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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1990-07-18 1990-07-18
Inorganics, Major, Metals Water-quality 1990-07-18 1990-07-18
Inorganics, Major, Non-metals Water-quality 1990-07-18 1990-07-18
Nutrient Water-quality 1990-07-18 1990-07-18
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 1984-11-14 2024-11-24
n/a USGS Active Groundwater Level Network Site 1984-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2016-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 430154100411801 is associated with a Well in Todd County, South Dakota. Current conditions of Depth to water level are available. Water data back to 1984 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
430154100411801 n/a
Site name
35N29W 2DDDD RST GW WELL M-10 NR OLSONVILLE, SD n/a
Site type
Well
GW
DMS latitude 430156 n/a
DMS longitude 1004118 n/a
Decimal latitude 43.03218829 n/a
Decimal longitude -100.6887916 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
South Dakota 46
State
South Dakota 46
County
Todd County 121
Country US n/a
Land net location description SWSWSWS 1T 35NR 29W n/a
Name of location map OLSONVILLE SW n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 2797.77 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .12 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
10150004
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site YNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YYYYNYNN n/a
National aquifer High Plains aquifer N100HGHPLN
Local aquifer Ogallala Formation 121OGLL
Local aquifer type
n/a
Well depth 44.4 feet n/a
Hole depth
n/a
Source of depth data S n/a
Project number HP/00300 n/a

Operated in cooperation with:

logo for Rosebud Sioux Tribe
Rosebud Sioux Tribe
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USGS - Cooperative Matching Funds