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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 1970-01-28 1990-07-19
Inorganics, Major, Metals Water-quality 1970-01-28 1985-07-29
Inorganics, Major, Non-metals Water-quality 1970-01-28 1990-07-19
Inorganics, Minor, Non-metals Water-quality 1985-07-29 1985-07-29
Inorganics, Minor, metals Water-quality 1970-01-28 1985-07-29
Nutrient Water-quality 1970-01-28 1990-07-19
Organics, other Water-quality 1990-07-19 1990-07-19
Organics, pesticide Water-quality 1985-07-29 1990-07-19
Physical Water-quality 1970-01-28 1990-07-19
Radiochemistry Water-quality 1985-07-29 1985-07-29
Water Data for the Nation inventory

Monitoring location 415502092240105 is associated with a Well in Tama County, Iowa. Water data back to 1970 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
415502092240105 n/a
Site name
082N13W18AAC 1963Chelsea 1 n/a
Site type
Well
GW
DMS latitude 415500 n/a
DMS longitude 0922356 n/a
Decimal latitude 41.91666168 n/a
Decimal longitude -92.3990762 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
Tama County 171
Country US n/a
Land net location description SWNENES18 T082N R13W 5 n/a
Name of location map Chelsea n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 783 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
07080208
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1963 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 NNNNNNNN n/a
National aquifer n/a
Local aquifer Holocene Alluvium 111ALVM
Local aquifer type
n/a
Well depth 36 feet n/a
Hole depth
36 feet n/a
Source of depth data D n/a
Project number 461904700 n/a