Texas Commission on Environmental Quality v. Wilbarger Creek Conservation Alliance, Marilyn Kelinske, Anne Brockenbrough, and Jonathan Beall

ACCEPTED 15-25-00084-CV FIFTEENTH COURT OF APPEALS AUSTIN, TEXAS 10/24/2025 2:29 PM No. 15-25-00084-CV CHRISTOPHER A. PRINE CLERK IN THE FIFTEENTH DISTRICT COURT OF APPEALS FILED IN AUSTIN, TEXAS 15th COURT OF APPEALS AUSTIN, TEXAS 10/24/2025 2:29:28 PM TEXAS COMMISSION ON ENVIRONMENTAL QUALITY, CHRISTOPHER A. PRINE Appellant, Clerk v. WILBARGER CREEK CONSERVATION ALLIANCE, MARILYN KELINSKE, ANNE BROCKENBROUGH, and JONATHAN BEALL, Appellees.

On Appeal from the 126th District Court of Travis County, Texas The Honorable Laurie Eiserloh, Presiding Cause No. D-1-GN-23-004031 APPELLEES’ UNOPPOSED MOTION FOR EXTENSION OF TIME TO FILE THEIR RESPONSE BRIEF

TO THE HONORABLE COURT OF APPEALS: Appellees Wilbarger Creek Conservation Alliance, Marilyn Kelinske, Anne Brockenbrough, and Jonathan Beall, file this unopposed motion to extend the time to file their response under Texas Rules of Appellate Procedure 10.1, 10.5(b), and 38.6(d), and respectfully show the following: 1. Appellees make this motion. TCEQ does not oppose this motion.

2. There is no specific deadline to file this motion to extend time.

See Tex. R. App. P. 38.6(d). The Court has the authority under Texas Rule of Appellate Procedure 38.6(d) to extend the time to file this initial brief.

3. Appellees’ response brief is currently due on November 3, 2025. Appellees request that the Court extend this deadline to Monday, February 2, 2026.

4. This is the Appellees’ first request for extension of time.

5. Appellees request this additional time to ensure that counsel may provide the Court with a brief that will be helpful and assist the Court’s decision-making process. Appellees’ counsel has several obligations that have impacted counsel’s ability to prepare and file this brief, including the following. Counsel is currently preparing an appeal of the TCEQ’s decision in another case: Docket No. 2025-0828-MWD, Application by the City of Manor for a Major Amendment to Cottonwood Creek WWTF Permit No. WQ0014129002. Counsel is also preparing for a five-day hearing set for early November in Railroad Commission of Texas Docket No. OG-25-00020610, Complaint of Valence Operating Co. that the Commission’s January 4, 2024 “No Harm” Letter Issued in Accordance with Tex. Water Code § 27.015 to Southwestern Electric Power Company for its TCEQ Permit Application to Operate a UIC Class I Injection Well for the Pirkey Power Plant, Well No. WWDW-1, Harrison County, Texas, Should be Rescinded.

6. This request is not sought for delay and will not prejudice any party.

THEREFORE, the Appellees respectfully request that the Court grant this joint unopposed motion and extend the deadline to file their Response Brief to February 2, 2026.

Respectfully submitted, /s/ Christopher D. Smith CHRISTOPHER D. SMITH State Bar No. 24051349 (512) 659-6912 [email protected] Becky L. Jolin State Bar No. 10856200 (512) 217-7758 [email protected] SMITH JOLIN PLLC S. Mopac Expressway Building 1 Suite 300 Austin, Texas 78746 ATTORNEYS FOR APPELLEES WILBARGER CREEK CONSERVATION ALLIANCE, MARILYN KELINSKE, ANNE BROCKENBROUGH, AND JONATHAN BEALL

CERTIFICATE OF CONFERENCE Pursuant to Tex. R. App. P. 10.1(a)(5), I certify that counsel for Appellees Wilbarger Creek Conservation Alliance, Marilyn Kelinske, Anne Brockenbrough, and Jonathan Beall conferred with counsel for the Texas Commission on Environmental Quality via telephone call and all parties are unopposed to this motion.

/s/ Christopher D. Smith CHRISTOPHER D. SMITH

CERTIFICATE OF SERVICE I certify that on October 24, 2025, a true and correct copy of the foregoing was served upon the following counsel electronically through an electronic filing manager or by email: AMANDA ATKINSON CAGLE Assistant Attorney General State Bar No. 00783569 [email protected] SARA J. FERRIS Assistant Attorney General State Bar No. 50511915 [email protected]

/s/ Christopher D. Smith CHRISTOPHER D. SMITH

Automated Certificate of eService This automated certificate of service was created by the efiling system.

The filer served this document via email generated by the efiling system on the date and to the persons listed below. The rules governing certificates of service have not changed. Filers must still provide a certificate of service that complies with all applicable rules.

CHRISTOPHER SMITH on behalf of Christopher Smith Bar No. 24051349 [email protected] Envelope ID: 107269637 Filing Code Description: Motion Filing Description: Appellees' Motion to Extend Time for Response Brief Status as of 10/24/2025 2:41 PM CST Case Contacts Name BarNumber Email TimestampSubmitted Status Christopher Smith 24051349 [email protected] 10/24/2025 2:29:28 PM SENT Becky Jolin 10856200 [email protected] 10/24/2025 2:29:28 PM SENT Laura Courtney [email protected] 10/24/2025 2:29:28 PM SENT Sara Ferris [email protected] 10/24/2025 2:29:28 PM SENT Amanda Cagle [email protected] 10/24/2025 2:29:28 PM SENT Colton Halter [email protected] 10/24/2025 2:29:28 PM SENT