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S. 4146
U.S. Senate•In Senate Committee
Summary
S. 4146, the Local Data for Better Conservation Act, was introduced in the Senate on Mar 19, 2026 by Sen. Cynthia Lummis (R) with 8 co-sponsors. It was referred to Environment And Public Works, and last saw action on Mar 19, 2026: Read twice and referred to the Committee on Environment and Public Works.
Record
Text
S. 4146 has 8 co-sponsors.
sb4146/introduced-in-senate.txt119 S4146 IS: Local Data for Better Conservation ActU.S. Senate2026-03-19text/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.II 119th CONGRESS 2d Session S. 4146 IN THE SENATE OF THE UNITED STATES March 19, 2026 Ms. Lummis (for herself, Mr. Barrasso , Mr. Sheehy , Mr. Ricketts , and Mr. Daines ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILLTo amend the Endangered Species Act of 1973 with respect to the listing of threatened and endangered species, and for other purposes.1.Short titleThis Act may be cited as the Local Data for Better Conservation Act .2.Listing determinationsSection 4 of the Endangered Species Act of 1973 ( 16 U.S.C. 1533 ) is amended by adding at the end the following:(j)State dataIn making a determination to list, or delist, a species as a threatened species or an endangered species under this section, the Secretary shall accept and integrate State-collected data..
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2026-03-19
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
A bill to amend the Endangered Species Act of 1973 with respect to the listing of threatened and endangered species, and for other purposes.
Sponsors
Sen. Cynthia Lummis (R) sponsors S. 4146, and 8 members have co-sponsored it, 4 of them from the day it was introduced.

Sen. · R–WY · Sponsor
Introduced Mar 19, 2026

Sen. · R–WY · Co-sponsor
Joined Mar 19, 2026 · Original

Sen. · R–MT · Co-sponsor
Joined Mar 19, 2026 · Original

Sen. · R–NE · Co-sponsor
Joined Mar 19, 2026 · Original

Sen. · R–MT · Co-sponsor
Joined Mar 19, 2026 · Original

Sen. · R–AL · Co-sponsor
Joined Mar 23, 2026

Sen. · R–FL · Co-sponsor
Joined Mar 23, 2026

Sen. · R–AK · Co-sponsor
Joined Mar 24, 2026

Sen. · R–PA · Co-sponsor
Joined Aug 4, 2026
Committees
S. 4146 went before 1 committee: Environment and Public Works.
Actions
S. 4146 has taken 2 actions since Mar 19, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Mar 19, 2026 | Senate | Read twice and referred to the Committee on Environment and Public Works.Environment and Public Works Committee | ||
Mar 19, 2026 | — | Introduced in Senate |
Votes
S. 4146 has not gone to a roll call.
Related bills
1 bill is related to S. 4146, as Identical bill.
Titles
S. 4146 goes by 3 titles, 1 of them short titles.
- Local Data for Better Conservation Act — Display Title
- Local Data for Better Conservation Act — Short Title(s) as Introduced
- A bill to amend the Endangered Species Act of 1973 with respect to the listing of threatened and endangered species, and for other purposes. — Official Title as Introduced
Lobbying
2 clients hired 2 firms and 10 registered lobbyists who named S. 4146 in 3 quarterly filings, 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 Animals, Budget/Appropriations, Energy/Nuclear, Homeland Security, Immigration, Natural Resources.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| PET INDUSTRY JOINT ADVISORY COUNCIL | — | Virginia | 1 | 2 | — |
| DEFENDERS OF WILDLIFE | — | District of Columbia | 1 | 1 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| PET INDUSTRY JOINT ADVISORY COUNCIL | 1 | 2 | — |
| DEFENDERS OF WILDLIFE | 1 | 1 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| ALISA CLEMENTS | 1 | 1 | 2 |
| ALYSSA MILLER | 1 | 1 | 2 |
| ASHLEY BRINKMAN | 1 | 1 | 2 |
| LAUREN CALMET | 1 | 1 | 2 |
| CASSIE FERRI | 1 | 1 | 1 |
| CHRISTOPHER WESTFALL | 1 | 1 | 1 |
| DANIEL MOSS | 1 | 1 | 1 |
| MARY BEETHAM | 1 | 1 | 1 |
| MICHAEL LEAHY | 1 | 1 | 1 |
| TAYLOR RUSH | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| DEFENDERS OF WILDLIFE | DEFENDERS OF WILDLIFE | 2026 second_quarter | $270K | 2nd Quarter - Report |
| PET INDUSTRY JOINT ADVISORY COUNCIL | PET INDUSTRY JOINT ADVISORY COUNCIL | 2026 second_quarter | — | 2nd Quarter - Report |
| PET INDUSTRY JOINT ADVISORY COUNCIL | PET INDUSTRY JOINT ADVISORY COUNCIL | 2026 first_quarter | — | 1st Quarter - Report |
Classification
The Congressional Research Service files S. 4146 under Environmental Protection, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 4146’s is Environmental Protection.
s4146/policy-areas.txtSource: congress.gov · legiscan.com
