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Green River at Lock 2 at Calhoun water level

River gauge, Green River, Kentucky, United States

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Right now

Below flood stage

Water level

10.21ft Up 0.20 ft over the last 24 hours

Flow
1,520 cfs
13 25 38 Highest onrecord 43.75 ft Minor floodstage 23.00 ft

History

History
9.810.010.2ftOct 16Oct 18Oct 20Oct 22Oct 249.810.010.2ftOct 16Oct 20Oct 24
Water level Forecast Minor flood stage

The forecast expects the river to fall to 9.80 ft by Thursday, October 22 at 01:00 AM. Issued Monday, October 19 at 08:25 AM by NOAA National Weather Service.

What this means

The gauge at Green River at Lock 2 at Calhoun reads 10.21 ft, a normal level.

It is 12.79 ft below the flood stage of 23.00 ft.

The water is rising: up 0.20 ft over the past 24 hours. The forecast expects the river to fall to 9.80 ft by Thursday, October 22 at 01:00 AM. There is still 12.79 ft of room before flood stage. Over the past 30 days it has moved between 9.85 ft and 10.21 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
43.75 ftJanuary 27, 1937
Forecast peak
10.10 ftMonday, October 19 at 01:00 PM

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 23.00 ft, still 12.79 ft away.

What happens at each level

42.40 ft
This flood will exceed the highest stage on record. 60 percent of McLean county is inundated.
34.00 ft
State Road 81 south of Rumsey is flooded and closed.
33.00 ft
The entire town of Rumsey is flooded.
32.00 ft
Most of Rumsey is flooded. State Road 81 floods in Rumsey near the Methodist church. Widespread flooding of agricultural land south of Rumsey, even as far south as Cypress Creek.
30.00 ft
Lower Calhoun begins flooding. A large portion of Rumsey is flooded and evacuation of homes becomes necessary.
28.00 ft
Riverview Drive in Calhoun floods.
26.00 ft
Moderate flooding occurs with thousands of acreage flooded in the Island, Rumsey, and Jewel City areas.
23.00 ft
Minor flooding occurs affecting mainly agricultural bottomland and low lying areas.
10.21 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 11 %.

RankLevelDate
143.75 ftJanuary 27, 1937
236.80 ftJanuary 1, 1913
336.30 ftJanuary 16, 1950
435.89 ftApril 13, 2025
534.37 ftMarch 11, 1997
634.01 ftMay 7, 2011
733.97 ftMarch 10, 1962
833.96 ftMarch 17, 1964
933.60 ftMarch 8, 1945
1033.37 ftFebruary 24, 1989

Weather at the gauge

The forecast is not available right now.

Sunrise 07:02 AM Sunset 06:08 PM Daylight 11 hr, 6 min First quarter 62%

Map

Other gauges on the Green River

Gauge Level Compared with normal 24 hours Distance
Green River near McKinneyRiver gauge, Green River 3.8 cfs Normal −0.5 cfs 138 mi
Green River near CampbellsvilleRiver gauge, Green River 94.09 ft Low ±0 107 mi
Green River at GreensburgRiver gauge, Green River 1.09 ft No reference yet ±0 99 mi
Green River at MunfordvilleRiver gauge, Green River 2.83 ft Below flood stage −0.17 ft 78 mi
Green River at Mammoth CaveRiver gauge, Green River 9.15 ft Normal −0.28 ft 68 mi
Green River at Highway 259 at BrownsvilleRiver gauge, Green River 17.63 ft No reference yet −0.23 ft 59 mi
Green River at Lock 4 at WoodburyRiver gauge, Green River 3.13 ft Below flood stage −0.05 ft 42 mi
Green River at RochesterRiver gauge, Green River 29.02 ft Below flood stage ±0 30 mi
Green River at ParadiseRiver gauge, Green River 0.80 ft Very low −0.06 ft 24 mi
Green River at RockportRiver gauge, Green River 1.07 ft No reference yet +0.17 ft 20 mi
Green River at LivermoreRiver gauge, Green River 4.01 ft Low +0.22 ft 8 mi
Green River at Lock 1 at SpottsvilleRiver gauge, Green River 1,240 cfs Low +180 cfs 24 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Ohio River at Newburgh Lock and DamRiver gauge, Ohio River 17.57 ft Normal −0.20 ft 28 mi
Ohio River at HendersonRiver gauge, Ohio River 14.51 ft Normal +0.03 ft 28 mi
Pond River near ApexRiver gauge, Pond River 17.1 cfs Normal −7.2 cfs 29 mi
Rough River near DundeeRiver gauge, Rough River 9.42 ft Below flood stage −0.02 ft 30 mi
Tradewater River near ProvidenceRiver gauge, Tradewater River 68.5 cfs Normal −44.5 cfs 33 mi
Caney Creek near Horse BranchRiver gauge, Caney Creek 0.0 cfs Low ±0 34 mi

Questions and answers

What is flood stage for the Green River at Lock 2 at Calhoun?

The official flood stage is 23.00 ft. The level is currently 12.79 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Green River at Lock 2 at Calhoun today?

On Oct 19, 2026, 02:00 PM CDT, the water level was 10.21 ft. Up 0.20 ft over the last 24 hours.

Is Green River at Lock 2 at Calhoun rising or falling?

Up 0.20 ft over the last 24 hours.

Is the level of Green River at Lock 2 at Calhoun normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Green River at Lock 2 at Calhoun?

The highest level on record is 43.75 ft on January 27, 1937.

Is Green River at Lock 2 at Calhoun expected to rise?

The forecast expects the river to fall to 9.80 ft by Thursday, October 22 at 01:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:03320000 (Agency page)
Coordinates
37.53394, -87.26389 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 10.21 ft 2026-10-19 19:00 Provisional
Flow 1,520 cfs 2026-10-19 19:00 Provisional

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How to cite

U.S. Geological Survey: Green River at Lock 2 at Calhoun (usgs:03320000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/kentucky/green-river-at-lock-2-at-calhoun

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.