TidalMapEtowah River Downstream of I-575, at Canton, GA Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 02391860 sits on Etowah River Downstream of I-575, and reads everything draining 600 square miles of the Etowah basin. Its datum sits 846 feet above sea level NAVD88. Daily flow has been on record here since 2008, 17 years of it.
Where this gauge sits in the drainage
Three gauged sites sit upstream of here. The closest is Etowah River at Kelly Bridge Road, near Matt, GA, reading 277 square miles. This gauge adds the 323 square miles that drain in between. Downstream the next reading comes from Etowah River at Canton, GA at 613 square miles, so what passes this gauge is about 98% of the water measured there. Water passing here goes on to Etowah River Allatoona Dam Tw, above Cartersville,ga and Etowah River at GA 61, near Cartersville, GA.
Normal flows here
Etowah River Downstream of I-575, runs a median of 797 cfs at this gauge across 17 years of record. February is the fullest month at a median 1,460 cfs, and October the leanest at 354 cfs. The highest daily mean on record is 14,900 cfs in 2009, and the lowest is 83 cfs in 2008.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 1,220 cfs | 153% |
| Feb | 1,460 cfs | 183% |
| Mar | 1,440 cfs | 181% |
| Apr | 1,355 cfs | 170% |
| May | 1,100 cfs | 138% |
| Jun | 757 cfs | 95% |
| Jul | 592 cfs | 74% |
| Aug | 450 cfs | 56% |
| Sep | 356 cfs | 45% |
| Oct | 354 cfs | 44% |
| Nov | 497 cfs | 62% |
| Dec | 835 cfs | 105% |
Medians from the USGS daily-statistics record, 2008 to 2026. A month at 100% is running at its own long-term median.
Flood stages and record crests
Etowah River Downstream of I-575, reaches flood stage at this gauge at 17 feet. NWS starts watching it at 16 feet. The highest crest on record is 24.9 feet, in February 2025.
| Category | Gage height |
|---|---|
| Action | 16 ft |
| Minor flooding | 17 ft |
| Moderate flooding | 23 ft |
| Major flooding | 27 ft |
| When | Crest |
|---|---|
| February 2025 | 24.9 ft |
| August 2013 | 24.4 ft |
| February 2020 | 24 ft |
| December 2013 | 23 ft |
| February 2019 | 22.9 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge ECTG1. Stages are gage height, not depth. Not for navigation.
Dams near this gauge
The Army Corps' Allatoona Dam is 16 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.
- Allatoona Dam 16 miles
- Morgan Falls Dam 20 miles
- Buford Dam 23 miles
Nearby river gauges
- Hickory Log Creek near Canton, GA
- Etowah River at Canton, GA
- Sharp Mountain Creek at Old GA 5, below Ball Ground, GA
- Shoal Creek at GA 108, near Waleska, GA
- Little River at GA 5, near Woodstock, GA
- Noonday Creek at Shallowford Road, near Woodstock,ga
- Noonday Creek at Hawkins Store Rd, near Woodstock,ga
- Settingdown Creek near Ball Ground, GA
- Noonday Creek US Chastain Meadows Pkwy, Marietta, GA
- Willeo Creek at GA 120, near Roswell, GA
- Big Creek below Hog Wallow Creek at Roswell, GA
- Big Creek at GA 9, near Cumming, GA
Live streamflow and gage height: USGS gauge 02391860. Percentile context computed against the gauge's period of record. Not for navigation.
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