City vs city
Riverside Colony vs Watertown, SD
Watertown currently scores 18 points higher overall than Riverside Colony, with the largest gap in hail.
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 is a current EPA AirNow signal; 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
Riverside Colony: 32/100 · Watertown: 50/100
Watertown is 18 points higher.
Flood
Riverside Colony: 80/100 · Watertown: 79/100
Riverside Colony is 1 points higher.
Riverside Colony: FEMA NFHL flood zones: 17 features intersect this tile.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Riverside Colony: 21/100 · Watertown: 20/100
Riverside Colony is 1 points higher.
Riverside Colony: Wind exposure derived from ingested design wind / climatology tiles.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Riverside Colony: 49/100 · Watertown: 42/100
Riverside Colony is 7 points higher.
Riverside Colony: Lightning exposure derived from ingested climatology tiles.
Watertown: Lightning exposure derived from ingested climatology tiles.
Tornado
Riverside Colony: 4/100 · Watertown: 0/100
Riverside Colony is 4 points higher.
Riverside Colony: Tornado risk derived from NOAA SPC historical reports.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Hail
Riverside Colony: 25/100 · Watertown: 100/100
Watertown is 75 points higher.
Riverside Colony: Hail risk derived from NOAA SPC historical reports.
Watertown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Riverside Colony: Unavailable · Watertown: Unavailable
A score difference cannot be calculated without both sources.
Riverside Colony: Storm surge model is not available for this location yet.
Watertown: Storm surge model is not available for this location yet.
Wildfire
Riverside Colony: 37/100 · Watertown: 38/100
Watertown is 1 points higher.
Riverside Colony: Wildfire exposure derived from ingested fire potential tiles.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Riverside Colony: 7/100 · Watertown: 21/100
Watertown is 14 points higher.
Riverside Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Watertown: Air quality signal derived from the latest EPA AirNow combined AQI grid.