
 
 
Updated July 28, 2020
Water Resources Development Acts: Primer
Congress often titles omnibus legislation that authorizes 
and social goals and effects in project planning and 
U.S. Army Corps of Engineers (USACE) civil works 
establish cost-sharing and planning requirements for natural 
activities and directs the agency’s practices as a Water 
and nature-based features. For more on these topics, see 
Resources Development Act (WRDA). WRDAs are 
CRS In Focus IF10221, Principles, Requirements, and 
distinguished from each other by referencing the year of 
Guidelines (PR&G) for Federal Investments in Water 
enactment (e.g., WRDA 1986). WRDA provisions 
Resources, and CRS Report R46328, Flood Risk Reduction 
generally add to or amend the pool of existing USACE 
from Natural and Nature-Based Features: Army Corps of 
authorizations and refine policy direction that Congress 
Engineers Authorities.  
provides to the agency. Other provisions may deauthorize 
inactive unconstructed projects. Although the majority of 
AWIA 2020 would expand USACE authorities to perform 
USACE authorizations do not expire, some are time-
rural water supply projects and to address aquatic and 
limited. WRDA provisions also may extend time-limited 
terrestrial invasive species. It also would require an annual 
USACE authorities. Most USACE water resource projects 
report from the Administration to congressional authorizing 
require two types of congressional authorization: one for 
and appropriations committees that identifies USACE 
studying feasibility and a subsequent one for construction. 
authorized studies and projects available for appropriations. 
Drivers for enactment of a new WRDA typically include 
Title II and Title III of the bill would authorize water 
nonfederal and congressional interest in new studies and 
infrastructure and restoration activities of the U.S. 
construction projects and support for adjustments to 
Environmental Protection Agency (EPA) and other federal 
existing projects, programmatic authorities, and policies. 
agencies, including tribal water infrastructure investments. 
Since WRDA 1986, Congress often has considered WRDA 
For more on AWIA 2020’s non-USACE provisions, see 
legislation on a biennial cycle; however, the timing of 
CRS Insight IN11437, Water Infrastructure Legislation in 
enactment of WRDAs has varied. For more on WRDAs, 
the 116th Congress: EPA, Reclamation, and U.S. Army 
see box titled “WRDAs and WRDA Titles in Broader 
Corps of Engineers Provisions.  
Bills.” 
Recent Developments 
WRDAs and WRDA Titles in Broader Bills 
In July 2020, the House Committee on Transportation and 
Historical y,  most Water Resources  Development  Act 
Infrastructure (House T&I) reported H.R. 7575 (WRDA 
provisions  have focused on USACE’s water resource 
2020). The Senate Committee on Environment and Public 
activities,  not the agency’s regulatory responsibilities  (e.g., 
Works (Senate EPW) reported S. 3591, America’s Water 
issuing permits  under Section 404 of the Clean Water Act). 
Infrastructure Act of 2020 (AWIA 2020), in May 2020. 
An exception is WRDA  1992 (P.L. 102-580), which included a 
AWIA 2020’s Title I and WRDA 2020 focus on 
title on contaminated sediment and ocean dumping 
authorizing USACE activities and alter USACE policy 
authorizing both EPA and USACE activities. Since WRDA 
direction provided by Congress. Both bills would authorize 
1992, Congress general y  has not used WRDAs to alter the 
a suite of USACE studies and projects and would adjust the 
scope of USACE’s regulatory authorities.  Since 1992, WRDA 
Inland Waterways Trust Fund (IWTF) contribution for 
provisions  related to USACE’s regulatory program have 
inland and intracoastal waterway construction projects from 
primarily  involved the processing of permit applications (e.g., 
50% to 35% to allow for more federal investment toward 
authorizing USACE to accept funds to expedite processing). 
these projects. The WRDA 2020 IWTF contribution 
reduction would apply in FY2021 through FY2027. For 
The most recent “stand-alone” WRDAs  were enacted in 
more on waterways, see CRS In Focus IF11593, Inland and 
2000, 2007, and 2014. Although most titles  of the Water 
Intracoastal Waterways: Primer and Issues for Congress. 
Resources  Reform and Development  Act of 2014 (WRRDA 
2014; P.L. 113-121) were USACE-focused, some titles 
WRDA 2020 also would change the budget enforcement 
addressed other agencies. WRDA 2016 (Title I of P.L. 114-
rules through a budget cap adjustment for the amount 
322, Water  Infrastructure Improvements  for the Nation Act 
provided to USACE from the Harbor Maintenance Trust 
[WIIN Act]) and WRDA  2018 (Title I of P.L. 115-270, 
America’s  Water Infrastructure Act of 2018 [AWIA 2018]) 
Fund (HMTF) for activities designated as harbor operations 
and maintenance. WRDA 2020 also would allow for the 
were enacted as USACE-focused titles  in broader water bil s 
HMTF to pay for a broader set of activities and alter the 
with titles and provisions authorizing water programs and 
distribution targets for HMTF-funded activities. WRDA 
activities of multiple agencies and departments, such as EPA, 
the Department of the Interior,  and the Federal Energy 
2020 would require USACE to update the agency’s 
guidance on assessing sea level rise for coastal project 
Regulatory Commission.  For more  on WRDAs,  see CRS 
planning. It also would require the agency to adopt 
Report R45185, Army Corps of Engineers: Water  Resource 
procedures to include more consideration of environmental 
Authorization  and Project  Delivery Processes.    
https://crsreports.congress.gov 
Water Resources Development  Acts: Primer 
Congress and USACE Activities 
to assist with municipal drinking water and wastewater 
USACE’s civil works activities historically have focused on 
infrastructure projects in designated communities, counties, 
three primary purposes: improving navigation, reducing 
and states. WRDA 2020 and AWIA 2020 would draw upon 
flood risk, and restoring aquatic ecosystems. Many USACE 
the Section 7001 reports as the basis for authorizing various 
projects are multipurpose—that is, they may provide water 
geographically specific USACE activities, including 
supply storage, recreation, and hydropower, among other 
environmental infrastructure assistance. For more on the 
benefits, in addition to one or more of the three primary 
Section 7001 process, see CRS Insight IN11118, Army 
purposes. USACE is directly engaged in the planning and 
Corps of Engineers: Section 7001 Annual Report on Future 
construction of water resource projects. The majority of 
Studies and Projects.  
USACE appropriations (e.g., more than 80% of annual 
FY2019  appropriations for USACE civil works) is directed 
Nonfederal Responsibilities 
toward performing work on specific studies and for 
Current law requires nonfederal sponsors to share costs and 
construction of USACE projects authorized by Congress. 
assume other responsibilities for most USACE projects. 
Nonfederal sponsors generally are required to provide the 
In WRDAs, Congress establishes the broad structure for 
land and other real estate interests needed for a project and 
how USACE is to perform its work on water resource 
to share study and construction costs. Most studies are cost-
projects (e.g., setting standard federal and nonfederal cost 
shared 50% federal and 50% nonfederal. Congress has set 
shares). Congress also provides the authorization for 
the cost shares for construction and nonfederal 
USACE to perform specific studies and projects. After 
responsibilities following construction for the various 
Congress has authorized the study or construction of a 
USACE project purposes. For instance, Congress has set 
project, however, USACE generally is unable to proceed 
the cost sharing for construction for flood risk reduction 
until it receives funding for that project phase. Congress 
projects at a maximum of 65% federal and minimum of 
provides appropriations for the agency through the annual 
35% nonfederal; for ecosystem restoration, the cost sharing 
Energy and Water Development appropriations process 
is fixed at 65% federal and 35% nonfederal. For most 
and, at times, through supplemental appropriations. For 
USACE flood control and restoration projects, operations, 
more on USACE funding, see CRS Report R46320, U.S. 
maintenance, repair, and rehabilitation are 100% a 
Army Corps of Engineers: Annual Appropriations Process 
nonfederal responsibility. 
and Issues for Congress.  
Deliberations and Considerations 
WRDA Development and Process to 
Related to USACE 
Propose Activities for Authorization 
Although WRDAs often have received significant support 
To develop recent WRDAs, the authorizing committees—
in both chambers, in the past some issues have complicated 
the House T&I and Senate EPW—have held hearings to 
deliberations and enactment. For example, Congress 
obtain testimony from stakeholders and have reviewed 
overcame a presidential veto to enact WRDA 2007. Various 
reports transmitted by the Administration. The 
topics may shape deliberations in 2020 and the future, 
authorizations for most USACE studies and projects are 
including the status and authorization of specific projects, 
geographically specific (e.g., a flood risk reduction project 
post-flood levee repair and study authorities, and effects of 
for a specific community along a river or coast). Scrutiny of 
bill provisions on discretionary spending and/or mandatory 
congressionally directed spending that benefits a specific 
receipts and spending. Numerous studies and projects 
entity or locality (known as earmarking) has altered the 
authorized for construction in previous WRDAs remain 
development of WRDAs s ince WRDA 2007 (P.L. 110-
unfunded. Nonfederal sponsors often remain interested in 
114). During the development of WRDAs over the last 
pursuing these unfunded studies and construction activities. 
decade, authorizing committees have been explicit 
A challenge for policymakers is whether, and if so how, to 
regarding their use of Administration reports and processes 
advance these studies and construction activities. 
as the basis for including geographically specific USACE 
authorizations. For example, Congress has identified 
WRRDA 2014, WRDA 2016, and WRDA 2018 expanded 
favorable reports by the Chief of Engineers (Chief’s 
the opportunities for interested nonfederal entities, 
reports) and other USACE decision documents as the basis 
including private entities, to have greater roles in project 
for new project construction authorizations or modifications 
development, construction, and financing. Although some 
to existing construction authorizations.  
of these authorities may expedite project progress, they also 
have the potential to constrain federal discretion and 
Congress established a new process to assist the 
prioritization of USACE activities. The status of efforts 
congressional authorizing committees in identifying 
under these and other authorities that would allow for loans 
USACE studies and projects to authorize in WRRDA 2014. 
and loan guarantees for water resource projects is among 
In Section 7001 of WRRDA 2014, Congress required the 
the topics that may continue to shape deliberations on 
Administration to transmit each February to the authorizing 
USACE authorities. Additionally, Administration proposals 
committees an annual report on publicly submitted USACE 
and actions and court decisions may shape congressional 
study and project proposals and USACE-developed project 
direction to USACE. 
decision documents that require congressional 
authorization. In WRDA 2016 and WRDA 2018, Congress 
Nicole T. Carter, Specialist in Natural Resources Policy   
expanded the Section 7001 process to include modifications 
Anna E.  Normand,  Analyst in Natural Resources Policy   
to USACE environmental infrastructure assistance 
authorities, which consist of authorities that allow USACE 
IF11322
https://crsreports.congress.gov 
Water Resources Development  Acts: Primer 
 
 
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