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Groundwater levels for the Nation

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USGS 422848088191001 46N8E-08.2e1 (4-RCH-S)

Mchenry County, Illinois
Latitude  42°28'48", Longitude  88°19'10" NAD83
Land-surface elevation 844.36 feet above NAVD88
The depth of the well is 24.0 feet below land surface.
The depth of the hole is 178 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
Reselect period
Date Time
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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
2009-02-2522:15 UTCm62610 838.23NGVD291TIL050AA
2009-02-2522:15 UTCm62611 837.99NAVD881TIL050AA
2009-02-2522:15 UTCm720196.16  1TIL050AA
2010-01-1918:34 UTCm62610 838.05NGVD291VUSGSSA
2010-01-1918:34 UTCm62611 837.81NAVD881VUSGSSA
2010-01-1918:34 UTCm720196.34  1VUSGSSA
2010-04-2719:24 UTCm62610 838.57NGVD291VUSGSSA
2010-04-2719:24 UTCm62611 838.33NAVD881VUSGSSA
2010-04-2719:24 UTCm720195.82  1VUSGSSA
2010-08-2517:01 UTCm62610 835.82NGVD291VUSGSSA
2010-08-2517:01 UTCm62611 835.58NAVD881VUSGSSA
2010-08-2517:01 UTCm720198.57  1VUSGSSA
2010-09-0818:47 UTCm62610 835.32NGVD291VUSGSSA
2010-09-0818:47 UTCm62611 835.08NAVD881VUSGSSA
2010-09-0818:47 UTCm720199.07  1VUSGSSA
2010-09-2117:27 UTCm62610 835.23NGVD291VUSGSSA
2010-09-2117:27 UTCm62611 834.99NAVD881VUSGSSA
2010-09-2117:27 UTCm720199.16  1VUSGSSA
2010-11-0216:04 UTCm62610 834.79NGVD291VUSGSSA
2010-11-0216:04 UTCm62611 834.55NAVD881VUSGSSA
2010-11-0216:04 UTCm720199.60  1VUSGSSA
2010-11-0217:05 UTCm62610 834.77NGVD291VUSGSSA
2010-11-0217:05 UTCm62611 834.53NAVD881VUSGSSA
2010-11-0217:05 UTCm720199.62  1VUSGSSA
2011-02-2419:42 UTCm62610 837.85NGVD291VUSGSSA
2011-02-2419:42 UTCm62611 837.61NAVD881VUSGSSA
2011-02-2419:42 UTCm720196.54  1VUSGSSA
2011-04-1417:56 UTCm62610 839.79NGVD291VUSGSSA
2011-04-1417:56 UTCm62611 839.55NAVD881VUSGSSA
2011-04-1417:56 UTCm720194.60  1VUSGSSA
2011-04-1419:24 UTCm62610 839.79NGVD291VUSGSSA
2011-04-1419:24 UTCm62611 839.55NAVD881VUSGSSA
2011-04-1419:24 UTCm720194.60  1VUSGSSA
2011-04-2621:35 UTCm62610 841.07NGVD291VUSGSSA
2011-04-2621:35 UTCm62611 840.83NAVD881VUSGSSA
2011-04-2621:35 UTCm720193.32  1VUSGSSA
2011-05-2616:31 UTCm62610 839.70NGVD291VUSGSSA
2011-05-2616:31 UTCm62611 839.46NAVD881VUSGSSA
2011-05-2616:31 UTCm720194.69  1VUSGSSA
2011-08-0121:40 UTCm62610 839.19NGVD291VUSGSSA
2011-08-0121:40 UTCm62611 838.95NAVD881VUSGSSA
2011-08-0121:40 UTCm720195.20  1VUSGSSA
2011-10-1223:09 UTCm62610 837.14NGVD291VUSGSSA
2011-10-1223:09 UTCm62611 836.90NAVD881VUSGSSA
2011-10-1223:09 UTCm720197.25  1VUSGSSA
2011-10-1818:18 UTCm62610 837.01NGVD291VUSGSSA
2011-10-1818:18 UTCm62611 836.77NAVD881VUSGSSA
2011-10-1818:18 UTCm720197.38  1VUSGSSA
2011-12-0818:50 UTCm62610 838.20NGVD291VUSGSSA
2011-12-0818:50 UTCm62611 837.96NAVD881VUSGSSA
2011-12-0818:50 UTCm720196.19  1VUSGSSA
2011-12-0821:42 UTCm62610 837.87NGVD291VUSGSSA
2011-12-0821:42 UTCm62611 837.63NAVD881VUSGSSA
2011-12-0821:42 UTCm720196.52  1VUSGSSA
2012-03-0721:55 UTCm62610 838.83NGVD291VUSGSSA
2012-03-0721:55 UTCm62611 838.59NAVD881VUSGSSA
2012-03-0721:55 UTCm720195.56  1VUSGSSA
2012-03-2121:29 UTCm62610 838.75NGVD291VUSGSSA
2012-03-2121:29 UTCm62611 838.51NAVD881VUSGSSA
2012-03-2121:29 UTCm720195.64  1VUSGSSA
2012-08-2320:32 UTCm62610 833.80NGVD291VUSGSSA
2012-08-2320:32 UTCm62611 833.56NAVD881VUSGSSA
2012-08-2320:32 UTCm7201910.59  1VUSGSSA
2012-10-1119:17 UTCm62610 833.51NGVD291VUSGSSA
2012-10-1119:17 UTCm62611 833.27NAVD881VUSGSSA
2012-10-1119:17 UTCm7201910.88  1VUSGSSA
2013-04-0914:59 UTCm62610 838.60NGVD291VUSGSSA
2013-04-0914:59 UTCm62611 838.36NAVD881VUSGSSA
2013-04-0914:59 UTCm720195.79  1VUSGSSA
2013-04-2421:56 UTCm62610 840.99NGVD291VUSGSSA
2013-04-2421:56 UTCm62611 840.75NAVD881VUSGSSA
2013-04-2421:56 UTCm720193.40  1VUSGSSA
2013-07-1114:31 UTCm62610 838.84NGVD291VUSGSSA
2013-07-1114:31 UTCm62611 838.60NAVD881VUSGSSA
2013-07-1114:31 UTCm720195.55  1VUSGSSA
2013-12-0518:10 UTCm62610 835.51NGVD291VUSGSSA
2013-12-0518:10 UTCm62611 835.27NAVD881VUSGSSA
2013-12-0518:10 UTCm720198.88  1VUSGSSA
2014-04-1520:03 UTCm62610 840.36NGVD291VUSGSSA
2014-04-1520:03 UTCm62611 840.12NAVD881VUSGSSA
2014-04-1520:03 UTCm720194.03  1VUSGSSA
2014-05-2918:05 UTCm62610 839.01NGVD291VUSGSSA
2014-05-2918:05 UTCm62611 838.77NAVD881VUSGSSA
2014-05-2918:05 UTCm720195.38  1VUSGSSA
2014-08-2017:55 UTCm62610 836.69NGVD291VUSGSSA
2014-08-2017:55 UTCm62611 836.45NAVD881VUSGSSA
2014-08-2017:55 UTCm720197.70  1VUSGSSA
2014-10-0619:04 UTCm62610 836.15NGVD291VUSGSSA
2014-10-0619:04 UTCm62611 835.91NAVD881VUSGSSA
2014-10-0619:04 UTCm720198.24  1VUSGSSA
2014-10-1418:06 UTCm62610 835.93NGVD291VUSGSSA
2014-10-1418:06 UTCm62611 835.69NAVD881VUSGSSA
2014-10-1418:06 UTCm720198.46  1VUSGSSA
2014-12-0417:41 UTCm62610 836.40NGVD291VUSGSSA
2014-12-0417:41 UTCm62611 836.16NAVD881VUSGSSA
2014-12-0417:41 UTCm720197.99  1VUSGSSA
2015-04-0214:10 UTCm62610 838.40NGVD291VUSGSSA
2015-04-0214:10 UTCm62611 838.16NAVD881VUSGSSA
2015-04-0214:10 UTCm720195.99  1VUSGSSA
2015-04-1415:34 UTCm62610 839.94NGVD291VUSGSSA
2015-04-1415:34 UTCm62611 839.70NAVD881VUSGSSA
2015-04-1415:34 UTCm720194.45  1VUSGSSA
2015-06-0214:12 UTCm62610 838.27NGVD291VUSGSSA
2015-06-0214:12 UTCm62611 838.03NAVD881VUSGSSA
2015-06-0214:12 UTCm720196.12  1VUSGSSA
2015-10-0519:43 UTCm62610 837.48NGVD291VUSGSSA
2015-10-0519:43 UTCm62611 837.24NAVD881VUSGSSA
2015-10-0519:43 UTCm720196.91  1VUSGSSA
2016-04-1415:33 UTCm62610 839.62NGVD291VUSGSSA
2016-04-1415:33 UTCm62611 839.38NAVD881VUSGSSA
2016-04-1415:33 UTCm720194.77  1VUSGSSA
2016-12-0117:49 UTCm62610 837.26NGVD291VUSGSSA
2016-12-0117:49 UTCm62611 837.02NAVD881VUSGSSA
2016-12-0117:49 UTCm720197.13  1VUSGSSA
2017-04-2516:28 UTCm62610 840.10NGVD291VUSGSSA
2017-04-2516:28 UTCm62611 839.86NAVD881VUSGSSA
2017-04-2516:28 UTCm720194.29  1VUSGSSA
2017-08-2817:01 UTCm62610 836.59NGVD291VUSGSSA
2017-08-2817:01 UTCm62611 836.35NAVD881VUSGSSA
2017-08-2817:01 UTCm720197.80  1VUSGSSA
2017-11-1317:07 UTCm62610 836.78NGVD291VUSGSSA
2017-11-1317:07 UTCm62611 836.54NAVD881VUSGSSA
2017-11-1317:07 UTCm720197.61  1VUSGSSA
2018-01-1017:25 UTCm62610 834.75NGVD291VUSGSSA
2018-01-1017:25 UTCm62611 834.51NAVD881VUSGSSA
2018-01-1017:25 UTCm720199.64  1VUSGSSA
2018-02-1415:57 UTCm62610 835.00NGVD291VUSGSSA
2018-02-1415:57 UTCm62611 834.76NAVD881VUSGSSA
2018-02-1415:57 UTCm720199.39  1VUSGSSA
2018-03-1216:21 UTCm62610 836.19NGVD291VUSGSSA
2018-03-1216:21 UTCm62611 835.95NAVD881VUSGSSA
2018-03-1216:21 UTCm720198.20  1VUSGSSA
2018-03-2817:39 UTCm62610 835.70NGVD291VUSGSSA
2018-03-2817:39 UTCm62611 835.46NAVD881VUSGSSA
2018-03-2817:39 UTCm720198.69  1VUSGSSA
2018-04-0619:43 UTCm62610 835.80NGVD291VUSGSSA
2018-04-0619:43 UTCm62611 835.56NAVD881VUSGSSA
2018-04-0619:43 UTCm720198.59  1VUSGSSA
2018-04-0918:36 UTCm62610 835.82NGVD291VUSGSSA
2018-04-0918:36 UTCm62611 835.58NAVD881VUSGSSA
2018-04-0918:36 UTCm720198.57  1VUSGSSA
2018-05-0714:36 UTCm62610 838.49NGVD291VUSGSSA
2018-05-0714:36 UTCm62611 838.25NAVD881VUSGSSA
2018-05-0714:36 UTCm720195.90  1VUSGSSA
2018-08-1518:42 UTCm62610 836.40NGVD291VUSGSSA
2018-08-1518:42 UTCm62611 836.16NAVD881VUSGSSA
2018-08-1518:42 UTCm720197.99  1VUSGSSA
2018-11-1417:08 UTCm62610 838.00NGVD291VUSGSSA
2018-11-1417:08 UTCm62611 837.76NAVD881VUSGSSA
2018-11-1417:08 UTCm720196.39  1VUSGSSA
2019-02-2116:23 UTCm62610 838.07NGVD291VUSGSSA
2019-02-2116:23 UTCm62611 837.83NAVD881VUSGSSA
2019-02-2116:23 UTCm720196.32  1VUSGSSA
2019-05-0717:58 UTCm62610 839.23NGVD291VUSGSSA
2019-05-0717:58 UTCm62611 838.99NAVD881VUSGSSA
2019-05-0717:58 UTCm720195.16  1VUSGSSA
2019-08-0714:24 UTCm62610 836.05NGVD291VUSGSSA
2019-08-0714:24 UTCm62611 835.81NAVD881VUSGSSA
2019-08-0714:24 UTCm720198.34  1VUSGSSA
2019-11-1916:26 UTCm62610 838.07NGVD291VUSGSSA
2019-11-1916:26 UTCm62611 837.83NAVD881VUSGSSA
2019-11-1916:26 UTCm720196.32  1VUSGSSA
2020-02-2814:52 UTCm62610 836.47NGVD291VUSGSSA
2020-02-2814:52 UTCm62611 836.23NAVD881VUSGSSA
2020-02-2814:52 UTCm720197.92  1VUSGSSA
2020-04-2418:08 UTCm62610 837.28NGVD291VUSGSSA
2020-04-2418:08 UTCm62611 837.04NAVD881VUSGSSA
2020-04-2418:08 UTCm720197.11  1VUSGSSA
2020-07-0817:31 UTCm62610 837.44NGVD291VUSGSSA
2020-07-0817:31 UTCm62611 837.20NAVD881VUSGSSA
2020-07-0817:31 UTCm720196.95  1VUSGSSA
2020-08-2716:47 UTCm62610 835.68NGVD291VUSGSSA
2020-08-2716:47 UTCm62611 835.44NAVD881VUSGSSA
2020-08-2716:47 UTCm720198.71  1VUSGSSA
2020-12-1517:09 UTCm62610 838.32NGVD291VUSGSSA
2020-12-1517:09 UTCm62611 838.08NAVD881VUSGSSA
2020-12-1517:09 UTCm720196.07  1VUSGSSA
2021-02-0917:11 UTCm62610 835.35NGVD291VUSGSSA
2021-02-0917:11 UTCm62611 835.11NAVD881VUSGSSA
2021-02-0917:11 UTCm720199.04  1VUSGSSA
2021-05-0518:38 UTCm62610 837.11NGVD291VUSGSSA
2021-05-0518:38 UTCm62611 836.87NAVD881VUSGSSA
2021-05-0518:38 UTCm720197.28  1VUSGSSA
2021-08-2714:33 UTCm62610 834.98NGVD291VUSGSSA
2021-08-2714:33 UTCm62611 834.74NAVD881VUSGSSA
2021-08-2714:33 UTCm720199.41  1VUSGSSA
2021-11-1720:14 UTCm62610 834.32NGVD291VUSGSSA
2021-11-1720:14 UTCm62611 834.08NAVD881VUSGSSA
2021-11-1720:14 UTCm7201910.07  1VUSGSSA
2022-02-0918:51 UTCm62610 833.53NGVD291VUSGSSA
2022-02-0918:51 UTCm62611 833.29NAVD881VUSGSSA
2022-02-0918:51 UTCm7201910.86  1VUSGSSA
2022-04-2521:12 UTCm62610 840.22NGVD291VUSGSSA
2022-04-2521:12 UTCm62611 839.98NAVD881VUSGSSA
2022-04-2521:12 UTCm720194.17  1VUSGSSA
2022-04-2622:13 UTCm62610 840.11NGVD291VUSGSSA
2022-04-2622:13 UTCm62611 839.87NAVD881VUSGSSA
2022-04-2622:13 UTCm720194.28  1VUSGSSA
2022-05-2417:51 UTCm62610 838.60NGVD291VUSGSSA
2022-05-2417:51 UTCm62611 838.36NAVD881VUSGSSA
2022-05-2417:51 UTCm720195.79  1VUSGSSA
2022-09-1918:18 UTCm62610 838.41NGVD291VUSGSSA
2022-09-1918:18 UTCm62611 838.17NAVD881VUSGSSA
2022-09-1918:18 UTCm720195.98  1VUSGSSA
2023-01-1219:21 UTCm62610 837.50NGVD291VUSGSSA
2023-01-1219:21 UTCm62611 837.26NAVD881VUSGSSA
2023-01-1219:21 UTCm720196.89  1VUSGSSA
2023-04-1919:54 UTCm62610 839.94NGVD291VUSGSSA
2023-04-1919:54 UTCm62611 839.70NAVD881VUSGSSA
2023-04-1919:54 UTCm720194.45  1VUSGSSA
2023-08-0119:25 UTCm62610 835.71NGVD291VUSGSSA
2023-08-0119:25 UTCm62611 835.47NAVD881VUSGSSA
2023-08-0119:25 UTCm720198.89  1VUSGSSA
2023-11-1619:56 UTCm62610 835.49NGVD291VUSGSSA
2023-11-1619:56 UTCm62611 835.25NAVD881VUSGSSA
2023-11-1619:56 UTCm720199.11  1VUSGSSA
2024-02-1421:04 UTCm62610 838.95NGVD291VUSGSSA
2024-02-1421:04 UTCm62611 838.71NAVD881VUSGSSA
2024-02-1421:04 UTCm720195.65  1VUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyIL050AECOM, Inc, IL
Measuring agencyUSGSU.S. Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.