Holly Creek near Chatsworth
Flood levels
Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 10.0 ft; moderate flooding begins at 15.0 ft; major flooding begins at 19.0 ft.
| Action stage | 8.0 ft |
|---|---|
| Minor flooding | 10.0 ft |
| Moderate flooding | 15.0 ft |
| Major flooding | 19.0 ft |
Highest recorded crests
- 14.9 ft on Feb 16, 1990 (historic crest)
- 12.5 ft on Mar 4, 1979 (historic crest)
- 12.2 ft on Sep 17, 2004 (historic crest)
- 12.1 ft on Dec 23, 1990 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 8.0 ft | Bankfull conditions are reached upstream and downstream from the stream gage on Smyrna Ramhurst Road. |
|---|---|
| 10.0 ft | Flood stage is reached. Minor flooding begins in the woodlands...fields and pasture upstream and downstream from the gage on Smyrna Ramhurst Road. |
| 11.0 ft | Minor flooding continues in the woodlands...fields and pasture upstream and downstream from the gage on Smyrna Ramhurst Road. |
| 13.0 ft | Minor flooding continues to expand further into the woodlands...fields and pasture upstream and downstream from the gage on Smyrna Ramhurst Road. |
| 15.0 ft | Moderate flooding begins. Widespread flooding expands further into the woodlands...pasture and fields near the creek...upstream and downstream from the gage on Smyrna Ramhurst Road. The water reaches the bottom of the bridge which begins to form an obstacle and act like a dam causing some backwater and erosion eddies to the sides of the bridge. County officials may close or restrict access to the bridge. |
| 17.0 ft | Widespread significant flooding continues to expand further into the woodlands...pasture and fields near the creek...upstream and downstream from the gage on Smyrna Ramhurst Road. The water level hits the bridge which forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides. County officials will close the bridge to the public. |
| 19.0 ft | Major flooding begins. Widespread inundation flooding occurs in the woodlands...pasture and fields near the creek...upstream and downstream from the gage on Smyrna Ramhurst Road. The water level hits the bridge which forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides. Flood waters begin to flow over the road. County officials will close the bridge and road. |
| 21.0 ft | Flooding never seen before causes widespread inundation flooding of the woodlands...pasture and fields near the creek...upstream and downstream from the gage on Smyrna Ramhurst Road. Flood waters top the bridge and road one to two feet deep. County officials will have the bridge and road closed. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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