# 119-hr-2731: Great Lakes Mapping Act of 2025

119-hr-2731, Great Lakes Mapping Act of 2025, is a 119th Congress bill sponsored by Rep. McClain, Lisa C. [R-MI-9] (R-MI); status introduced (as of 2026-07-19).

- Canonical: https://policyrisk.com/legislation/119-hr-2731
- As of: 2026-07-19
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-hr-2731
- Congress: 119
- Title: Great Lakes Mapping Act of 2025
- Status: introduced
- Introduced: 2025-04-08
- Sponsor: Rep. McClain, Lisa C. [R-MI-9] (R-MI)
- Cosponsors: 18
- Policy area: Public Lands and Natural Resources
- Touches household money: no
- Last recorded action: 2026-07-19

## Summary

**Would direct NOAA to produce a public, high-resolution map of the Great Lakes lakebeds by December 31, 2030.** It would require surveying, collecting high-resolution bathymetry, cataloging metadata, and incorporating the results into charts and other resource-mapping products.

## Cosponsors (18)

- Rep. Dingell, Debbie [D-MI-6] (D-MI), 2025-04-08T00:00:00.000Z
- Rep. Davidson, Warren [R-OH-8] (R-OH), 2025-04-08T00:00:00.000Z
- Rep. Pocan, Mark [D-WI-2] (D-WI), 2025-04-08T00:00:00.000Z
- Rep. Bergman, Jack [R-MI-1] (R-MI), 2025-04-08T00:00:00.000Z
- Rep. Stevens, Haley M. [D-MI-11] (D-MI), 2025-04-08T00:00:00.000Z
- Rep. Huizenga, Bill [R-MI-4] (R-MI), 2025-04-08T00:00:00.000Z
- Rep. Tlaib, Rashida [D-MI-12] (D-MI), 2025-04-08T00:00:00.000Z
- Rep. Barrett, Tom [R-MI-7] (R-MI), 2025-04-08T00:00:00.000Z
- Rep. Schneider, Bradley Scott [D-IL-10] (D-IL), 2025-04-08T00:00:00.000Z
- Rep. Stauber, Pete [R-MN-8] (R-MN), 2025-04-08T00:00:00.000Z
- Rep. Scholten, Hillary J. [D-MI-3] (D-MI), 2025-04-08T00:00:00.000Z
- Rep. Lawler, Michael [R-NY-17] (R-NY), 2025-04-08T00:00:00.000Z
- Rep. Kaptur, Marcy [D-OH-9] (D-OH), 2025-04-08T00:00:00.000Z
- Rep. Craig, Angie [D-MN-2] (D-MN), 2025-04-08T00:00:00.000Z
- Rep. James, John [R-MI-10] (R-MI), 2025-05-05T00:00:00.000Z
- Rep. Krishnamoorthi, Raja [D-IL-8] (D-IL), 2025-07-22T00:00:00.000Z
- Rep. Vindman, Eugene Simon [D-VA-7] (D-VA), 2025-08-19T00:00:00.000Z
- Rep. McDonald Rivet, Kristen [D-MI-8] (D-MI), 2025-12-16T00:00:00.000Z

## Provisions PRIA read

- Funding for Great Lakes mapping work: benefit, high. If enacted, the bill would authorize $50 million each year for 2025 through 2029 for the mapping effort, $250 million total. Money Congress appropriates could be used through fiscal year 2030. Congress would still need to pass annual funding bills before NOAA could spend the money.
- Public high-resolution maps of Great Lakes: benefit, medium. If enacted, NOAA would lead a cooperative effort to map the Great Lakes lakebeds in high resolution by December 31, 2030. NOAA would coordinate with Great Lakes states, Lakebed 2030, and other regional systems. During the effort, finished parts would be shared with the public soon after the data ar…

## Related bills

- 119-hr-284: GLRI Act of 2025
- 119-hr-2102: Major Richard Star Act
- 119-hr-909: Crime Victims Fund Stabilization Act of 2025
- 119-hr-3151: SHIPS for America Act of 2025
- 119-hr-2048: Metastatic Breast Cancer Access to Care Act
- 119-hr-1329: Smithsonian American Women’s History Museum Act

## Sources
- [119-hr-2731 on Congress.gov](https://www.congress.gov/bill/119th-congress/house-bill/2731)

## Related
- [119-hr-284: GLRI Act of 2025](https://policyrisk.com/legislation/119-hr-284)
- [119-hr-2102: Major Richard Star Act](https://policyrisk.com/legislation/119-hr-2102)
- [119-hr-909: Crime Victims Fund Stabilization Act of 2025](https://policyrisk.com/legislation/119-hr-909)
- [119-hr-3151: SHIPS for America Act of 2025](https://policyrisk.com/legislation/119-hr-3151)
- [119-hr-2048: Metastatic Breast Cancer Access to Care Act](https://policyrisk.com/legislation/119-hr-2048)
- [119-hr-1329: Smithsonian American Women’s History Museum Act](https://policyrisk.com/legislation/119-hr-1329)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-hr-2731 (as of 2026-07-19).