSED MOTION [2126542] to govern future proceedings filed by EPA and Lee M. Zeldin [Service Date: 07/21/2025 ] Length Certification: 725 words. [24-1188] (Knudsen, Andrew) [Entered: 07/21/2025 05:35 PM]

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1208759940 July 22, 2025

CLERK'S ORDER [2126755] filed granting respondents' motion to govern future proceedings [2126542-2] removing cases from abeyance; directing parties to submit proposed schedule and format for completion of briefing by 08/21/2025; granting the consent motion of amicus curiae Paustenbach & Associates to withdraw its brief in support of petitioners filed April 18, 2025. [2114625-2] [24-1188, 24-1191, 24-1192] [Entered: 07/22/2025 04:13 PM]

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1208761158 July 25, 2025

NOTICE [2127396] to withdraw attorney Andrew Duncan Knudsen who represented EPA and Lee M. Zeldin in 24-1188, EPA and Lee M. Zeldin in 24-1191 and EPA and Lee M. Zeldin in 24-1192 filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 [Service Date: 07/25/2025 ] [24-1188, 24-1191, 24-1192] (Knudsen, Andrew) [Entered: 07/25/2025 06:17 PM]

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1208763020 Aug. 1, 2025

JOINT UNOPPOSED MOTION [2128362] to govern future proceedings filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 [Service Date: 08/01/2025 ] Length Certification: 536 words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 08/01/2025 12:39 PM]

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1208764478 Aug. 7, 2025

CLERK'S ORDER [2129115] filed considering the joint motion to govern future proceedings [2128362-2]; directing parties to file motions to govern future proceedings by 09/10/2025. [24-1188, 24-1191, 24-1192] [Entered: 08/07/2025 01:43 PM]

RECAP
1208774411 Sept. 10, 2025

JOINT UNOPPOSED MOTION [2134361] to govern future proceedings filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 [Service Date: 09/10/2025 ] Length Certification: 496 words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 09/10/2025 07:56 PM]

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1208774759 Sept. 11, 2025

MOTION [2134523] to vacate filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 (Service Date: 09/11/2025 by CM/ECF NDA) Length Certification: 4,704 Words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 09/11/2025 06:15 PM]

1 Motion Filed

View on RECAP

2 Exhibit

View on RECAP

1208774900 Sept. 12, 2025

CLERK'S ORDER [2134580] filed considering motion to govern future proceedings [2134361-2]; directing party to file briefing format - Proposed formats due 09/12/2025 [24-1188, 24-1191, 24-1192] [Entered: 09/12/2025 09:52 AM]

RECAP
1208775188 Sept. 12, 2025

JOINT UNOPPOSED MOTION [2134741] concerning briefing format filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 09/12/2025 ] Length Certification: 787. [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 09/12/2025 05:04 PM]

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1208775981 Sept. 16, 2025

CLERK'S ORDER [2135130] filed directing response to motion for partial vacatur [2134523-2]. Responses to motion for partial vacatur due 09/26/2025. Respondents' consolidated reply in support of the motion for partial vacatur due on 10/10/2025. Other parties' responses to motions for affirmative relief related to the motion for partial vacatur due on 10/10/2025. Replies in support of motions for affirmative relief related to the motion for partial vacatur due 10/22/2025 [24-1188, 24-1191, 24-1192] [Entered: 09/16/2025 12:39 PM]

RECAP
1208779837 Sept. 26, 2025

UNOPPOSED MOTION [2137231] for reconsideration of order [2135130-2] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 09/26/2025 ] Length Certification: 1,935 words. [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 09/26/2025 10:52 AM]

RECAP
1208780113 Sept. 26, 2025

RESPONSE IN SUPPORT [2137385] to motion to vacate [2134523-2] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 09/26/2025 by CM/ECF NDA] Length Certification: 5,059 Words. [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 09/26/2025 04:53 PM]

RECAP
1208780147 Sept. 26, 2025

RESPONSE IN SUPPORT [2137406] to motion to vacate [2134523-2] filed by American Chemistry Council and National Association of Manufacturers in 24-1191, The Chemours Company FC, LLC in 24-1192 [Service Date: 09/26/2025 by CM/ECF NDA] Length Certification: 2,786 Words. [24-1188, 24-1191, 24-1192] (Loss-Eaton, Tobias) [Entered: 09/26/2025 06:32 PM]

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1208780165 Sept. 26, 2025

RESPONSE IN OPPOSITION [2137412] to motion to vacate [2134523-2] combined with a MOTION for leave to file brief filed by Buxmont Coalition for Safe Water, Clean Cape Fear, Clean Haw River, Concerned Citizens of WMEL Water Authority Grassroots, Environmental Justice Task Force, Fight for Zero, Merrimack Citizens for Clean Water, Natural Resources Defense Council and Newburgh Clean Water Project in 24-1188 [Service Date: 09/26/2025 by CM/ECF NDA] Length Certification: 7,793 words. [24-1188, 24-1191, 24-1192] (O'Brien, Katherine) [Entered: 09/26/2025 09:19 PM]

RECAP
1208781574 Oct. 1, 2025

UNOPPOSED MOTION [2138110] to hold case in abeyance filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 [Service Date: 10/01/2025 ] Length Certification: 422 Words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 10/01/2025 12:41 PM]

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1208782627 Oct. 3, 2025

CLERK'S ORDER [2138691] filed granting respondents' unopposed motion for a stay of proceedings in light of lapse of appropriations [2138110-2]. Holding cases in held in abeyance pending further order of the court. The parties are directed to file motions to govern further proceedings in this case within 10 days of the date that appropriations are restored and the Department of Justice attorneys are permitted to resume their usual civil litigation functions. [24-1188, 24-1191, 24-1192] [Entered: 10/03/2025 02:44 PM]

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1208798838 Nov. 24, 2025

JOINT UNOPPOSED MOTION [2147042] to govern future proceedings filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 [Service Date: 11/24/2025 ] Length Certification: 164 words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 11/24/2025 07:40 PM]

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1208800205 Dec. 1, 2025

CLERK'S ORDER [2147732] filed removing case from abeyance; granting motion to govern future proceedings [2147042-2]; EPA's reply in support of motion for partial vacatur and response to motion for leave to file [2137412-2] and petitioners' response to motion for leave to file are now due 12/03/2025; respondent-intervenors' reply to response is due 12/17/2025; dismissing in part as moot motion concerning briefing format [2134741-2]; dismissing as moot motion for reconsideration [2137231-2] [24-1188, 24-1191, 24-1192] [Entered: 12/01/2025 11:07 AM]

RECAP
1208801661 Dec. 3, 2025

REPLY [2148446] filed by EPA and Lee M. Zeldin in 24-1188, 24-1191, 24-1192 to response and RESPONSE IN OPPOSITION filed to Cross Motion [2137412-2] [Service Date: 12/03/2025 by CM/ECF NDA] Length Certification: 5,198 Words. [24-1188, 24-1191, 24-1192] (Kimball, Kimere) [Entered: 12/03/2025 03:30 PM]

RECAP
1208801816 Dec. 3, 2025

RESPONSE IN OPPOSITION [2148506] to motion [2137412-2] filed by American Water Works Association and Association of Metropolitan Water Agencies in 24-1188 [Service Date: 12/03/2025 by CM/ECF NDA] Length Certification: 3,959 words. [24-1188, 24-1191, 24-1192] (Snow, Corinne) [Entered: 12/03/2025 05:46 PM]

RECAP
1208801834 Dec. 3, 2025

RESPONSE IN OPPOSITION [2148510] to motion for leave to file [2137412-2] filed by American Chemistry Council and National Association of Manufacturers in 24-1191 [Service Date: 12/03/2025 by CM/ECF NDA] Length Certification: 673 words. [24-1191, 24-1188, 24-1192] (Loss-Eaton, Tobias) [Entered: 12/03/2025 08:03 PM]

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1208806167 Dec. 17, 2025

REPLY [2150809] filed by Buxmont Coalition for Safe Water, Clean Cape Fear, Clean Haw River, Concerned Citizens of WMEL Water Authority Grassroots, Environmental Justice Task Force, Fight for Zero, Merrimack Citizens for Clean Water, Natural Resources Defense Council and Newburgh Clean Water Project in 24-1188 to response [2148510-2], [2148506-2], [2148446-2], [2148446-3] [Service Date: 12/17/2025 by CM/ECF NDA] Length Certification: 2,594 words. [24-1188, 24-1191, 24-1192] (O'Brien, Katherine) [Entered: 12/17/2025 10:47 AM]

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1208814836 Jan. 21, 2026

PER CURIAM ORDER [2155270] filed ORDERED that the motion for leave to participate as amicus curiae [2111115-2] be denied as untimely. It is FURTHER ORDERED that the motion for partial vacatur [2134523-2] be denied. It is FURTHER ORDERED that the motion for leave to file a revised and expanded intervenor brief [2137412-2] be denied. Respondents are directed to file, concurrently with their final brief, a notice informing the court of the portions of that brief, if any, that respondents no longer advance. It is FURTHER ORDERED, on the court’s own motion, that the following revised schedule will now apply for the remainder of briefing in these consolidated cases: Reply Briefs for Petitioners due 02/20/2026. Deferred Appendix due 02/27/2026. Final Briefs due 03/06/2026. Respondents’ Notice due 03/06/2026. Before Judges: Millett, Pan and Garcia. [24-1188, 24-1191, 24-1192] [Entered: 01/21/2026 04:50 PM]

RECAP
1208815956 Jan. 23, 2026

MOTION [2155834] to exceed word limits in brief filed by National Association of Manufacturers and American Chemistry Council in 24-1191, The Chemours Company FC, LLC in 24-1192 (Service Date: 01/23/2026 by CM/ECF NDA) Length Certification: 555 Words. [24-1188, 24-1191, 24-1192] (Loss-Eaton, Tobias) [Entered: 01/23/2026 04:17 PM]

RECAP

Case Details

State / Territory:

- United States (national) -

Case Type(s):

Environmental Justice

Special Collection(s):

Trump Administration 2.0: Reversing Course on Existing Litigation

Key Dates

Filing Date: June 7, 2024

Case Ongoing: Yes

Plaintiffs

Plaintiff Description:

The petitioners are a group of industry actors.

Plaintiff Type(s):

Private Plaintiff

Public Interest Lawyer: No

Filed Pro Se: No

Class Action Sought: No

Class Action Outcome: Not sought

Defendants

Federal

Environmental Protection Agency

Case Details

Causes of Action:

Clean Water Act (CWA), 33 U.S.C. § 1319 et seq.

Other Dockets:

U.S. Court of Appeals for the District of Columbia Circuit 24-01188

Available Documents:

Complaint (any)

Trial Court Docket

Outcome

Prevailing Party: None Yet / None

Relief Sought:

Injunction

Relief Granted:

None yet

Source of Relief:

None yet

Issues

General/Misc.:

Other

Recommended Citation