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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 11427770 MF AMERICAN R BL INTERBAY DAM NR FORESTHILL CA
Placer County, California
Hydrologic Unit Code 18020128
Latitude  39°01'35", Longitude 120°36'09" NAD27
Drainage area 89.1  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 
262021-06-22 16:46PDTYesBROCKNERUSGS16.5 Fair NONE
252020-09-15 12:00:30PDTYesSJBUSGS22.0 Fair NONE
242020-07-27 16:02PDTYesSJBUSGS24.2 Fair NONE
232019-09-09 15:39PDTYesSJBUSGS26.2 Fair NONE
222019-06-24 14:30PDTYesSJBUSGS25.3 Fair NONE
212018-09-10 15:35PDTYesSJBUSGS21.6 Unknown NONE
202018-05-31 14:32:30PDTYesSJBUSGS20.6 Unknown NONE
192017-09-25 12:44PDTYesSJBUSGS23.4 Unknown NONE
182017-06-20 15:50:56PDTYesSJBUSGS61.82.140.000.80PoorClearNONE
172016-09-13 12:01:30PDTYesSJBUSGS27.2 Unspecified NONE
162016-07-26 11:57:30PDTYesSJBUSGS27.127.20 Fair NONE
152015-08-11 13:22PDTYesSJBUSGS13.1 Unspecified NONE
142015-06-09 14:20PDTYesSJBUSGS13.6 Unspecified NONE
132014-08-11 13:29PDTYesSJBUSGS26.1 Unspecified NONE
122013-09-27 13:46:15PDTYesSJBUSGS25.3 Unspecified NONE
112013-07-31 14:56:15PDTYesSJBUSGS25.5 Poor NONE
102012-09-07 13:29:15PDTYesSJBUSGS26.3 Poor NONE
92012-07-13 13:32:30PDTYesSJBUSGS26.4 Fair NONE
82011-09-16 10:39:15PDTYesSJBUSGS26.9 0.10PoorUnspecifedNONE
72011-08-18 11:09:15PDTYesSJBUSGS27.2 0.10PoorUnspecifedNONE
62010-09-09 13:26:15PDTYesSJBUSGS26.3 0.10Poor NONE
52010-07-27 11:57:15PDTYesSJBUSGS26.9 0.10Poor NONE
42009-09-21 12:21PDTYesSJBUSGS26.2 Fair NONE
32009-07-30 08:40PDTYesSJB/LJFUSGS26.0 Fair NONE
22008-09-17 16:46PDTYesSJBUSGS16.4 Unspecified NONE
12008-06-19 15:52PDTYesSJBUSGS27.7 Unspecified NONE