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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 1976-01-22 1976-03-16
Inorganics, Major, Metals Water-quality 1976-01-22 1976-03-16
Inorganics, Major, Non-metals Water-quality 1976-01-22 1976-03-16
Inorganics, Minor, Non-metals Water-quality 1976-01-22 1976-03-16
Inorganics, Minor, metals Water-quality 1976-01-22 1976-03-16
Nutrient Water-quality 1976-01-22 1976-03-16
Physical Daily Values, Groundwater Levels, Water-quality 1976-01-22 2000-09-06
Water Data for the Nation inventory

Monitoring location 420320091472201 is associated with a Test hole not completed as a well in Linn County, Iowa. Water data back to 1976 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
420320091472201 n/a
Site name
084N08W28CBDD 23575 1975IGS & USGS 20 Palo n/a
Site type
Test hole not completed as a well
GW-TH
DMS latitude 420320 n/a
DMS longitude 0914722 n/a
Decimal latitude 42.05555277 n/a
Decimal longitude -91.7896251 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
Linn County 113
Country US n/a
Land net location description SENWSWS28 T084N R08W 5 n/a
Name of location map Shellsburg n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 743 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
07080205
Drainage basin
05 n/a
Topographic setting
Valley flat
V
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19751209 n/a
Date site established or inventoried 19760405 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 YYNYNYNN n/a
National aquifer Silurian-Devonian aquifers N400SLRDVN
Local aquifer Devonian-Silurian Systems 340DVSL
Local aquifer type
n/a
Well depth 442 feet n/a
Hole depth
442 feet n/a
Source of depth data S n/a
Project number 461900200 n/a