Hydrogen Sulfide (H2S)
Fields & Concentration Listings
The information presented in the H2S Fields and Concentration Listings are obtained from Certificate of Compliance Statewide Rule 36 (16 TAC §3.36), Form H-9's on file with the Railroad Commission of Texas. If you need additional information, contact Field Operations at OGFOPS@rrc.texas.gov or (512) 463-6830.  
The following files are in Excel format. ![]()
A listing of all current H-9's as of 09/01/2024 is also available in Excel format. ![]()
- H 9 Main Table
 - H2S District 01
 - H2S District 02
 - H2S District 03
 - H2S District 04
 - H2S District 05
 - H2S District 06
 - H2S District 6E
 - H2S District 7B
 - H2S District 7C
 - H2S District 08
 - H2S District 8A
 - H2S District 09
 - H2S District 10