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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1966-08-06 2005-09-01
Inorganics, Major, Metals Water-quality 1966-08-06 2006-06-07
Inorganics, Major, Non-metals Water-quality 1966-08-06 2006-06-07
Inorganics, Minor, Non-metals Water-quality 2005-09-01 2005-09-01
Inorganics, Minor, metals Water-quality 1966-08-06 2005-09-01
Nutrient Water-quality 1966-08-06 2006-06-07
Organics, other Water-quality 1990-08-30 2006-06-07
Organics, pesticide Water-quality 1990-08-30 2004-07-19
Physical Groundwater Levels, Water-quality 1966-08-06 2006-06-07
Radiochemistry Water-quality 2003-08-14 2006-06-07
Water Data for the Nation inventory

Monitoring location 411644091110702 is associated with a Well in Louisa County, Iowa. Water data back to 1966 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
411644091110702 n/a
Site name
075N03W22DCBD 18800 1976Grandview 2 n/a
Site type
Well
GW
DMS latitude 411643 n/a
DMS longitude 0911109 n/a
Decimal latitude 41.2786395 n/a
Decimal longitude -91.1859838 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
Iowa 19
State
Iowa 19
County
Louisa County 115
Country US n/a
Land net location description NWSWSES22 T075N R03W 5 n/a
Name of location map Letts n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 696 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
07080101
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19660806 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
Unchecked data. U
Data-other GW files YYNNNYNN n/a
National aquifer n/a
Local aquifer Aftonian Interglacial Deposits 112AFIG
Local aquifer type
n/a
Well depth 174 feet n/a
Hole depth
174 feet n/a
Source of depth data D n/a
Project number 461904700 n/a