HR-6127-118
Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 728.
Sponsored by Blake Moore (R-UT)
What it does
The MAPWaters Act would require the U.S. Forest Service and the Department of the Interior to jointly develop uniform standards for collecting and sharing digital map data about public recreational access to federal waterways and federal fishing restrictions. Both agencies would be required to publish this geographic information system (GIS) data online, update it at least twice per year, and create a public process for submitting questions or comments about the data.
Who benefits
Recreational users of federal waterways — including anglers, kayakers, canoeists, hikers, and boaters — who would gain easier access to accurate, up-to-date information about where they can legally fish or recreate. Outdoor recreation businesses (outfitters, guide services, gear retailers) that depend on public access to federal waters. Rural and low-income users who rely on free public resources rather than paid mapping services. Researchers and conservationists who use federal geospatial data.
Who is hurt
Federal agencies (Forest Service and Interior) that would bear new administrative and technology costs to digitize, standardize, and maintain the data systems. Taxpayers who fund those agency operations. Private mapping and outdoor navigation companies (e.g., commercial fishing or recreation app providers) whose paid products may face competition from free government data. State fish and wildlife agencies that may face pressure to align their own data systems with new federal standards.
Supporters argue
Supporters argue that the federal government already owns and manages vast waterway access data, but that data is scattered across incompatible agency systems, making it difficult for the public to know where they can legally fish or recreate on land they collectively own. Standardizing and publishing this information online would reduce confusion, lower the risk of unintentional violations of fishing restrictions, and democratize access to outdoor recreation by giving all Americans — not just those who can afford premium mapping apps — reliable, free information. Twice-yearly updates and a public comment process would keep the data accurate and responsive to real-world conditions. Supporters also contend the bill imposes a modest, well-defined mandate on agencies that already collect much of this data, making it a low-cost, high-value transparency measure.
Opponents argue
Opponents argue that while the goal of better public data sounds appealing, the bill creates new unfunded mandates on already resource-constrained federal agencies, potentially diverting staff and budget from on-the-ground land management priorities. Digitizing and maintaining interoperable GIS databases across two large agencies is technically complex and could cost significantly more than anticipated, with no guaranteed funding mechanism in the bill. Critics may also contend that waterway access rules vary widely by state and locality, and a federal standardization effort could create confusion or conflict with existing state fish and wildlife data systems. Additionally, the twice-yearly update requirement may be difficult to meet for remote or infrequently monitored waterways, potentially resulting in inaccurate published data that misleads users rather than helping them.
Constitutional context
The bill rests on Congress's authority to manage federal property under the Property Clause (Art. IV, §3, cl. 2) and to direct executive agencies under the Necessary and Proper Clause (Art. I, §8). Because it directs specific agency actions rather than regulating private conduct, Commerce Clause questions are minimal. Post-Loper Bright (2024), courts independently review agency interpretations of statutory mandates, meaning any ambiguity in the bill's data standards requirements could be subject to judicial scrutiny without deference to agency judgment. The bill does not raise significant Takings, Tenth Amendment, or major questions doctrine concerns, as it neither restricts private property use nor delegates broad regulatory authority to agencies.
Checks and balances
The bill shifts a narrow slice of executive branch discretion toward Congress by imposing specific, mandatory timelines and interoperability requirements on the Forest Service and Interior, rather than leaving data publication to agency discretion. The executive branch retains authority over the technical standards themselves and the design of the public comment process. No new judicial review mechanisms are created.
Historical precedent
The OPEN Government Data Act (2018, Title II of the Foundations for Evidence-Based Policymaking Act) similarly required federal agencies to publish government data assets in open, machine-readable formats, establishing a precedent for Congress mandating agency data standardization and public availability.