APCD General Permit GP05

APCD General Permit GP05

GENERAL CONSTRUCTION PERMIT — Oil and Gas Industry — Produced Water Storage Tank Batteries — GP05 Issuance 5, July 23, 2025

GP05 is a general construction permit for produced water storage tank batteries in the oil and gas industry, Issuance 5, dated July 23, 2025. The permit sets out applicability criteria, operating terms and conditions, recordkeeping and reporting requirements, and additional requirements for sources in ozone nonattainment areas and facilities in Disproportionately Impacted Communities.

I.A.

The permit covers oil and gas operators (exploration & production, non-E&P, midstream, and downstream) who can meet all Section II operating conditions and the requirements in Section I. Specifically, it covers produced water storage tank batteries (single or multiple tanks), combustion devices or vapor recovery units or other Division-approved control equipment that reduce emissions by at least 95%, and such equipment located at a true minor source or synthetic minor source for Operating Permit, New Source Review, and MACT applicability, except as stated in conditions I.B., I.C., and I.D.

I.A.3.

The permit covers produced water storage tank batteries (described in conditions I.A.1 and I.A.2) located at a true minor source or synthetic minor source for Operating Permit, New Source Review, and Maximum Achievable Control Technology program applicability, except as provided in conditions I.B., I.C., and I.D.

I.B.

The permit allows sources that became Title V or existing major sources—and for which the Division received a complete GP05 registration before January 27, 2020 (the date the 8-hour Ozone Control Area was reclassified from moderate to serious)—to continue operating under GP05. The 8-hour Ozone Control Area is defined in Regulation Number 7, Part A, Section II.A.1.

I.C.

The permit allows sources that became Title V or existing major sources because the 8-hour Ozone Control Area was reclassified from serious to severe, and that submitted a complete GP05 registration before November 3, 2022, to continue operating under this general permit. The 8-hour Ozone Control Area is defined in Regulation Number 7, Part A, Section II.A.1.