; and (P) any other assistance the Secretary determines to be necessary— (i) to increase available water supplies; (ii) to reduce water supply-demand imbalances in a hydrologic system; (iii) to maintain the health of river ecosystems; or (iv) to mitigate drought impacts. (4) Authorization of appropriations There is authorized to be appropriated to provide financial assistance under this subsection not more than $180,000,000 for the period of fiscal years 2006 through 2024, of which not more than $30,000,000 shall be made available during that period for the conduct of actions authorized under title I of the Reclamation States Emergency Drought Relief Act of 1991 ( 43 U.S.C. 2211 et seq.) to benefit imperiled fish and wildlife. (b) Applicable period of drought program Section 104 of the Reclamation States Emergency Drought Relief Act of 1991 ( 43 U.S.C. 2214 ) is amended by striking subsection (a) and inserting the following: (a) In general The programs and authorities established under this title shall become operative in any Reclamation State and in the State of Hawaii only— (1) after the Governor or Governors of the affected State or States, or the governing body of an affected Indian Tribe with respect to a reservation, has made a request for temporary drought assistance and the Secretary has determined that the temporary assistance is merited; (2) after a drought emergency has been declared by the Governor or Governors of the affected State or States; or (3) on approval of a drought contingency plan as provided in title II. . (c) Reauthorization Section 104(c) of the Reclamation States Emergency Drought Relief Act of 1991 ( 43 U.S.C. 2214(c) ) is amended by striking 2020 and inserting 2030 . 104. Rio Grande Pueblo irrigation infrastructure reauthorization Section 9106 of the Omnibus Public Land Management Act of 2009 ( Public Law 111–11