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ZIP-level NFIRS data

Fires in ZIP 53806

ZIP 53806 recorded 6 fire and hazmat incidents in 2025, 43 across 2021–2025. Primary county: Grant County, WI.

ZIP 53806 FIPS 55043 ZIP-level
Total incidents (2025)
6
43 across 5 years
Building fires
0
3 wildland
Wildfire risk
17
FEMA NRI · Very Low
Active fires
0
in Grant County
01 Five-year trend

Year over year in ZIP 53806

43 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 11
2022 6
2023 10
2024 10
2025 6
02 Seasonality

When do fires happen in ZIP 53806?

Apr peaks. Feb dips. Aggregated across all 5 years inside this ZIP.

Jan 3
Feb 1
Mar 2
Apr 9
May 1
Jun 1
Jul 6
Aug 5
Sep 3
Oct 6
Nov 3
Dec 3
03 Top incident types

What kinds of calls lead in ZIP 53806?

Top 5 NFIRS incident types for ZIP 53806 across 2021–2025.

#Incident typeCountShare 
1 Grass fire 10 23.3%
2 Building fires 6 14.0%
3 Natural vegetation fire, other 4 9.3%
4 Passenger vehicle fire 3 7.0%
5 Brush, or brush and grass mixture fire 3 7.0%
04 Cause of ignition

What sparks fires in ZIP 53806?

For the 0 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
41%
7
Cause undetermined
6%
1
Intentional / arson
24%
4
Equipment / heat source failure
18%
3
Under investigation
6%
1
Act of nature (lightning)
5%
1
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 53806 fires across 2021–2025.

#Area of originCountShare 
1 Open area - outside; included are farmland, field 7 41.2%
2 Vehicle area, other 3 17.6%
3 Highway, parking lot, street: on or near 2 11.8%
4 Storage area, other 1 5.9%
5 Storage room, area, tank, or bin 1 5.9%
6 Vehicle storage area; garage, carport 1 5.9%
7 Operator/passenger area of transportation equip. 1 5.9%
8 Vacant structural area 1 5.9%
06 What ignited it

The leading heat sources here

NFIRS HEAT_SOURC code — the physical thing that started the fire.

#Heat sourceCountShare 
1 Undetermined 5 29.4%
2 Heat from powered equipment, other 2 11.8%
3 Match 2 11.8%
4 Spark, ember or flame from operating equipment 1 5.9%
5 Heat, spark from friction 1 5.9%
6 Hot ember or ash 1 5.9%
7 Cigarette lighter 1 5.9%
8 Backfire from internal combustion engine 1 5.9%
9 All other sources 3 17.6%
07 The biggest fires

8 fires · $315K in losses

Largest single-incident losses in ZIP 53806 across 2021–2025. These 8 fires alone account for 420% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $80,000 Building fires 2024 Significant
2 $50,000 Building fires 2021 Significant
3 $50,000 Off-road vehicle or heavy equipment fire 2022 Significant
4 $50,000 Road freight or transport vehicle fire 2025 Significant
5 $30,000 Building fires 2021 Significant
6 $25,000 Passenger vehicle fire 2025 Significant
7 $15,000 Building fires 2021 Significant
8 $15,000 Passenger vehicle fire 2024 Significant
08 Cities in this ZIP

Most active cities in ZIP 53806

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 53806.

#City5-yr incidents 
1 Cassville 42
2 Potosi 1
11 Current conditions

Right now in 53806

The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.

About ZIP-level data

NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 43 incidents in this ZIP across 2021–2025. Building-fire breakdowns (Area of Origin, Heat Source, ignition cause) only count fires investigators classified beyond the basic incident report. Because NFIRS reporting is voluntary, totals are a strong indicator rather than a complete census.