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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 Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1984-09-05 2005-08-22
Inorganics, Major, Metals Water-quality 1984-09-05 2005-06-14
Inorganics, Major, Non-metals Water-quality 1984-09-05 2013-04-23
Inorganics, Minor, Non-metals Water-quality 1984-09-05 2005-06-14
Inorganics, Minor, metals Water-quality 1984-09-05 2005-06-14
Microbiological Water-quality 2005-08-22 2005-08-22
Nutrient Water-quality 1984-09-05 2005-06-14
Organics, other Water-quality 2005-06-14 2005-06-14
Organics, pesticide Water-quality 2005-06-14 2005-06-14
Physical Groundwater Levels, Water-quality 1976-01-01 2013-04-23
Radiochemistry Water-quality 1984-09-05 2005-06-14
Water Data for the Nation inventory

Monitoring location 413931093292001 is associated with a Well in Polk 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
413931093292001 n/a
Site name
079N23W11DCDD 23701 1976Altoona 3 n/a
Site type
Well
GW
DMS latitude 413931.4 n/a
DMS longitude 0932919.7 n/a
Decimal latitude 41.6587222 n/a
Decimal longitude -93.4888056 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Iowa 19
State
Iowa 19
County
Polk County 153
Country US n/a
Land net location description SESWSES11 T079N R23W 5 n/a
Name of location map Altoona SW n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 977.33 feet n/a
Method altitude determined Light Detection And Ranging, airplane J
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07100008
Drainage basin
09 n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19760215 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 YYNNNNNN n/a
National aquifer Cambrian-Ordovician aquifer system S300CAMORD
Local aquifer Ordovician-Cambrian Systems 360OVCB
Local aquifer type
Confined multiple aquifers M
Well depth 2533 feet n/a
Hole depth
2533 feet n/a
Source of depth data D n/a
Project number 461904700 n/a