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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 401934089541704
Minimum number of levels = 1
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USGS 401934089541704 22N7W-29.1d4 (SH-2)

Mason County, Illinois
Latitude  40°19'34.3", Longitude  89°54'17.2" NAD83
Land-surface elevation 468.15 feet above NAVD88
The depth of the well is 13.2 feet below land surface.
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Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
2022-10-0513:59 UTCm62611 463.36NAVD881VUSGSSP
2022-10-0513:59 UTCm720194.79  1VUSGSSP
2022-11-2214:17 UTCm62611 463.54NAVD881VUSGSSP
2022-11-2214:17 UTCm720194.61  1VUSGSSP
2022-12-0619:47 UTCm62611 463.65NAVD881VUSGSSP
2022-12-0619:47 UTCm720194.50  1VUSGSSP
2022-12-1221:30 UTCm62611 463.62NAVD881VUSGSSP
2022-12-1221:30 UTCm720194.53  1VUSGSSP
2023-02-2818:58 UTCm62611 464.44NAVD881VUSGSSP
2023-02-2818:58 UTCm720193.71  1VUSGSSP
2023-05-1115:06 UTCm62611 463.82NAVD881VUSGSSP
2023-05-1115:06 UTCm720194.33  1VUSGSSP
2023-06-0116:33 UTCm62611 463.41NAVD881VUSGSSP
2023-06-0116:33 UTCm720194.74  1VUSGSSP
2023-08-3017:43 UTCm62611 462.68NAVD881VUSGSSP
2023-08-3017:43 UTCm720195.47  1VUSGSSP
2023-10-1216:10 UTCm62611 462.91NAVD881VUSGSSP
2023-10-1216:10 UTCm720195.24  1VUSGSSP
2023-11-1417:35 UTCm62611 463.09NAVD881VUSGSSP
2023-11-1417:35 UTCm720195.06  1VUSGSSP
2024-02-2720:24 UTCm62611 463.62NAVD881VUSGSSP
2024-02-2720:24 UTCm720194.53  1VUSGSSP
2024-03-1320:27 UTCm62611 463.33NAVD881VUSGSSP
2024-03-1320:27 UTCm720194.82  1VUSGSSP
2024-05-1017:39 UTCm62611 464.34NAVD881VUSGSSP
2024-05-1017:39 UTCm720193.81  1VUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Status1Static
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusPProvisional data subject to revision.