HydrionisGlobal Water Intelligence
HUC8 subbasin

Upper South Platte

7 monitoring stations within this area in United States, holding 511 values between 1896 and 2006. A United States federal hydrologic unit at the eight-digit subbasin level — a drainage area, not a river. Many subbasins take the name of the largest river within them, and the gauges below are anywhere inside the area, including on tributaries.

United StatesHUC8 subbasin

The monitoring network within this area

Hydrionis holds 511 values from 7 gauges within it. Discharge is a property of a gauge and its reach, not of this drainage area, so this page reports the network and its records rather than a single figure.

7
Gauges
511
Values held
1896–2006
Record spans
Gauges within the Upper South Platte huc8 subbasin
7 monitoring points, positioned as the publisher records them.
Gauges within the Upper South Platte huc8 subbasinSOUTH PLATTE RIVER BELOW CHEESMAN LAKE, CO, NF SOUTH PLATTE R BELOW GENEVA C, AT GRANT, CO., NF SOUTH PLATTE RIVER AT SOUTH PLATTE, CO., SOUTH PLATTE RIVER AT SOUTH PLATTE, CO, SOUTH PLATTE RIVER AT WATERTON, CO., BEAR CREEK AT MORRISON, CO, BEAR CREEK AT MOUTH AT SHERIDAN, COSOUTH PLATTE RIVER BELOW CHEESMAN LAKE, CONF SOUTH PLATTE R BELOW GENEVA C, AT GRANT, CO.NF SOUTH PLATTE RIVER AT SOUTH PLATTE, CO.SOUTH PLATTE RIVER AT SOUTH PLATTE, COSOUTH PLATTE RIVER AT WATERTON, CO.BEAR CREEK AT MORRISON, COBEAR CREEK AT MOUTH AT SHERIDAN, CO

Every gauge Hydrionis holds within this area

GaugeMeasuresValuesRecord
SOUTH PLATTE RIVER AT SOUTH PLATTE, COmean river flow871896–2006
BEAR CREEK AT MORRISON, COmean river flow871920–2006
BEAR CREEK AT MOUTH AT SHERIDAN, COmean river flow791928–2006
SOUTH PLATTE RIVER BELOW CHEESMAN LAKE, COmean river flow781925–2006
NF SOUTH PLATTE RIVER AT SOUTH PLATTE, CO.mean river flow681914–1981
NF SOUTH PLATTE R BELOW GENEVA C, AT GRANT, CO.mean river flow591909–1997
SOUTH PLATTE RIVER AT WATERTON, CO.mean river flow531927–1979

How these gauges were attached to this water

Assigned by the publisher to a numbered basin Every gauge here is assigned to this drainage area by its own publisher, which issues the area an official code — 10190002. A drainage area is not a river: it contains the tributaries as well as the main channel, and a gauge in it may be on any of them.

GaugeEvidenceEstablished
SOUTH PLATTE RIVER AT SOUTH PLATTE, COStated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
BEAR CREEK AT MORRISON, COStated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
BEAR CREEK AT MOUTH AT SHERIDAN, COStated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
SOUTH PLATTE RIVER BELOW CHEESMAN LAKE, COStated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
NF SOUTH PLATTE RIVER AT SOUTH PLATTE, CO.Stated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
NF SOUTH PLATTE R BELOW GENEVA C, AT GRANT, CO.Stated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26
SOUTH PLATTE RIVER AT WATERTON, CO.Stated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/42026-08-26

What this record holds

Hydrionis decides which waters get a page, and which of those are offered to search, from what is actually held rather than from how the page reads. Five signals are counted; this record has 2 of them, which makes it a profile, not indexed.

SignalHeldCounts
Gauges holding a real record7yes, 3 or more
Years spanned111yes, 20 or more
Values held511no
Distinct measurements1no
Publishers measuring it1no
Official identifiers1recorded, not counted

Where these figures come from

Spatially aggregatedHigh confidence2006

Source: USGS — National Water Information System, USGS site 06707500, parameter 00060, annual mean statistics. Licence: Open.

Method: Annual mean discharge as published by the USGS statistics service, computed by USGS from its own quality-controlled daily record. Hydrionis converts cubic feet per second to cubic metres per second and records the publisher unit alongside; it does not recompute the mean.

Data from the U.S. Geological Survey National Water Information System, a work of the United States government and therefore in the public domain.

Retrieved 24 August 2026.

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