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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 06405500 GRACE COOLIDGE CR NEAR HERMOSA SD
Custer County, South Dakota
Hydrologic Unit Code 10120109
Latitude  43°46'29", Longitude 103°19'42" NAD27
Drainage area 30.8  square miles
Contributing drainage area 30.8  square miles
Output formats
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HTML table without channel data
Tab-separated data with channel data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
91996-06-17 11:45MDTYesJEHUSGS0.00 Excellent NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
81996-06-04 17:00MDTYesJEHUSGS11.9 FairClearNONE1Imported Channel 1WADEunspeunkno11.922.024.50.49UNSPUNSPUNSPunknUNSPUNSPUNSP
71996-05-29 15:20MDTYesDGD/JEHUSGS69.3 GoodClearNONE1Imported Channel 1WADEunspeunkno69.327.242.91.62UNSPUNSPUNSPunknUNSPUNSPUNSP
61995-05-23 18:25MDTYesCJWUSGS82.6 GoodClearNONE1Imported Channel 1WADEunspeunkno82.635.22.352.37UNSPUNSPUNSPunknUNSPUNSPUNSP
51995-04-27 16:45MDTYesCJWUSGS2.72 GoodClearNONE1Imported Channel 1WADEunspeunkno2.726.102.641.03UNSPUNSPUNSPunknUNSPUNSPUNSP
41994-08-30 16:05MDTYesCJWUSGS1.83 PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno1.834.802.080.88UNSPUNSPUNSPunknUNSPUNSPUNSP
31994-06-29 15:10MDTYesNEDUSGS3.87 Fair NONE1Imported Channel 1WADEunspeunkno3.8710.07.570.51UNSPUNSPUNSPunknUNSPUNSPUNSP
21994-04-13 16:10MDTYesCJWUSGS5.74 FairClearNONE1Imported Channel 1WADEunspeunkno5.749.003.771.52UNSPUNSPUNSPunknUNSPUNSPUNSP
11993-11-17 16:25MSTYesCJWUSGS8.50 FairClearNONE1Imported Channel 1WADEunspeunkno8.5016.111.40.74UNSPUNSPUNSPunknUNSPUNSPUNSP