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Division of
Engineering & Roads

1026 W. Broadway Ave.
Spokane, WA 99260-0170
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Environmental Programs

Spokane County Multi-Jurisdictional
Hazard Mitigation Plan

A partnership of local governments and other stakeholders in Spokane County are working together to update the Spokane County Multi-Jurisdictional Hazard Mitigation Plan. This plan was created in 2007 in response to Federal programs that enable the partnership to use pre- and post-disaster financial assistance to reduce the exposure of County residents to risks associated with natural hazards.

In order to identify and plan for future natural disasters, we need your assistance. The survey/questionnaire below is designed to help us gage the level of knowledge local citizens already have about natural disaster issues and to find out from local residents about areas vulnerable to various types of natural disasters. The information you provide will help us coordinate activities to reduce the risk of injury or property damage in the future.

The survey consists of 34 questions plus an opportunity for any additional comments at the end. The survey should take less than 5 minutes to complete and is anonymous.   Please follow the link below for the survey.

Spokane County Emergency Management 

Floodplain Information

Spokane County participates in the National Flood Insurance Program through FEMA (Federal Emergency Management Agency). This allows property owners to purchase insurance against flood losses. It also allows Spokane County to be eligible for federal disaster aid should a flood-related disaster be declared here. To participate in this program Spokane County must maintain and enforce a Flood Damage Protection Code meeting the requirements of FEMA and the State of Washington. The Division of Engineering and Roads administers this code for the unincorporated areas of Spokane County.

Spokane County’s Flood Damage Protection Code regulates any development that will occur on property all or a portion of which is determined by FEMA to be in a floodplain. Development includes, but is not limited to buildings, homes, manufactured and mobile homes, other structures, bridges, culverts, dredging, filling, grading, paving, excavation, docks, boat lifts, seawalls, bulkheads, etc. Any development on a parcel which contains floodplain will require a Floodplain Development Permit.

To be issued a Floodplain Development Permit you must first complete a Floodplain Development Permit Application. This application contains information regarding your project that will assist in identifying the specific requirements for your proposed project.

For some projects an Environmental Checklist or JARPA may also be required. For example if you are working below the ordinary high water line or if you are placing more than 500 CY of fill. The Environmental Checklist must go through a review process to determine if the project will have a significant impact on the environment. A Determination of Non-Significance must be issued before a Floodplain Development Permit can be issued.

For any questions regarding the Flood Damage Protection Code or Floodplain Development Permit please contact the Spokane County Environmental Programs Department at 509/477-3600 or by email to: Request for Information.

Final DFIRMs along with an updated Flood Insurance Study (FIS) have been issued by FEMA and were effective July 6, 2010.  For additional information and to review the final DFIRM map panels, click here...

General Resources

Benchmark Info


Flood Ins Study (FIS)

FIS Profiles

Elevation Certificate

Flood Damage
Protection Code

Floodplain Development Application

Environmental Checklist (SEPA)

SEPA Information Sheet

Joint Aquatic Resource Application (JARPA)

FEMA Flood Maps

FEMA  Website

 Service Center

Engineering Fee Schedule

County Projects

Bigelow Gulch/Forker Rd Urban Connector