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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 12352980 Bitterroot R at Maclay bridge, nr Missoula MT
Missoula County, Montana
Hydrologic Unit Code 17010205
Latitude  46°51'12", Longitude 114°05'48" NAD27
Drainage area 2,850  square miles
Output formats
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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)
41990-02-07 14:25MSTYesRRSUSGS719 GoodClearNONE1Imported Channel 1WADEunspeunkno7192494061.77UNSPUNSPUNSPunknUNSPUNSPUNSP
31989-10-18 15:10MDTYesRRSUSGS762 Good NONE1Imported Channel 1WADEunspeunkno7622474191.82UNSPUNSPUNSPunknUNSPUNSPUNSP
21989-08-01 15:00MDTYesMMH/RRSUSGS824 GoodClearNONE1Imported Channel 1WADEunspeunkno8242435101.62UNSPUNSPUNSPunknUNSPUNSPUNSP
11989-07-25 15:30MDTYesRRSUSGS1010 GoodClearNONE1Imported Channel 1WADEunspeunkno10102564882.07UNSPUNSPUNSPunknUNSPUNSPUNSP
1B1970-10-20 -- ----YesebUSGS1130 Unspecified NONE1Imported Channel 1UNSPother 1130 UNSPUNSPUNSPunknUNSPUNSPUNSP
1A1960-02-09 -- ----YesmvjUSGS1020 Unspecified NONE1Imported Channel 1UNSPother 1020 UNSPUNSPUNSPunknUNSPUNSPUNSP