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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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  • 415546121205401
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USGS 415546121205401 47.00N/05.00E-12F01M

Modoc County, California
Latitude  41°55'45.5", Longitude 121°20'58.2" NAD83
Land-surface elevation 4,039.50 feet above NAVD88
The depth of the well is 313 feet below land surface.
The depth of the hole is 313 feet below land surface.
This well is completed in the Pacific Northwest basin-fill aquifers (N100PCFNWB) national aquifer.
This well is completed in the Lacustrine Deposits, Older (112LCSRO) local aquifer.
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2001-06-2719:10 UTCm62610 4034.62NGVD291SUSGSSA
2001-06-2719:10 UTCm62611 4038.17NAVD881SUSGSSA
2001-06-2719:10 UTCm720195.38  1SUSGSSA
2001-07-2617:37 UTCm62610 4034.69NGVD291SUSGSSA
2001-07-2617:37 UTCm62611 4038.24NAVD881SUSGSSA
2001-07-2617:37 UTCm720195.31  1SUSGSSA
2001-08-2115:39 UTCm62610 4036.96NGVD291VUSGSSA
2001-08-2115:39 UTCm62611 4040.51NAVD881VUSGSSA
2001-08-2115:39 UTCm720193.04  1VUSGSSA
2001-10-2418:05 UTCm62610 4034.52NGVD291SUSGSSA
2001-10-2418:05 UTCm62611 4038.07NAVD881SUSGSSA
2001-10-2418:05 UTCm720195.48  1SUSGSSA
2001-11-0921:48 UTCm62610 4034.73NGVD291SUSGSSA
2001-11-0921:48 UTCm62611 4038.28NAVD881SUSGSSA
2001-11-0921:48 UTCm720195.27  1SUSGSSA
2002-01-0822:18 UTCm62610 4034.91NGVD291SUSGSSA
2002-01-0822:18 UTCm62611 4038.46NAVD881SUSGSSA
2002-01-0822:18 UTCm720195.09  1SUSGSSA
2002-04-0300:11 UTCm62610 4034.33NGVD291SUSGSSA
2002-04-0300:11 UTCm62611 4037.88NAVD881SUSGSSA
2002-04-0300:11 UTCm720195.67  1SUSGSSA
2002-07-0923:42 UTCm62610 4036.11NGVD291SUSGSSA
2002-07-0923:42 UTCm62611 4039.66NAVD881SUSGSSA
2002-07-0923:42 UTCm720193.89  1SUSGSSA
2002-08-2620:04 UTCm62610 4035.84NGVD291SUSGSSA
2002-08-2620:04 UTCm62611 4039.39NAVD881SUSGSSA
2002-08-2620:04 UTCm720194.16  1SUSGSSA
2002-10-1017:19 UTCm62610 4036.36NGVD291SUSGSSA
2002-10-1017:19 UTCm62611 4039.91NAVD881SUSGSSA
2002-10-1017:19 UTCm720193.64  1SUSGSSA
2003-01-1018:44 UTCm62610 4034.16NGVD291SUSGSSA
2003-01-1018:44 UTCm62611 4037.71NAVD881SUSGSSA
2003-01-1018:44 UTCm720195.84  1SUSGSSA
2003-04-1622:10 UTCm62610 4034.87NGVD291SUSGSSA
2003-04-1622:10 UTCm62611 4038.42NAVD881SUSGSSA
2003-04-1622:10 UTCm720195.13  1SUSGSSA
2003-07-0823:40 UTCm62610 4036.02NGVD291SUSGSSA
2003-07-0823:40 UTCm62611 4039.57NAVD881SUSGSSA
2003-07-0823:40 UTCm720193.98  1SUSGSSA
2003-10-1623:03 UTCm62610 4034.27NGVD291SUSGSSA
2003-10-1623:03 UTCm62611 4037.82NAVD881SUSGSSA
2003-10-1623:03 UTCm720195.73  1SUSGSSA
2004-01-0622:46 UTCm62610 4033.20NGVD291SUSGSSA
2004-01-0622:46 UTCm62611 4036.75NAVD881SUSGSSA
2004-01-0622:46 UTCm720196.80  1SUSGSSA
2004-04-2723:22 UTCm62610 4035.53NGVD291SUSGSSA
2004-04-2723:22 UTCm62611 4039.08NAVD881SUSGSSA
2004-04-2723:22 UTCm720194.47  1SUSGSSA
2004-07-0800:33 UTCm62610 4035.79NGVD291SUSGSSA
2004-07-0800:33 UTCm62611 4039.34NAVD881SUSGSSA
2004-07-0800:33 UTCm720194.21  1SUSGSSA
2004-10-1323:21 UTCm62610 4035.30NGVD291SUSGSSA
2004-10-1323:21 UTCm62611 4038.85NAVD881SUSGSSA
2004-10-1323:21 UTCm720194.70  1SUSGSSA
2005-01-0423:06 UTCm62610 4033.57NGVD291SUSGSSA
2005-01-0423:06 UTCm62611 4037.12NAVD881SUSGSSA
2005-01-0423:06 UTCm720196.43  1SUSGSSA
2005-03-2922:10 UTCm62610 4033.55NGVD291SUSGSSA
2005-03-2922:10 UTCm62611 4037.10NAVD881SUSGSSA
2005-03-2922:10 UTCm720196.45  1SUSGSSA
2005-07-1221:24 UTCm62610 4036.14NGVD291SUSGSSA
2005-07-1221:24 UTCm62611 4039.69NAVD881SUSGSSA
2005-07-1221:24 UTCm720193.86  1SUSGSSA
2005-10-0422:01 UTCm62610 4034.59NGVD291SUSGSSA
2005-10-0422:01 UTCm62611 4038.14NAVD881SUSGSSA
2005-10-0422:01 UTCm720195.41  1SUSGSSA
2006-01-1021:53 UTCm62610 4034.44NGVD291SUSGSSA
2006-01-1021:53 UTCm62611 4037.99NAVD881SUSGSSA
2006-01-1021:53 UTCm720195.56  1SUSGSSA
2006-04-0421:12 UTCm62610 4033.71NGVD291SUSGSSA
2006-04-0421:12 UTCm62611 4037.26NAVD881SUSGSSA
2006-04-0421:12 UTCm720196.29  1SUSGSSA
2006-07-1120:49 UTCm62610 4035.62NGVD291SUSGSSA
2006-07-1120:49 UTCm62611 4039.17NAVD881SUSGSSA
2006-07-1120:49 UTCm720194.38  1SUSGSSA
2006-10-1719:59 UTCm62610 4033.99NGVD291SUSGSSA
2006-10-1719:59 UTCm62611 4037.54NAVD881SUSGSSA
2006-10-1719:59 UTCm720196.01  1SUSGSSA
2007-01-0921:31 UTCm62610 4033.10NGVD291SUSGSSA
2007-01-0921:31 UTCm62611 4036.65NAVD881SUSGSSA
2007-01-0921:31 UTCm720196.90  1SUSGSSA
2007-04-0319:52 UTCm62610 4033.45NGVD291SUSGSSA
2007-04-0319:52 UTCm62611 4037.00NAVD881SUSGSSA
2007-04-0319:52 UTCm720196.55  1SUSGSSA
2007-07-1020:24 UTCm62610 4035.89NGVD291SUSGSSA
2007-07-1020:24 UTCm62611 4039.44NAVD881SUSGSSA
2007-07-1020:24 UTCm720194.11  1SUSGSSA
2007-10-0220:38 UTCm62610 4034.23NGVD291SUSGSSA
2007-10-0220:38 UTCm62611 4037.78NAVD881SUSGSSA
2007-10-0220:38 UTCm720195.77  1SUSGSSA
2008-01-0822:16 UTCm62610 4033.18NGVD291SUSGSSA
2008-01-0822:16 UTCm62611 4036.73NAVD881SUSGSSA
2008-01-0822:16 UTCm720196.82  1SUSGSSA
2008-04-0120:44 UTCm62610 4033.33NGVD291SUSGSSA
2008-04-0120:44 UTCm62611 4036.88NAVD881SUSGSSA
2008-04-0120:44 UTCm720196.67  1SUSGSSA
2008-07-0820:34 UTCm62610 4036.15NGVD291SUSGSSA
2008-07-0820:34 UTCm62611 4039.70NAVD881SUSGSSA
2008-07-0820:34 UTCm720193.85  1SUSGSSA
2008-10-0720:06 UTCm62610 4035.62NGVD291SUSGSSA
2008-10-0720:06 UTCm62611 4039.17NAVD881SUSGSSA
2008-10-0720:06 UTCm720194.38  1SUSGSSA
2009-01-0621:04 UTCm62610 4033.01NGVD291SUSGSSA
2009-01-0621:04 UTCm62611 4036.56NAVD881SUSGSSA
2009-01-0621:04 UTCm720196.99  1SUSGSSA
2009-04-0220:02 UTCm62610 4033.47NGVD291SUSGSSA
2009-04-0220:02 UTCm62611 4037.02NAVD881SUSGSSA
2009-04-0220:02 UTCm720196.53  1SUSGSSA
2009-07-0820:34 UTCm62610 4035.61NGVD291SUSGSSA
2009-07-0820:34 UTCm62611 4039.16NAVD881SUSGSSA
2009-07-0820:34 UTCm720194.39  1SUSGSSA
2009-10-0620:31 UTCm62610 4034.44NGVD291SUSGSSA
2009-10-0620:31 UTCm62611 4037.99NAVD881SUSGSSA
2009-10-0620:31 UTCm720195.56  1SUSGSSA
2010-01-1221:19 UTCm62610 4033.19NGVD291SUSGSSA
2010-01-1221:19 UTCm62611 4036.74NAVD881SUSGSSA
2010-01-1221:19 UTCm720196.81  1SUSGSSA
2010-04-0620:27 UTCm62610 4032.58NGVD291SUSGSSA
2010-04-0620:27 UTCm62611 4036.13NAVD881SUSGSSA
2010-04-0620:27 UTCm720197.42  1SUSGSSA
2010-07-1421:07 UTCm62610 4035.05NGVD291SUSGSSA
2010-07-1421:07 UTCm62611 4038.60NAVD881SUSGSSA
2010-07-1421:07 UTCm720194.95  1SUSGSSA
2010-10-0520:13 UTCm62610 4033.85NGVD291SUSGSSA
2010-10-0520:13 UTCm62611 4037.40NAVD881SUSGSSA
2010-10-0520:13 UTCm720196.15  1SUSGSSA
2011-01-1121:50 UTCm62610 4032.95NGVD291SUSGSSA
2011-01-1121:50 UTCm62611 4036.50NAVD881SUSGSSA
2011-01-1121:50 UTCm720197.05  1SUSGSSA
2011-04-0521:47 UTCm62610 4033.08NGVD291SUSGSSA
2011-04-0521:47 UTCm62611 4036.63NAVD881SUSGSSA
2011-04-0521:47 UTCm720196.92  1SUSGSSA
2011-07-1221:51 UTCm62610 4035.73NGVD291SUSGSSA
2011-07-1221:51 UTCm62611 4039.28NAVD881SUSGSSA
2011-07-1221:51 UTCm720194.27  1SUSGSSA
2011-10-0421:24 UTCm62610 4034.05NGVD291SUSGSSA
2011-10-0421:24 UTCm62611 4037.60NAVD881SUSGSSA
2011-10-0421:24 UTCm720195.95  1SUSGSSA
2012-01-1021:26 UTCm62610 4032.70NGVD291SUSGSSA
2012-01-1021:26 UTCm62611 4036.25NAVD881SUSGSSA
2012-01-1021:26 UTCm720197.30  1SUSGSSA
2012-04-0322:05 UTCm62610 4032.51NGVD291SUSGSSA
2012-04-0322:05 UTCm62611 4036.06NAVD881SUSGSSA
2012-04-0322:05 UTCm720197.49  1SUSGSSA
2012-07-0622:39 UTCm62610 4035.00NGVD291SUSGSSA
2012-07-0622:39 UTCm62611 4038.55NAVD881SUSGSSA
2012-07-0622:39 UTCm720195.00  1SUSGSSA
2012-10-0222:44 UTCm62610 4034.67NGVD291SUSGSSA
2012-10-0222:44 UTCm62611 4038.22NAVD881SUSGSSA
2012-10-0222:44 UTCm720195.33  1SUSGSSA
2013-01-0822:24 UTCm62610 4033.02NGVD291SUSGSSA
2013-01-0822:24 UTCm62611 4036.57NAVD881SUSGSSA
2013-01-0822:24 UTCm720196.98  1SUSGSSA
2013-03-2816:20 UTCm62610 4032.40NGVD291SUSGSSA
2013-03-2816:20 UTCm62611 4035.95NAVD881SUSGSSA
2013-03-2816:20 UTCm720197.60  1SUSGSSA
2013-07-0916:57 UTCm62610 4035.92NGVD291SUSGSSA
2013-07-0916:57 UTCm62611 4039.47NAVD881SUSGSSA
2013-07-0916:57 UTCm720194.08  1SUSGSSA
2013-10-2216:53 UTCm62610 4033.50NGVD291SUSGSSA
2013-10-2216:53 UTCm62611 4037.05NAVD881SUSGSSA
2013-10-2216:53 UTCm720196.50  1SUSGSSA
2014-01-0817:43 UTCm62610 4032.74NGVD291SUSGSSA
2014-01-0817:43 UTCm62611 4036.29NAVD881SUSGSSA
2014-01-0817:43 UTCm720197.26  1SUSGSSA
2014-04-0716:23 UTCm62610 4033.16NGVD291SUSGSSA
2014-04-0716:23 UTCm62611 4036.71NAVD881SUSGSSA
2014-04-0716:23 UTCm720196.84  1SUSGSSA
2014-07-0915:41 UTCm62610 4035.50NGVD291SUSGSSA
2014-07-0915:41 UTCm62611 4039.05NAVD881SUSGSSA
2014-07-0915:41 UTCm720194.50  1SUSGSSA
2014-10-0216:22 UTCm62610 4033.38NGVD291SUSGSSA
2014-10-0216:22 UTCm62611 4036.93NAVD881SUSGSSA
2014-10-0216:22 UTCm720196.62  1SUSGSSA
2015-01-0717:08 UTCm62610 4032.93NGVD291SUSGSSA
2015-01-0717:08 UTCm62611 4036.48NAVD881SUSGSSA
2015-01-0717:08 UTCm720197.07  1SUSGSSA
2015-04-0216:12 UTCm62610 4032.40NGVD291SUSGSSA
2015-04-0216:12 UTCm62611 4035.95NAVD881SUSGSSA
2015-04-0216:12 UTCm720197.60  1SUSGSSA
2015-07-0816:22 UTCm62610 4034.79NGVD291SUSGSSA
2015-07-0816:22 UTCm62611 4038.34NAVD881SUSGSSA
2015-07-0816:22 UTCm720195.21  1SUSGSSA
2015-10-0716:01 UTCm62610 4034.01NGVD291SUSGSSA
2015-10-0716:01 UTCm62611 4037.56NAVD881SUSGSSA
2015-10-0716:01 UTCm720195.99  1SUSGSSA
2016-01-0617:37 UTCm62610 4033.72NGVD291SUSGSSA
2016-01-0617:37 UTCm62611 4037.27NAVD881SUSGSSA
2016-01-0617:37 UTCm720196.28  1SUSGSSA
2016-04-0616:25 UTCm62610 4033.24NGVD291SUSGSSA
2016-04-0616:25 UTCm62611 4036.79NAVD881SUSGSSA
2016-04-0616:25 UTCm720196.76  1SUSGSSA
2016-07-0718:07 UTCm62610 4036.12NGVD291SUSGSSA
2016-07-0718:07 UTCm62611 4039.67NAVD881SUSGSSA
2016-07-0718:07 UTCm720193.88  1SUSGSSA
2016-10-0600:10 UTCm62610 4034.59NGVD291SUSGSSA
2016-10-0600:10 UTCm62611 4038.14NAVD881SUSGSSA
2016-10-0600:10 UTCm720195.41  1SUSGSSA
2017-01-1217:56 UTCm62610 4032.70NGVD291SUSGSSA
2017-01-1217:56 UTCm62611 4036.25NAVD881SUSGSSA
2017-01-1217:56 UTCm720197.30  1SUSGSSA
2017-04-0516:33 UTCm62610 4032.53NGVD291SUSGSSA
2017-04-0516:33 UTCm62611 4036.08NAVD881SUSGSSA
2017-04-0516:33 UTCm720197.47  1SUSGSSA
2017-07-1117:08 UTCm62610 4035.95NGVD291SUSGSSA
2017-07-1117:08 UTCm62611 4039.50NAVD881SUSGSSA
2017-07-1117:08 UTCm720194.05  1SUSGSSA
2017-10-0321:58 UTCm62610 4034.72NGVD291SUSGSSA
2017-10-0321:58 UTCm62611 4038.27NAVD881SUSGSSA
2017-10-0321:58 UTCm720195.28  1SUSGSSA
2018-01-0921:47 UTCm62610 4032.62NGVD291SUSGSSA
2018-01-0921:47 UTCm62611 4036.17NAVD881SUSGSSA
2018-01-0921:47 UTCm720197.38  1SUSGSSA
2018-04-0320:42 UTCm62610 4033.20NGVD291SUSGSSA
2018-04-0320:42 UTCm62611 4036.75NAVD881SUSGSSA
2018-04-0320:42 UTCm720196.80  1SUSGSSA
2018-07-1022:12 UTCm62610 4035.50NGVD291SUSGSSA
2018-07-1022:12 UTCm62611 4039.05NAVD881SUSGSSA
2018-07-1022:12 UTCm720194.50  1SUSGSSA
2018-10-0220:56 UTCm62610 4034.44NGVD291SUSGSSA
2018-10-0220:56 UTCm62611 4037.99NAVD881SUSGSSA
2018-10-0220:56 UTCm720195.56  1SUSGSSA
2019-01-2921:56 UTCm62610 4033.32NGVD291SUSGSSA
2019-01-2921:56 UTCm62611 4036.87NAVD881SUSGSSA
2019-01-2921:56 UTCm720196.68  1SUSGSSA
2019-04-0221:56 UTCm62610 4033.56NGVD291SUSGSSA
2019-04-0221:56 UTCm62611 4037.11NAVD881SUSGSSA
2019-04-0221:56 UTCm720196.44  1SUSGSSA
2019-07-0922:23 UTCm62610 4036.20NGVD291SUSGSSA
2019-07-0922:23 UTCm62611 4039.75NAVD881SUSGSSA
2019-07-0922:23 UTCm720193.80  1SUSGSSA
2019-10-0822:16 UTCm62610 4034.10NGVD291SUSGSSA
2019-10-0822:16 UTCm62611 4037.65NAVD881SUSGSSA
2019-10-0822:16 UTCm720195.90  1SUSGSSA
2020-01-0722:08 UTCm62610 4033.63NGVD291SUSGSSA
2020-01-0722:08 UTCm62611 4037.18NAVD881SUSGSSA
2020-01-0722:08 UTCm720196.37  1SUSGSSA
2020-07-0720:56 UTCm62610 4035.23NGVD291SUSGSSA
2020-07-0720:56 UTCm62611 4038.78NAVD881SUSGSSA
2020-07-0720:56 UTCm720194.77  1SUSGSSA
2020-10-0620:54 UTCm62610 4034.67NGVD291SUSGSSA
2020-10-0620:54 UTCm62611 4038.22NAVD881SUSGSSA
2020-10-0620:54 UTCm720195.33  1SUSGSSA
2021-01-0617:17 UTCm62610 4032.18NGVD291SUSGSSA
2021-01-0617:17 UTCm62611 4035.73NAVD881SUSGSSA
2021-01-0617:17 UTCm720197.82  1SUSGSSA
2021-04-0919:16 UTCm62610 4030.58NGVD291SUSGSSA
2021-04-0919:16 UTCm62611 4034.13NAVD881SUSGSSA
2021-04-0919:16 UTCm720199.42  1SUSGSSA
2021-07-1319:08 UTCm62610 4033.43NGVD291SUSGSSA
2021-07-1319:08 UTCm62611 4036.98NAVD881SUSGSSA
2021-07-1319:08 UTCm720196.57  1SUSGSSA
2021-10-0519:14 UTCm62610 4032.75NGVD291SUSGSSA
2021-10-0519:14 UTCm62611 4036.30NAVD881SUSGSSA
2021-10-0519:14 UTCm720197.25  1SUSGSSA
2022-01-1120:46 UTCm62610 4031.25NGVD291SUSGSSA
2022-01-1120:46 UTCm62611 4034.80NAVD881SUSGSSA
2022-01-1120:46 UTCm720198.75  1SUSGSSA
2022-04-0520:18 UTCm62610 4030.84NGVD291SUSGSSA
2022-04-0520:18 UTCm62611 4034.39NAVD881SUSGSSA
2022-04-0520:18 UTCm720199.16  1SUSGSSA
2022-07-1219:07 UTCm62610 4033.97NGVD291SUSGSSA
2022-07-1219:07 UTCm62611 4037.52NAVD881SUSGSSA
2022-07-1219:07 UTCm720196.03  1SUSGSSA
2022-10-1819:19 UTCm62610 4028.50NGVD291SUSGSSA
2022-10-1819:19 UTCm62611 4032.05NAVD881SUSGSSA
2022-10-1819:19 UTCm720197.45  1SUSGSSA
2023-01-1021:09 UTCm62610 4027.40NGVD291SUSGSSA
2023-01-1021:09 UTCm62611 4030.95NAVD881SUSGSSA
2023-01-1021:09 UTCm720198.55  1SUSGSSA
2023-04-0720:00 UTCm62610 4028.36NGVD291SUSGSSA
2023-04-0720:00 UTCm62611 4031.91NAVD881SUSGSSA
2023-04-0720:00 UTCm720197.59  1SUSGSSA
2023-07-1121:11 UTCm62610 4031.25NGVD291SUSGSSA
2023-07-1121:11 UTCm62611 4034.80NAVD881SUSGSSA
2023-07-1121:11 UTCm720194.70  1SUSGSSA
2023-10-0319:15 UTCm62610 4030.64NGVD291SUSGSSA
2023-10-0319:15 UTCm62611 4034.19NAVD881SUSGSSA
2023-10-0319:15 UTCm720195.31  1SUSGSSA
2024-01-2320:30 UTCm62610 4028.67NGVD291SUSGSSA
2024-01-2320:30 UTCm62611 4032.22NAVD881SUSGSSA
2024-01-2320:30 UTCm720197.28  1SUSGSSA
2024-04-0319:07 UTCm62610 4028.60NGVD291SUSGSSP
2024-04-0319:07 UTCm62611 4032.15NAVD881SUSGSSP
2024-04-0319:07 UTCm720197.35  1SUSGSSP
2024-07-0920:07 UTCm62610 4031.06NGVD291SUSGSSP
2024-07-0920:07 UTCm62611 4034.61NAVD881SUSGSSP
2024-07-0920:07 UTCm720194.89  1SUSGSSP
2024-10-0819:26 UTCm62610 4029.84NGVD291SUSGSSP
2024-10-0819:26 UTCm62611 4033.39NAVD881SUSGSSP
2024-10-0819:26 UTCm720196.11  1SUSGSSP

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 agencyUSGSU.S. Geological Survey
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.