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Hydrograph River at a Glance Download
Green River (KY) at Rochester Stage (ft)Flow (kcfs)Observed: 9.9 ft at 7:00AM Oct 19, 2021Observed: 9.8 ft at 7:00AM Oct 20, 2021Highest Observation: 13.5 ft at 7:00AM Oct 21, 2021Ohio and Butler CountyRCHK2(plotting HGIRZ) Graph Created (3:55AM Oct 22, 2021)ObservedLatest observed value: 13.5 ft at 7:00 AM EDT 21-Oct-2021. Flood Stage is 17 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
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Datum: NGVD29
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Green River (KY) at Rochester are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - above Woodbury Upstream Gauge Downstream Gauge Downstream Gauge - at Paradise
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 25
Flood Stage: 17
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 41.60 ft on 01/27/1937
(2) 35.70 ft on 01/01/1913
(3) 31.18 ft on 03/05/1962
(4) 30.70 ft on 03/07/1997
(5) 29.90 ft on 05/12/1984
(6) 29.28 ft on 12/13/1978
(7) 29.20 ft on 02/19/1989
(8) 29.00 ft on 01/14/1950
(9) 28.60 ft on 05/07/2010
(10) 28.40 ft on 03/13/1964
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.30 ft on 03/06/2021 (P)
(2) 19.00 ft on 03/22/2020
(3) 21.00 ft on 02/16/2020
(4) 17.40 ft on 01/02/2020
(5) 19.90 ft on 12/03/2019
(6) 17.00 ft on 04/21/2019
(7) 24.40 ft on 02/28/2019
(8) 24.20 ft on 02/14/2019
(9) 17.00 ft on 01/03/2019
(10) 23.40 ft on 02/27/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:13
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
30 Water approaches first floor of some homes in Rochester. Several county roads closed.
27 Rochester is cutoff.
26 KY 70 floods one mile north of Rochester.
25 KY 70 floods between Dunbar and South Hill. Water enters basements in some homes in along river in Rochester.
24 KY 1117 floods near Mining City.
17 Reeds and Rochester Ferries remain closed. KY 369 floods one mile north of Rochester.
14 Rochester Ferry stops operation.
(1) Lower Staff Gage Section
(2) Looking Upstream from Ferry, Stage 8.9 Feet
(3) Looking Downstream from Ferry, Stage 8.9 Feet
(4) Upper Staff Gage Section
(5) Ferry Landing on Ohio County Side
(6) Road Leading to Ferry Landing
(7) Ferry at Landing on Ohio County Side looking across to Butler County Side
(8) Remains of Old Dam
(9) Upper Lock Wall near Remains of Dam
(10) Upper Lock Gate
(11) Lower Lock Gate
(12) Downstream from Lock
(13) Old Lock Master House
About This Location Collapse

Latitude: 37.216389° N, Longitude: 86.893889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 372.6 ft 389.6 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble River Forecast vs Potential

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

How low could the river get?
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Louisville Weather Forecast Office
6201 Theiler Lane
Louisville, KY 40229
(502) 969-8842
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Page last modified: 2-Nov-2020 7:30 PM
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