119th Congress · introduced in the Senate · Sep 18, 2025
Great Lakes Mass Marking Program Act of 2025
Official title from Congress.gov
Latest action (Sep 18, 2025): Read twice and referred to the Committee on Environment and Public Works.
View on Congress.govPolicy area: Environmental Protection
Congressional Research Service summary, version: Introduced in Senate (Sep 18, 2025)
Great Lakes Mass Marking Program Act of 2025
This bill provides statutory authority for a program of the U.S. Fish and Wildlife Service (FWS) for the mass marking of hatchery-produced fish in the Great Lakes basin. Mass marking is the practice of tagging large numbers of hatchery-produced fish in order to distinguish them from the wild fish population. The FWS initiated the program in 2010 on a limited scale. Under the existing program, the FWS (1) tags hatchery-produced fish stocked in the Great Lakes, and (2) produces data used by state and tribal fish management agencies to make management decisions regarding Great Lakes fisheries.
This bill allows the FWS, in carrying out the program, to (1) purchase items to support and carry out tagging and tag recovery operations on a greater scale, and (2) hire additional personnel.
The FWS must make the data collected under the program available to applicable federal, state, and tribal fish management agencies to
• increase the understanding of the outcomes of management action;
• assist in meeting the restoration objectives of the Great Lakes;
• assist in balancing predators and prey;
• support and improve the economic status of tribal, recreational, and commercial fisheries; and
• assist in evaluating the effectiveness of habitat restoration efforts in the Great Lakes.
Show less of the summaryIncludes amendment, cloture, and procedural votes. Each is labeled with its exact question; only a passage question is a vote to pass the bill.
No recorded roll calls on this bill in coverage.
Read twice and referred to the Committee on Environment and Public Works.
Introduced in Senate
Actions from Congress.gov, newest first.
LD-2 reports whose issue descriptions explicitly cite this bill (bill type and number validated against Congress.gov records). A citation does not establish the client's position or any contact with a member.
Loading lobbying reportsCoverage: reports for 2025 onward, posted Jan 1, 2025 through Oct 24, 2026.
5 citations.
NATURE CONSERVANCY · lobbying firm or registrant: THE NATURE CONSERVANCY
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 20, 2026 · issue area: Natural Resources
$460,000
Spent on own lobbying
…nsfer Act of 2026 (H.R.10458/S. 5440) Great Lakes Fishery Research Reauthorization Act (H.R.1809/S.2878) Great Lakes Mass Marking Program Act of 2025 (H.R.1917/S.2880) Great Lakes Restoration Initiative (GLRI) Act of 2025 (H.R.284/S.528) Incentivizing Readiness and Environmental Protection Integration (REPI) Sales Act of 202…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
NATURE CONSERVANCY · lobbying firm or registrant: THE NATURE CONSERVANCY
2026 Q2 report (Apr 1, 2026 – Jun 30, 2026) · posted Jul 20, 2026 · issue area: Budget/Appropriations
$900,000
Spent on own lobbying
…U.S. Government (President's Budget) Great Lakes Fishery Research Reauthorization Act (H.R.1809/S.2878) Great Lakes Mass Marking Program Act of 2025 (H.R.1917/S.2880) Great Lakes Restoration Initiative (GLRI) Act of 2025 (H.R.284/S.528) Incentivizing Readiness and Environmental Protection Integration (REPI) Sales Act of 202…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
NATURE CONSERVANCY · lobbying firm or registrant: THE NATURE CONSERVANCY
2026 Q1 report (Jan 1, 2026 – Mar 31, 2026) · posted Apr 21, 2026 · issue area: Budget/Appropriations
$640,000
Spent on own lobbying
…U.S. Government (President's Budget) Great Lakes Fishery Research Reauthorization Act (H.R.1809/S.2878) Great Lakes Mass Marking Program Act of 2025 (H.R.1917/S.2880) Integrated Ocean Observation System Reauthorization Act of 2025 (S.2126) National Defense Authorization Act, 2026 (S.2296; S.1071) National Prescribed Fire Ac…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
NATURE CONSERVANCY · lobbying firm or registrant: THE NATURE CONSERVANCY
2026 Q1 report (Jan 1, 2026 – Mar 31, 2026) · posted Apr 21, 2026 · issue area: Natural Resources
$640,000
Spent on own lobbying
…ent Flexibility Act (H.R.2771/S.2566) Great Lakes Fishery Research Reauthorization Act (H.R.1809/S.2878) Great Lakes Mass Marking Program Act of 2025 (H.R.1917/S.2880) Great Lakes Restoration Initiative (GLRI) Act of 2025 (H.R.284/S.528) Incentivizing Readiness and Environmental Protection Integration (REPI) Sales Act of 202…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
NATURE CONSERVANCY · lobbying firm or registrant: THE NATURE CONSERVANCY
2025 Q4 report (Oct 1, 2025 – Dec 31, 2025) · posted Jan 21, 2026 · issue area: Natural Resources
$1,290,000
Spent on own lobbying
…Program Act of 2025 (H.R.3476/S.1050) Great Lakes Fishery Research Reauthorization Act (H.R.1809/S.2878) Great Lakes Mass Marking Program Act of 2025 (H.R.1917/S.2880) Great Lakes Restoration Initiative (GLRI) Act of 2025 (H.R.284/S.528) Jobs in the Woods Act (H.R.4575/S.1336) Legislative and executive advocacy for the Clima…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing