IB 
Union Calendar No. 171 
119TH CONGRESS 
1ST SESSION H. R. 1917 
[Report No. 119–210] 
To establish the Great Lakes Mass Marking Program, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
MARCH 6, 2025 
Mrs. DINGELL (for herself, Mr. HUIZENGA, and Mr. WALBERG) introduced 
the following bill; which was referred to the Committee on Natural Resources 
JULY 21, 2025 
Additional sponsors: Mr. FITZPATRICK, Mr. BERGMAN, Ms. KAPTUR, and Mr. 
QUIGLEY 
JULY 21, 2025 
Reported with an amendment, committed to the Committee of the Whole 
House on the State of the Union, and ordered to be printed 
[Strike out all after the enacting clause and insert the part printed in italic] 
[For text of introduced bill, see copy of bill as introduced on March 6, 2025] 
VerDate Sep 11 2014 
23:00 Jul 21, 2025
Jkt 059200
PO 00000
Frm 00001
Fmt 6652
Sfmt 6652
E:\BILLS\H1917.RH
H1917
kjohnson on DSK7ZCZBW3PROD with $$_JOB
A BILL 
To establish the Great Lakes Mass Marking Program, and 
for other purposes. 
VerDate Sep 11 2014 
23:00 Jul 21, 2025
Jkt 059200
PO 00000
Frm 00002
Fmt 6652
Sfmt 6652
E:\BILLS\H1917.RH
H1917
kjohnson on DSK7ZCZBW3PROD with $$_JOB
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Great Lakes Mass Mark-
ing Program Act of 2025’’. 
SEC. 2. FINDINGS. 
Congress finds that— 
(1) the Great Lakes have experienced rapid 
changes in recent years due to— 
(A) the introduction of multiple aquatic 
invasive species; 
(B) alterations in the food web; and 
(C) decreases in the abundance of prey spe-
cies; 
(2) due to rapid biological change in the Great 
Lakes, the Great Lakes need a collaborative, science- 
based program to assist in making management ac-
tions regarding fish stocking rates, the rehabilitation 
of important fish species, and habitat restoration; 
(3) the States of Illinois, Indiana, Michigan, 
Minnesota, Ohio, Pennsylvania, New York, and Wis-
consin and Indian Tribes in those States, working 
through the Council of Lake Committees of the Great 
Lakes Fishery Commission, have identified that mass 
marking is— 
VerDate Sep 11 2014 
23:00 Jul 21, 2025
Jkt 059200
PO 00000
Frm 00003
Fmt 6652
Sfmt 6203
E:\BILLS\H1917.RH
H1917
kjohnson on DSK7ZCZBW3PROD with $$_JOB
(A) a precise tool to keep hatchery-produced 
fish in balance with wild fish; and 
(B) essential to achieving fishery manage-
ment and research objectives through producing 
a better understanding of— 
(i) the quantity of hatchery produced 
fish compared to wild fish in the Great 
Lakes; 
(ii) the effectiveness of hatchery oper-
ations; and 
(iii) the effectiveness of fishery man-
agement actions; 
(4) the mass marking program of the United 
States Fish and Wildlife Service in the Great Lakes— 
(A) was initiated in 2010 on a limited 
scale; 
(B) annually tags approximately 9,000,000 
to 11,000,000 of the hatchery-produced fish 
stocked in the Great Lakes; 
(C) is a basinwide cooperative effort among 
the United States Fish and Wildlife Service, In-
dian Tribes, and State management agencies; 
and 
VerDate Sep 11 2014 
23:00 Jul 21, 2025
Jkt 059200
PO 00000
Frm 00004
Fmt 6652
Sfmt 6203
E:\BILLS\H1917.RH
H1917
kjohnson on DSK7ZCZBW3PROD with $$_JOB