EPA Oversight of California's Underground Injection Control (UIC) Program: EPA and State Correspondence

EPA and State correspondence associated with EPA's Oversight of California's Underground Injection Control (UIC) Program.

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California Department of Conservation and SWRCB’s follow-up to their December 28, 2021 letter to EPA (pdf) (410.29 KB, August 26, 2022)
California Department of Conservation and SWRCB’s August 26, 2022 letter following-up on their December 28, 2021 letter to EPA.
California Department of Conservation and SWRCB’s follow-up to their October 15, 2021 letter to EPA (pdf) (490.88 KB, December 28, 2021)
California Department of Conservation and SWRCB’s December 28, 2021 letter following-up on their October 15, 2021 letter to EPA.
California Department of Conservation and SWRCB’s response to EPA’s September 16, 2021 letter regarding the State’s Class II UIC Compliance Status (pdf) (482.32 KB, October 15, 2021)
California Department of Conservation and SWRCB’s October 15, 2021 letter responding to EPA’s September 16, 2021 letter regarding the State’s Class II UIC Compliance Status.
EPA letter to the California Resources Agency and SWRCB regarding the State’s Class II UIC Compliance Status (pdf) (222.01 KB, September 16. 2021)
EPA letter to the California Resources Agency and SWRCB regarding the State’s Class II UIC Compliance Status, dated September 16, 2021.
EPA Letter to CalGem and SWRCB Responding to the 3/23/2020 Joint Update Letter (pdf) (160.02 KB, May 1, 2020)
EPA letter to CalGem and California State Water Resources Control Board (SWRCB) responding to the 3/23/2020 joint update letter.
Letter from the State (Harris/Bishop) to EPA (Albright) (pdf) (330.84 KB, 8/16/2018)
Letter from the State to EPA providing an update on the State’s Class II UIC Compliance Review.
Aquifer Exemption Proposal Review Status (8/8/2018) (pdf) (661.16 KB, 8/8/2018)
Enclosure to August 16, 2018 letter from the State to EPA providing an update on the State’s Class II UIC Compliance Review.
Letter from the State (Harris/Bishop) to EPA (Albright) (pdf) (1.3 MB, 2/28/2018)
Letter from the State to EPA Providing an Update on the State’s Class II UIC Compliance Review.
EPA letter to DOGGR about the San Ardo and McCool Ranch Oil Fields Aquifer Exemption Package (pdf) (213 KB, November 13, 2017)
EPA letter notifying DOGGR that the aquifer exemption package for the Lombardi and Aurignac Sands in the San Ardo and McCool Ranch oil fields is not complete and supplemental material is needed.
Letter from the State (Harris/Bishop) to EPA (Albright) (pdf) (546.2 KB, 11/09/2017)
Letter from the State to EPA Providing an Update on the State’s Class II UIC Compliance Review.
EPA Letter to DOGGR Agreeing to Addendum to UIC MOA (pdf) (692.52 KB, 3/30/2017)
EPA Letter to DOGGR agreeing to an addendum to the UIC MOA to clarify the eleven aquifers historically treated as exempt.
Addendum to the Underground Injection Control Memorandum of Agreement between DOGGR and EPA (pdf) (83.87 KB, 03/30/2017)
ADDENDUM to Underground Injection Control Program Memorandum of Agreement Between California Division of Oil, Gas, and Geothermal Resources and the United States Environmental Protection Agency Region 9.
EPA Letter to DOGGR (Harris) and SWRCB (Bishop) (pdf) (166.34 KB, 01/25/2017)
EPA letter to DOGGR and SWRCB responding to the 1/17/2017 joint update letter
Letter and Enclosure from the SWRCB to EPA (pdf) (3.06 MB, 12/30/2016)
Letter and enclosure from the SWRCB to EPA providing a final update on the State’s evaluation of Class II UIC wells injecting into non-exempt aquifers
EPA letter to DOGGR (Harris) and SWRCB (Bishop) (pdf) (1.55 MB, 05/17/2016)
EPA letter to DOGGR (Harris) and SWRCB (Bishop) discussing progress made to date to restore the CA Class II UIC Program to compliance.
EPA letter to Supervisor Adam Hill (pdf) (245.16 KB, 05/04/2016)
EPA letter to Supervisor Adam Hill responding to March 2016 correspondence.
EPA letter to DOGGR (pdf) (439.14 KB, 04/19/2016)
EPA letter to DOGGR (Harris) requesting more information on the Proposed Expansion of the Arroyo Grande Aquifer Exemption package.
Letter from Supervisor Adam Hill to EPA (pdf) (341.79 KB, 03/07/2016)
Letter from Supervisor Adam Hill, San Luis Obispo County, to EPA concerning the Arroyo Grande aquifer exemption proposal.
EPA letter to DOGGR (Bohlen) and SWRCB (Bishop) (pdf) (402 KB, 11/03/2015)
EPA letter to DOGGR (Bohlen) and SWRCB (Bishop) responding to October 2015 letters.
Letter from SWRCB to EPA (pdf) (489.69 KB, 10/21/2015)
Letter from SWRCB to EPA on status of UIC well review.
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) (pdf) (187.72 KB, 07/27/2015)
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) responding to 7/15/2015 correspondence and attachments.
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) (pdf) (124 KB, 05/28/2015)
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) responding to 5/15/2015 letter describing recent steps taken to address ongoing compliance issues with CA's Class II UIC Program.
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) (pdf) (1.04 MB, 03/09/2015)
EPA letter to SWRCB (Bishop) and DOGGR (Bohlen) responding to 2/6/2015 Program Revision Plan.
EPA letter to SWRCB and DOGGR (pdf) (1.96 MB, 12/22/2014)
EPA letter to SWRCB (Bishop) and Bohlen (DOGGR) requesting program revision plan by 2/6/2015.
EPA Memo: Enhancing Coordination and Communication with States (pdf) (1.33 MB, 07/24/2014)
EPA Memo: Enhancing Coordination and Communication with States on Review and Approval of Aquifer Exemption Requests Under SDWA.
EPA letter to CalEPA (Rodriquez) and CaNRA (Laird) (pdf) (411.4 KB, 07/17/2014)
EPA Letter to Matt Rodriquez (CalEPA) and John Laird (CaNRA).
EPA Review of Aquifer Exemptions in California - DRAFT Preliminary Findings (pdf) (642.78 KB, 05/11/2012)
Review of Aquifer Exemptions in California (DRAFT Preliminary Findings) Transmitted via email on May 11, 2012 from David Albright, Manager, Ground Water Office, USEPA Region 9 to Rob Habel, DOGGR with cc to Tim Kustic, DOGGR.
EPA letter to DOGGR (pdf) (135.16 KB, 07/18/2011)
EPA letter to DOGGR (Miller) transmitting copy of the CA Class II UIC Program Review final report.
California Class II Underground Injection Control Program Review Report (pdf) (18.94 MB, June 2011)
California Division of Oil, Gas and Geothermal Resources Class II UIC Program Review Report.