USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 40°19'34.4",   Longitude 89°54'17.3"   NAD83
Mason County, Illinois   , Hydrologic Unit 071300030507

Well depth: 22.3 feet
Land surface altitude: 468.66 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2022-12-06	2025-12-11
Daily Data
Groundwater level above NAVD 1988, feet	2022-12-12	2025-12-10	1095
Depth to water level, feet below land surface	2022-12-07	2025-12-10	3300
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2022-12-14	2025-12-10	2781
Daily Statistics
Depth to water level, feet below land surface	2022-12-07	2025-06-23	930
Monthly Statistics
Depth to water level, feet below land surface	2022-12	2025-06
Annual Statistics
Depth to water level, feet below land surface	2023	2025
Field groundwater-level measurements	2022-10-05	2025-09-24	31
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2022-10-05	2023-10-17	8
Water-Year Summary	2023	2024	2
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS Illinois Water Science Center

Email questions about this site to Illinois Water Science Center Water-Data Inquiries