Requires public water systems to: (1) By July 1, 2020, fully replace all lead service lines located at or connecting to a school or an early childhood program;

(2) By July 1, 2030, fully replace all lead service lines located within its service area;

(3) Bear the cost associated with the replacement regardless of ownership of any portion of the service line; and

(4) Perform lead service line replacements in coordination with the school district, school or early childhood program, or relevant local government, as applicable.

Allows money in the public works assistance account to be used to support the required activities mentioned above.