Great Lakes Mapping Act of 2025
- Sponsor
- Rep. McClain, Lisa C. [R-MI-9]
- Committees
- Natural Resources Committee (primary)
- Last action
- Apr 8, 2025
Bottom line
The bill establishes a comprehensive, federally-led initiative to map the Great Lakes lakebeds, aiming to improve navigation, scientific understanding, and resource management.
What it actually does
This bill directs the National Oceanic and Atmospheric Administration (NOAA) to conduct a high-resolution survey and mapping effort of the Great Lakes lakebeds by December 31, 2030. It mandates coordination with Great Lakes states and relevant organizations, requires public sharing of the collected data and maps, and authorizes $250 million in appropriations over five fiscal years for this purpose.
Proponents argue
Supporters argue that comprehensive, high-resolution mapping of the Great Lakes lakebeds is crucial for safe navigation, effective environmental management, and scientific research into the region's ecosystems. They contend that current maps are outdated or incomplete in many areas, posing risks to shipping and hindering efforts to understand and protect this vital freshwater resource. The collaborative approach ensures broad stakeholder input and data utility.
Opponents contend
Critics might argue that while the goal is laudable, the authorized spending of $250 million over five years represents a significant federal expenditure that could be prioritized differently, especially given existing mapping efforts by state or regional entities. Some might question the necessity of a new, federally mandated effort if current data collection, even if fragmented, is deemed sufficient for critical needs, or if the timeline is too ambitious.
The bill is very short and clearly written, making it highly accessible for a reader to understand its core provisions and implications quickly.
Section 2(a)
High-Resolution Lakebed Mapping Mandate
This section directs the Administrator of the National Oceanic and Atmospheric Administration (NOAA) to lead a collaborative effort to survey and map the lakebeds of the Great Lakes in high resolution. This comprehensive mapping project is given a deadline of December 31, 2030, ensuring a defined timeframe for its completion.
Supporters argue
Supporters argue this mandate is essential to address critical gaps in current Great Lakes bathymetric data, which are vital for navigation safety, environmental protection, and scientific research. The explicit deadline ensures accountability and timely completion of this important work.
Critics contend
No specific opposition is typically raised against the concept of mapping itself, but some might question the federal government's lead role or the specific timeline if it conflicts with ongoing state or local efforts, potentially leading to duplication or inefficient resource allocation.
Tradeoffs
The primary tension is balancing the urgency of comprehensive mapping with the significant resources and coordination required to achieve it within the specified timeframe. It also involves ensuring federal efforts complement, rather than duplicate, existing state or regional initiatives.
Section 2(c)
Mandatory Coordination Requirements
This provision outlines the specific entities with which the NOAA Administrator must coordinate while carrying out the mapping effort. These include the Governors of Great Lakes states, relevant state agencies, the National Ocean Mapping, Exploration, and Characterization Council, the Lakebed 2030 Regional Initiative, other regional ocean observing systems, and any other relevant entity determined by the Administrator.
Section 2(d)
Public Data Management and Product Sharing
This section requires NOAA to make parts of the high-resolution map publicly available as they are completed during the mapping effort. After the effort is finished, the complete map and all associated metadata must be made publicly available within 180 days. Furthermore, NOAA is directed to incorporate this new data into additional products, such as nautical charts and other tools for resource mapping and habitat characterization.
Section 2(f)
Authorization of Appropriations
This section authorizes the appropriation of $50,000,000 for the NOAA Administrator for each of fiscal years 2025 through 2029 to carry out the Great Lakes mapping effort. These authorized funds are specified to remain available through fiscal year 2030, aligning with the project's completion deadline.