ZIP 53118 recorded 57 fire and hazmat incidents in 2025, 254 across 2021–2025. Primary county: Waukesha County, WI. FEMA NRI rates wildfire risk here as Moderate.
254 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 50 | |
| 2022 | 37 | |
| 2023 | 64 | |
| 2024 | 46 | |
| 2025 | 57 |
Jan peaks. Feb dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 53118 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Building fires | 56 | 22.0% | |
| 2 | Gas leak (natural gas or LPG) | 38 | 15.0% | |
| 3 | Power line down | 32 | 12.6% | |
| 4 | Arcing, shorted electrical equipment | 23 | 9.1% | |
| 5 | Brush, or brush and grass mixture fire | 19 | 7.5% |
For the 22 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 53118 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Open area - outside; included are farmland, field | 12 | 31.6% | |
| 2 | Cooking area, kitchen | 4 | 10.5% | |
| 3 | Laundry area, wash house (laundry) | 3 | 7.9% | |
| 4 | Engine area, running gear, wheel area | 3 | 7.9% | |
| 5 | Undetermined | 2 | 5.3% | |
| 6 | Other | 1 | 2.6% | |
| 7 | Egress/exit, other | 1 | 2.6% | |
| 8 | Common room, den, family room, living room, lounge | 1 | 2.6% | |
| 9 | All other areas | 11 | 28.9% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Hot ember or ash | 8 | 21.1% | |
| 2 | Undetermined | 8 | 21.1% | |
| 3 | Heat from powered equipment, other | 4 | 10.5% | |
| 4 | Arcing | 4 | 10.5% | |
| 5 | Radiated, conducted heat from operating equipment | 2 | 5.3% | |
| 6 | Hot or smoldering object, other | 2 | 5.3% | |
| 7 | Flame/torch used for lighting | 2 | 5.3% | |
| 8 | Chemical reaction | 2 | 5.3% | |
| 9 | All other sources | 6 | 15.8% |
Largest single-incident losses in ZIP 53118 across 2021–2025. These 8 fires alone account for 321% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $250,000 | Building fires | 2023 | Major |
| 2 | $250,000 | Building fires | 2025 | Major |
| 3 | $175,000 | Fire in motor home, camper, recreational vehicle | 2023 | Significant |
| 4 | $155,000 | Building fires | 2023 | Significant |
| 5 | $100,000 | Building fires | 2021 | Significant |
| 6 | $75,000 | Building fires | 2025 | Significant |
| 7 | $30,000 | Off-road vehicle or heavy equipment fire | 2023 | Significant |
| 8 | $25,000 | Passenger vehicle fire | 2021 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 53118.
The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.
NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 254 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.