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H.R. 2731
U.S. House•In House Committee
Summary
H.R. 2731, the Great Lakes Mapping Act of 2025, was introduced in the House on Apr 8, 2025 by Rep. Lisa McClain (R) with 18 co-sponsors. It was referred to Natural Resources, and last saw action on Apr 8, 2025: Referred to the House Committee on Natural Resources.
Record
Text
H.R. 2731 has 18 co-sponsors.
hb2731/introduced-in-house.txt119 HR 2731 IH: Great Lakes Mapping Act of 2025U.S. House of Representatives2025-04-08text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 2731 IN THE HOUSE OF REPRESENTATIVES April 8, 2025 Mrs. McClain (for herself, Mrs. Dingell , Mr. Davidson , Mr. Pocan , Mr. Bergman , Ms. Stevens , Mr. Huizenga , Ms. Tlaib , Mr. Barrett , Mr. Schneider , Mr. Stauber , Ms. Scholten , Mr. Lawler , Ms. Kaptur , and Ms. Craig ) introduced the following bill; which was referred to the Committee on Natural Resources A BILLTo direct the Administrator of the National Oceanic and Atmospheric Administration to conduct high-resolution surveying and mapping of the lakebeds of the Great Lakes, and for other purposes.1.Short titleThis Act may be cited as the Great Lakes Mapping Act of 2025 .2.Surveying and mapping of lakebeds of the Great Lakes in high resolution(a)High-Resolution lakebed mappingNot later than December 31, 2030, the Administrator of the National Oceanic and Atmospheric Administration (referred to in this section as the Administrator ) shall carry out a collaborative effort (referred to in this section as the mapping effort ) to survey and map, in high resolution, the lakebeds of the Great Lakes.(b)ElementsThe mapping effort shall include—(1)completing a high-resolution map of the lakebeds of the Great Lakes;(2)collecting and processing high-resolution bathymetric data about the lakebeds of the Great Lakes;(3)using existing systems to catalog bathymetric data and other information regarding the lakebeds of the Great Lakes that the Administrator possesses or has access to independent of the mapping effort or as a result of the mapping effort; and(4)collecting, cataloging, and storing metadata created during the mapping effort.(c)CoordinationIn carrying out the mapping effort, the Administrator shall coordinate with—(1)the Governor of any State that borders any of the Great Lakes;(2)the head of an agency of such a State that is responsible for carrying out policy related to the Great Lakes or the lakebeds of the Great Lakes;(3)the National Ocean Mapping, Exploration, and Characterization Council;(4)the Lakebed 2030 Regional Initiative of the Great Lakes Observing System;(5)other regional ocean observing systems; and(6)any other entity the Administrator determines relevant.(d)Data management; product sharingThe Administrator, in consultation with regional entities, shall—(1)during the mapping effort and within a reasonable time (as determined by the Administrator) after the relevant data is collected pursuant to the mapping effort, make publicly available the parts of the high-resolution map of the lakebeds of the Great Lakes that are completed; and(2)not later than, to the extent practicable, 180 days after completing the mapping effort—(A)make publicly available—(i)the complete high-resolution map of the lakebeds of the Great Lakes; and(ii)any additional information, including metadata, collected under subsection (a) that is required to be released to the public under any other provision of law; and(B)incorporate the data from the map into additional products, including nautical charts and other products determined appropriate by the Administrator, such products used for resource mapping and habitat characterization.(e)Rule of constructionNothing in this section shall be construed to change any process or procedure used by the Administrator in carrying out the requirements of section 4 of the Digital Coast Act ( 16 U.S.C. 1467 ) or the Ocean and Coastal Mapping Integration Act ( 33 U.S.C. 3501 et seq. ).(f)Authorization of appropriations(1)In generalThere is authorized to be appropriated to the Administrator $50,000,000 for each of fiscal years 2025 through 2029 to carry out this section.(2)AvailabilityAmounts appropriated pursuant to the authorization of appropriations under paragraph (1) shall remain available through fiscal year 2030.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-04-08
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To direct the Administrator of the National Oceanic and Atmospheric Administration to conduct high-resolution surveying and mapping of the lakebeds of the Great Lakes, and for other purposes.
Sponsors
Rep. Lisa McClain (R) sponsors H.R. 2731, and 18 members have co-sponsored it, 14 of them from the day it was introduced.

Rep. · R–MI-9 · Sponsor
Introduced Apr 8, 2025

Rep. · R–MI-7 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · R–MI-1 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · D–MN-2 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · R–OH-8 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · D–MI-6 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · R–MI-4 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · D–OH-9 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · R–NY-17 · Co-sponsor
Joined Apr 8, 2025 · Original

Rep. · D–WI-2 · Co-sponsor
Joined Apr 8, 2025 · Original
Committees
H.R. 2731 went before 1 committee: Natural Resources.
Actions
H.R. 2731 has taken 2 actions since Apr 8, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Apr 8, 2025 | House | Introduced in House | ||
Apr 8, 2025 | House | Referred to the House Committee on Natural Resources.Natural Resources Committee |
Votes
H.R. 2731 has not gone to a roll call.
Titles
H.R. 2731 goes by 3 titles, 1 of them short titles.
- Great Lakes Mapping Act of 2025 — Display Title
- Great Lakes Mapping Act of 2025 — Short Title(s) as Introduced
- To direct the Administrator of the National Oceanic and Atmospheric Administration to conduct high-resolution surveying and mapping of the lakebeds of the Great Lakes, and for other purposes. — Official Title as Introduced
Lobbying
1 client hired 1 firm and 7 registered lobbyists who named H.R. 2731 in 7 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Budget/Appropriations, Energy/Nuclear, Marine/Maritime/Boating/Fisheries, Science/Technology, Natural Resources, Government Issues.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| OCEAN CONSERVANCY | — | District of Columbia | 1 | 7 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| OCEAN CONSERVANCY | 1 | 7 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| CAITLIN HART | 1 | 1 | 7 |
| KATHERINE TSANTIRIS | 1 | 1 | 7 |
| NAYYIR RANSOME | 1 | 1 | 7 |
| SARA WANOUS | 1 | 1 | 7 |
| RACHAEL DEWITT | 1 | 1 | 5 |
| MARK CASON | 1 | 1 | 1 |
| RAFEED HUSSAIN | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2026 second_quarter | $260K | 2nd Quarter - Report |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2025 second_quarter | $225.7K | 2nd Quarter - Report |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2026 first_quarter | $202K | 1st Quarter - Report |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2025 third_quarter | $202K | 3rd Quarter - Report |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2025 third_quarter | $179K | 3rd Quarter - Amendme… |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2025 fourth_quarter | $143K | 4th Quarter - Report |
| OCEAN CONSERVANCY | OCEAN CONSERVANCY | 2025 first_quarter | $133K | 1st Quarter - Report |
Classification
The Congressional Research Service files H.R. 2731 under Public Lands and Natural Resources, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 2731’s is Public Lands and Natural Resources.
hr2731/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 2731, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 63 (Tuesday, April 8, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mrs. McCLAIN:H.R. 2731.Congress has the power to enact this legislation pursuantto the following:Article I, Section 8[Page H1508]
Source: congress.gov · legiscan.com