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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 1934-07-10 1980-08-27
Inorganics, Major, Metals Water-quality 1934-07-10 1980-08-27
Inorganics, Major, Non-metals Water-quality 1934-07-10 1980-08-27
Inorganics, Minor, Non-metals Water-quality 1980-08-27 1980-08-27
Inorganics, Minor, metals Water-quality 1934-07-10 1980-08-27
Nutrient Water-quality 1934-07-10 1980-08-27
Physical Water-quality 1934-07-10 1980-08-27
Radiochemistry Water-quality 1980-08-27 1980-08-27
Water Data for the Nation inventory

Monitoring location 404446094141401 is associated with a Lake, Reservoir, Impoundment in Ringgold 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
404446094141401 n/a
Site name
069N29W30BDCC 1939Mount Ayr Town Lake n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 404446 n/a
DMS longitude 0941414 n/a
Decimal latitude 40.74610336 n/a
Decimal longitude -94.2374541 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
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
Ringgold County 159
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
10280101
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
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
n/a
Data-other GW files NNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a