STUDIES FOR PERIODIC NOURISHMENT.

SEC. 8129. STUDIES FOR PERIODIC NOURISHMENT. (a) In General.—Section 156 of the Water Resources Development Act of 1976 (42 U.S.C. 1962d-5f) is amended— (1) in subsection (b)— (A) in paragraph (1), by striking “15” and inserting “50”; and (B) in paragraph (2), by striking “15”; and (2) in subsection (e)— (A) by striking “10-year period” and inserting “16-year period”; and (B) by striking “6 years” and inserting “12 years”. (b) Indian River Inlet Sand Bypass Plant.—For purposes of the project for hurricane-flood protection and beach erosion control at Indian River Inlet, Delaware, commonly known as the “Indian River Inlet Sand Bypass Plant”, authorized by section 869 of the Water Resources Development Act of 1986 (100 Stat. 4182), a study carried out under section 156(b) of the Water Resources Development Act of 1976 (42 U.S.C. 1962d-5f(b)) shall consider as an alternative for periodic nourishment continued reimbursement of the Federal share of the cost to the non-Federal interest for the project to operate and maintain the sand bypass plant.