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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 103365925 GRASS LAKE CK AT HWY 89 NR MYERS, CA
El Dorado County, California
Hydrologic Unit Code 16050101
Latitude  38°47'53", Longitude 120°00'30" NAD27
Gage datum 6,875 feet above NGVD29
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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)
62000-10-26 12:30PDTYeskaUSGS1.64 Poor NONE1Imported Channel 1WADEunspeunkno1.646.402.640.62UNSPUNSPUNSPunknUNSPUNSPUNSP
51999-10-13 11:40PDTYeskka/khUSGS2.39 Poor NONE1Imported Channel 1WADEunspeunkno2.396.903.430.70UNSPUNSPUNSPunknUNSPUNSPUNSP
41998-10-19 14:44PDTYeskaUSGS3.32 Poor NONE1Imported Channel 1WADEunspeunkno3.327.203.870.86UNSPUNSPUNSPunknUNSPUNSPUNSP
31998-07-17 10:06PDTYesTGRUSGS33.4 0.000.50FairClearNONE1Imported Channel 1WADEunspeunkno33.416.511.42.93UNSPUNSPUNSPunknUNSPUNSPUNSP
21997-10-21 14:58PDTYesTGR/KKAUSGS2.71 0.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno2.716.703.450.79UNSPUNSPUNSPunknUNSPUNSPUNSP
11997-10-07 09:45PDTYesRWUSGS3.21 0.000.70FairClearNONE1Imported Channel 1WADEunspeunkno3.219.603.700.87UNSPUNSPUNSPunknUNSPUNSPUNSP