Subpart ZZ. Subpart ZZ—Wyoming

• § 147.2550 - State-administered program—Class I, III, IV, V and VI wells.
• § 147.2551 - State-administered program—Class II wells.
• § 147.2553 - EPA-administered program—Indian lands.
• § 147.2554 - Aquifer exemptions.
• § 147.2555 - Aquifer exemptions since January 1, 1999.