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Groundwater levels for the Nation

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USGS 422142088303102 45N6E-23.7d2 (7-HRT-I)

Mchenry County, Illinois
Latitude  42°21'42.2", Longitude  88°30'31.5" NAD83
Land-surface elevation 924.30 feet above NAVD88
The depth of the well is 114.9 feet below land surface.
The depth of the hole is 165.7 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.
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Water-level
date-time
accuracy
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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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Status
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Method of
measurement
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Measuring
agency
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measurement
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Water-level
approval
status
2009-02-2519:57 UTCm62610 889.30NGVD291SIL050AA
2009-02-2519:57 UTCm62611 889.12NAVD881SIL050AA
2009-02-2519:57 UTCm7201935.02  1SIL050AA
2010-01-2017:00 UTCm62610 889.12NGVD291VUSGSSA
2010-01-2017:00 UTCm62611 888.94NAVD881VUSGSSA
2010-01-2017:00 UTCm7201935.20  1VUSGSSA
2010-04-2812:19 UTCm62610 890.19NGVD291VUSGSSA
2010-04-2812:19 UTCm62611 890.01NAVD881VUSGSSA
2010-04-2812:19 UTCm7201934.13  1VUSGSSA
2010-10-2014:21 UTCm62610 886.44NGVD291VUSGSSA
2010-10-2014:21 UTCm62611 886.26NAVD881VUSGSSA
2010-10-2014:21 UTCm7201937.88  1VUSGSSA
2010-10-2017:05 UTCm62610 886.43NGVD291VUSGSSA
2010-10-2017:05 UTCm62611 886.25NAVD881VUSGSSA
2010-10-2017:05 UTCm7201937.89  1VUSGSSA
2011-02-2323:15 UTCm62610 885.39NGVD291VUSGSSA
2011-02-2323:15 UTCm62611 885.21NAVD881VUSGSSA
2011-02-2323:15 UTCm7201938.93  1VUSGSSA
2011-05-2600:26 UTCm62610 889.23NGVD291VUSGSSA
2011-05-2600:26 UTCm62611 889.05NAVD881VUSGSSA
2011-05-2600:26 UTCm7201935.09  1VUSGSSA
2011-08-0313:41 UTCm62610 889.30NGVD291VUSGSSA
2011-08-0313:41 UTCm62611 889.12NAVD881VUSGSSA
2011-08-0313:41 UTCm7201935.02  1VUSGSSA
2011-10-1218:52 UTCm62610 886.98NGVD291VUSGSSA
2011-10-1218:52 UTCm62611 886.80NAVD881VUSGSSA
2011-10-1218:52 UTCm7201937.34  1VUSGSSA
2012-03-0823:17 UTCm62610 889.03NGVD291VUSGSSA
2012-03-0823:17 UTCm62611 888.85NAVD881VUSGSSA
2012-03-0823:17 UTCm7201935.29  1VUSGSSA
2012-03-2018:44 UTCm62610 889.96NGVD291VUSGSSA
2012-03-2018:44 UTCm62611 889.78NAVD881VUSGSSA
2012-03-2018:44 UTCm7201934.36  1VUSGSSA
2012-10-1018:49 UTCm62610 881.95NGVD291VUSGSSA
2012-10-1018:49 UTCm62611 881.77NAVD881VUSGSSA
2012-10-1018:49 UTCm7201942.37  1VUSGSSA
2013-04-2415:21 UTCm62610 887.67NGVD291VUSGSSA
2013-04-2415:21 UTCm62611 887.49NAVD881VUSGSSA
2013-04-2415:21 UTCm7201936.65  1VUSGSSA
2013-10-2322:13 UTCm62610 884.51NGVD291VUSGSSA
2013-10-2322:13 UTCm62611 884.33NAVD881VUSGSSA
2013-10-2322:13 UTCm7201939.81  1VUSGSSA
2014-04-1516:18 UTCm62610 886.40NGVD291VUSGSSA
2014-04-1516:18 UTCm62611 886.22NAVD881VUSGSSA
2014-04-1516:18 UTCm7201937.92  1VUSGSSA
2014-10-0622:13 UTCm62610 887.13NGVD291VUSGSSA
2014-10-0622:13 UTCm62611 886.95NAVD881VUSGSSA
2014-10-0622:13 UTCm7201937.19  1VUSGSSA
2015-04-0621:45 UTCm62610 886.45NGVD291VUSGSSA
2015-04-0621:45 UTCm62611 886.27NAVD881VUSGSSA
2015-04-0621:45 UTCm7201937.87  1VUSGSSA
2015-10-0622:10 UTCm62610 887.21NGVD291VUSGSSA
2015-10-0622:10 UTCm62611 887.03NAVD881VUSGSSA
2015-10-0622:10 UTCm7201937.11  1VUSGSSA
2016-04-1320:37 UTCm62610 891.85NGVD291VUSGSSA
2016-04-1320:37 UTCm62611 891.67NAVD881VUSGSSA
2016-04-1320:37 UTCm7201932.47  1VUSGSSA
2016-11-2120:00 UTCm62610 884.67NGVD291VUSGSSA
2016-11-2120:00 UTCm62611 884.49NAVD881VUSGSSA
2016-11-2120:00 UTCm7201939.65  1VUSGSSA
2017-04-2521:46 UTCm62610 891.47NGVD291VUSGSSA
2017-04-2521:46 UTCm62611 891.29NAVD881VUSGSSA
2017-04-2521:46 UTCm7201932.85  1VUSGSSA
2017-05-1718:49 UTCm62610 892.02NGVD291VUSGSSA
2017-05-1718:49 UTCm62611 891.84NAVD881VUSGSSA
2017-05-1718:49 UTCm7201932.30  1VUSGSSA
2017-08-3117:22 UTCm62610 889.60NGVD291VUSGSSA
2017-08-3117:22 UTCm62611 889.42NAVD881VUSGSSA
2017-08-3117:22 UTCm7201934.72  1VUSGSSA
2017-11-1718:27 UTCm62610 887.37NGVD291VUSGSSA
2017-11-1718:27 UTCm62611 887.19NAVD881VUSGSSA
2017-11-1718:27 UTCm7201936.95  1VUSGSSA
2018-02-1317:54 UTCm62610 886.38NGVD291VUSGSSA
2018-02-1317:54 UTCm62611 886.20NAVD881VUSGSSA
2018-02-1317:54 UTCm7201937.94  1VUSGSSA
2018-05-2216:36 UTCm62610 888.53NGVD291VUSGSSA
2018-05-2216:36 UTCm62611 888.35NAVD881VUSGSSA
2018-05-2216:36 UTCm7201935.79  1VUSGSSA
2018-08-2817:40 UTCm62610 888.40NGVD291VUSGSSA
2018-08-2817:40 UTCm62611 888.22NAVD881VUSGSSA
2018-08-2817:40 UTCm7201935.92  1VUSGSSA
2018-11-0519:35 UTCm62610 891.57NGVD291VUSGSSA
2018-11-0519:35 UTCm62611 891.39NAVD881VUSGSSA
2018-11-0519:35 UTCm7201932.75  1VUSGSSA
2019-02-0817:57 UTCm62610 891.28NGVD291VUSGSSA
2019-02-0817:57 UTCm62611 891.10NAVD881VUSGSSA
2019-02-0817:57 UTCm7201933.04  1VUSGSSA
2019-06-1116:09 UTCm62610 893.19NGVD291VUSGSSA
2019-06-1116:09 UTCm62611 893.01NAVD881VUSGSSA
2019-06-1116:09 UTCm7201931.13  1VUSGSSA
2019-08-0620:59 UTCm62610 889.96NGVD291VUSGSSA
2019-08-0620:59 UTCm62611 889.78NAVD881VUSGSSA
2019-08-0620:59 UTCm7201934.36  1VUSGSSA
2019-11-2215:38 UTCm62610 892.22NGVD291VUSGSSA
2019-11-2215:38 UTCm62611 892.04NAVD881VUSGSSA
2019-11-2215:38 UTCm7201932.10  1VUSGSSA
2020-01-2816:23 UTCm62610 891.32NGVD291VUSGSSA
2020-01-2816:23 UTCm62611 891.14NAVD881VUSGSSA
2020-01-2816:23 UTCm7201933.00  1VUSGSSA
2020-02-0416:05 UTCm62610 890.86NGVD291VUSGSSA
2020-02-0416:05 UTCm62611 890.68NAVD881VUSGSSA
2020-02-0416:05 UTCm7201933.46  1VUSGSSA
2020-04-2117:49 UTCm62610 891.91NGVD291VUSGSSA
2020-04-2117:49 UTCm62611 891.73NAVD881VUSGSSA
2020-04-2117:49 UTCm7201932.41  1VUSGSSA
2020-07-1314:12 UTCm62610 891.34NGVD291VUSGSSA
2020-07-1314:12 UTCm62611 891.16NAVD881VUSGSSA
2020-07-1314:12 UTCm7201932.98  1VUSGSSA
2020-07-2817:24 UTCm62610 890.23NGVD291VUSGSSA
2020-07-2817:24 UTCm62611 890.05NAVD881VUSGSSA
2020-07-2817:24 UTCm7201934.09  1VUSGSSA
2020-11-2315:10 UTCm62610 886.23NGVD291VUSGSSA
2020-11-2315:10 UTCm62611 886.05NAVD881VUSGSSA
2020-11-2315:10 UTCm7201938.09  1VUSGSSA
2021-02-0916:25 UTCm62610 885.86NGVD291VUSGSSA
2021-02-0916:25 UTCm62611 885.68NAVD881VUSGSSA
2021-02-0916:25 UTCm7201938.46  1VUSGSSA
2021-05-0514:40 UTCm62610 887.67NGVD291VUSGSSA
2021-05-0514:40 UTCm62611 887.49NAVD881VUSGSSA
2021-05-0514:40 UTCm7201936.65  1VUSGSSA
2021-09-0816:59 UTCm62610 884.59NGVD291VUSGSSA
2021-09-0816:59 UTCm62611 884.41NAVD881VUSGSSA
2021-09-0816:59 UTCm7201939.73  1VUSGSSA
2021-11-1717:16 UTCm62610 884.10NGVD291VUSGSSA
2021-11-1717:16 UTCm62611 883.92NAVD881VUSGSSA
2021-11-1717:16 UTCm7201940.22  1VUSGSSA
2022-02-0717:02 UTCm62610 883.53NGVD291VUSGSSA
2022-02-0717:02 UTCm62611 883.35NAVD881VUSGSSA
2022-02-0717:02 UTCm7201940.79  1VUSGSSA
2022-06-1419:16 UTCm62610 888.63NGVD291VUSGSSA
2022-06-1419:16 UTCm62611 888.45NAVD881VUSGSSA
2022-06-1419:16 UTCm7201935.69  1VUSGSSA
2022-09-0716:50 UTCm62610 888.43NGVD291VUSGSSA
2022-09-0716:50 UTCm62611 888.25NAVD881VUSGSSA
2022-09-0716:50 UTCm7201935.89  1VUSGSSA
2022-12-2022:34 UTCm62610 886.48NGVD291VUSGSSA
2022-12-2022:34 UTCm62611 886.30NAVD881VUSGSSA
2022-12-2022:34 UTCm7201937.84  1VUSGSSA
2023-03-2217:08 UTCm62610 889.95NGVD291VUSGSSA
2023-03-2217:08 UTCm62611 889.77NAVD881VUSGSSA
2023-03-2217:08 UTCm7201934.37  1VUSGSSA
2023-06-3018:27 UTCm62610 888.51NGVD291VUSGSSA
2023-06-3018:27 UTCm62611 888.33NAVD881VUSGSSA
2023-06-3018:27 UTCm7201935.97  1VUSGSSA
2023-09-2820:10 UTCm62610 884.87NGVD291VUSGSSA
2023-09-2820:10 UTCm62611 884.69NAVD881VUSGSSA
2023-09-2820:10 UTCm7201939.61  1VUSGSSA
2024-01-1019:43 UTCm62610 886.14NGVD291VUSGSSA
2024-01-1019:43 UTCm62611 885.96NAVD881VUSGSSA
2024-01-1019:43 UTCm7201938.34  1VUSGSSA
2024-04-2218:31 UTCm62610 891.02NGVD291VUSGSSA
2024-04-2218:31 UTCm62611 890.84NAVD881VUSGSSA
2024-04-2218:31 UTCm7201933.46  1VUSGSSA
2024-08-1421:13 UTCm62610 890.52NGVD291VUSGSSA
2024-08-1421:13 UTCm62611 890.34NAVD881VUSGSSA
2024-08-1421:13 UTCm7201933.96  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 measurementSSteel-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.