2026 Senate Bill 947

Natural resources: inland lakes; dam safety regulations; provide for.

A bill to amend 1994 PA 451, entitled "Natural resources and environmental protection act," by amending sections 31502, 31503, 31504, 31505, 31506, 31507, 31508, 31509, 31510, 31511, 31513, 31515, 31516, 31517, 31518, 31520, 31521, and 31523 (MCL 324.31502, 324.31503, 324.31504, 324.31505, 324.31506, 324.31507, 324.31508, 324.31509, 324.31510, 324.31511, 324.31513, 324.31515, 324.31516, 324.31517, 324.31518, 324.31520, 324.31521, and 324.31523), sections 31502, 31503, 31504, 31505, 31507, 31508, 31510, 31511, 31513, 31515, 31516, 31517, 31518, 31520, 31521, and 31523 as added by 1995 PA 59, section 31506 as amended by 1995 PA 100, and section 31509 as amended by 2004 PA 325, and by adding sections 31506a, 31509a, 31509b, 31517a, 31518a, 31518b, 31518c, 31518d, 31528a, and 31528b.

AI Analysis – Experimental

Senate Bill 947 (S-1) comprehensively updates Michigan's dam safety laws by expanding regulatory oversight, increasing inspection and safety requirements, raising permit and registration fees, and establishing new funding mechanisms to better prevent dam failures and protect public safety.

Introduced in the Senate

May 7, 2026

Introduced by Sen. Mallory McMorrow (D-8) and six co-sponsors

Co-sponsored by Sens. Sue Shink (D-14), Sam Singh (D-28), Veronica Klinefelt (D-11), Jeff Irwin (D-15), Rosemary Bayer (D-13) and Sarah Anthony (D-21)

Referred to the Committee on Energy and Environment

June 18, 2026

Reported with substitute S-1

June 23, 2026

Referred to the Committee of the Whole

July 1, 2026

Reported with substitute S-1

Substitute S-1 concurred in by voice vote

July 2, 2026

Substitute S-2 offered by Sen. Mallory McMorrow (D-8)

The substitute passed by voice vote

Passed in the Senate 22 to 15 (details)

Received in the House

July 3, 2026

Referred to the Committee on Natural Resources and Tourism