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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 06326000 Powder River near Mizpah MT
Custer County, Montana
Hydrologic Unit Code 10090209
Latitude  46°15'00", Longitude 105°16'00" NAD27
Drainage area 12,132  square miles
Gage datum 2,491.7 feet above NGVD29
Output formats
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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)
61989-09-28 08:55MDTYesbmbUSGS208 Unspecified NONE1Imported Channel 1UNSPother 208 UNSPUNSPUNSPunknUNSPUNSPUNSP
51989-06-27 08:15MDTYesbmbUSGS236 Unspecified NONE1Imported Channel 1UNSPother 236 UNSPUNSPUNSPunknUNSPUNSPUNSP
41989-05-16 10:45MDTYesbmbUSGS3110.42 Unspecified NONE1Imported Channel 1UNSPother 311 UNSPUNSPUNSPunknUNSPUNSPUNSP
31978-10-18 -- ----YescUSGS300 Unspecified NONE1Imported Channel 1UNSPother 300 UNSPUNSPUNSPunknUNSPUNSPUNSP
21978-09-01 -- ----YescUSGS312 Unspecified NONE1Imported Channel 1UNSPother 312 UNSPUNSPUNSPunknUNSPUNSPUNSP
11976-10-19 -- ----YesssUSGS316 Unspecified NONE1Imported Channel 1UNSPother 316 UNSPUNSPUNSPunknUNSPUNSPUNSP