National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

View the Enhanced Operating Capability Products and Services StoryMap here

Weather Forecast Office Denver/Boulder, CO

Missouri Basin River Forecast Center

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Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (MST)

Datum: NGVD29

Metadata

NOTE: Gauge reading affected by reservoir operations.

NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the South Platte River at South Platte are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	9.5
Moderate Flood Stage:	8.5
Flood Stage:	7
Action Stage:	6
Low Stage (in feet):	-9999

Historic Crests
(1) 11.20 ft on 07/12/1996
(2) 8.95 ft on 06/08/1921
(3) 8.24 ft on 04/30/1970
(4) 8.15 ft on 04/23/1942
(5) 7.96 ft on 06/14/1949
(6) 7.63 ft on 06/14/2015
(7) 7.32 ft on 06/18/1995
(8) 6.90 ft on 06/24/1918
(9) 6.85 ft on 05/22/1973
(10) 6.51 ft on 06/19/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.78 ft on 08/19/2021
(2) 3.71 ft on 08/06/2020
(3) 4.80 ft on 07/06/2019
(4) 3.75 ft on 07/23/2018
(5) 4.03 ft on 07/21/2017 (P)
(6) 4.15 ft on 06/14/2016
(7) 7.63 ft on 06/14/2015
(8) 4.61 ft on 06/01/2014
(9) 3.75 ft on 09/16/2013
(10) 3.72 ft on 07/07/2012
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 www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:11

	Gauge Location	Disclaimer
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

If you notice any errors in the below information, please contact our Webmaster
9.5	Major widespread flooding occurs in the canyon.
9	Many bridges crossing the South Platte River are impassable.
8.5	There is moderate flooding of bridges and rural roads. Structures begin to flood along the river.
8	Bridges and rural roads flood along the river.
7.5	High water could cause significant washing, and adversely affect bridges over the river. Campgrounds near the river are flooded.
7	Y Camp Road south of Deckers begins to flood. Campgrounds close to the river may also be impacted.
6.5	There is minor flooding of lowlands adjacent to the South Platte River.
6	The river begins to overflow into low lying areas upstream near Deckers.
Photos (1) Looking Upstream (2) Looking Downstream

About This Location

Latitude: 39.408800° N, Longitude: 105.169900° W, Horizontal Datum: NAD27

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	7 ft	Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum	Elevation (gauge height = 0)	Elevation (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	6078.43 ft	6085.43 ft	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Additional Information

Observations provided by the Colorado Division of Water Resources

How low could the river get?

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

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
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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Page last modified: 2-Nov-2020 7:28 PM

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