Department of Land Use
Planning
216 SE 4th Street
Pendleton, OR 97801
541-278-6252
planning@co.umatilla.or.us
Flood Hazard Info
GIS and Zoning Maps
FEMA
Flood Insurance Rate Maps
Umatilla County Courthouse
216 SE Fourth Street
Pendleton, Or 97801
Info: 541-276-7111
Courts: 541-278-0341
The Courthouse is open 8 am. to 5 pm. Mon. through
Fri.
Location and hours for other County offices
Periodically, rivers, streams and lakes will
overflow their banks and inundate adjacent land areas. These
areas, known as floodplains, temporarily store this excess
water. Flood damages occur only when man interferes with the
natural flooding process by altering the watercourse,
developing areas in the upper watershed, and/or building
inappropriately in the floodplain itself.
The traditional solution to flood problems has been to
build structural protection works such as dams, diversions,
levees and floodwalls. Despite tremendous expenditures for
these structural projects, economic flood losses have
continued to increase year after year. Given this,
governments at every level have begun to see the solution to
avoiding flood damages lies not in keeping the water away
from people, but rather in keeping people away from the
water. This philosophical shift lead to the creation of the
National Flood Insurance Program (NFIP) in 1968, thereby
codifying the concept of floodplain
management.
The base flood,
sometimes referred to as the 100-year flood, has a 1% chance
of occurring in any given year.
Although a 100-year flood sounds remote, keep in mind that
over the life of an average 30-year mortgage, a home located
within the 100-year flood zone (A or V zone) has a 26%
chance of being inundated by the base flood. This same home
has less than a 1% chance of fire damage during the same
period.



The Flood Smart website
is a good source of information for those having flood
insurance. Read through and understand flood
insurance.
Find
out
if your property is in a floodplain. Visit
the FEMA website to determine your status.
FEMA
FORMS. Get the latest
version of the Elevation Certificate, LOMA, LOMR,
etc. by visiting FEMA's website.
County
Floodplain Development Permit Application 2011.
For those properties that are within the flood hazard
area, a County Floodplain Development Permit is
required.
NFIP
Technical
Bulletins.
Learn all about the technical features of flood proofing
and other building issues when developing in the special
flood hazard areas. These bulletins give the
details to be compliant with local, State and Federal
standards. Below is a listing of the bulletins, to
get a copy of them click on the link above which will
take you to FEMA's website where the PDF files are
available for download.
Technical Bulletin 1:
Openings in
Foundation Walls
Technical Bulletin 2:
Flood Damage Resistant Materials
Technical Bulletin 3-93: Non-Residential
Flood proofing
FLOODPROOFING
CERTFICATE form
Technical Bulletin 4-93: Elevator
Installation
Technical Bulletin 5:
Free-of-Obstruction Requirements
Technical Bulletin
6-93: Below Grade Parking Requirements
Technical Bulletin 7-93: Wet Flood proofing
Requirements
Technical
Bulletin 10-01: Ensuring that Structures
Built on Fill In or Near Special Flood Hazard Areas
are Reasonably Safe From Flooding
Technical Bulletin
11-01: Crawl space Construction for
Buildings Located in Special Flood Hazard Areas
Umatilla
County
FIRM Panels. To find out which Flood Panel a
property is within, this map will show the new
panels (effective September 3, 2010). Once the
panel number is known then that panel can be viewed by
going to the directory below for the official FEMA FIRM
Panel.
CURRENT
UMATILLA COUNTY FIRM PANELS (Effective September
3, 2010) Now the whole County is being shown on
the same Index map with no individual maps for the
cities or the Tribe. The folder that contains the
2010 Panels contains all of the new panels that are now
effective as of September 3, 2010. These new
panels have the 2006 NAIP imagery as the base layer
which shows structures and other features.
The
Milton-Freewater Area
will
have a large area placed in the Special Flood Hazard
Area, Zone AO (Areas of Shallow Flooding). The
associated map shows the Milton-Freewater Special Flood
Hazard Areas.
A
Flood Insurance Study (FIS) is a book that contains
information regarding flooding in a community and is
developed in conjunction with the Flood Insurance Rate Map
(FIRM). The FIS, also known as a flood elevation study,
frequently contains a narrative of the flood history of a
community and discusses the engineering methods used to
develop the FIRMs. The study also contains flood profiles
for studied flooding sources and can be used to determine
Base Flood Elevations for some areas.
NEW
FLOOD INSURANCE STUDY (Effective
September 3, 2010). The
Flood Insurance Study that has been completed for the new
FIRMs is now available for review. This FIS will be
effective September 3, 2010 but is here for reference.
The new FIS brings all of the County and Incorporated Cities
and the CTUIR (Tribe).
Volume 1 Volume
2
Letter from
FEMA
There have been a number of Letter of Map Changes (LOMC)
issued over the past several years. These documents
will modify the FIRM Panels and will affect flood insurance
for the parcels involved. Therefore, the documents are
important to keep track of and on file in case there is any
question as to the status of flooding on the affected
parcel(s).
COUNTY LOMA LIST,
dated August 18, 2010 dealing with "Valid LOMC for Umatilla County" for
unincorporated areas of the County. Authorized Letter
of Map Changes do not show up on the official Flood
Insurance Rate Maps (FIRMS) so this listing is very
important to prove that the LOMC has been authorized and
flood insurance is not required.
INCORPORATED CITIES:
ADAMS_03-10-0143A-410205
ADAMS_09-10-0390A-410205
ATHENA_02-10-164A-410206
ATHENA_03-10-0344A-410206
ATHENA_08-10-0397A-410206
PENDLETON_03-10-0404A-410211
STANFIELD_01-10-199A-410213
STANFIELD_05-10-0295A-410213
STANFIELD_06-10-B154A-410213
STANFIELD_09-10-0493P-410213
STANFIELD_99-10-571A-410213
FEMA Publications. This link will take you to FEMA's website with a list of publications on a host of issues.
Here are some quick links to
publications that are helpful:
National
Flood
Insurance Program (NFIP) Floodplain Management
Requirements (FEMA 450) This is the desk reference and is a
very large binder of materials.
Guide to Flood Maps (FEMA 258) This reference item provides more details on reading and understanding flood maps.
FEMA's
Technical Bulletins: http://www.fema.gov/plan/prevent/floodplain/techbul.shtm
Appeals,
Revisions
and Amendments to the NFIP: A Guide for Community
Officials (December 2009)