A bill to require the Secretary of the Interior to conduct a study to determine the feasibility of constructing a project to supply municipal, rural, and industrial water to expand the capacity and reach of the Lewis and Clark Rural Water System, Inc. (doing business as "Lewis & Clark Regional Water System"), in the States of Iowa, Minnesota, and South Dakota.

This bill, designated as S. 3725 in the 119th Congress and introduced on January 29, 2026, aims to direct the Secretary of the Interior to conduct a feasibility study for the construction of a project to enhance the Lewis and Clark Rural Water System, also known as the Lewis & Clark Regional Water System, in Iowa, Minnesota, and South Dakota. The study is intended to evaluate the viability of expanding municipal, rural, and industrial water supply capacity and reach for this regional water system.