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33 U.S.C. § 2309a — Project modifications for improvement
Federal law — U.S. Code and appendices · legal_authorities
Page 794
TITLE 33—NAVIGATION AND NAVIGABLE WATERS
§ 2309a
ment Corporation’’ for ‘‘Saint Lawrence Seaway Devel-
opment Corporation’’.
Statutory Notes and Related Subsidiaries
TERMINATION OF REPORTING REQUIREMENTS
For termination, effective May 15, 2000, of provisions
in subsec. (c)(3) of this section relating to the require-
ment that the international advisory group report bi-
ennially to Congress, see section 3003 of Pub. L. 104–66,
as amended, set out as a note under section 1113 of
Title 31, Money and Finance, and page 193 of House
Document No. 103–7.
§ 2309a. Project modifications for improvement
of environment or drought resiliency
(a) Determination of need
The Secretary is authorized to review water
resources projects constructed by the Secretary
to determine the need for modifications in the
structures and operations of such projects for
the purpose of—
(1) improving the quality of the environment
in the public interest and to determine if the
operation of such projects has contributed to
the degradation of the quality of the environ-
ment; or
(2) providing drought resiliency.
(b) Authority to make modifications
The Secretary is authorized to carry out a pro-
gram for the purpose of making such modifica-
tions in the structures and operations of water
resources projects constructed by the Secretary
which the Secretary determines (1) are feasible
and consistent with the authorized project pur-
poses, and (2) will provide for drought resilience
or will improve the quality of the environment
in the public interest.
(c) Restoration of environmental quality
(1) In general
If the Secretary determines that construc-
tion of a water resources project by the Sec-
retary or operation of a water resources
project constructed by the Secretary h
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Page 794
TITLE 33—NAVIGATION AND NAVIGABLE WATERS
§ 2309a
ment Corporation’’ for ‘‘Saint Lawrence Seaway Devel-
opment Corporation’’.
Statutory Notes and Related Subsidiaries
TERMINATION OF REPORTING REQUIREMENTS
For termination, effective May 15, 2000, of provisions
in subsec. (c)(3) of this section relating to the require-
ment that the international advisory group report bi-
ennially to Congress, see section 3003 of Pub. L. 104–66,
as amended, set out as a note under section 1113 of
Title 31, Money and Finance, and page 193 of House
Document No. 103–7.
§ 2309a. Project modifications for improvement
of environment or drought resiliency
(a) Determination of need
The Secretary is authorized to review water
resources projects constructed by the Secretary
to determine the need for modifications in the
structures and operations of such projects for
the purpose of—
(1) improving the quality of the environment
in the public interest and to determine if the
operation of such projects has contributed to
the degradation of the quality of the environ-
ment; or
(2) providing drought resiliency.
(b) Authority to make modifications
The Secretary is authorized to carry out a pro-
gram for the purpose of making such modifica-
tions in the structures and operations of water
resources projects constructed by the Secretary
which the Secretary determines (1) are feasible
and consistent with the authorized project pur-
poses, and (2) will provide for drought resilience
or will improve the quality of the environment
in the public interest.
(c) Restoration of environmental quality
(1) In general
If the Secretary determines that construc-
tion of a water resources project by the Sec-
retary or operation of a water resources
project constructed by the Secretary has con-
tributed to the degradation of the quality of
the environment, the Secretary may under-
take measures for restoration of environ-
mental quality and measures for enhancement
of environmental quality that are associated
with the restoration, through modifications
either at the project site or at other locations
that have been affected by the construction or
operation of the project, if such measures do
not conflict with the authorized project pur-
poses.
(2) Control of sea lamprey
Congress finds that—
(A) the Great Lakes navigation system has
been instrumental in the spread of sea lam-
prey and the associated impacts on its fish-
ery; and
(B) the use of the authority under this sub-
section for control of sea lamprey at any
Great Lakes basin location is appropriate.
(d) Non-Federal share; limitation on maximum
Federal expenditure
The non-Federal share of the cost of any modi-
fications or measures carried out or undertaken
pursuant to subsection (b) or (c) shall be 25 per-
cent. The non-Federal share may be provided in
kind, including a facility, supply, or service that
is necessary to carry out the modification or
measure. Not more than $15,000,000 in Federal
funds may be expended on any single modifica-
tion or measure carried out or undertaken pur-
suant to this section.
(e) Coordination of actions
The Secretary shall coordinate any actions
taken pursuant to this section with appropriate
Federal, State, and local agencies.
(f) Omitted
(g) Nonprofit entities
Notwithstanding section 1962d–5b of title 42, a
non-Federal sponsor for any project carried out
under this section may include a nonprofit enti-
ty, with the consent of the affected local govern-
ment.
(h) Authorization of appropriations
There is authorized to be appropriated not to
exceed $62,000,000 annually to carry out this sec-
tion.
(i) Definition
In this section, the term ‘‘water resources
project constructed by the Secretary’’ includes a
water resources project constructed or funded
jointly by the Secretary and the head of any
other Federal agency (including the Natural Re-
sources Conservation Service).
(j) Drought Resilience
Drought resilience measures carried out under
this section may include—
(1) water conservation measures to mitigate
and address drought conditions;
(2) removal of sediment captured behind a
dam for the purpose of restoring or increasing
the authorized storage capacity of the project
concerned;
(3) the planting of native plant species that
will reduce the risk of drought and the inci-
dence of nonnative species; and
(4) other actions that increase drought resil-
ience, water conservation, or water avail-
ability.
(Pub. L. 99–662, title XI, § 1135, Nov. 17, 1986, 100
Stat. 4251; Pub. L. 100–676, § 41, Nov. 17, 1988, 102
Stat. 4040; Pub. L. 101–640, title III, § 304, Nov. 28,
1990, 104 Stat. 4634; Pub. L. 102–580, title II, § 202,
Oct. 31, 1992, 106 Stat. 4826; Pub. L. 104–303, title
II, § 204, Oct. 12, 1996, 110 Stat. 3678; Pub. L.
106–53, title V, § 506, Aug. 17, 1999, 113 Stat. 338;
Pub. L. 106–541, title II, § 210(c), Dec. 11, 2000, 114
Stat. 2592; Pub. L. 110–114, title II, § 2024, Nov. 8,
2007, 121 Stat. 1079; Pub. L. 113–121, title I,
§ 1030(f), June 10, 2014, 128 Stat. 1232; Pub. L.
115–270, title I, § 1157(g), Oct. 23, 2018, 132 Stat.
3794; Pub. L. 118–272, div. A, title I, § 1107(g), Jan.
4, 2025, 138 Stat. 3005.)
Editorial Notes
CODIFICATION
Subsec. (f) of this section, which required the Sec-
retary to transmit biennial reports to Congress on the
results of reviews conducted under subsec. (a) of this
section and on the programs conducted under subsecs.
Page 795
TITLE 33—NAVIGATION AND NAVIGABLE WATERS
§ 2310
(b) and (c) of this section, terminated, effective May 15,
2000, pursuant to section 3003 of Pub. L. 104–66, as
amended, set out as a note under section 1113 of Title
31, Money and Finance. See, also, page 72 of House Doc-
ument No. 103–7.
Section was formerly set out as a note under section
2294 of this title.
AMENDMENTS
2025—Pub. L. 118–272, § 1107(g)(1), inserted ‘‘or drought
resiliency’’ after ‘‘environment’’ in section catchline.
Subsec. (a). Pub. L. 118–272, § 1107(g)(2), substituted
‘‘for the purpose of—’’ for ‘‘for the purpose of’’, des-
ignated remainder of existing provisions as par. (1),
substituted ‘‘environment; or’’ for ‘‘environment.’’, and
added par. (2).
Subsec. (b). Pub. L. 118–272, § 1107(g)(3), substituted
‘‘(2) will provide for drought resilience or will improve’’
for ‘‘(2) will improve’’.
Subsec. (d). Pub. L. 118–272, § 1107(g)(4), substituted
‘‘$15,000,000’’ for ‘‘$10,000,000’’.
Subsec. (h). Pub. L. 118–272, § 1107(g)(5), substituted
‘‘$62,000,000’’ for ‘‘$50,000,000’’.
Subsec. (j). Pub. L. 118–272, § 1107(g)(6), added subsec.
(j).
2018—Subsec.
(h).
Pub.
L.
115–270
substituted
‘‘$50,000,000’’ for ‘‘$40,000,000’’.
2014—Subsec. (d). Pub. L. 113–121 substituted ‘‘The
non-Federal share may be provided’’ for ‘‘Not more
than 80 percent of the non-Federal share may be’’ and
‘‘$10,000,000’’ for ‘‘$5,000,000’’.
2007—Subsec.
(h).
Pub.
L.
110–114
substituted
‘‘$40,000,000’’ for ‘‘$25,000,000’’.
2000—Subsecs. (g) to (i). Pub. L. 106–541 added subsec.
(g) and redesignated former subsecs. (g) and (h) as (h)
and (i), respectively.
1999—Subsec. (c). Pub. L. 106–53 designated existing
provisions as par. (1), inserted heading, and added par.
(2).
1996—Subsec. (a). Pub. L. 104–303, § 204(a), struck out
‘‘the operation of’’ after ‘‘to review’’ and inserted be-
fore period at end ‘‘and to determine if the operation of
such projects has contributed to the degradation of the
quality of the environment’’.
Subsec. (b). Pub. L. 104–303, § 204(b), struck out at end
‘‘The non-Federal share of the cost of any modifica-
tions carried out under this section shall be 25 percent.
No modification shall be carried out under this section
without specific authorization by Congress if the esti-
mated cost exceeds $5,000,000.’’
Subsecs. (c), (d). Pub. L. 104–303, § 204(c)(2), added sub-
secs. (c) and (d). Former subsecs. (c) and (d) redesig-
nated (e) and (f), respectively.
Subsec. (e). Pub. L. 104–303, § 204(c)(1), redesignated
subsec. (c) as (e). Former subsec. (e) redesignated (g).
Subsec. (f). Pub. L. 104–303, § 204(c)(1), (3), redesignated
subsec. (d) as (f) and substituted ‘‘programs conducted
under subsections (b) and (c)’’ for ‘‘program conducted
under subsection (b)’’.
Subsec. (g). Pub. L. 104–303, § 204(c)(1), redesignated
subsec. (e) as (g).
Subsec. (h). Pub. L. 104–303, § 204(d), added subsec. (h).
1992—Subsec. (b). Pub. L. 102–580, § 202(1), inserted at
end ‘‘No modification shall be carried out under this
section without specific authorization by Congress if
the estimated cost exceeds $5,000,000.’’
Subsec. (e). Pub. L. 102–580, § 202(2), substituted
‘‘$25,000,000’’ for ‘‘$15,000,000’’.
1990—Subsec. (a). Pub. L. 101–640, § 304(a), struck out
‘‘before the date of enactment of this Act’’ after ‘‘con-
structed by the Secretary’’.
Subsec. (b). Pub. L. 101–640, § 304(b), substituted ‘‘pro-
gram’’ for ‘‘demonstration program in the 5-year period
beginning on the date of enactment of this Act’’ and
struck out ‘‘before the date of enactment of this Act’’
after ‘‘constructed by the Secretary’’.
Subsec. (d). Pub. L. 101–640, § 304(c), amended subsec.
(d) generally. Prior to amendment, subsec. (d) read as
follows: ‘‘Not later than 5 years after the date of enact-
ment of this Act, the Secretary shall transmit to Con-
gress a report on the results of the review conducted
under subsection (a) and on the demonstration program
conducted under subsection (b). Such report shall con-
tain any recommendations of the Secretary concerning
modification and extension of such program.’’
Subsec. (e). Pub. L. 101–640, § 304(d), substituted
‘‘$15,000,000 annually to carry out this section’’ for
‘‘$25,000,000 to carry out this section’’.
1988—Subsec. (b). Pub. L. 100–676, § 41(a), substituted
‘‘5-year period’’ for ‘‘two-year period’’.
Subsec. (d). Pub. L. 100–676, § 41(b), substituted ‘‘5
years’’ for ‘‘two years’’.
§ 2310. Cost sharing for Territories and Indian
tribes
(a) In general
The Secretary shall waive local cost-sharing
requirements up to $200,000 for all studies and
projects—
(1) in American Samoa, Guam, the Northern
Mariana Islands, the Virgin Islands, Puerto
Rico, and the Trust Territory of the Pacific Is-
lands;
(2) for any Indian tribe or tribal organization
(as those terms are defined in section 5304 of
title 25); and
(3) for any organization that—
(A) is composed primarily of people who
are—
(i) recognized and defined under Federal
law as indigenous people of the United
States; and
(ii) from a specific community; and
(B) assists in the social, cultural, and edu-
cational development of such people in that
community.
(b) Inflation adjustment
The Secretary shall adjust the dollar amount
specified in subsection (a) on an annual basis for
inflation.
(c) Inclusion
For purposes of this section, the term ‘‘study’’
includes a watershed assessment.
(d) Application
The Secretary shall apply the waiver amount
described in subsection (a) to reduce only the
non-Federal share of study and project costs.
(Pub. L. 99–662, title XI, § 1156, Nov. 17, 1986, 100
Stat. 4256; Pub. L. 113–121, title I, § 1032, June 10,
2014, 128 Stat. 1233; Pub. L. 114–322, title I, § 1119,
Dec. 16, 2016, 130 Stat. 1643; Pub. L. 115–270, title
I, §§ 1155(a), 1156, Oct. 23, 2018, 132 Stat. 3793; Pub.
L. 116–260, div. AA, title I, § 135, Dec. 27, 2020, 134
Stat. 2649; Pub. L. 117–263, div. H, title LXXXI,
§ 8114, Dec. 23, 2022, 136 Stat. 3707.)
Editorial Notes
AMENDMENTS
2022—Subsec. (a)(3). Pub. L. 117–263, § 8114(1), added
par. (3).
Subsecs. (c), (d). Pub. L. 117–263, § 8114(2), added sub-
secs. (c) and (d).
2020—Subsec. (b). Pub. L. 116–260 substituted ‘‘on an
annual basis for inflation.’’ for ‘‘for inflation for the pe-
riod beginning on November 17, 1986, and ending on Oc-
tober 23, 2018.’’
2018—Subsec. (a)(2). Pub. L. 115–270, § 1155(a), sub-
stituted ‘‘or tribal organization (as those terms are de-
fined in section 5304 of title 25).’’ for ‘‘(as defined in sec-
tion 5130 of title 25).’’
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Program authority** The Secretary shall undertake a program of research for the control of ice, and to assist communities in breaking up ice, which otherwise is likely to cause or aggravate flood damage or severe streambank erosion.
**(b) Assistance to units of local government** The Secretary is further authorized to provide technical assistance to units of local government to implement local plans to control or break up such ice. As part of such authority, the Secretary shall acquire necessary ice-control or ice-breaking equipment, which shall be loaned to units of local government together with operating assistance, where appropriate.
**(c) Authorization of appropriations** There is authorized to be appropriated $5,000,000 per fiscal year for each of the fiscal years 1988, 1989, 1990, 1991, and 1992 for purposes of carrying out subsections (a) and (b) of this section, such sums to remain available until expended.
**(d) Hardwick, Vermont, demonstration program** To implement further the purposes of this section, the Secretary, in consultation and cooperation with local officials, is authorized and directed to undertake a demonstration program for the control of ice at Hardwick, Vermont. The work authorized by this subsection shall be designed to minimize the danger of flooding due to ice problems in the vicinity of such community. In the design, construction, and location of ice-control structures for this project, full consideration will be given to the recreational, scenic, and environmental values of the reach of river affected by the project, in order to minimize project impacts on these values. Full opportunity shall be given to interested environmental and recreational organizations to participate in such planning. There is authorized to be appropriated
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