Summary of HR 2731: Great Lakes Mapping Act of 2025

Purpose and Intent

The Great Lakes Mapping Act of 2025 aims to enhance the understanding and management of the Great Lakes through comprehensive mapping initiatives. The bill seeks to improve the quality and accessibility of data related to the Great Lakes, which are vital for environmental health, economic activities, and recreational opportunities in the region.

Key Provisions

The bill includes several significant provisions designed to achieve its objectives:

• Mapping Initiatives: The legislation mandates the development of detailed maps of the Great Lakes, including bathymetric (underwater topography) and habitat mapping.

• Data Collection and Sharing: It emphasizes the collection of high-resolution data and the establishment of a centralized database that can be accessed by researchers, policymakers, and the public.

• Collaboration with Agencies: The bill encourages collaboration among federal, state, and local agencies, as well as partnerships with academic institutions and non-profit organizations to ensure comprehensive data collection and mapping efforts.

• Funding: Although specific funding amounts are not detailed in the bill, it is expected that appropriations will be allocated to support the mapping projects and related research activities.

Who Would Be Affected

The Great Lakes Mapping Act of 2025 would impact a wide range of stakeholders, including:

• Environmental Agencies: Federal and state environmental agencies would benefit from improved data for conservation and management efforts.

• Researchers and Academics: Enhanced mapping data would support scientific research related to ecology, hydrology, and climate change in the Great Lakes region.

• Local Communities: Communities surrounding the Great Lakes would gain access to valuable information that can inform local planning and development, particularly in relation to tourism and recreation.

• Industry Stakeholders: Industries such as fishing, shipping, and tourism would benefit from better understanding of the Great Lakes' resources and conditions.

Procedural Aspects

• Introduced Date: The bill was introduced in the House on April 8, 2025.

• Committee Referral: Following its introduction, HR 2731 was referred to the House Committee on Natural Resources for further consideration.

• Sponsorship: The bill has a diverse group of sponsors, including both primary and cosponsors from various political backgrounds, indicating a broad interest in the initiative. Notable sponsors include:

  • Lisa C. McClain (primary sponsor)
  • Michael Lawler
  • Warren Davidson
  • Marcy Kaptur
  • Rashida Tlaib

This diverse sponsorship may facilitate bipartisan support as the bill progresses through the legislative process.

Conclusion

The Great Lakes Mapping Act of 2025 represents a significant step towards enhancing the management and understanding of one of the largest freshwater ecosystems in the world. By improving mapping and data collection efforts, the bill aims to support environmental sustainability, economic development, and community engagement in the Great Lakes region.