The State of Illinois requires home sellers to disclose unsafe conditions relating to the presence of lead pipes. 765 ILCS §35.

State law requires property condition disclosure statements to include a question P.L. 2021, Ch. 264 §1 (b)(3).

Rhode Island law requires the disclosure of lead exposure hazards and potential lead exposure hazards in a residential dwelling, dwelling unit, or premise that is offered for sale or lease. R.I. Gen. Laws § 23-24.6-16

In 2024, the Iowa legislature introduced a bill requiring that the presence of lead service lines be disclosed in real estate transactions. H.F. 442.

NC DEQ provides guidance and templates for lead service line inventories and notices for lead, galvanized requiring replacement, and unknown material service lines.

The State of Minnesota has developed an online tool mapping all inventories throughout the state, down to the individual line. The website and database are created in collaboration with academic partners.

The State of Rhode Island has developed an interactive map where users can input their address to find if their home may have a LSL.

PLEM provides a publicly available mapping tool to show potential sources of lead exposure in New Jersey.

The MA Department of Environmental Protection keeps a regularly updated publicly accessible GIS map of public service line inventories submitted to the state.

A compendium of examples where disclosure laws and ordinances have been adopted across the country.