PUBLIC LAW 101-508 —NOV. 5, 1990 104 STAT. 1388-295 constructing, or enhancing facilities relating to water supply, including water distribution facilities and treatment plants, to replace water supplies adversely affected by coal mining practices. "(2) If the adverse effect on water supplies referred to in this subsection occurred both prior to and after August 3, 1977, section 404 shall not be construed to prohibit a State or Indian tribe referred to in paragraph (1) from using funds referred to in such paragraph for the purposes of this subsection if the State or Indian tribe determines that such adverse effects occurred predominantly prior to August 3, 1977. "(c) INVENTORY.—For the purposes of assisting in the planning and evaluation of reclamation projects pursuant to section 405, and assisting in making the certification referred to in section 411(a), the Secretary shall maintain an inventory of eligible lands and waters pursuant to section 404 which meet the priorities stated in paragraphs (1) and (2) of subsection (a). Under standardized procedures established by the Secretary, States and Indian tribes with approved abandoned mine reclamation programs pursuant to section 405 may offer amendments to update the inventory as it applies to eligible lands and waters under the jurisdiction of such States or tribes. The Secretary shall provide such States and tribes with the financial and technical assistance necessary for the purpose of making inventory amendments. The Secretary shall compile and maintain an inventory for States and Indian lands in the case when a State or Indian tribe does not have an approved abandoned mine reclamation program pursuant to section 405. On a regular basis, but not less than annually, the projects completed under this title shall be so noted on the inventory under standardized procedures established by the Secretary.". SEC. 6006. ELIGIBLE LANDS AND WATERS. Section 404 of the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1234) is amended by inserting ", except as provided for under section 411" after "processes", and by adding the following at the end thereof: "For other provisions relating to lands and waters eligible for such expenditures, see section 402(g)(4), section 40303)(1), and section 409.". SEC. 6007. STATE RECLAMATION PROGRAMS. Section 405 of the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1235) is amended by adding the following at the end thereof: "(1) No State shall be liable under any provision of Federal law for any costs or damages as a result of action taken or omitted in the course of carrying out a State abandoned mine reclamation plan approved under this section. This subsection shall not preclude liability for cost or damages as a result of gross negligence or intentional misconduct by the State. For purposes of the preceding sentence, reckless, willful, or wanton misconduct shall constitute gross negligence.". SEC. 6008. CLARIFICATION. Section 406(d) of the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1236(d)) is amended by striking "experimental".