Data disclaimer: Based on the NFIRS Public Data Release (2020-2024). NFIRS is voluntarily reported and may not include all departments or incidents. Some departments have missing years or incomplete records. Totals shown reflect data as submitted and may not represent complete activity.
Incident Composition (2020–2024)
Summary
41,657
Avg Incidents / Year
74.5%
EMS Share
2.3%
Fire Share
7.2%
False Alarm Rate
+44.4%
5-Year Trend
34
Departments
| Department ▲ | 5-Year Incidents ▼ | Fire % ▲ | EMS % ▲ | False Alarm % ▲ | Trend ▲ |
|---|---|---|---|---|---|
| Waukesha Fire Dept | 38,094 | 1.5% | 84% | 6.8% | +17.9% |
| Western Lake Fire District | 28,615 | 1.6% | 83.7% | 5.3% | +102.4% |
| New Berlin Fire Dept | 24,233 | 2.1% | 75.3% | 8% | +13.6% |
| Menomonee Falls Fire Dept | 23,672 | 1.5% | 68.5% | 6.5% | +72.1% |
| Brookfield Fire Dept | 23,276 | 1.8% | 65% | 11% | +34% |
| Lake Country Fire and Rescue | 14,022 | 2.5% | 72.4% | 6.2% | +37.1% |
| Pewaukee Fire Dept | 13,842 | 2.2% | 73.3% | 7.2% | +35.2% |
| Mukwonago Fire Dept | 8,848 | 1.9% | 80.6% | 4.3% | +780.8% |
| Ia Lisbon Fire Dept | 5,505 | 2.9% | 71.8% | 3.7% | -0.5% |
| Hartland Vol Fire Dept | 5,211 | 2.7% | 75.7% | 5.5% | +22.4% |
| Brookfield Twp Fire Dept | 5,121 | 2.4% | 70.4% | 7.9% | -13.7% |
| Sussex Fire Dept | 4,594 | 3.3% | 72.8% | 7.4% | +217.8% |
| Butler Vol Fire Dept Inc | 2,589 | 3.1% | 61.1% | 13.3% | -2.3% |
| Village of Waukesha Vol Fire Dept | 2,579 | 6.7% | 67.2% | 4.6% | +31.7% |
| Village of Merton Fire Dept | 1,978 | 7.5% | 61.9% | 6.5% | +127.9% |
| Vernon Fire Dept | 1,684 | 9.6% | 74% | 2% | -74.6% |
| Tess Corners Vol Fire Dept | 1,550 | 10.8% | 17.5% | 28.1% | +4.3% |
| Kettle Moraine Fire District | 1,018 | 8.6% | 69.1% | 4.5% | -16.1% |
| Elm Grove Fire Dept | 697 | 3.7% | 5.5% | 33.1% | +33% |
| Ia North Prairie Vol Fire Dept | 334 | 13.8% | 56.3% | 9.6% | — |
| Ia Wales Genesee Fire Dept | 328 | 6.7% | 71.6% | 4.6% | — |
| Big Bend Vol Fire Dept | 274 | 20.4% | 18.2% | 4% | +284% |
| Ia Delafield Twp Vol Fire Dept | 221 | 15.8% | 46.6% | 10% | — |
| Ia Okauchee Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia Eagle Vol Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia North Lake Vol Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia Muskego Vol Fire Co | 0 | 0% | 0% | 0% | — |
| Ia Lannon Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia Chenequa Vol Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia Summit Vol Fire Dist | 0 | 0% | 0% | 0% | — |
| Ia Improper | 0 | 0% | 0% | 0% | — |
| Ia Stone Bank FD | 0 | 0% | 0% | 0% | — |
| Ia Oconomowoc Fire Dept | 0 | 0% | 0% | 0% | — |
| Ia Delafield City Fire Dept | 0 | 0% | 0% | 0% | — |
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