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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	2025-08-28
Daily Data
Depth to water level, feet below land surface	2022-12-07	2025-08-27	2985
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2023-01-10	2025-08-27	2445
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	2024-08-09	21
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...

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