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WildlandUrbanInterface
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Projected
GCS_North_American_1983_HARN
Linear Unit: Foot_US (0.304801)
NAD_1983_HARN_StatePlane_Colorado_North_FIPS_0501_Feet
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WildlandUrbanInterface
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Areas where ignition resistant construction is mandated by the City because of heightened risk to wildfire.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Ignition resistant construction is required on homes that are threatened by wildfire. These areas of concentrated threat are typically known as the Wildland Urban Interface (WUI). Boulder's WUI is mostly on the western side of the city, though there are pockets within city limits and on the city's eastern flank that could be dangerous given the right conditions for fire ignition.</SPAN></P><P><SPAN>Ignition resistant construction comes in three tiers: Type 1, Type 2, and Type 3. Type 1 ignition resistance represents the most stringent building requirements and is typically designated in areas that have steep, inaccessible topography, relatively limited access to hydrants, and a combination of other factors. Type 3 is the least stringent and can be found in areas that face reduced, but still present, risk of wildfire.</SPAN></P><P><SPAN>This data was updated after approval from council for expanded WUI areas including some OSMP and Federal land on the western portion of the city. Counts of structures on parcel groups was also updated using current data from the PW.PWAREA/PW.Building layer using the logic below.</SPAN></P><P><SPAN>NMRES LIFECYCLE = 'Active' And BLDGTYPE IN ('Residential')</SPAN></P><P><SPAN>NMCOMM LIFECYCLE = 'Active' And BLDGTYPE IN ('Commercial', 'Industrial', 'Medical')</SPAN></P><P><SPAN>NMSCHL LIFECYCLE = 'Active' And BLDGTYPE IN ('School')</SPAN></P><P><SPAN>NMOTHER LIFECYCLE = 'Active' And BLDGTYPE IN ('Agricultural', 'Foundation', 'Misc', 'Parking Structure', 'Public', 'Public Safety', 'Religious', 'Ruin', 'Tank', 'Garage/Shed')</SPAN></P></DIV></DIV></DIV>
City of Boulder
fire
wildland urban interface
WUI
structure protection plan
planning
wildfire
Jesse Nestler
City of Boulder
Open data steward
nesterlj@bouldercolorado.gov
David Lowrey
City of Boulder
Content expert
lowreyd@bouldercolorado.gov
Jesse Nestler
City of Boulder
GIS point of contact
nesterlj@bouldercolorado.gov
Jesse Nestler
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><A href="https://bouldercolorado.gov:443/services/open-data" STYLE="text-decoration:underline;"><SPAN>https://bouldercolorado.gov/services/open-data#section-4148</SPAN></A></SPAN></P></DIV></DIV></DIV>
Feature Class
dataset
EPSG
8.9.3(9.0.0)
290
Simple
FALSE
290
TRUE
FALSE
WildlandUrbanInterface
Feature Class
290
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
IRTYPE
IRTYPE
SmallInteger
2
5
0
Ignition resistance type
City of Boulder
GlobalID
GlobalID
GlobalID
38
0
0
Globally unique identifier
City of Boulder
CREATED_USER
CREATED_USER
String
255
0
0
Metadata on who created a given record
ESRI
CREATED_DATE
CREATED_DATE
Date
8
0
0
Metadata on when a given record was created
ESRI
LAST_EDITED_USER
LAST_EDITED_USER
String
255
0
0
Metadata on who edited a given record most recently
ESRI
LAST_EDITED_DATE
LAST_EDITED_DATE
Date
8
0
0
Metadata on when a given record was edited last
ESRI
Shape
Shape
Geometry
4
0
0
Feature geometry.
Esri
Coordinates defining the features.
NUMRES
NUMRES
SmallInteger
2
5
0
Number of residential structures in the polygon
City of Boulder
NUMCOMM
NUMCOMM
SmallInteger
2
5
0
Number of commercial structures in the polygon
City of Boulder
NUMSCHL
NUMSCHL
SmallInteger
2
5
0
Number of school structures in the polygon
City of Boulder
NUMOTHER
NUMOTHER
SmallInteger
2
5
0
Number of non-school, non-commercial, and non-residential structures in the polygon
City of Boulder
Shape.STArea()
Shape.STArea()
Double
0
0
0
Shape.STLength()
Shape.STLength()
Double
0
0
0
DATEADOPTED
DATEADOPTED
Date of WUI Zone Adoption
City Ordinance
Date
8
20250804