
 
 
Updated October 2, 2020
A Brief Introduction to the National Flood Insurance Program
The National Flood Insurance Program (NFIP) is the 
communities to adopt more rigorous floodplain 
primary source of flood insurance coverage for residential 
management standards.  
properties in the United States. The NFIP has two main 
policy goals: (1) to provide access to primary flood 
NFIP flood insurance policies are sold only in participating 
insurance, thereby allowing for the transfer of some of the 
communities and are offered to both property owners and 
financial risk of property owners to the federal government; 
renters and to residential and nonresidential properties. 
and (2) to mitigate and reduce the nation’s comprehensive 
NFIP policies have relatively low coverage limits, 
flood risk through the development and implementation of 
particularly for nonresidential properties or properties in 
floodplain management standards. A longer-term objective 
high-cost areas. The maximum coverage for single-family 
of the NFIP is to reduce federal expenditure on disaster 
dwellings (which also includes single-family residential 
assistance after floods. As a public insurance program, the 
units within a 2-4 family building) is $100,000 for contents 
goals of the NFIP are different from the goals of private-
and up to $250,000 for building coverage. The maximum 
sector insurance companies. It encompasses social goals to 
available coverage limit for other residential buildings is 
provide flood insurance in flood-prone areas to property 
$500,000 for building coverage and $100,000 for contents 
owners who otherwise would not be able to obtain it and to 
coverage, and the maximum coverage limit for 
reduce the government’s cost after floods. The NFIP also 
nonresidential business buildings is $500,000 for building 
engages in many “noninsurance” activities in the public 
coverage and $500,000 for contents coverage. 
interest: it identifies and maps flood hazards, disseminates 
flood-risk information through flood maps, requires 
Flood Mapping 
community land-use and building-code standards, 
The NFIP approaches the goal of reducing comprehensive 
contributes to community resilience by providing a 
flood risk primarily by requiring participating communities 
mechanism to fund rebuilding after a flood, and offers 
to collaborate with FEMA to develop and adopt flood maps 
grants and incentive programs for household- and 
called Flood Insurance Rate Maps (FIRMs). An area of 
community-level investments in flood-risk reduction.  
specific focus of the FIRM is the Special Flood Hazard 
Area (SFHA). The SFHA is defined by FEMA as an area 
Over 22,000 communities in 56 states and jurisdictions 
with a 1% or greater risk of flooding every year. FIRMs 
participate in the NFIP, with more than 5 million policies 
provide the basis for setting insurance rates, identifying 
providing over $1.3 trillion in coverage. The program 
properties whose owners are required to purchase flood 
collects about $4 billion in annual premium revenue. Floods 
insurance and establishing floodplain management 
are the most common natural disaster in the United States. 
standards that communities must adopt and enforce as part 
All 50 states, plus DC, Puerto Rico, Guam, American 
of their participation in the NFIP. There is no consistent, 
Samoa, the U.S. Virgin Islands, and the Northern Mariana 
definitive timetable for revising and updating FIRMs for a 
Islands have experienced flood events since May 2018.  
particular community. Generally, flood maps may require 
updating after significant new building development in or 
Structure of the NFIP 
near the flood zone, changes to flood-protection systems, or 
The NFIP is managed by the Federal Emergency 
environmental changes in the community. Statutory 
Management Agency (FEMA) through its subcomponent, 
guidelines set out the procedure for developing new FIRMs 
the Federal Insurance and Mitigation Administration. A 
for a community. For example, FEMA is required to 
core design feature of the NFIP is that communities are not 
conduct extensive communication and outreach efforts with 
required to participate in the program by any law or 
the community during the mapping process, which includes 
regulation, but instead participate voluntarily in order to 
several review and comment periods of 30 to 90 days. 
obtain access to NFIP flood insurance. Communities that 
Communities and individuals also have legal recourse to 
choose to participate in the NFIP are required to adopt land 
appeal during the FIRM updating process. After a map is 
use and control measures with effective enforcement 
finalized and adopted by a community, it can still be 
provisions and to regulate development in the floodplain. 
revised to correct for errors in map accuracy. To correct 
FEMA has set forth in federal regulations the minimum 
these inaccuracies, FEMA allows individuals and commun-
standards required for participation in the NFIP; however, 
ities to request letters amending or revising the flood map. 
these standards have the force of law only because they are 
adopted and enforced by a state or local government. Legal 
The Mandatory Purchase Requirement 
enforcement of the floodplain management standards is the 
In a community that participates or has participated in the 
responsibility of the participating NFIP community, which 
NFIP, property owners in the mapped SFHA are required to 
can elect to adopt higher standards as a means of mitigating 
purchase flood insurance as a condition of receiving a 
flood risk. In addition, FEMA operates a program, called 
federally backed mortgage. Federal agencies, federally 
the Community Rating System, to incentivize NFIP 
regulated lending institutions, and government-sponsored 
https://crsreports.congress.gov 
A Brief Introduction to the National Flood Insurance Program 
enterprises must require these property owners to purchase 
October 2017 represents the first time that NFIP debt has 
flood insurance as a condition of any mortgage that these 
been cancelled, although Congress appropriated funds 
entities make, guarantee, or purchase. To comply with this 
between 1980 and 1985 to repay NFIP debt. 
mandate, property owners may purchase flood insurance 
through the NFIP or through a private company, as long as 
Reauthorization of the NFIP 
the private flood insurance meets the condition set by 
Since the end of FY2017, 16 short-term NFIP 
statute that it “provides flood insurance coverage which is 
reauthorizations have been enacted. The NFIP is currently 
at least as broad as the coverage” of the NFIP, among other 
authorized until September 30, 2021. Three bills have been 
conditions. The mandatory purchase requirement is 
introduced in the 116th Congress to provide a longer-term 
enforced by the lender, rather than FEMA. Property owners 
reauthorization of the NFIP and numerous other changes to 
who do not obtain flood insurance when required may find 
the program. H.R. 3167, the National Flood Insurance 
they are not eligible for certain types of disaster assistance 
Program Reauthorization Act of 2019, was introduced on 
after a flood.  
June 6, 2019, and reported favorably by the House 
Financial Services Committee five days later, following a 
Financial Standing of the NFIP 
unanimous vote. S. 2187, the National Flood Insurance 
The NFIP is funded from premiums, fees, and surcharges 
Program Reauthorization and Reform Act of 2019, was 
paid by NFIP policyholders; direct annual appropriations 
introduced on July 18, 2019, with a companion bill, H.R. 
for specific costs of the NFIP (currently only for the flood 
3872, introduced on July 22, 2019. 
hazard mapping and risk analysis program); and borrowing 
from the Treasury when the balance of the National Flood 
The statute for the NFIP does not contain a comprehensive 
Insurance Fund is insufficient to pay the NFIP’s obligations 
expiration, termination, or sunset provision for the whole of 
(e.g., insurance claims). The NFIP was not designed to 
the program. Rather, the NFIP has multiple different legal 
retain funding to cover claims for truly extreme events; 
provisions that generally tie to the expiration of key 
instead, the statute allows the program to borrow money 
components of the program. Unless reauthorized or 
from the Treasury for such events. For most of the NFIP’s 
amended by Congress, the following will occur on 
history, the program was able to borrow relatively small 
September 30, 2021: (1) the authority to provide new flood 
amounts from the Treasury to pay claims and then repay the 
insurance contracts will expire; however, insurance 
loans with interest. However, this changed when Congress 
contracts entered into before the expiration would continue 
increased the level of NFIP borrowing to $20.775 billion to 
until the end of their policy term of one year; and (2) the 
pay claims in the aftermath of the 2005 hurricane season 
authority for NFIP to borrow funds from the Treasury will 
(particularly Hurricanes Katrina, Rita, and Wilma). 
be reduced from $30.425 billion to $1 billion.  
Congress increased the borrowing limit again following 
Hurricane Sandy to its current limit of $30.425 billion.  
CRS Products About the NFIP 
CRS Report R44593, Introduction to the National Flood 
The 2017 hurricane season was the second-largest claims 
Insurance Program (NFIP). 
year in the NFIP’s history—second only to the 2005 
hurricane season. At the beginning of the 2017 hurricane 
CRS Report R46095, The National Flood Insurance 
season, the NFIP owed $24.6 billion. On September 22, 
Program: Selected Issues and Legislation in the 116th 
2017, the NFIP borrowed the remaining $5.825 billion from 
Congress.  
the Treasury to cover claims from Hurricane Harvey, 
reaching the NFIP’s authorized borrowing limit of $30.425 
CRS Report R45242, Private Flood Insurance and the 
billion. On October 26, 2017, Congress cancelled $16 
National Flood Insurance Program. 
billion of NFIP debt to make it possible for the program to 
pay claims for Hurricanes Harvey, Irma, and Maria. FEMA 
CRS Insight IN10450, Private Flood Insurance and the 
borrowed another $6.1 billion on November 9, 2017, to 
National Flood Insurance Program (NFIP). 
fund estimated 2017 losses, including those incurred by 
Hurricanes Harvey, Irma, and Maria, bringing the debt back 
CRS Insight IN10784, National Flood Insurance Program 
up to $20.525 billion. As of August 2020, the NFIP has 
Borrowing Authority. 
$9.9 billion of remaining borrowing authority, as well as 
possible reinsurance payments of up to $2.53 billion. 
CRS Insight IN10835, What Happens If the National Flood 
Insurance Program (NFIP) Lapses? 
The NFIP’s debt is conceptually owed by current and future 
participants in the NFIP, as the insurance program itself 
CRS Insight IN10965, The National Flood Insurance 
owes the debt to the Treasury and pays for accruing interest 
Program (NFIP), Reinsurance, and Catastrophe Bonds. 
on that debt through the premium revenues of 
policyholders. Under its current authorization, the only 
CRS In Focus IF11023, Selected Issues for National Flood 
means the NFIP has to pay off the debt is through the 
Insurance Program (NFIP) Reauthorization and Reform. 
accrual of premium revenues in excess of outgoing claims, 
and from payments made out of the reserve fund. For 
CRS Insight IN10784, National Flood Insurance Program 
example, since 2005 the NFIP has paid $2.82 billion in 
Borrowing Authority. 
principal repayments and $4.8 billion in interest to service 
the debt through the premiums collected on insurance 
Diane P. Horn, Analyst in Flood Insurance and Emergency 
policies. The cancellation of $16 billion of NFIP debt in 
Management  
https://crsreports.congress.gov 
A Brief Introduction to the National Flood Insurance Program 
 
IF10988
 
 
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https://crsreports.congress.gov | IF10988 · VERSION 13 · UPDATED