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Groundwater levels for the Nation

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Agency code = usgs
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  • 385159075502205
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USGS 385159075502205 CO Dc 156

Caroline County, Maryland
Latitude  38°51'59", Longitude  75°50'22" NAD83
Land-surface elevation 20 feet above NAVD88
The depth of the well is 81 feet below land surface.
The depth of the hole is 81 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Calvert Formation (122CLVR) local aquifer.
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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
2010-08-1118:13 UTCm62610 6.36NGVD291TMD006AA
2010-08-1118:13 UTCm62611 5.58NAVD881TMD006AA
2010-08-1118:13 UTCm7201914.42  1TMD006AA
2010-09-1019:32 UTCm62610 7.80NGVD291TMD006AA
2010-09-1019:32 UTCm62611 7.02NAVD881TMD006AA
2010-09-1019:32 UTCm7201912.98  1TMD006AA
2010-10-1317:50 UTCm62610 8.39NGVD291TMD006AA
2010-10-1317:50 UTCm62611 7.61NAVD881TMD006AA
2010-10-1317:50 UTCm7201912.39  1TMD006AA
2010-10-1823:58 UTCm62610 8.35NGVD291TMD006AA
2010-10-1823:58 UTCm62611 7.57NAVD881TMD006AA
2010-10-1823:58 UTCm7201912.43  1TMD006AA
2010-10-2216:27 UTCm62610 8.24NGVD291TMD006AA
2010-10-2216:27 UTCm62611 7.46NAVD881TMD006AA
2010-10-2216:27 UTCm7201912.54  1TMD006AA
2010-12-1616:25 UTCm62610 8.18NGVD291TMD006AA
2010-12-1616:25 UTCm62611 7.40NAVD881TMD006AA
2010-12-1616:25 UTCm7201912.60  1TMD006AA
2011-01-2018:26 UTCm62610 8.10NGVD291TMD006AA
2011-01-2018:26 UTCm62611 7.32NAVD881TMD006AA
2011-01-2018:26 UTCm7201912.68  1TMD006AA
2011-02-1518:29 UTCm62610 8.08NGVD291TMD006AA
2011-02-1518:29 UTCm62611 7.30NAVD881TMD006AA
2011-02-1518:29 UTCm7201912.70  1TMD006AA
2011-03-2919:18 UTCm62610 8.84NGVD291TMD006AA
2011-03-2919:18 UTCm62611 8.06NAVD881TMD006AA
2011-03-2919:18 UTCm7201911.94  1TMD006AA
2011-04-2516:45 UTCm62610 9.28NGVD291TMD006AA
2011-04-2516:45 UTCm62611 8.50NAVD881TMD006AA
2011-04-2516:45 UTCm7201911.50  1TMD006AA
2011-05-2616:09 UTCm62610 9.32NGVD291TMD006AA
2011-05-2616:09 UTCm62611 8.54NAVD881TMD006AA
2011-05-2616:09 UTCm7201911.46  1TMD006AA
2011-06-3016:53 UTCm62610 8.46NGVD291TMD006AA
2011-06-3016:53 UTCm62611 7.68NAVD881TMD006AA
2011-06-3016:53 UTCm7201912.32  1TMD006AA
2011-07-2717:10 UTCm62610 8.00NGVD291TMD006AA
2011-07-2717:10 UTCm62611 7.22NAVD881TMD006AA
2011-07-2717:10 UTCm7201912.78  1TMD006AA
2011-08-3118:01 UTCm62610 8.92NGVD291TMD006AA
2011-08-3118:01 UTCm62611 8.14NAVD881TMD006AA
2011-08-3118:01 UTCm7201911.86  1TMD006AA
2011-09-3016:19 UTCm62610 9.36NGVD291TMD006AA
2011-09-3016:19 UTCm62611 8.58NAVD881TMD006AA
2011-09-3016:19 UTCm7201911.42  1TMD006AA
2011-10-3117:17 UTCm62610 9.13NGVD291TMD006AA
2011-10-3117:17 UTCm62611 8.35NAVD881TMD006AA
2011-10-3117:17 UTCm7201911.65  1TMD006AA
2011-11-3017:52 UTCm62610 9.34NGVD291TMD006AA
2011-11-3017:52 UTCm62611 8.56NAVD881TMD006AA
2011-11-3017:52 UTCm7201911.44  1TMD006AA
2011-12-2917:56 UTCm62610 9.08NGVD291TMD006AA
2011-12-2917:56 UTCm62611 8.30NAVD881TMD006AA
2011-12-2917:56 UTCm7201911.70  1TMD006AA
2012-04-1222:39 UTCm62610 8.81NGVD291TMD006AA
2012-04-1222:39 UTCm62611 8.03NAVD881TMD006AA
2012-04-1222:39 UTCm7201911.97  1TMD006AA
2012-07-2519:06 UTCm62610 7.87NGVD291TMD006AA
2012-07-2519:06 UTCm62611 7.09NAVD881TMD006AA
2012-07-2519:06 UTCm7201912.91  1TMD006AA
2012-09-2018:34 UTCm62610 7.67NGVD291TMD006AA
2012-09-2018:34 UTCm62611 6.89NAVD881TMD006AA
2012-09-2018:34 UTCm7201913.11  1TMD006AA
2013-04-1720:43 UTCm62610 9.22NGVD291TUSGSSA
2013-04-1720:43 UTCm62611 8.44NAVD881TUSGSSA
2013-04-1720:43 UTCm7201911.56  1TUSGSSA
2013-09-2320:13 UTCm62610 8.63NGVD291TMD006AA
2013-09-2320:13 UTCm62611 7.85NAVD881TMD006AA
2013-09-2320:13 UTCm7201912.15  1TMD006AA
2014-04-2818:51 UTCm62610 9.48NGVD291TMD006AA
2014-04-2818:51 UTCm62611 8.70NAVD881TMD006AA
2014-04-2818:51 UTCm7201911.30  1TMD006AA
2014-09-1917:54 UTCm62610 8.40NGVD291TMD006AA
2014-09-1917:54 UTCm62611 7.62NAVD881TMD006AA
2014-09-1917:54 UTCm7201912.38  1TMD006AA
2015-04-1318:07 UTCm62610 9.33NGVD291TMD006AA
2015-04-1318:07 UTCm62611 8.55NAVD881TMD006AA
2015-04-1318:07 UTCm7201911.45  1TMD006AA
2015-09-2818:29 UTCm62610 8.31NGVD291TMD006AA
2015-09-2818:29 UTCm62611 7.53NAVD881TMD006AA
2015-09-2818:29 UTCm7201912.47  1TMD006AA
2016-09-2318:35 UTCm62610 9.01NGVD291TMD006AA
2016-09-2318:35 UTCm62611 8.23NAVD881TMD006AA
2016-09-2318:35 UTCm7201911.77  1TMD006AA
2017-09-2217:25 UTCm62610 9.47NGVD291TMD006AA
2017-09-2217:25 UTCm62611 8.69NAVD881TMD006AA
2017-09-2217:25 UTCm7201911.31  1TMD006AA
2018-09-0614:07 UTCm62610 9.24NGVD291TMD006AA
2018-09-0614:07 UTCm62611 8.46NAVD881TMD006AA
2018-09-0614:07 UTCm7201911.54  1TMD006AA
2019-09-2513:23 UTCm62610 8.69NGVD291TMD006AA
2019-09-2513:23 UTCm62611 7.91NAVD881TMD006AA
2019-09-2513:23 UTCm7201912.09  1TMD006AA
2020-09-2513:08 UTCm62610 9.50NGVD291VMD006AA
2020-09-2513:08 UTCm62611 8.72NAVD881VMD006AA
2020-09-2513:08 UTCm7201911.28  1VMD006AA
2021-09-1513:45 UTCm62610 8.72NGVD291VMD006AA
2021-09-1513:45 UTCm62611 7.94NAVD881VMD006AA
2021-09-1513:45 UTCm7201912.06  1VMD006AA
2022-09-2613:30 UTCm62610 8.27NGVD291VMD006AA
2022-09-2613:30 UTCm62611 7.49NAVD881VMD006AA
2022-09-2613:30 UTCm7201912.51  1VMD006AA
2023-10-0213:41 UTCm62610 8.53NGVD291VMD006AA
2023-10-0213:41 UTCm62611 7.75NAVD881VMD006AA
2023-10-0213:41 UTCm7201912.25  1VMD006AA
2024-09-2714:05 UTCm62610 8.53NGVD291VMD006AP
2024-09-2714:05 UTCm62611 7.75NAVD881VMD006AP
2024-09-2714:05 UTCm7201912.25  1VMD006AP

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 agencyMD006Maryland Geological Survey
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.
Water-level approval statusPProvisional data subject to revision.