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Flood Reduction Grants

Grants to Washington Nonprofits, Agencies, Schools, and
Associations for Stormwater and Flood Control Projects

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King County Flood Control District

Deadline Date:

05/21/21 Receipt


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Grants to Washington nonprofit organizations, government agencies, tribes, schools, special districts, and associations for activities that reduce the risk of natural disasters in eligible locations. Funding is intended to support projects that improve stormwater systems and target flood-risk reduction along rivers, streams, lakes, and other areas. Eligible applicants are located in and serve the residents of King County.

 Eligible projects will meet the following requirements:

  1. The proposed project must provide a flood reduction benefit so that it directly addresses existing or potential flooding. 
  2. The proposed project must provide a clear economic benefit that extends beyond the applicant to the broader public good
  3. The proposed project must include on-the-ground structural improvements.

For additional information about these requirements see the URL for Full Text, below.

The Flood Control District is offering funds in four grant categories:

  • Original Flood Reduction
  • Urban Streams
  • Coastal Erosion/Coastal Flooding
  • Culvert Replacement/Fish Passage

Categories will meet the following criteria/guidelines:

Original Flood Reduction

  • This general category will continue to be funded for projects within King County that will result in potential or existing flood reduction and meet the general criteria listed above, but do not fit in any of the more specific new categories.
  • Example project types include stormwater retrofit, lake outflow modification, lake flooding, agricultural drainage improvements, slope stabilization, design/permitting of drainage improvement projects.

Urban Streams

  • Must reduce risks from urban flooding to property or public infrastructure.
  • Must be located within urban growth areas in King County.
  • Example project types include green infrastructure, sediment ponds, flow control, stream restoration, habitat restoration, water quality improvement, design/permitting of improvement projects.

Coastal Erosion/Coastal Flooding

  • Must be located within a mapped flood zone along the Puget Sound shoreline of King County.
  • Must result in reducing potential or existing flooding.
  • Must focus on increasing resiliency to sea-level rise in coastal flood hazard areas.
  • Must restore shorelines and/or retrofit or relocate infrastructure out of flood-prone areas to reduce risk.
  • Cannot result in an increase in hard armored shorelines such as bulkheads, seawalls, or hardened revetments.
  • May include acquisition as long as demolition/relocation of structures out of flood-prone areas is included or addressed under this or other funding.
  • Example project types include acquisition and restoration, demolition of at-risk structures, relocation of houses or other structures at tops of bluffs at risk for landslide due to coastal erosion, removal of armoring/bulkheads, modification of shoreline stabilization to use soft armoring techniques, design/permitting of shoreline stabilization.

Culvert Replacement/Fish Passage

  • Must restore fish passage by replacing and/or removing culverts or other instream structures that have been identified as partial or complete barriers to fish passage.
  • Must demonstrate reduction of potential or existing flood risks as well as improving fish passage.
  • Must demonstrate that project reflects a coordinated effort to restore fish passage in the watershed.
  • Must demonstrate that the project has been or will be designed to meet or exceed minimum fish passage standards per Washington Department of Fish and Wildlife requirements (e.g., the 2013 WDFW Water Crossing Design Guidelines).
  • Can include stream shoreline stabilization and habitat improvement near fish passage barriers that will be remedied.
  • Example project types include replacement or removal of barriers to fish passage, revegetation to improve habitat and reduce erosion in areas affected by the removal of blockages, design and permitting of barrier removal and replacement.

GrantWatch ID#:

GrantWatch ID#: 141950

Estimated Total Program Funding:


Estimated Size of Grant:

Each of the four grant categories will be allotted $3 million.

There is no cap on the individual award amount. Grants awarded in the past have ranged from $10,000 to $450,000.

Term of Contract:

The expenditure of funds must be completed no later than 36 months after signing the grant agreement.

Additional Eligibility Criteria:

Eligible for all four categories:
- Non-profit organizations or associations
- Special purpose districts
- Tribes
- Cities and towns within King County
- King County agencies

Eligible for the Original Flood Reduction Grant category only:
- Homeowner associations
- Schools

The following types of projects will not be considered for funding:
- Projects that are eligible for funding under Watershed Resource Inventory Area (WRIA) programs, such as salmon recovery/habitat improvement projects where flood hazard reduction is not the primary purpose.
- Projects whose design and/or performance may transfer flooding problems upstream or downstream.
- Projects that do not compensate for the loss of restored or undisturbed natural habitat or may adversely impact habitat or water quality.
- Projects included on the King County Flood Control District 6-year Capital Improvement Project list.
- Projects that provide compensatory mitigation under a regulatory requirement triggered by permitted or unpermitted impacts to a protected sensitive or critical area.
- Activities that are not eligible for funding, but may be included in a broader project that receives other funding include site selection planning and feasibility studies.

Pre-Application Information:

The deadline to submit the completed application is May 21, 2021.

Notification of award will be sent via e-mail in later summer or early fall 2021.

Matching/leveraged funds are encouraged but not required.

Watch the April 12 informational meeting here:

Contact Information:

Before starting your grant application, please review the funding source's website listed below for updates/changes/addendums/conferences/LOIs.

Email applications to Kim Harper at Include "Flood Reduction Grant Application" in the subject line.

Direct questions to Kim Harper at the email address above or call 206-477-6079.

King County Water and Land Resources Division
201 South Jackson Street, Suite 600
Seattle, WA 98104-3855

URL for Full Text (RFP):

Geographic Focus:

USA: Washington: King County

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