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

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

(3) Bear the cost associated with the replacement; and

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

Requires educational service districts to: (1) For the health and safety of educational staff and students and consistent with the United States environmental protection agency guidance manual, ensure testing of drinking water and drinking water fixtures at public schools;

(2) Prioritize schools for testing drinking water and drinking water fixtures for lead; and

(3) Make results available to the community and schools where the testing has taken place.

Requires the department of health to: (1) Develop guidance and testing protocols, consistent with the United States environmental protection agency guidance manual, for the educational service districts' testing drinking water and drinking water fixtures in public schools;

(2) Contract with qualified independent third parties to complete the testing when the educational service district is unable to do so; and

(3) Make results available to the schools and the community.