Rule 1148.2 - Oil and Gas Well Electronic Notification and Reporting

Rule 1148.2 – Notification and Reporting Requirements for Oil and Gas Well and Chemical Suppliers was adopted on April 5, 2013.  Effective June 4, 2013, oil and gas well operators and chemical suppliers are required to electronically submit to the South Coast AQMD various types of reports related to well drilling, well completion, and well reworks.  In addition, the South Coast AQMD is required to make certain information regarding these activities available to the public.

Rule 1148.2 was last amended on February 3rd, 2023. The amendment added notification requirements for injection well acidizing, chemical treatment, and for workover rigs that do not use a Tier 4 Final low emission engine or a non-combustion source.

Oil Well
Injection Well

Click on a link below to access either of the Notification and Reporting, Pubic Information, Chemical Information, or Annual Report portals.

 Operators & Chemical Suppliers

Notification and Reporting Portal
- Create and manage account
- File notifications and reports

Click Here for Mailer Template

Community Members

Public Information Portal
- View well activity information and
  chemical usage
Sign up to receive emails for well event

Chemical Info

Office of Environmental Health Hazard Assessment (OEHHA)
- Link to chemical information

Annual Chemical Usage Report

Rule 1148.2 Chemical Report by Ingredient
Rule 1148.2 Chemical Report by Trade Name
- Summaries of chemicals reported per facility

Useful Links

For additional assistance regarding the Rule 1148.2 Electronic Notification and Reporting Portal, send an email to or contact:

Michael Morris
Planning & Rules Manager
(909) 396-3282

Rodolfo Chacon
Program Supervisor
(909) 396-2726

Jose Enriquez
AQ Specialist
(909) 396-7010

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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765



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