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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 441855103594701 4N 1E 9DACA
Lawrence County, South Dakota
Hydrologic Unit Code 10120203
Latitude  44°19'10", Longitude 103°59'50" NAD27
Land-surface elevation 5,765 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Pahasapa Limestone (337PHSP) local aquifer.
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of 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 
31994-07-26 -- ----YesGWSIUSGS3.72 Unspecified NONE
21993-05-14 -- ----YesGWSIUSGS3.08 Unspecified NONE
11990-08-23 -- ----YesGWSIUSGS2.74 Unspecified NONE