TidalMap
Explore this water on the live chart →

Sope Creek near Marietta, GA Water Level Today

Georgia · USGS gauge 02335870 · live data · Updated Oct 28, 2026

Loading…

About this gauge

USGS gauge 02335870 sits on Sope Creek and reads everything draining 31 square miles of the Upper Chattahoochee basin. Its datum sits 882 feet above sea level NAVD88. Daily flow has been on record here since 1985, 41 years of it.

Where this gauge sits in the drainage

No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Chatt River at Powers Fy and I-285 near Atlanta, GA at 1,420 square miles, so what passes this gauge is about 2% of the water measured there. Water passing here goes on to Chattahoochee River at US 41, at Atlanta, GA, Chattahoochee River at Atlanta, GA and Chattahoochee River at GA 280, near Atlanta, GA.

Normal flows here

Sope Creek runs a median of 23 cfs at this gauge across 41 years of record. March is the fullest month at a median 38 cfs, and September the leanest at 12 cfs. The highest daily mean on record is 4,260 cfs in 2009, and the lowest is 0.8 cfs in 1988.

Median flow by month
MonthMedian flowShare of annual median
Jan30 cfs130%
Feb36 cfs157%
Mar38 cfs165%
Apr32 cfs141%
May25 cfs109%
Jun21 cfs91%
Jul17 cfs74%
Aug15 cfs65%
Sep12 cfs52%
Oct13 cfs57%
Nov18 cfs76%
Dec24 cfs104%

Medians from the USGS daily-statistics record, 1985 to 2025. A month at 100% is running at its own long-term median.

Flood stages and record crests

Sope Creek reaches flood stage at this gauge at 12 feet. NWS starts watching it at 10 feet. The highest crest on record is 21.1 feet, in March 1977.

NWS flood categories
CategoryGage height
Action10 ft
Minor flooding12 ft
Moderate flooding15 ft
Major flooding18 ft
Highest crests on record
WhenCrest
March 197721.1 ft
February 198220 ft
March 196619.1 ft
April 196619.1 ft
September 200918.4 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge MARG1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Morgan Falls Dam is 4 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02335870. Percentile context computed against the gauge's period of record. Not for navigation.

Open Sope Creek near Marietta, GA on the live chart →

River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.