ZIP 37406 recorded 182 fire and hazmat incidents in 2025, 775 across 2021–2025. Primary county: Hamilton County, TN. FEMA NRI rates wildfire risk here as High.
775 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 146 | |
| 2022 | 132 | |
| 2023 | 149 | |
| 2024 | 166 | |
| 2025 | 182 |
Jul peaks. Feb dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 37406 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Power line down | 177 | 22.8% | |
| 2 | Building fires | 90 | 11.6% | |
| 3 | Outside rubbish, trash or waste fire | 60 | 7.7% | |
| 4 | Passenger vehicle fire | 46 | 5.9% | |
| 5 | Brush, or brush and grass mixture fire | 46 | 5.9% |
For the 25 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 37406 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Outside area, other | 51 | 15.7% | |
| 2 | Undetermined | 38 | 11.7% | |
| 3 | Cooking area, kitchen | 33 | 10.2% | |
| 4 | Engine area, running gear, wheel area | 32 | 9.9% | |
| 5 | Open area - outside; included are farmland, field | 22 | 6.8% | |
| 6 | Wildland, woods | 18 | 5.6% | |
| 7 | Highway, parking lot, street: on or near | 14 | 4.3% | |
| 8 | Bedroom - < 5 persons; included are jail or prison | 10 | 3.1% | |
| 9 | All other areas | 106 | 32.7% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 130 | 40.1% | |
| 2 | Hot or smoldering object, other | 29 | 9.0% | |
| 3 | Heat from powered equipment, other | 27 | 8.3% | |
| 4 | Arcing | 23 | 7.1% | |
| 5 | Cigarette lighter | 20 | 6.2% | |
| 6 | Radiated, conducted heat from operating equipment | 18 | 5.6% | |
| 7 | Spark, ember or flame from operating equipment | 14 | 4.3% | |
| 8 | Hot ember or ash | 13 | 4.0% | |
| 9 | All other sources | 50 | 15.4% |
Largest single-incident losses in ZIP 37406 across 2021–2025. These 8 fires alone account for 71% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $174,700 | Building fires | 2025 | Significant |
| 2 | $150,300 | Building fires | 2025 | Significant |
| 3 | $150,300 | Building fires | 2025 | Significant |
| 4 | $150,000 | Building fires | 2025 | Significant |
| 5 | $145,000 | Fire, other | 2025 | Significant |
| 6 | $110,000 | Building or structure weakened or collapsed | 2025 | Significant |
| 7 | $100,000 | Building fires | 2024 | Significant |
| 8 | $100,000 | Building fires | 2025 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 37406.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Chattanooga | 774 |
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 — 775 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.