Etowah River at Allatoona Dam above Cartersville
Flood levels
Official flood levels at this gauge: action stage begins at 7.0 ft; minor flooding begins at 9.0 ft; moderate flooding begins at 12.0 ft; major flooding begins at 16.0 ft.
| Action stage | 7.0 ft |
|---|---|
| Minor flooding | 9.0 ft |
| Moderate flooding | 12.0 ft |
| Major flooding | 16.0 ft |
Highest recorded crests
- 20.8 ft on Jan 1, 1946 (historic crest)
- 20.0 ft on Dec 11, 1919 (historic crest)
- 16.9 ft on Nov 29, 1948 (historic crest)
- 16.5 ft on Apr 9, 1938 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 7.0 ft | Bankfull conditions occur along the river downstream from the Allatoona Dam. |
|---|---|
| 9.0 ft | Flood stage is reached. Minor flooding begins in the woodlands along the river downstream from the Allatoona Dam. The flood waters will begin to surround the base of the USGS concrete gage structure. The significant releases from the dam will likely cause bankfull conditions well downstream in the Cartersville area. |
| 10.0 ft | Minor flooding continues in the woodlands along the river downstream from the Allatoona Dam. The flood waters surrounding the base of the USGS concrete gage structure will be around one foot deep. The significant releases from the dam will likely cause minor flooding well downstream in the Cartersville area. |
| 11.0 ft | Minor flooding expands further into the woodlands along the river downstream from the Allatoona Dam. The flood waters surrounding the base of the USGS concrete gage structure will be around two feet deep. Low portions of Old River Road will begin to flood. The significant releases from the dam will cause minor flooding well downstream in the Cartersville area. |
| 12.0 ft | Moderate flooding begins. Significant flooding occurs in the woodlands along the river downstream from the Allatoona Dam. The flood waters surrounding the base of the USGS concrete gage structure will be around 3 feet deep. Portions of Old River Road will be flooded with water near one foot deep. The significant releases from the dam will likely cause moderate flooding well downstream in the Cartersville area. A commerical complex off Old Mill Farm Road will begin to flood. |
| 14.0 ft | Significant flooding expands further along the river downstream from the Allatoona Dam. The flood waters surrounding the base of the USGS concrete gage structure will be around 5 feet deep. Large portions of Old River Road will be flooded with water up to 3 feet deep. The significant releases from the dam will cause moderate flooding well downstream in the Cartersville area. A commerical complex off Old Mill Farm Road and homes on Waterford...Galway...Hastings and Oxford Drives will begin to flood. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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