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Groundwater levels for the Nation
Agency code = | usgs |
---|---|
site_no list = |
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Minimum number of levels = | 1 |
Table of data |
Tab-separated data |
Graph of data |
Reselect period |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
2009-02-25 | 22:25 UTC | m | 62610 |   | 834.87 | NGVD29 | 1 | S | IL050 | A | A |
2009-02-25 | 22:25 UTC | m | 62611 |   | 834.63 | NAVD88 | 1 | S | IL050 | A | A |
2009-02-25 | 22:25 UTC | m | 72019 | 9.52 |   |   | 1 | S | IL050 | A | A |
2010-01-19 | 18:36 UTC | m | 62610 |   | 833.89 | NGVD29 | 1 | V | USGS | S | A |
2010-01-19 | 18:36 UTC | m | 62611 |   | 833.65 | NAVD88 | 1 | V | USGS | S | A |
2010-01-19 | 18:36 UTC | m | 72019 | 10.50 |   |   | 1 | V | USGS | S | A |
2010-04-27 | 19:26 UTC | m | 62610 |   | 835.50 | NGVD29 | 1 | V | USGS | S | A |
2010-04-27 | 19:26 UTC | m | 62611 |   | 835.26 | NAVD88 | 1 | V | USGS | S | A |
2010-04-27 | 19:26 UTC | m | 72019 | 8.89 |   |   | 1 | V | USGS | S | A |
2010-08-25 | 16:05 UTC | m | 62610 |   | 834.31 | NGVD29 | 1 | V | USGS | S | A |
2010-08-25 | 16:05 UTC | m | 62611 |   | 834.07 | NAVD88 | 1 | V | USGS | S | A |
2010-08-25 | 16:05 UTC | m | 72019 | 10.08 |   |   | 1 | V | USGS | S | A |
2010-11-02 | 16:24 UTC | m | 62610 |   | 830.77 | NGVD29 | 1 | V | USGS | S | A |
2010-11-02 | 16:24 UTC | m | 62611 |   | 830.53 | NAVD88 | 1 | V | USGS | S | A |
2010-11-02 | 16:24 UTC | m | 72019 | 13.62 |   |   | 1 | V | USGS | S | A |
2010-11-02 | 18:39 UTC | m | 62610 |   | 830.62 | NGVD29 | 1 | V | USGS | S | A |
2010-11-02 | 18:39 UTC | m | 62611 |   | 830.38 | NAVD88 | 1 | V | USGS | S | A |
2010-11-02 | 18:39 UTC | m | 72019 | 13.77 |   |   | 1 | V | USGS | S | A |
2011-02-24 | 19:58 UTC | m | 62610 |   | 829.30 | NGVD29 | 1 | V | USGS | S | A |
2011-02-24 | 19:58 UTC | m | 62611 |   | 829.06 | NAVD88 | 1 | V | USGS | S | A |
2011-02-24 | 19:58 UTC | m | 72019 | 15.09 |   |   | 1 | V | USGS | S | A |
2011-05-26 | 16:35 UTC | m | 62610 |   | 834.85 | NGVD29 | 1 | V | USGS | S | A |
2011-05-26 | 16:35 UTC | m | 62611 |   | 834.61 | NAVD88 | 1 | V | USGS | S | A |
2011-05-26 | 16:35 UTC | m | 72019 | 9.54 |   |   | 1 | V | USGS | S | A |
2011-08-01 | 21:59 UTC | m | 62610 |   | 834.29 | NGVD29 | 1 | V | USGS | S | A |
2011-08-01 | 21:59 UTC | m | 62611 |   | 834.05 | NAVD88 | 1 | V | USGS | S | A |
2011-08-01 | 21:59 UTC | m | 72019 | 10.10 |   |   | 1 | V | USGS | S | A |
2011-10-12 | 23:17 UTC | m | 62610 |   | 832.79 | NGVD29 | 1 | V | USGS | S | A |
2011-10-12 | 23:17 UTC | m | 62611 |   | 832.55 | NAVD88 | 1 | V | USGS | S | A |
2011-10-12 | 23:17 UTC | m | 72019 | 11.60 |   |   | 1 | V | USGS | S | A |
2012-03-07 | 21:45 UTC | m | 62610 |   | 832.34 | NGVD29 | 1 | V | USGS | S | A |
2012-03-07 | 21:45 UTC | m | 62611 |   | 832.10 | NAVD88 | 1 | V | USGS | S | A |
2012-03-07 | 21:45 UTC | m | 72019 | 12.05 |   |   | 1 | V | USGS | S | A |
2012-08-28 | 17:46 UTC | m | 62610 |   | 828.13 | NGVD29 | 1 | V | USGS | S | A |
2012-08-28 | 17:46 UTC | m | 62611 |   | 827.89 | NAVD88 | 1 | V | USGS | S | A |
2012-08-28 | 17:46 UTC | m | 72019 | 16.26 |   |   | 1 | V | USGS | S | A |
2012-10-11 | 19:43 UTC | m | 62610 |   | 827.36 | NGVD29 | 1 | V | USGS | S | A |
2012-10-11 | 19:43 UTC | m | 62611 |   | 827.12 | NAVD88 | 1 | V | USGS | S | A |
2012-10-11 | 19:43 UTC | m | 72019 | 17.03 |   |   | 1 | V | USGS | S | A |
2013-04-24 | 22:15 UTC | m | 62610 |   | 833.92 | NGVD29 | 1 | V | USGS | S | A |
2013-04-24 | 22:15 UTC | m | 62611 |   | 833.68 | NAVD88 | 1 | V | USGS | S | A |
2013-04-24 | 22:15 UTC | m | 72019 | 10.47 |   |   | 1 | V | USGS | S | A |
2013-07-11 | 16:41 UTC | m | 62610 |   | 835.19 | NGVD29 | 1 | V | USGS | S | A |
2013-07-11 | 16:41 UTC | m | 62611 |   | 834.95 | NAVD88 | 1 | V | USGS | S | A |
2013-07-11 | 16:41 UTC | m | 72019 | 9.20 |   |   | 1 | V | USGS | S | A |
2013-10-23 | 18:31 UTC | m | 62610 |   | 829.69 | NGVD29 | 1 | V | USGS | S | A |
2013-10-23 | 18:31 UTC | m | 62611 |   | 829.45 | NAVD88 | 1 | V | USGS | S | A |
2013-10-23 | 18:31 UTC | m | 72019 | 14.70 |   |   | 1 | V | USGS | S | A |
2014-04-15 | 20:12 UTC | m | 62610 |   | 831.50 | NGVD29 | 1 | V | USGS | S | A |
2014-04-15 | 20:12 UTC | m | 62611 |   | 831.26 | NAVD88 | 1 | V | USGS | S | A |
2014-04-15 | 20:12 UTC | m | 72019 | 12.89 |   |   | 1 | V | USGS | S | A |
2014-10-06 | 19:33 UTC | m | 62610 |   | 832.90 | NGVD29 | 1 | V | USGS | S | A |
2014-10-06 | 19:33 UTC | m | 62611 |   | 832.66 | NAVD88 | 1 | V | USGS | S | A |
2014-10-06 | 19:33 UTC | m | 72019 | 11.49 |   |   | 1 | V | USGS | S | A |
2014-10-14 | 18:16 UTC | m | 62610 |   | 832.57 | NGVD29 | 1 | V | USGS | S | A |
2014-10-14 | 18:16 UTC | m | 62611 |   | 832.33 | NAVD88 | 1 | V | USGS | S | A |
2014-10-14 | 18:16 UTC | m | 72019 | 11.82 |   |   | 1 | V | USGS | S | A |
2014-12-04 | 15:33 UTC | m | 62610 |   | 830.75 | NGVD29 | 1 | V | USGS | S | A |
2014-12-04 | 15:33 UTC | m | 62611 |   | 830.51 | NAVD88 | 1 | V | USGS | S | A |
2014-12-04 | 15:33 UTC | m | 72019 | 13.64 |   |   | 1 | V | USGS | S | A |
2015-04-02 | 14:02 UTC | m | 62610 |   | 830.10 | NGVD29 | 1 | V | USGS | S | A |
2015-04-02 | 14:02 UTC | m | 62611 |   | 829.86 | NAVD88 | 1 | V | USGS | S | A |
2015-04-02 | 14:02 UTC | m | 72019 | 14.29 |   |   | 1 | V | USGS | S | A |
2015-04-14 | 13:46 UTC | m | 62610 |   | 830.74 | NGVD29 | 1 | V | USGS | S | A |
2015-04-14 | 13:46 UTC | m | 62611 |   | 830.50 | NAVD88 | 1 | V | USGS | S | A |
2015-04-14 | 13:46 UTC | m | 72019 | 13.65 |   |   | 1 | V | USGS | S | A |
2015-06-02 | 18:26 UTC | m | 62610 |   | 831.49 | NGVD29 | 1 | V | USGS | S | A |
2015-06-02 | 18:26 UTC | m | 62611 |   | 831.25 | NAVD88 | 1 | V | USGS | S | A |
2015-06-02 | 18:26 UTC | m | 72019 | 12.90 |   |   | 1 | V | USGS | S | A |
2015-10-07 | 13:36 UTC | m | 62610 |   | 832.31 | NGVD29 | 1 | V | USGS | S | A |
2015-10-07 | 13:36 UTC | m | 62611 |   | 832.07 | NAVD88 | 1 | V | USGS | S | A |
2015-10-07 | 13:36 UTC | m | 72019 | 12.08 |   |   | 1 | V | USGS | S | A |
2016-04-14 | 15:47 UTC | m | 62610 |   | 837.16 | NGVD29 | 1 | V | USGS | S | A |
2016-04-14 | 15:47 UTC | m | 62611 |   | 836.92 | NAVD88 | 1 | V | USGS | S | A |
2016-04-14 | 15:47 UTC | m | 72019 | 7.23 |   |   | 1 | V | USGS | S | A |
2016-12-01 | 17:36 UTC | m | 62610 |   | 829.55 | NGVD29 | 1 | V | USGS | S | A |
2016-12-01 | 17:36 UTC | m | 62611 |   | 829.31 | NAVD88 | 1 | V | USGS | S | A |
2016-12-01 | 17:36 UTC | m | 72019 | 14.84 |   |   | 1 | V | USGS | S | A |
2017-04-25 | 17:00 UTC | m | 62610 |   | 836.64 | NGVD29 | 1 | V | USGS | S | A |
2017-04-25 | 17:00 UTC | m | 62611 |   | 836.40 | NAVD88 | 1 | V | USGS | S | A |
2017-04-25 | 17:00 UTC | m | 72019 | 7.75 |   |   | 1 | V | USGS | S | A |
2017-08-28 | 17:13 UTC | m | 62610 |   | 836.86 | NGVD29 | 1 | V | USGS | S | A |
2017-08-28 | 17:13 UTC | m | 62611 |   | 836.62 | NAVD88 | 1 | V | USGS | S | A |
2017-08-28 | 17:13 UTC | m | 72019 | 7.53 |   |   | 1 | V | USGS | S | A |
2017-11-13 | 17:19 UTC | m | 62610 |   | 831.55 | NGVD29 | 1 | V | USGS | S | A |
2017-11-13 | 17:19 UTC | m | 62611 |   | 831.31 | NAVD88 | 1 | V | USGS | S | A |
2017-11-13 | 17:19 UTC | m | 72019 | 12.84 |   |   | 1 | V | USGS | S | A |
2018-01-10 | 17:31 UTC | m | 62610 |   | 829.42 | NGVD29 | 1 | V | USGS | S | A |
2018-01-10 | 17:31 UTC | m | 62611 |   | 829.18 | NAVD88 | 1 | V | USGS | S | A |
2018-01-10 | 17:31 UTC | m | 72019 | 14.97 |   |   | 1 | V | USGS | S | A |
2018-02-14 | 16:08 UTC | m | 62610 |   | 829.17 | NGVD29 | 1 | V | USGS | S | A |
2018-02-14 | 16:08 UTC | m | 62611 |   | 828.93 | NAVD88 | 1 | V | USGS | S | A |
2018-02-14 | 16:08 UTC | m | 72019 | 15.22 |   |   | 1 | V | USGS | S | A |
2018-03-12 | 16:29 UTC | m | 62610 |   | 830.50 | NGVD29 | 1 | V | USGS | S | A |
2018-03-12 | 16:29 UTC | m | 62611 |   | 830.26 | NAVD88 | 1 | V | USGS | S | A |
2018-03-12 | 16:29 UTC | m | 72019 | 13.89 |   |   | 1 | V | USGS | S | A |
2018-03-28 | 17:47 UTC | m | 62610 |   | 830.03 | NGVD29 | 1 | V | USGS | S | A |
2018-03-28 | 17:47 UTC | m | 62611 |   | 829.79 | NAVD88 | 1 | V | USGS | S | A |
2018-03-28 | 17:47 UTC | m | 72019 | 14.36 |   |   | 1 | V | USGS | S | A |
2018-04-06 | 19:58 UTC | m | 62610 |   | 829.68 | NGVD29 | 1 | V | USGS | S | A |
2018-04-06 | 19:58 UTC | m | 62611 |   | 829.44 | NAVD88 | 1 | V | USGS | S | A |
2018-04-06 | 19:58 UTC | m | 72019 | 14.71 |   |   | 1 | V | USGS | S | A |
2018-04-09 | 18:41 UTC | m | 62610 |   | 829.52 | NGVD29 | 1 | V | USGS | S | A |
2018-04-09 | 18:41 UTC | m | 62611 |   | 829.28 | NAVD88 | 1 | V | USGS | S | A |
2018-04-09 | 18:41 UTC | m | 72019 | 14.87 |   |   | 1 | V | USGS | S | A |
2018-05-07 | 14:46 UTC | m | 62610 |   | 830.78 | NGVD29 | 1 | V | USGS | S | A |
2018-05-07 | 14:46 UTC | m | 62611 |   | 830.54 | NAVD88 | 1 | V | USGS | S | A |
2018-05-07 | 14:46 UTC | m | 72019 | 13.61 |   |   | 1 | V | USGS | S | A |
2018-08-15 | 18:50 UTC | m | 62610 |   | 832.36 | NGVD29 | 1 | V | USGS | S | A |
2018-08-15 | 18:50 UTC | m | 62611 |   | 832.12 | NAVD88 | 1 | V | USGS | S | A |
2018-08-15 | 18:50 UTC | m | 72019 | 12.03 |   |   | 1 | V | USGS | S | A |
2018-11-14 | 17:16 UTC | m | 62610 |   | 828.80 | NGVD29 | 1 | V | USGS | S | A |
2018-11-14 | 17:16 UTC | m | 62611 |   | 828.56 | NAVD88 | 1 | V | USGS | S | A |
2018-11-14 | 17:16 UTC | m | 72019 | 15.59 |   |   | 1 | V | USGS | S | A |
2019-02-21 | 16:41 UTC | m | 62610 |   | 830.46 | NGVD29 | 1 | V | USGS | S | A |
2019-02-21 | 16:41 UTC | m | 62611 |   | 830.22 | NAVD88 | 1 | V | USGS | S | A |
2019-02-21 | 16:41 UTC | m | 72019 | 13.93 |   |   | 1 | V | USGS | S | A |
2019-05-07 | 18:07 UTC | m | 62610 |   | 831.11 | NGVD29 | 1 | V | USGS | S | A |
2019-05-07 | 18:07 UTC | m | 62611 |   | 830.87 | NAVD88 | 1 | V | USGS | S | A |
2019-05-07 | 18:07 UTC | m | 72019 | 13.28 |   |   | 1 | V | USGS | S | A |
2019-08-07 | 14:32 UTC | m | 62610 |   | 832.57 | NGVD29 | 1 | V | USGS | S | A |
2019-08-07 | 14:32 UTC | m | 62611 |   | 832.33 | NAVD88 | 1 | V | USGS | S | A |
2019-08-07 | 14:32 UTC | m | 72019 | 11.82 |   |   | 1 | V | USGS | S | A |
2019-11-19 | 16:33 UTC | m | 62610 |   | 838.12 | NGVD29 | 1 | V | USGS | S | A |
2019-11-19 | 16:33 UTC | m | 62611 |   | 837.88 | NAVD88 | 1 | V | USGS | S | A |
2019-11-19 | 16:33 UTC | m | 72019 | 6.27 |   |   | 1 | V | USGS | S | A |
2020-02-28 | 14:59 UTC | m | 62610 |   | 834.88 | NGVD29 | 1 | V | USGS | S | A |
2020-02-28 | 14:59 UTC | m | 62611 |   | 834.64 | NAVD88 | 1 | V | USGS | S | A |
2020-02-28 | 14:59 UTC | m | 72019 | 9.51 |   |   | 1 | V | USGS | S | A |
2020-04-24 | 18:12 UTC | m | 62610 |   | 837.97 | NGVD29 | 1 | V | USGS | S | A |
2020-04-24 | 18:12 UTC | m | 62611 |   | 837.73 | NAVD88 | 1 | V | USGS | S | A |
2020-04-24 | 18:12 UTC | m | 72019 | 6.42 |   |   | 1 | V | USGS | S | A |
2020-07-08 | 14:26 UTC | m | 62610 |   | 838.30 | NGVD29 | 1 | V | USGS | S | A |
2020-07-08 | 14:26 UTC | m | 62611 |   | 838.06 | NAVD88 | 1 | V | USGS | S | A |
2020-07-08 | 14:26 UTC | m | 72019 | 6.09 |   |   | 1 | V | USGS | S | A |
2020-08-27 | 16:42 UTC | m | 62610 |   | 835.95 | NGVD29 | 1 | V | USGS | S | A |
2020-08-27 | 16:42 UTC | m | 62611 |   | 835.71 | NAVD88 | 1 | V | USGS | S | A |
2020-08-27 | 16:42 UTC | m | 72019 | 8.44 |   |   | 1 | V | USGS | S | A |
2020-12-15 | 17:37 UTC | m | 62610 |   | 831.65 | NGVD29 | 1 | V | USGS | S | A |
2020-12-15 | 17:37 UTC | m | 62611 |   | 831.41 | NAVD88 | 1 | V | USGS | S | A |
2020-12-15 | 17:37 UTC | m | 72019 | 12.74 |   |   | 1 | V | USGS | S | A |
2021-02-09 | 17:18 UTC | m | 62610 |   | 830.83 | NGVD29 | 1 | V | USGS | S | A |
2021-02-09 | 17:18 UTC | m | 62611 |   | 830.59 | NAVD88 | 1 | V | USGS | S | A |
2021-02-09 | 17:18 UTC | m | 72019 | 13.56 |   |   | 1 | V | USGS | S | A |
2021-05-05 | 18:46 UTC | m | 62610 |   | 832.47 | NGVD29 | 1 | V | USGS | S | A |
2021-05-05 | 18:46 UTC | m | 62611 |   | 832.23 | NAVD88 | 1 | V | USGS | S | A |
2021-05-05 | 18:46 UTC | m | 72019 | 11.92 |   |   | 1 | V | USGS | S | A |
2021-08-27 | 14:48 UTC | m | 62610 |   | 828.49 | NGVD29 | 1 | V | USGS | S | A |
2021-08-27 | 14:48 UTC | m | 62611 |   | 828.25 | NAVD88 | 1 | V | USGS | S | A |
2021-08-27 | 14:48 UTC | m | 72019 | 15.90 |   |   | 1 | V | USGS | S | A |
2021-11-17 | 20:32 UTC | m | 62610 |   | 827.99 | NGVD29 | 1 | V | USGS | S | A |
2021-11-17 | 20:32 UTC | m | 62611 |   | 827.75 | NAVD88 | 1 | V | USGS | S | A |
2021-11-17 | 20:32 UTC | m | 72019 | 16.40 |   |   | 1 | V | USGS | S | A |
2022-02-09 | 19:02 UTC | m | 62610 |   | 827.21 | NGVD29 | 1 | V | USGS | S | A |
2022-02-09 | 19:02 UTC | m | 62611 |   | 826.97 | NAVD88 | 1 | V | USGS | S | A |
2022-02-09 | 19:02 UTC | m | 72019 | 17.18 |   |   | 1 | V | USGS | S | A |
2022-04-25 | 21:20 UTC | m | 62610 |   | 829.25 | NGVD29 | 1 | V | USGS | S | A |
2022-04-25 | 21:20 UTC | m | 62611 |   | 829.01 | NAVD88 | 1 | V | USGS | S | A |
2022-04-25 | 21:20 UTC | m | 72019 | 15.14 |   |   | 1 | V | USGS | S | A |
2022-04-26 | 22:18 UTC | m | 62610 |   | 829.29 | NGVD29 | 1 | V | USGS | S | A |
2022-04-26 | 22:18 UTC | m | 62611 |   | 829.05 | NAVD88 | 1 | V | USGS | S | A |
2022-04-26 | 22:18 UTC | m | 72019 | 15.10 |   |   | 1 | V | USGS | S | A |
2022-05-24 | 18:00 UTC | m | 62610 |   | 831.84 | NGVD29 | 1 | V | USGS | S | A |
2022-05-24 | 18:00 UTC | m | 62611 |   | 831.60 | NAVD88 | 1 | V | USGS | S | A |
2022-05-24 | 18:00 UTC | m | 72019 | 12.55 |   |   | 1 | V | USGS | S | A |
2022-09-19 | 18:30 UTC | m | 62610 |   | 829.33 | NGVD29 | 1 | V | USGS | S | A |
2022-09-19 | 18:30 UTC | m | 62611 |   | 829.09 | NAVD88 | 1 | V | USGS | S | A |
2022-09-19 | 18:30 UTC | m | 72019 | 15.06 |   |   | 1 | V | USGS | S | A |
2023-01-12 | 19:33 UTC | m | 62610 |   | 828.64 | NGVD29 | 1 | V | USGS | S | A |
2023-01-12 | 19:33 UTC | m | 62611 |   | 828.40 | NAVD88 | 1 | V | USGS | S | A |
2023-01-12 | 19:33 UTC | m | 72019 | 15.75 |   |   | 1 | V | USGS | S | A |
2023-04-19 | 20:05 UTC | m | 62610 |   | 836.08 | NGVD29 | 1 | V | USGS | S | A |
2023-04-19 | 20:05 UTC | m | 62611 |   | 835.84 | NAVD88 | 1 | V | USGS | S | A |
2023-04-19 | 20:05 UTC | m | 72019 | 8.31 |   |   | 1 | V | USGS | S | A |
2023-08-01 | 19:36 UTC | m | 62610 |   | 830.31 | NGVD29 | 1 | V | USGS | S | A |
2023-08-01 | 19:36 UTC | m | 62611 |   | 830.07 | NAVD88 | 1 | V | USGS | S | A |
2023-08-01 | 19:36 UTC | m | 72019 | 14.29 |   |   | 1 | V | USGS | S | A |
2023-11-16 | 20:05 UTC | m | 62610 |   | 828.96 | NGVD29 | 1 | V | USGS | S | A |
2023-11-16 | 20:05 UTC | m | 62611 |   | 828.72 | NAVD88 | 1 | V | USGS | S | A |
2023-11-16 | 20:05 UTC | m | 72019 | 15.64 |   |   | 1 | V | USGS | S | A |
2024-02-14 | 21:15 UTC | m | 62610 |   | 831.04 | NGVD29 | 1 | V | USGS | S | A |
2024-02-14 | 21:15 UTC | m | 62611 |   | 830.80 | NAVD88 | 1 | V | USGS | S | A |
2024-02-14 | 21:15 UTC | m | 72019 | 13.56 |   |   | 1 | V | USGS | S | A |
2024-05-22 | 18:11 UTC | m | 62610 |   | 836.02 | NGVD29 | 1 | V | USGS | S | A |
2024-05-22 | 18:11 UTC | m | 62611 |   | 835.78 | NAVD88 | 1 | V | USGS | S | A |
2024-05-22 | 18:11 UTC | m | 72019 | 8.58 |   |   | 1 | V | USGS | S | A |
2024-09-03 | 19:42 UTC | m | 62610 |   | 834.21 | NGVD29 | 1 | V | USGS | S | A |
2024-09-03 | 19:42 UTC | m | 62611 |   | 833.97 | NAVD88 | 1 | V | USGS | S | A |
2024-09-03 | 19:42 UTC | m | 72019 | 10.39 |   |   | 1 | V | USGS | S | A |
Section | Code | Description |
---|---|---|
Water-level date-time accuracy | m | Date is accurate to the Minute |
Parameter code | 62610 | Groundwater level above NGVD 1929, feet |
Parameter code | 62611 | Groundwater level above NAVD 1988, feet |
Parameter code | 72019 | Depth to water level, feet below land surface |
Referenced vertical datum | NAVD88 | North American Vertical Datum of 1988 |
Referenced vertical datum | NGVD29 | National Geodetic Vertical Datum of 1929 |
Status | 1 | Static |
Method of measurement | S | Steel-tape measurement. |
Method of measurement | V | Calibrated electric-tape measurement. |
Measuring agency | IL050 | AECOM, Inc, IL |
Measuring agency | USGS | U.S. Geological Survey |
Source of measurement | A | Reported by another government agency (do not use "A" if reported by owner, use "O"). |
Source of measurement | S | Measured by personnel of reporting agency. |
Water-level approval status | A | Approved for publication -- Processing and review completed. |