Reported by USGS Water Services 122 days ago.
What the source measured
USGS Water Services reported: Flood Impact Statement from National Weather Service (SERFC) NWS ID: SUMG1 "The low portions of the parking lot by the river at Mount Vernon Mills in Trion begins to flood." | Gage height: 19.67 ft | Ref. point: 17.00 ft
How we know
One source: USGS Water Services. Not yet confirmed by a second, independent source.
Our own score for this event is 14 out of 100, at 50 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | River flood |
| Severity | medium |
| Calamity Score (ours) | 14 / 100 |
| Our confidence | 50% |
| Coordinates | 34.5469, -85.3106 |
| Nearest City | Calhoun (33 km) |
| Impact Tier | minor |
| Timestamp | 2026-04-30T16:44:21.002Z |
| Source | https://waterdata.usgs.gov/monitoring-location/02398000/ |
Score Breakdown
Technical Details
| SiteNo | 02398000 |
| StationName | CHATTOOGA RIVER AT SUMMERVILLE, GA |
| FloodCategory | minor_flooding |
| GageHeight | 19.67 |
| RpElevation | 17 |
| RpName | Parking Lot |
| StateCode | GA |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a river flood event with CalamityScore 14/100, near Calhoun (United States), based on data from nwis. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.