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Groundwater levels for the Nation
Agency code = | usgs |
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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 |
---|---|---|---|---|---|---|---|---|---|---|---|
1978-07-14 | D | 62610 |   | 0.00 | NGVD29 | 1 | L |   |   | A | |
1978-07-14 | D | 62611 |   | -0.80 | NAVD88 | 1 | L |   |   | A | |
1978-07-14 | D | 72019 | 25.00 |   |   | 1 | L |   |   | A | |
1991-04-26 | D | 62610 |   | -0.40 | NGVD29 | 1 | Z |   |   | A | |
1991-04-26 | D | 62611 |   | -1.20 | NAVD88 | 1 | Z |   |   | A | |
1991-04-26 | D | 72019 | 25.40 |   |   | 1 | Z |   |   | A | |
1991-10-22 | D | 62610 |   | -1.37 | NGVD29 | 1 | Z |   |   | A | |
1991-10-22 | D | 62611 |   | -2.17 | NAVD88 | 1 | Z |   |   | A | |
1991-10-22 | D | 72019 | 26.37 |   |   | 1 | Z |   |   | A | |
1992-04-21 | D | 62610 |   | -0.65 | NGVD29 | 1 | Z |   |   | A | |
1992-04-21 | D | 62611 |   | -1.45 | NAVD88 | 1 | Z |   |   | A | |
1992-04-21 | D | 72019 | 25.65 |   |   | 1 | Z |   |   | A | |
1997-10-30 | D | 62610 |   | -1.92 | NGVD29 | 1 | S |   |   | A | |
1997-10-30 | D | 62611 |   | -2.72 | NAVD88 | 1 | S |   |   | A | |
1997-10-30 | D | 72019 | 26.92 |   |   | 1 | S |   |   | A | |
2012-04-10 | 14:05 UTC | m | 62610 |   | -0.81 | NGVD29 | 1 | S | MD006 | A | A |
2012-04-10 | 14:05 UTC | m | 62611 |   | -1.61 | NAVD88 | 1 | S | MD006 | A | A |
2012-04-10 | 14:05 UTC | m | 72019 | 25.81 |   |   | 1 | S | MD006 | A | A |
2012-09-19 | 17:45 UTC | m | 62610 |   | -1.81 | NGVD29 | 1 | S | MD006 | A | A |
2012-09-19 | 17:45 UTC | m | 62611 |   | -2.61 | NAVD88 | 1 | S | MD006 | A | A |
2012-09-19 | 17:45 UTC | m | 72019 | 26.81 |   |   | 1 | S | MD006 | A | A |
2013-04-18 | 14:45 UTC | m | 62610 |   | -0.84 | NGVD29 | 1 | S | USGS | S | A |
2013-04-18 | 14:45 UTC | m | 62611 |   | -1.64 | NAVD88 | 1 | S | USGS | S | A |
2013-04-18 | 14:45 UTC | m | 72019 | 25.84 |   |   | 1 | S | USGS | S | A |
Section | Code | Description |
---|---|---|
Water-level date-time accuracy | D | Date is accurate to the Day |
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 | L | Interpreted from geophysical logs. |
Method of measurement | S | Steel-tape measurement. |
Method of measurement | Z | Other. |
Measuring agency | Not determined | |
Measuring agency | MD006 | Maryland Geological Survey |
Measuring agency | USGS | U.S. Geological Survey |
Source of measurement | Not determined | |
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. |