Snapfinger Creek at Thompson Mill Rd near Lithonia, GA Water Level Today

NWS river forecast

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 02203960 sits on Snapfinger Creek and reads everything draining 33 square miles of the Upper Ocmulgee basin. Its datum sits 749 feet above sea level NAVD88. Daily flow has been on record here since 2012, 14 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Snapfinger Creek near Decatur, GA, reading 13 square miles. This gauge adds the 19 square miles that drain in between. Downstream the next reading comes from South River at Klondike Road, near Lithonia, GA at 182 square miles, so what passes this gauge is about 18% of the water measured there. Water passing here goes on to South River at GA 81, at Snapping Shoals, GA.

Normal flows here

Snapfinger Creek runs a median of 23 cfs at this gauge across 14 years of record. February is the fullest month at a median 34 cfs, and September the leanest at 14 cfs. The highest daily mean on record is 2,270 cfs in 2024, and the lowest is 1.9 cfs in 2012.

Medians from the USGS daily-statistics record, 2012 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

Snapfinger Creek reaches flood stage at this gauge at 16 feet. NWS starts watching it at 14 feet. The highest crest on record is 17.5 feet, in October 2020.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge SFHG1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Morgan Falls Dam is 22 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

• Morgan Falls Dam 22 miles