In 2025, fire departments serving Siren responded to 31 fire and hazmat incidents — from cooking fires to gas leaks to a single $250K building blaze. Here's the full picture.
Gas leak (natural gas or LPG) lead by count. Building fires lead by dollars. Together the top five categories make up about 81% of all calls.
Feb peaks. May dips. Watch for the typical fall climb starting in October.
141 incidents 2021–2025. Peak year was 2023. $1.4M cumulative property loss.
| Year | Incidents | YoY | |
|---|---|---|---|
| 2021 | 28 | — | |
| 2022 | 18 | -35.7% | |
| 2023 | 44 | +144.4% | |
| 2024 | 20 | -54.5% | |
| 2025 | 31 | +55.0% |
For the 9 building fires Siren departments responded to in 2025, here's how they were classified once investigators were finished.
NFIRS Area of Origin (AREA_ORIG) for the 44 building fires investigators classified across 2021–2025. The room or location where ignition occurred — kitchens, bedrooms, exterior, vehicle areas — tells you where to focus prevention.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Engine area, running gear, wheel area | 10 | 22.7% | |
| 2 | Undetermined | 5 | 11.4% | |
| 3 | Vehicle storage area; garage, carport | 4 | 9.1% | |
| 4 | Vehicle area, other | 4 | 9.1% | |
| 5 | Common room, den, family room, living room, lounge | 3 | 6.8% | |
| 6 | Bathroom, checkroom, lavatory, locker room | 2 | 4.5% | |
| 7 | Equipment or service area, other | 2 | 4.5% | |
| 8 | Outside area, other | 2 | 4.5% | |
| 9 | Other | 1 | 2.3% | |
| 10 | Entrance way, lobby | 1 | 2.3% | |
| 11 | All other areas | 10 | 22.7% |
NFIRS Heat Source (HEAT_SOURC) — the physical thing that started it. Spark or ember from operating equipment, an open flame, smoking materials, or hot embers from a fireplace are the leading culprits nationwide. Here's the Siren mix.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 19 | 43.2% | |
| 2 | Heat from powered equipment, other | 8 | 18.2% | |
| 3 | Hot ember or ash | 3 | 6.8% | |
| 4 | Heat source: other | 2 | 4.5% | |
| 5 | Arcing | 2 | 4.5% | |
| 6 | Fireworks | 2 | 4.5% | |
| 7 | Cigarette lighter | 2 | 4.5% | |
| 8 | Lightning | 2 | 4.5% | |
| 9 | Hot or smoldering object, other | 1 | 2.3% | |
| 10 | Heat from other open flame or smoking materials | 1 | 2.3% | |
| 11 | All other sources | 2 | 4.5% |
Largest single-incident property losses reported by Siren departments in 2025. These 7 fires alone account for 100% of the city's annual total.
| # | Property loss | Type | Severity | Status |
|---|---|---|---|---|
| 1 | $250,000 | Building fires | Major | Investigated |
| 2 | $15,000 | Passenger vehicle fire | Significant | Investigated |
| 3 | $10,000 | Building fires | Significant | Investigated |
| 4 | $1,000 | Fire, other | Significant | Investigated |
| 5 | $1,000 | Mobile property (vehicle) fire, other | Significant | Investigated |
| 6 | $500 | Forest, woods or wildland fire | Significant | Investigated |
| 7 | $100 | Building fires | Significant | Investigated |
Per-capita rates let us compare apples to apples. Siren sits above the national average for incidents per resident.
Top 25 wildfires (1992+) in the FPA-FOD ignitions database, scaled by acres. 26,350 acres burned in this 50-mile radius. Each dot is a fire — bigger dots burned more land.
| Year | Cause | Acres | Distance | |
|---|---|---|---|---|
| 2000 | Debris and open burning | 8,513 | 48.6 mi | |
| 2013 | Equipment and vehicle use | 7,499 | 48.6 mi | |
| 2009 | Arson/incendiarism | 2,550 | 49.3 mi | |
| 2000 | Debris and open burning | 1,350 | 15.5 mi | |
| 2004 | Railroad operations and maintenance | 835 | 36.2 mi | |
| 1999 | Equipment and vehicle use | 700 | 49.2 mi | |
| 2013 | Missing data/not specified/undetermined | 656 | 13.2 mi | |
| 2000 | Smoking | 420 | 46.7 mi | |
| 2004 | Railroad operations and maintenance | 358 | 35.7 mi | |
| 2004 | Arson/incendiarism | 335 | 41.3 mi | |
| 2004 | Railroad operations and maintenance | 298 | 35.7 mi | |
| 2000 | Debris and open burning | 275 | 29.7 mi |
Top 3 ZIP codes by NFIRS incident count across 2021–2025. Each ZIP has its own fire profile — dive in for neighborhood-level context.
Six Wisconsin cities with population within ±25% of Siren. Useful comparison targets — same state, similar size, different fire profile.
1 departments report to NFIRS for incidents in Siren.
A 30-minute weekend can cut your home's exposure substantially. These four checklists are a good starting point.
Numbers reflect incidents reported by participating fire departments to the National Fire Incident Reporting System (NFIRS) Public Data Release for calendar year 2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Per-capita comparisons use 2023 ACS population estimates. Wildland fire data complements NFIRS with NIFC and USFS perimeters. Active-fire counts come from a dated NIFC snapshot, not a live feed.