In 2025, fire departments serving Herriman responded to 157 fire and hazmat incidents — from cooking fires to gas leaks to a single $2.5M 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 59% of all calls.
Jul peaks. Sep dips. Watch for the typical fall climb starting in October.
601 incidents 2021–2025. Peak year was 2025. $4.1M cumulative property loss.
| Year | Incidents | YoY | |
|---|---|---|---|
| 2021 | 98 | — | |
| 2022 | 116 | +18.4% | |
| 2023 | 116 | +0.0% | |
| 2024 | 114 | -1.7% | |
| 2025 | 157 | +37.7% |
For the 15 building fires Herriman departments responded to in 2025, here's how they were classified once investigators were finished.
NFIRS Area of Origin (AREA_ORIG) for the 102 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 | Undetermined | 19 | 18.6% | |
| 2 | Other | 14 | 13.7% | |
| 3 | Engine area, running gear, wheel area | 13 | 12.7% | |
| 4 | Cooking area, kitchen | 10 | 9.8% | |
| 5 | Outside area, other | 9 | 8.8% | |
| 6 | Chute/container - trash, rubbish, waste | 4 | 3.9% | |
| 7 | Bedroom - < 5 persons; included are jail or prison | 3 | 2.9% | |
| 8 | Vehicle storage area; garage, carport | 3 | 2.9% | |
| 9 | Vehicle area, other | 3 | 2.9% | |
| 10 | Bathroom, checkroom, lavatory, locker room | 2 | 2.0% | |
| 11 | All other areas | 22 | 21.6% |
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 Herriman mix.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 40 | 39.2% | |
| 2 | Heat from powered equipment, other | 15 | 14.7% | |
| 3 | Heat source: other | 10 | 9.8% | |
| 4 | Radiated, conducted heat from operating equipment | 6 | 5.9% | |
| 5 | Arcing | 5 | 4.9% | |
| 6 | Hot or smoldering object, other | 5 | 4.9% | |
| 7 | Heat from other open flame or smoking materials | 4 | 3.9% | |
| 8 | Multiple heat sources including multiple ignitions | 4 | 3.9% | |
| 9 | Chemical reaction | 3 | 2.9% | |
| 10 | Spark, ember or flame from operating equipment | 2 | 2.0% | |
| 11 | All other sources | 8 | 7.8% |
Largest single-incident property losses reported by Herriman departments in 2025. These 8 fires alone account for 99% of the city's annual total.
| # | Property loss | Type | Severity | Status |
|---|---|---|---|---|
| 1 | $2,500,000 | Building fires | Major | Investigated |
| 2 | $50,000 | Passenger vehicle fire | Significant | Investigated |
| 3 | $50,000 | Building fires | Significant | Investigated |
| 4 | $25,000 | Building fires | Significant | Investigated |
| 5 | $20,000 | Passenger vehicle fire | Significant | Investigated |
| 6 | $20,000 | Passenger vehicle fire | Significant | Investigated |
| 7 | $20,000 | Brush, or brush and grass mixture fire | Significant | Investigated |
| 8 | $15,000 | Passenger vehicle fire | Significant | Investigated |
Per-capita rates let us compare apples to apples. Herriman sits below the national average for incidents per resident.
Top 25 wildfires (1992+) in the FPA-FOD ignitions database, scaled by acres. 516,833 acres burned in this 50-mile radius. Each dot is a fire — bigger dots burned more land.
| Year | Cause | Acres | Distance | |
|---|---|---|---|---|
| 2009 | Natural | 44,345 | 35.1 mi | |
| 2012 | Natural | 43,660 | 49.4 mi | |
| 2017 | Natural | 38,190 | 42.4 mi | |
| 2000 | Natural | 33,838 | 46.9 mi | |
| 2018 | Natural | 31,661 | 49.4 mi | |
| 2013 | Natural | 31,010 | 35.8 mi | |
| 1996 | Natural | 28,540 | 42.2 mi | |
| 2005 | Firearms and explosives use | 22,874 | 49.7 mi | |
| 2012 | Natural | 22,045 | 35.1 mi | |
| 1998 | Equipment and vehicle use | 20,700 | 42.7 mi | |
| 2018 | Natural | 18,620 | 45.1 mi | |
| 1996 | Missing data/not specified/undetermined | 18,540 | 47.2 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 Utah cities with population within ±25% of Herriman. Useful comparison targets — same state, similar size, different fire profile.
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.