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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 12421200 SPOKANE RIVER AT TRENT BRIDGE AT TRENTWOOD, WA


Spokane County, Washington
Hydrologic Unit Code 17010305
Latitude  47°41'32", Longitude 117°14'03" NAD27
Drainage area 4,200.00  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
 
11M1977-07-21 -- ----YesADMUSGS289 Unspecified NONE
10M1973-09-19 -- ----YesADMUSGS335 Unspecified NONE
9M1973-07-20 -- ----YesADMUSGS785 Unspecified NONE
8M1973-05-30 -- ----YesADMUSGS3770 Unspecified NONE
7M1973-04-05 -- ----YesADMUSGS4530 Unspecified NONE
6M1973-02-08 -- ----YesADMUSGS5440 Unspecified NONE
5M1972-12-14 -- ----YesADMUSGS2880 Unspecified NONE
4M1972-10-31 -- ----YesADMUSGS1800 Unspecified NONE
3M1972-09-15 -- ----YesADMUSGS494 Unspecified NONE
2M1972-09-13 -- ----YesADMUSGS1090 Unspecified NONE
1M1972-09-12 -- ----YesADMUSGS1080 Unspecified NONE