; (2) protecting water resources; (3) complying with regulatory requirements; and (4) achieving other environmental, public health, and community goals. (e) Innovative stormwater control infrastructure portfolio standard The Administrator, in collaboration with State, tribal, and local water resource managers, shall establish voluntary measurable goals, to be known as the innovative stormwater control infrastructure portfolio standard , to increase the percentage of annual water managed by eligible entities that use innovative stormwater control infrastructure. 7. Report to Congress Not later than September 30, 2019, the Administrator shall submit to Congress a report that includes, with respect to the period covered by the report— (1) a description of all grants provided under this Act; (2) a detailed description of— (A) the projects supported by those grants; and (B) the outcomes of those projects; (3) a description of the improvements in technology, environmental benefits, resources conserved, efficiencies, and other benefits of the projects funded under this Act; (4) recommendations for improvements to promote and support innovative stormwater control infrastructure for the centers, grants, and activities under this Act; and (5) a description of existing challenges concerning the use of innovative stormwater control infrastructure. 8. Authorization of appropriations There are authorized to be appropriated to carry out this Act such sums as are necessary for each of fiscal years 2018 through 2023.