NFIRS 5.0 Element: ‘Wildland Fire Cause’

Definition : This block provides for the broadest classification of ignition causes consistent with the “General Fire Causes” adopted by the National Wildfire Coordinating Group (NWCG).
Purpose : The primary use of this information is to distinguish between human and nature-caused wildland fires.
Entry : Check or mark the box that best describes the cause of the wildland fire.

Element Specification

 Specification   Value 
Requirement Mandatory
Expected Length 1
Element Type Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.


Here are the NFIRS codes for the ‘Wildland Fire Cause’ element

Wildland Fire Cause  Code 
Natural Source 1
Equipment 2
Smoking 3
Open/Outdoor Fire 4
Debris, Vegetation Burn 5
Structure (Exposure) 6
Incendiary 7
Misuse Of Fire 8
Other Cause 0
Undetermined U

Transactions containing ‘Wildland Fire Cause’

The value of this element is captured by the following transaction :

Need more NFIRS help?

Here are some other useful ressources to learn more about NFIRS.

NFIRS Codes Cheat SheetNFIRS CodingNFIRS ExamplesFDIDsPOCsNFIRS TransactionsNFIRS ModulesNFIRS ElementsNFIRS RulesNFIRS ReferenceNFIRS Compliant ?

You can also read this NFIRS 5.0 Complete Reference Guide, and NFIRS 5.0 Design Documentation in order to have a deeper understanding of NFIRS 5.0. Here are also NFIRS 5.0 Forms ready for you to download and use.

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Last Updated on May 9, 2023