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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 1934-10-18 1951-10-25
Inorganics, Major, Metals Water-quality 1934-10-18 1951-10-25
Inorganics, Major, Non-metals Water-quality 1934-10-18 1951-10-25
Inorganics, Minor, metals Water-quality 1934-10-18 1951-10-25
Nutrient Water-quality 1934-10-18 1951-10-25
Physical Groundwater Levels, Water-quality 1934-10-18 1951-10-25
Water Data for the Nation inventory

Monitoring location 421704091465601 is associated with a Well in Linn County, Iowa. Water data back to 1934 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
421704091465601 n/a
Site name
086N08W04DCB 1910Walker 1 Old n/a
Site type
Well
GW
DMS latitude 421704 n/a
DMS longitude 0914656 n/a
Decimal latitude 42.284435 n/a
Decimal longitude -91.7823967 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 NWSWSES04 T086N R08W 5 n/a
Name of location map Walker n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 901 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
07080205
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1910 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 YNNNNNNN n/a
National aquifer n/a
Local aquifer Silurian System 350SLRN
Local aquifer type
n/a
Well depth 230 feet n/a
Hole depth
230 feet n/a
Source of depth data D n/a
Project number 461904700 n/a