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DESCRIPTION:

Latitude 40°19'34.3",   Longitude 89°54'17.2"   NAD83
Mason County, Illinois   , Hydrologic Unit 071300030507

Well depth: 10.2 feet
Land surface altitude: 468.15 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2022-10-06	2026-01-07
Daily Data
Temperature, water, degrees Celsius	2022-10-07	2026-01-06	3543
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-10-07	2026-01-06	3540
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-10-07	2026-01-06	3474
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2022-10-24	2023-02-21	360
Daily Statistics
Temperature, water, degrees Celsius	2022-10-07	2025-06-23	984
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-10-07	2025-06-23	983
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-10-07	2025-06-23	961
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2022-10-24	2023-02-21	120
Monthly Statistics
Temperature, water, degrees Celsius	2022-10	2025-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-10	2025-06
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-10	2025-06
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2022-10	2023-02
Annual Statistics
Temperature, water, degrees Celsius	2023	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2023	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2023	2025
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2023	2023
Field groundwater-level measurements	2022-10-05	2025-09-24	18
Water-Year Summary	2023	2024	2
Revisions	Loading...

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