Lisa McClain (R-MI)
Great Lakes Mapping Act of 2025
A Republican bill with 11 Democratic cosponsors · See all 18 cosponsors
Last activity — Referred to the House Committee on Natural Resources.
In committee
Introduced and handed to a committee in the chamber it started in.
The committee holds it, and most bills are never heard from again. A hearing or a committee vote would be news; silence is the usual outcome, and it kills the bill without anyone voting against it.
Its path through Congress
- Introduced
- In Committee
What this bill would do
This bill, known as the "Great Lakes Mapping Act of 2025," directs the Administrator of the National Oceanic and Atmospheric Administration to perform high-resolution surveying and mapping of the Great Lakes lakebeds. The mapping effort must be completed by December 31, 2030. This process involves collecting bathymetric data and cataloging existing information. The Administrator is required to coordinate with various state and regional entities during this project. Additionally, the bill mandates the public release of maps and data. The act also authorizes specific annual appropriations to fund these activities.
Yes· 3 of 5
- Scored +5
Does this make what the government does easier for the public to see?
The bill mandates the public release of high-resolution maps and metadata.
- Scored +5
Does this put more money into scientific research?
The bill provides significant funding for bathymetric data collection and mapping science.
- Scored +4
Does this better protect public land such as parks and forests?
High-resolution mapping enhances the management of Great Lakes resources and habitats.
The opposite
No question was scored the opposite.
Who it would affect, and how
Potential Positive Impacts for People
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Increased Transparency and Public Access: The Administrator is required to make parts of the high-resolution map available to the public during the effort, and the complete map and metadata must be made available within 180 days of completion (Section 2(d)).
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Improved Resource and Habitat Data: The data gathered is to be incorporated into products such as nautical charts and those used for resource mapping and habitat characterization (Section 2(d)(2)(B)).
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Collaborative Resource Management: The Administrator is instructed to coordinate with State Governors, state agencies, and various regional observing systems to carry out the mapping effort (Section 2(c)).
Potential Negative Impacts for People
- No negative impacts or burdens are explicitly stated in the provided text.
Groups and Interests Ranking
Every group the model scored this bill for, from -10 to +10. Tap or hover a score for the reason it gave.
- Environment Energy And Infrastructure
- Does this better protect public land such as parks and forests? — High-resolution mapping enhances the management of Great Lakes resources and habitats. Does this better protect air, water and wildlife? — The bill improves environmental knowledge through high-resolution mapping of Great Lakes habitats and lakebeds.
- Governance And Ideology
- Does this make what the government does easier for the public to see? — The bill mandates the public release of high-resolution maps and metadata. Does this give the federal government more power? — The bill expands NOAA's role in mapping Great Lakes lakebeds.
- Education And Technology
- Does this put more money into scientific research? — The bill provides significant funding for bathymetric data collection and mapping science.
- 12/16/2025
- 1 Cosponsor added.
- 8/19/2025
- 1 Cosponsor added.
- 7/22/2025
- 1 Cosponsor added.
- 5/5/2025
- 1 Cosponsor added.
- 4/8/2025
- Referred to the House Committee on Natural Resources.
- 14 Cosponsors added.
- Introduced in House
Jack BergmanRepublican · Michigan
Tom BarrettRepublican · Michigan
Angie CraigDemocrat · Minnesota
Debbie DingellDemocrat · Michigan
Warren DavidsonRepublican · Ohio
Bill HuizengaRepublican · Michigan
John JamesRepublican · Michigan
Marcy KapturDemocrat · Ohio
Raja KrishnamoorthiDemocrat · Illinois
Michael LawlerRepublican · New York
Kristen McDonald RivetDemocrat · Michigan
Mark PocanDemocrat · Wisconsin
Bradley SchneiderDemocrat · Illinois
Pete StauberRepublican · Minnesota
Haley StevensDemocrat · Michigan
Hillary ScholtenDemocrat · Michigan
Rashida TlaibDemocrat · Michigan
Eugene VindmanDemocrat · Virginia