UIC Class I Permit No. R9UIC-CA1-FY17-2R: Panoche Energy Center LLC, Firebaugh, CA

Class I nonhazardous waste injection well facility with a maximum of six (6) injection wells, known as the IW1, IW2, IW3, IW4, IW5 and IW6 wells. The wells are to be located in Section 05, Township 15S, Range 13E, on Panoche Energy Center facilities in Fresno County, California.

• Modified UIC Permit No. R9UIC-CA1-FY17-2R: Panoche Energy Center LLC, Firebaugh, CA (pdf) (349.4 KB, April 30, 2025)
  UIC Permit, inclusive of the April 30, 2025 Permit Major Modification, authorizing Panoche Energy Center, LLC to construct and operate Class I Non-hazardous Waste Injection Wells operations at the Panoche Energy Center, Firebaugh, California.
• Major Modification to UIC Permit No. R9UIC-CA1-FY17-2R Including Track Changes (pdf) (674.49 KB, April 30, 2025)
  This major modification reflects the removal of the requirement to install a monitoring well near the Silver Creek #18 well. In place of the monitoring well requirement, EPA reduced the maximum allowable injection volume and established quarterly and annual injection limits; increased the frequency of required static bottomhole pressure measurements in each of the four injection wells; added quarterly risk modeling; and required additional reporting of key monitoring elements to EPA.
• Notice of 120-Day Stay of UIC Permit Condition: Panoche Energy Center LLC, Firebaugh, CA (pdf) (177.75 KB, November 21, 2024)
  On November 21, 2024, EPA granted a 120-day stay of permit conditions in Parts II.E.2, II.E.2.5.a.iv, II.E.5.a.v., and II.E.6.d. to Panoche Energy Center.
• Notice of Stay of UIC Permit Condition Pending Judicial Review: Panoche Energy Center LLC, Firebaugh, CA (pdf) (186.67 KB, June 29, 2023)
  EPA hereby grants Panoche Energy Center a stay of Parts II.E.2, II.E.2.5.a.iv, II.E.5.a.v., and II.E.6.d of the Permit pending judicial review.
• Notice of Final Permit Decision: Panoche Energy Center LLC, Firebaugh, CA (pdf) (228.83 KB, June 7, 2023)
  Final Permit Decision for Class I Non-hazardous Waste Injection Wells Permit No. R9UIC-CA1-FY17-2R for the Panoche Energy Center, following Panoche Energy Center's petition for review with EPA's Environmental Appeals Board.
• UIC Permit No. R9UIC-CA1-FY17-2R: Class I Non-hazardous Waste Injection Wells - Panoche Energy Center (9/30/2022) (pdf) (438.03 KB, September 30, 2022)
  Underground Injection Control (UIC) Permit authorizing Panoche Energy Center, LLC to construct and operate Class I Non-hazardous Waste Injection Wells operations at the Panoche Energy Center, Firebaugh, California.
• Permit Appendices: Class I UIC Permit No.R9UIC-CA1-FY17-2R for the Panoche Energy Center, LLC (September 2022) (pdf) (2.6 MB, September 2022)
  Permit Appendices for Class I UIC Permit No. R9UIC-CA1-FY17-2R issued to the Panoche Energy Center, LLC.
• Response to Comments: Class I UIC Permit No. R9UIC-CA1-FY17-2R for the Panoche Energy Center, LLC. (September 2022) (pdf) (244.99 KB, September 2022)
  Outlines changes from the draft to the final permit; provides a summary of the comments received during the public comment period and responses to those comments.
• Notice of Final Permit Decision: Panoche Energy Center (pdf) (93.65 KB, September 30, 2022)
  Final Permit Decision for Class I Non-hazardous Waste Injection Wells Permit No. R9UIC-CA1-FY17-2R for the Panoche Energy Center.
• EPA Fact Sheet: UIC Class I Permit No. R9UIC-CA1-FY17-2R; Panoche Energy Center LLC (pdf) (325.24 KB, 2021)
  Facts and considerations related to the issuance of UIC permit no. R9UIC-CA1-FY17-2R to Panoche Energy Center LLC, including background information, facility description, and permit conditions.
• EPA Fact Sheet: UIC Class I Permit No. CA10600001; Panoche Energy Center LLC (pdf) (51.1 KB, April 2008)
  Facts and considerations related to the issuance of UIC permit no. CA10600001 to Panoche Energy Center LLC, including background information, facility description, and permit conditions.
• UIC Class I Permit No. CA10600001: Panoche Energy Center, LLC (pdf) (332.99 KB, April 25, 2008)
  Final permit for UIC class I nonhazardous waste injection wells IW1, IW2, IW3, IW4, IW5, and IW6, Fresno County, owned/operated by Panoche Energy Center, 43883 W. Panoche Road Firebaugh, California, 93622.
• Appendices to UIC Class I Permit No. CA10600001: Panoche Energy Center, LLC (pdf) (7.45 MB, April 25, 2008)
  Appendices to UIC permit CA10600001 including project maps of Panoche Energy, well schematics, EPA reporting forms, temp. logging requirements, falloff test requirements, & plugging plans.