119-HR-187 DC Insider Whip Count Analysis

Breakdown

Recorded votes and floor handling indicate near-unanimous support across both parties and relevant caucuses.

• House: Passed 413-0 on suspension (Roll No. 19) with 211 Republicans and 202 Democrats voting yea. [1]House Republican Cloakroom — Republican Cloakroom — Floor summary for January 2…
• Senate: Committee discharged by unanimous consent; passed without amendment by voice vote on December 16, 2025. [6]FastDemocracy — FastDemocracy — H.R. 187 actions (ENR discharged by UC; Senate…[2]Congress.gov — Congress.gov — H.R. 187 Titles (Latest Action: Passed Senate by…
• Floor handling: In the House, Natural Resources Chair Bruce Westerman managed the bill on suspension; debate reflected no organized opposition. In the Senate, leadership cleared it by UC before year-end. [7]Congress.gov / GPO — Congressional Record (H238–H240) — House debate on H.R. 18…[3]U.S. Senate Democratic Caucus — Senate Democratic Caucus — Wrap Up for Tuesday,…
• Caucus alignment: Sponsors and floor champions are active in the Congressional Sportsmen’s Caucus; the bill is flagged as a CSC priority. [8]Congressional Sportsmen’s Foundation — Congressional Sportsmen’s Foundation — M…

Institutional context: with Republicans holding the House and Senate in the 119th Congress, and a Republican White House, low‑controversy, access‑and‑data bills like MAPWaters move quickly via suspension/UC pathways. [4]Wikipedia — 119th United States Congress[5]NPR — NPR — Trump sworn in as the 47th president; Vance sworn in as vice presid…

Key Legislators

No true swing votes emerged; success hinged on sponsors, committee chairs, and floor leaders streamlining process.

• House sponsor: Rep. Blake Moore (R-UT); public release touting House passage underscored bipartisan framing. [9]Office of Rep. Blake Moore — Rep. Blake Moore — Press release on House passage…
• House manager: Chair Bruce Westerman (R-AR) moved the bill on suspension; his chairmanship positioned the measure for the floor. [7]Congress.gov / GPO — Congressional Record (H238–H240) — House debate on H.R. 18…[10]House Committee on Natural Resources — House Committee on Natural Resources — C…
• Senate leads: Sens. John Barrasso (R-WY) and Angus King (I-ME) have been the Senate faces of MAPWaters (and the related MAPOceans effort), providing cross‑caucus cover. [11]Web search · turn 11 #10
• Committee of jurisdiction: Senate Energy & Natural Resources under Chair Mike Lee (R-UT) and Ranking Member Martin Heinrich (D-NM) — ultimate discharge by UC signaled no substantive committee friction. [12]U.S. Senate ENR Committee — Senate Energy & Natural Resources Committee — Heinr…[6]FastDemocracy — FastDemocracy — H.R. 187 actions (ENR discharged by UC; Senate…

Leadership Influence & Procedure

Leadership allowed fast‑track consideration; process points indicate active facilitation rather than resistance.

• House leadership put H.R. 187 on the suspension calendar, minimizing amendment risk and requiring two‑thirds—easily achieved given bipartisan support. [1]House Republican Cloakroom — Republican Cloakroom — Floor summary for January 2…
• Senate Majority Leader John Thune’s control of floor time and the year‑end clearing calendar enabled UC/voice votes for low‑controversy items including H.R. 187. [13]Office of U.S. Senator John Thune — Sen. John Thune — First remarks as Senate M…[3]U.S. Senate Democratic Caucus — Senate Democratic Caucus — Wrap Up for Tuesday,…
• Republican unified control in the 119th further reduced cross‑chamber friction on consensus recreation/access measures. [4]Wikipedia — 119th United States Congress

Interest Groups & Outside Signals

The bill drew broad, non-ideological support from the recreation and conservation space—useful positive pressure on both caucuses.

• Theodore Roosevelt Conservation Partnership: announced Senate passage and that the bill is heading to the President’s desk; framed as an access/enforcement‑clarity win. [14]Theodore Roosevelt Conservation Partnership — TRCP — MAPWaters Act heads to Pre…
• American Sportfishing Association: applauded House passage and emphasized benefits to anglers and the industry. [15]ASA — American Sportfishing Association — House passes priority sportfishing bi…
• Congressional Sportsmen’s Foundation: labeled MAPWaters a CSC priority and confirmed the bill’s delivery to the President. [8]Congressional Sportsmen’s Foundation — Congressional Sportsmen’s Foundation — M…

Assessment

Bottom line: the bill is through Congress; only presentational risk is executive action timing.

• Status: Passed House and Senate; on the President’s desk as of December 16–18, 2025. [2]Congress.gov — Congress.gov — H.R. 187 Titles (Latest Action: Passed Senate by…[3]U.S. Senate Democratic Caucus — Senate Democratic Caucus — Wrap Up for Tuesday,…
• Likelihood of enactment: High. Bipartisan votes, no recorded Senate opposition, and strong stakeholder backing reduce veto risk under current partisan alignment. [1]House Republican Cloakroom — Republican Cloakroom — Floor summary for January 2…[14]Theodore Roosevelt Conservation Partnership — TRCP — MAPWaters Act heads to Pre…[4]Wikipedia — 119th United States Congress
• Confidence: High.

Sourcing

Primary legislative records and official statements corroborate the whip landscape and procedural path.

• House vote record/summary and floor debate citations. [1]House Republican Cloakroom — Republican Cloakroom — Floor summary for January 2…[7]Congress.gov / GPO — Congressional Record (H238–H240) — House debate on H.R. 18…
• Senate passage and daily wrap-up confirmation. [2]Congress.gov — Congress.gov — H.R. 187 Titles (Latest Action: Passed Senate by…[3]U.S. Senate Democratic Caucus — Senate Democratic Caucus — Wrap Up for Tuesday,…
• Committee leadership and jurisdictional context. [10]House Committee on Natural Resources — House Committee on Natural Resources — C…[12]U.S. Senate ENR Committee — Senate Energy & Natural Resources Committee — Heinr…
• Majority control and leadership roles. [4]Wikipedia — 119th United States Congress[13]Office of U.S. Senator John Thune — Sen. John Thune — First remarks as Senate M…
• Sponsor and stakeholder support. [9]Office of Rep. Blake Moore — Rep. Blake Moore — Press release on House passage…[15]ASA — American Sportfishing Association — House passes priority sportfishing bi…[8]Congressional Sportsmen’s Foundation — Congressional Sportsmen’s Foundation — M…[14]Theodore Roosevelt Conservation Partnership — TRCP — MAPWaters Act heads to Pre…
• UC discharge detail (tracking corroboration). [6]FastDemocracy — FastDemocracy — H.R. 187 actions (ENR discharged by UC; Senate…