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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2022-10-05 2023-10-17
Inorganics, Major, Metals Water-quality 2022-10-05 2023-07-26
Inorganics, Major, Non-metals Water-quality 2022-10-05 2023-10-17
Inorganics, Minor, Non-metals Water-quality 2023-03-01 2023-07-26
Inorganics, Minor, metals Water-quality 2022-10-05 2023-07-26
Nutrient Daily Values, Unit Values, Water-quality 2022-10-05 2024-11-21
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 2022-10-05 2024-11-21
Radiochemistry Water-quality 2022-10-05 2023-07-26
Stable Isotopes Water-quality 2022-10-05 2023-07-26
n/a USGS Annual Water Data Reports Site 2023-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 401934089541701 is associated with a Well in Mason County, Illinois. Current conditions of Depth to water level and Nitrate plus nitrite are available. Water data back to 2022 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
401934089541701 n/a
Site name
22N7W-29.1d1 (DP-1) n/a
Site type
Well
GW
DMS latitude 401934.4 n/a
DMS longitude 0895417.3 n/a
Decimal latitude 40.3262222 n/a
Decimal longitude -89.9048056 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Illinois 17
State
Illinois 17
County
Mason County 125
Country US n/a
Land net location description S29 T22N R07W 3 n/a
Name of location map TOPEKA, IL n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 468.66 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07130003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
20220802 n/a
Date site established or inventoried 20220802 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth 25.3 feet n/a
Hole depth
n/a
Source of depth data S n/a
Project number n/a