Politics & Government

Michigan Senate Panel Advances Statewide Septic Code Reform Legislation

Michigan Senate committee advances historic legislation to create the state’s first uniform septic system regulations, ending the state’s status as the only one without statewide standards.

Denise Calloway
Denise CallowayStaff Reporter
Published June 2, 2026, 7:31 PM GMT+2
Michigan Senate Panel Advances Statewide Septic Code Reform Legislation - Wikimedia Commons
Michigan Senate Panel Advances Statewide Septic Code Reform Legislation - Wikimedia Commons

LANSING, MICHIGAN β€” A Michigan Senate committee has advanced legislation to establish the state’s first uniform septic system regulations, addressing a long-standing policy gap that leaves Michigan as the only state without statewide standards for onsite waste treatment systems.

The Senate Natural Resources and Agriculture Committee voted along party lines Tuesday to advance Senate Bill 771 to the full Senate, with all seven Democratic members supporting the measure. The legislation, sponsored by state Sen. Sam Singh (D-East Lansing), aims to create consistent standards for septic system inspection and enforcement across Michigan.

If enacted, the bill would establish an advisory committee to work with the Michigan Department of Environment, Great Lakes and Energy to develop recommendations for a statewide septic code. The legislation sets a three-year timeline for EGLE to implement comprehensive statewide regulations for septic systems.

Implementation Timeline and Requirements

Under Singh’s proposal, septic system evaluations would begin immediately after the new rules take effect. The legislation establishes specific inspection requirements for older systems and those in environmentally sensitive areas.

Starting one decade after the rules are implemented, septic systems that are 20 years old or older would require evaluation once every 10 years. Systems that have not been evaluated or are located within 500 feet of surface water or in high-risk erosion areas must receive mandatory evaluation, according to Singh’s Tuesday presentation to the committee.

The move represents the latest attempt by Michigan lawmakers to address environmental health concerns stemming from failing septic systems. Previous efforts to establish statewide septic regulations have faced resistance despite Michigan’s unique status as the sole state lacking uniform standards for onsite waste treatment systems.

Brownfield Program Expansion Advances

The committee also approved separate legislation expanding Michigan’s brownfield redevelopment program financing. The two-bill package increases the cap on grants and loans from the state’s brownfield redevelopment program from $1 million to $2 million per project.

The brownfield legislation removes the current one-project-per-community annual limit and eliminates cost-sharing requirements for local governments. The changes aim to accelerate cleanup and redevelopment of contaminated properties across the state.

Both the septic code reform and brownfield expansion measures now advance to the full Senate for consideration. The septic legislation addresses environmental concerns about inconsistent regulation of waste treatment systems that can affect groundwater quality and public health when they fail.

Michigan’s lack of uniform septic standards has created a patchwork of local regulations that vary significantly across counties and municipalities. The proposed legislation would create the regulatory framework needed for consistent statewide oversight of the estimated hundreds of thousands of septic systems operating throughout Michigan.

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