; and (II) the Secretary has entered into a perpetual agreement with the Colorado Water Conservation Board to ensure full exercise, protection, and enforcement of the State water rights within the Wilderness to reliably fulfill the purposes of this subsection. (ii) Adjudication If the Secretary determines that the provisions of clause (i) have not been met, the Secretary shall adjudicate and exercise any Federal water rights required to fulfill the purposes of the Wilderness in accordance with this paragraph. (F) Insufficient water rights If the Colorado Water Conservation Board modifies the instream flow water rights obtained under subparagraph (E) to such a degree that the Secretary determines that water rights held by the State are insufficient to fulfill the purposes of this Act, the Secretary shall adjudicate and exercise Federal water rights required to fulfill the purposes of this Act in accordance with subparagraph (B). (G) Failure to comply The Secretary shall promptly act to exercise and enforce the water rights described in subparagraph (E) if the Secretary determines that— (i) the State is not exercising its water rights consistent with subparagraph (E)(i)(I)