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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 1974-06-10 1974-08-29
Inorganics, Major, Metals Water-quality 1974-06-10 1974-08-29
Inorganics, Major, Non-metals Water-quality 1974-06-10 1974-08-29
Inorganics, Minor, metals Water-quality 1974-06-10 1974-08-29
Nutrient Water-quality 1974-06-10 1974-08-29
Physical Groundwater Levels, Water-quality 1974-06-10 1991-11-13
Radiochemistry Water-quality 1974-06-10 1974-08-29
Water Data for the Nation inventory

Monitoring location 420459091500201 is associated with a Well in Benton County, Iowa. Water data back to 1974 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
420459091500201 n/a
Site name
084N09W13DDAD 25519 1974IGS & USGS 16 Shellsburg n/a
Site type
Well
GW
DMS latitude 420456 n/a
DMS longitude 0915002 n/a
Decimal latitude 42.08221885 n/a
Decimal longitude -91.834069 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
Benton County 011
Country US n/a
Land net location description NESESES13 T084N R09W 5 n/a
Name of location map Shellsburg n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 753 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 NYNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19740821 n/a
Date site established or inventoried 19930114 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
Minimal data. M
Data-other GW files YYNNNYNN n/a
National aquifer Silurian-Devonian aquifers N400SLRDVN
Local aquifer Devonian System 340DVNN
Local aquifer type
n/a
Well depth 421 feet n/a
Hole depth
n/a
Source of depth data D n/a
Project number 461900200 n/a