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Oconee River at Avant Mine near Oconee

Highest listed crest 20.67 ftFlood stage 18.0 ft44 crests since 1995

The Oconee River at Avant Mine near Oconee crested above flood stage 44 times among the 44 crests the National Weather Service lists from 1995 to 2025. The highest, 20.67 ft on April 15, 1998, was moderate flooding, 2.67 feet above flood stage. 2 other gauges on the Oconee River crested above flood stage within a week of it.

The gauge

Highest listed crest
20.67 ft
April 15, 1998; 20,850 cubic feet per second
Flood stage
18.0 ft
Major flooding from 22.0 ft
Crests at major
0
44 above flood stage
Most recent flood crest
August 8, 2025
18.31 ft, minor flooding
Location
Washington County
Near Milledgeville (14.4 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Oconee River at Avant Mine near Oconee
Action stage16.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)18.043Aug 8, 2025Minimal or no property damage, but possibly some public threat
Moderate flood stage20.01Apr 15, 1998Some inundation of structures and roads near the stream
Major flood stage22.00—Extensive inundation of structures and roads

Every listed crest

44 crests from 1995 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Oconee River at Avant Mine near Oconee, 1995 to 2025 1819202122ft Flood stage 18.0 ftMajor 22.0 ft Feb 18, 1995: 18.97 ft, minor floodingMar 9, 1997: 19.24 ft, minor floodingApr 15, 1998: 20.67 ft, moderate flooding; 20,850 cubic feet per secondJun 13, 2001: 18.81 ft, minor flooding; 10,500 cubic feet per secondSep 29, 2004: 19.46 ft, minor flooding; 18,600 cubic feet per secondApr 3, 2009: 19.27 ft, minor flooding; 18,332 cubic feet per secondSep 23, 2009: 18.64 ft, minor flooding; 17,324 cubic feet per secondOct 14, 2009: 19.45 ft, minor flooding; 18,620 cubic feet per secondNov 12, 2009: 19.67 ft, minor flooding; 18,972 cubic feet per secondDec 4, 2009: 18.04 ft, minor flooding; 16,364 cubic feet per secondDec 20, 2009: 18.70 ft, minor flooding; 17,420 cubic feet per secondDec 26, 2009: 18.54 ft, minor flooding; 17,164 cubic feet per secondJan 26, 2010: 18.65 ft, minor flooding; 17,340 cubic feet per secondFeb 7, 2010: 18.77 ft, minor flooding; 17,532 cubic feet per secondMay 6, 2013: 18.77 ft, minor flooding; 17,532 cubic feet per secondDec 24, 2013: 19.00 ft, minor flooding; 17,900 cubic feet per secondDec 30, 2013: 19.49 ft, minor flooding; 18,684 cubic feet per secondJan 13, 2014: 19.02 ft, minor flooding; 17,932 cubic feet per secondNov 11, 2015: 18.24 ft, minor flooding; 16,684 cubic feet per secondDec 23, 2015: 19.73 ft, minor flooding; 19,068 cubic feet per secondJan 1, 2016: 19.75 ft, minor flooding; 19,100 cubic feet per secondJan 24, 2016: 18.55 ft, minor flooding; 17,180 cubic feet per secondNov 16, 2018: 18.55 ft, minor flooding; 17,180 cubic feet per secondDec 11, 2018: 19.11 ft, minor flooding; 18,076 cubic feet per secondJan 6, 2019: 19.64 ft, minor flooding; 18,924 cubic feet per secondApr 23, 2019: 18.39 ft, minor flooding; 16,924 cubic feet per secondDec 15, 2019: 18.50 ft, minor flooding; 17,100 cubic feet per secondJan 14, 2020: 18.97 ft, minor flooding; 17,852 cubic feet per secondFeb 8, 2020: 19.86 ft, minor flooding; 19,276 cubic feet per secondFeb 20, 2020: 19.46 ft, minor flooding; 18,636 cubic feet per secondFeb 26, 2020: 18.68 ft, minor flooding; 17,388 cubic feet per secondMar 6, 2020: 19.26 ft, minor flooding; 18,316 cubic feet per secondMay 1, 2020: 18.80 ft, minor flooding; 17,580 cubic feet per secondSep 19, 2020: 18.75 ft, minor flooding; 17,500 cubic feet per secondFeb 6, 2022: 18.83 ft, minor flooding; 17,628 cubic feet per secondApr 8, 2022: 19.73 ft, minor flooding; 19,068 cubic feet per secondJan 6, 2023: 18.34 ft, minor floodingMar 28, 2023: 19.76 ft, minor flooding; 19,116 cubic feet per secondJan 11, 2024: 19.33 ft, minor flooding; 18,428 cubic feet per secondFeb 14, 2024: 19.64 ft, minor flooding; 18,924 cubic feet per secondMar 8, 2024: 18.45 ft, minor flooding; 17,020 cubic feet per secondSep 28, 2024: 18.73 ft, minor flooding; 17,468 cubic feet per secondApr 8, 2025: 19.12 ft, minor flooding; 18,092 cubic feet per secondAug 8, 2025: 18.31 ft, minor flooding; 16,796 cubic feet per second Highest, 20.67 ft, Apr 15, 1998 200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Oconee River at Avant Mine near Oconee 1990s: 3 2000s: 9 2010s: 15 2020s: 17 17 1990s2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Oconee River at Avant Mine near Oconee
1Apr 15, 199820.67+2.67Moderate20,850
2Feb 8, 202019.86+1.86Minor19,276
3Mar 28, 202319.76+1.76Minor19,116
4Jan 1, 201619.75+1.75Minor19,100
5Dec 23, 201519.73+1.73Minor19,068
6Apr 8, 202219.73+1.73Minor19,068
7Nov 12, 200919.67+1.67Minor18,972
8Jan 6, 201919.64+1.64Minor18,924
9Feb 14, 202419.64+1.64Minor18,924
10Dec 30, 201319.49+1.49Minor18,684
11Sep 29, 200419.46+1.46Minor18,600
12Feb 20, 202019.46+1.46Minor18,636
13Oct 14, 200919.45+1.45Minor18,620
14Jan 11, 202419.33+1.33Minor18,428
15Apr 3, 200919.27+1.27Minor18,332
16Mar 6, 202019.26+1.26Minor18,316
17Mar 9, 199719.24+1.24Minor—
18Apr 8, 202519.12+1.12Minor18,092
19Dec 11, 201819.11+1.11Minor18,076
20Jan 13, 201419.02+1.02Minor17,932
21Dec 24, 201319.00+1.00Minor17,900
22Feb 18, 199518.97+0.97Minor—
23Jan 14, 202018.97+0.97Minor17,852
24Feb 6, 202218.83+0.83Minor17,628
25Jun 13, 200118.81+0.81Minor10,500
26May 1, 202018.80+0.80Minor17,580
27Feb 7, 201018.77+0.77Minor17,532
28May 6, 201318.77+0.77Minor17,532
29Sep 19, 202018.75+0.75Minor17,500
30Sep 28, 202418.73+0.73Minor17,468
31Dec 20, 200918.70+0.70Minor17,420
32Feb 26, 202018.68+0.68Minor17,388
33Jan 26, 201018.65+0.65Minor17,340
34Sep 23, 200918.64+0.64Minor17,324
35Jan 24, 201618.55+0.55Minor17,180
36Nov 16, 201818.55+0.55Minor17,180
37Dec 26, 200918.54+0.54Minor17,164
38Dec 15, 201918.50+0.50Minor17,100
39Mar 8, 202418.45+0.45Minor17,020
40Apr 23, 201918.39+0.39Minor16,924
41Jan 6, 202318.34+0.34Minor—
42Aug 8, 202518.31+0.31Minor16,796
43Nov 11, 201518.24+0.24Minor16,684
44Dec 4, 200918.04+0.04Minor16,364

The worst floods along the Oconee River

For this gauge's highest crests, the other gauges on the Oconee River that crested above flood stage within a week.

April 15, 1998: 20.67 ft here, moderate flooding

February 8, 2020: 19.86 ft here, minor flooding

March 28, 2023: 19.76 ft here, minor flooding

Gauges on the Oconee River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Oconee River
Avant Mine near Oconee this gaugeGA18.020.67 ft, Apr 15, 19980
DublinGA21.033.00 ft, Apr 12, 19364
Highway 280 near Mount VernonGA16.025.30 ft, Apr 14, 19363
Lake OconeeGA435.5436.00 ft, Feb 5, 19980
Lake SinclairGA340.5341.50 ft, Mar 9, 19980
MilledgevilleGA22.042.90 ft, Feb 25, 19615
OconeeGA17.029.90 ft, Mar 10, 19986
PenfieldGA13.026.90 ft, Dec 19, 19190

Other gauges in Washington County

Flood gauges in Washington County
GA 272 near Oconee15.015.83 ft, Feb 19, 19950
Oconee17.029.90 ft, Mar 10, 19986
Davisboro10.014.66 ft, Sep 17, 20200

Washington County: every hazard · River floods across the country · Georgia

NOAA National Water Prediction Service, gauge OCOG1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.