City vs city
South River vs Spotswood, NJ
South River currently scores 8 points higher overall than Spotswood, with the largest gap in storm surge.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
South River: 38/100 · Spotswood: 30/100
South River is 8 points higher.
Flood
South River: 22/100 · Spotswood: 24/100
Spotswood is 2 points higher.
South River: FEMA NFHL flood zones: 9 features intersect this tile.
Spotswood: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
South River: 23/100 · Spotswood: 23/100
No gap.
South River: Wind exposure derived from ingested design wind / climatology tiles.
Spotswood: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
South River: 19/100 · Spotswood: 19/100
No gap.
South River: Lightning exposure derived from ingested climatology tiles.
Spotswood: Lightning exposure derived from ingested climatology tiles.
Tornado
South River: 4/100 · Spotswood: 15/100
Spotswood is 11 points higher.
South River: Tornado risk derived from NOAA SPC historical reports.
Spotswood: Tornado risk derived from NOAA SPC historical reports.
Hail
South River: 25/100 · Spotswood: 20/100
South River is 5 points higher.
South River: Hail risk derived from NOAA SPC historical reports.
Spotswood: Hail risk derived from NOAA SPC historical reports.
Storm surge
South River: 98/100 · Spotswood: 30/100
South River is 68 points higher.
South River: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Spotswood: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
South River: 75/100 · Spotswood: 78/100
Spotswood is 3 points higher.
South River: Wildfire exposure derived from ingested fire potential tiles.
Spotswood: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
South River: 34/100 · Spotswood: 34/100
No gap.
South River: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Spotswood: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.