; and (B) 3 regional research centers, each of which shall be based out of a host university, as follows: (i) An Upper Mississippi River Research Center located in the region from the headwaters of the Mississippi River to the confluence with the Missouri River. (ii) A Middle Mississippi River Research Center located in the region downriver from the confluence of the Missouri River to the confluence of the Ohio River. (iii) A Lower Mississippi River Research Center located in the region downriver from the confluence of the Ohio River to the Gulf of Mexico. (3) Functions The functions of the research centers established under this subsection shall be to— (A) conduct scientific research on the MRRRI focus areas described in section 127(c)(2) of the Federal Water Pollution Control Act (as added by this Act); (B) consult with and advise relevant Federal agencies on— (i) the improvement of programs that monitor water quality in the Mississippi River Corridor and the health of the Mississippi River Corridor habitat or the establishment of such programs, where necessary; (ii) the impact of projects and activities carried out under the MRRRI; and (iii) any additional goals, priorities, metrics, and research objectives proposed as part of the science plan described in subsection (b)(2)