42 U.S. Code § 300j–16 - Assistance to colonias
As used in this section:
(2) Eligible community
The term “eligible community” means a low-income community with economic hardship that—
(b) Grants to alleviate health risks
The Administrator of the Environmental Protection Agency and the heads of other appropriate Federal agencies are authorized to award grants to a border State to provide assistance to eligible communities to facilitate compliance with national primary drinking water regulations or otherwise significantly further the health protection objectives of this subchapter.
(c) Use of funds
Each grant awarded pursuant to subsection (b) of this section shall be used to provide assistance to one or more eligible communities with respect to which the residents are subject to a significant health risk (as determined by the Administrator or the head of the Federal agency making the grant) attributable to the lack of access to an adequate and affordable drinking water supply system.
(d) Cost sharing
The amount of a grant awarded pursuant to this section shall not exceed 50 percent of the costs of carrying out the project that is the subject of the grant.