Chapter 331 - UNDERGROUND INJECTION CONTROL
- Subchapter A - GENERAL PROVISIONS (§§ 331.1 — 331.21)
- Subchapter C - GENERAL STANDARDS AND METHODS (§§ 331.41 — 331.48)
- Subchapter D - STANDARDS FOR CLASS I WELLS OTHER THAN SALT CAVERN SOLID WASTE DISPOSAL WELLS (§§ 331.61 — 331.68)
- Subchapter E - STANDARDS FOR CLASS III WELLS (§§ 331.81 — 331.87)
- Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT (§§ 331.101 — 331.110)
- Subchapter G - CONSIDERATION PRIOR TO PERMIT ISSUANCE (§§ 331.121 — 331.122)
- Subchapter H - STANDARDS FOR CLASS V WELLS (§§ 331.131 — 331.137)
- Subchapter I - FINANCIAL RESPONSIBILITY (§§ 331.142 — 331.144)
- Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS (§§ 331.161 — 331.171)
- Subchapter K - ADDITIONAL REQUIREMENTS FOR CLASS V INJECTION WELLS ASSOCIATED WITH AQUIFER STORAGE AND RECOVERY PROJECTS (§§ 331.181 — 331.186)
- Subchapter L - GENERAL PERMIT AUTHORIZING USE OF A CLASS I INJECTION WELL TO INJECT NONHAZARDOUS DESALINATION CONCENTRATE OR NONHAZARDOUS DRINKING WATER TREATMENT RESIDUALS (§§ 331.201 — 331.206)
- Subchapter M - REQUIREMENTS FOR EXISTING WELLS USED FOR DEVELOPMENT OF CLASS III UIC WELL APPLICATIONS (§§ 331.220 — 331.225)
- Subchapter N - STANDARDS FOR CLASS I BEDDED SALT CAVERN DISPOSAL WELLS (§§ 331.241 — 331.251)
- Subchapter O - ADDITIONAL REQUIREMENTS FOR CLASS V INJECTION WELLS ASSOCIATED WITH AQUIFER RECHARGE PROJECTS (§§ 331.262 — 331.267)