; (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; (D) fails to maintain the facilities of the community water system or noncommunity water system, as applicable, in a manner so as to prevent a potential public health hazard; or (E) is in significant noncompliance with this Act or any regulation promulgated pursuant to this Act. (b) Study required (1) In general Not later than 2 years after the date of enactment of this section, the Administrator, in consultation with the Secretary of Agriculture and the Secretary of Health and Human Services, shall complete a study that— (A) identifies intractable water systems; and (B) describes barriers to delivery of potable water to individuals served by an intractable water system. (2) Report to congress Not later than 2 years after the date of enactment of this section, the Administrator shall submit to Congress a report describing findings and recommendations based on the study under this subsection. (c) Compliance incentive Section 1414(h)(2) shall apply to any person carrying out a plan to address an intractable water system that is approved by— (1) in the case of a State with primary enforcement responsibility under section 1413, the State