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Big Coldwater Creek near Milton, Fla Water Level Today

Florida · USGS gauge 02370500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02370500 sits on Big Coldwater Creek and reads everything draining 237 square miles of the Blackwater basin. Its datum sits 9 feet above sea level NGVD29. Daily flow has been on record here since 1939, 80 years of it.

Normal flows here

Big Coldwater Creek runs a median of 387 cfs at this gauge across 80 years of record. March is the fullest month at a median 499 cfs, and October the leanest at 323 cfs. The highest daily mean on record is 29,700 cfs in 1990, and the lowest is 158 cfs in 1956.

Median flow by month
MonthMedian flowShare of annual median
Jan473 cfs122%
Feb495 cfs128%
Mar499 cfs129%
Apr452 cfs117%
May361 cfs93%
Jun368 cfs95%
Jul405 cfs105%
Aug396 cfs102%
Sep362 cfs93%
Oct323 cfs83%
Nov338 cfs87%
Dec394 cfs102%

Medians from the USGS daily-statistics record, 1939 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

Big Coldwater Creek reaches flood stage at this gauge at 10 feet. NWS starts watching it at 5 feet. The highest crest on record is 23 feet, in March 1990.

NWS flood categories
CategoryGage height
Action5 ft
Minor flooding10 ft
Moderate flooding15 ft
Major flooding23 ft
Highest crests on record
WhenCrest
March 199023 ft
September 202021.5 ft
June 197021.4 ft
August 197520.6 ft
September 199819.9 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge MLNF1. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02370500. Percentile context computed against the gauge's period of record. Not for navigation.

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