; (B) the effectiveness of the institute at producing measured results and applied water supply research; and (C) whether the effectiveness of the institute as an institution for planning, conducting, and arranging for research warrants continued support under this section. (2) Prohibition on further support If, as a result of an evaluation under paragraph (1), the Secretary determines that an institute does not qualify for further support under this section, no further grants to the institute may be provided until the qualifications of the institute are reestablished to the satisfaction of the Secretary. . (e) Authorization of appropriations Section 104(f)(1) of the Water Resources Research Act of 1984 ( 42 U.S.C. 10303(f)(1) ) is amended by striking $12,000,000 for each of fiscal years 2007 through 2011 and inserting $7,500,000 for each of fiscal years 2019 through 2021 . (f) Additional appropriations where research focused on water problems of interstate nature Section 104(g)(1) of the Water Resources Research Act of 1984 ( 42 U.S.C. 10303(g)(1) ) is amended in the first sentence, by striking $6,000,000 for each of fiscal years 2007 through 2011 and inserting $1,500,000 for each of fiscal years 2019 through 2021 . 5008. Study on intractable water systems Part E of the Safe Drinking Water Act ( 42 U.S.C. 300j et seq.) is amended by adding at the end the following: 1459C. Study on intractable water systems (a) Definition of intractable water system In this section, the term intractable water system means a community water system or a noncommunity water system— (1) that serves fewer than 1,000 individuals; and (2) the owner or operator of which— (A) is unable or unwilling to provide safe and adequate service to those individuals; (B) has abandoned or effectively abandoned the community water system or noncommunity water system, as applicable; (C) has defaulted on a financial obligation relating to the community water system or noncommunity water system, as applicable