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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 |
---|---|---|---|---|---|---|---|---|---|---|---|
1959-07-16 | D | 62610 |   | 53.17 | NGVD29 | 1 | L |   |   | A | |
1959-07-16 | D | 62611 |   | 52.39 | NAVD88 | 1 | L |   |   | A | |
1959-07-16 | D | 72019 | 74.44 |   |   | 1 | L |   |   | A | |
1979-03-21 | D | 62610 |   | 18.63 | NGVD29 | 1 | Z |   |   | A | |
1979-03-21 | D | 62611 |   | 17.85 | NAVD88 | 1 | Z |   |   | A | |
1979-03-21 | D | 72019 | 108.98 |   |   | 1 | Z |   |   | A | |
1979-09-11 | D | 62610 |   | 42.65 | NGVD29 | 1 | Z |   |   | A | |
1979-09-11 | D | 62611 |   | 41.87 | NAVD88 | 1 | Z |   |   | A | |
1979-09-11 | D | 72019 | 84.96 |   |   | 1 | Z |   |   | A | |
1980-03-17 | D | 62610 |   | 54.21 | NGVD29 | 1 | Z |   |   | A | |
1980-03-17 | D | 62611 |   | 53.43 | NAVD88 | 1 | Z |   |   | A | |
1980-03-17 | D | 72019 | 73.40 |   |   | 1 | Z |   |   | A | |
1980-08-18 | D | 62610 |   | 48.80 | NGVD29 | 1 | Z |   |   | A | |
1980-08-18 | D | 62611 |   | 48.02 | NAVD88 | 1 | Z |   |   | A | |
1980-08-18 | D | 72019 | 78.81 |   |   | 1 | Z |   |   | A | |
1981-04-01 | D | 62610 |   | 40.50 | NGVD29 | 1 | Z |   |   | A | |
1981-04-01 | D | 62611 |   | 39.72 | NAVD88 | 1 | Z |   |   | A | |
1981-04-01 | D | 72019 | 87.11 |   |   | 1 | Z |   |   | A | |
1981-09-15 | D | 62610 |   | 43.81 | NGVD29 | 1 | Z |   |   | A | |
1981-09-15 | D | 62611 |   | 43.03 | NAVD88 | 1 | Z |   |   | A | |
1981-09-15 | D | 72019 | 83.80 |   |   | 1 | Z |   |   | A | |
1982-04-07 | D | 62610 |   | 28.96 | NGVD29 | 1 | Z |   |   | A | |
1982-04-07 | D | 62611 |   | 28.18 | NAVD88 | 1 | Z |   |   | A | |
1982-04-07 | D | 72019 | 98.65 |   |   | 1 | Z |   |   | A | |
1982-09-02 | D | 62610 |   | 3.76 | NGVD29 | 1 | Z |   |   | A | |
1982-09-02 | D | 62611 |   | 2.98 | NAVD88 | 1 | Z |   |   | A | |
1982-09-02 | D | 72019 | 123.85 |   |   | 1 | Z |   |   | A | |
1983-04-13 | D | 62610 |   | 30.16 | NGVD29 | 1 | Z |   |   | A | |
1983-04-13 | D | 62611 |   | 29.38 | NAVD88 | 1 | Z |   |   | A | |
1983-04-13 | D | 72019 | 97.45 |   |   | 1 | Z |   |   | A | |
1983-09-01 | D | 62610 |   | 15.70 | NGVD29 | 1 | Z |   |   | A | |
1983-09-01 | D | 62611 |   | 14.92 | NAVD88 | 1 | Z |   |   | A | |
1983-09-01 | D | 72019 | 111.91 |   |   | 1 | Z |   |   | A | |
1984-04-10 | D | 62610 |   | 30.68 | NGVD29 | 1 | Z |   |   | A | |
1984-04-10 | D | 62611 |   | 29.90 | NAVD88 | 1 | Z |   |   | A | |
1984-04-10 | D | 72019 | 96.93 |   |   | 1 | Z |   |   | A | |
1984-09-21 | D | 62610 |   | 24.62 | NGVD29 | 1 | Z |   |   | A | |
1984-09-21 | D | 62611 |   | 23.84 | NAVD88 | 1 | Z |   |   | A | |
1984-09-21 | D | 72019 | 102.99 |   |   | 1 | Z |   |   | A | |
1985-03-29 | D | 62610 |   | 29.02 | NGVD29 | 1 | Z |   |   | A | |
1985-03-29 | D | 62611 |   | 28.24 | NAVD88 | 1 | Z |   |   | A | |
1985-03-29 | D | 72019 | 98.59 |   |   | 1 | Z |   |   | A | |
1985-09-24 | D | 62610 |   | 43.11 | NGVD29 | 1 | Z |   |   | A | |
1985-09-24 | D | 62611 |   | 42.33 | NAVD88 | 1 | Z |   |   | A | |
1985-09-24 | D | 72019 | 84.50 |   |   | 1 | Z |   |   | A | |
1986-04-15 | D | 62610 |   | 25.10 | NGVD29 | 1 | Z |   |   | A | |
1986-04-15 | D | 62611 |   | 24.32 | NAVD88 | 1 | Z |   |   | A | |
1986-04-15 | D | 72019 | 102.51 |   |   | 1 | Z |   |   | A | |
1986-09-09 | D | 62610 |   | 23.00 | NGVD29 | 1 | Z |   |   | A | |
1986-09-09 | D | 62611 |   | 22.22 | NAVD88 | 1 | Z |   |   | A | |
1986-09-09 | D | 72019 | 104.61 |   |   | 1 | Z |   |   | A | |
1987-04-06 | D | 62610 |   | 24.84 | NGVD29 | 1 | Z |   |   | A | |
1987-04-06 | D | 62611 |   | 24.06 | NAVD88 | 1 | Z |   |   | A | |
1987-04-06 | D | 72019 | 102.77 |   |   | 1 | Z |   |   | A | |
1987-09-17 | D | 62610 |   | 19.36 | NGVD29 | 1 | Z |   |   | A | |
1987-09-17 | D | 62611 |   | 18.58 | NAVD88 | 1 | Z |   |   | A | |
1987-09-17 | D | 72019 | 108.25 |   |   | 1 | Z |   |   | A | |
1988-04-27 | D | 62610 |   | 12.01 | NGVD29 | 1 | Z |   |   | A | |
1988-04-27 | D | 62611 |   | 11.23 | NAVD88 | 1 | Z |   |   | A | |
1988-04-27 | D | 72019 | 115.60 |   |   | 1 | Z |   |   | A | |
1988-09-09 | D | 62610 |   | 15.50 | NGVD29 | 1 | Z |   |   | A | |
1988-09-09 | D | 62611 |   | 14.72 | NAVD88 | 1 | Z |   |   | A | |
1988-09-09 | D | 72019 | 112.11 |   |   | 1 | Z |   |   | A | |
1989-04-14 | D | 62610 |   | 12.02 | NGVD29 | 1 | Z |   |   | A | |
1989-04-14 | D | 62611 |   | 11.24 | NAVD88 | 1 | Z |   |   | A | |
1989-04-14 | D | 72019 | 115.59 |   |   | 1 | Z |   |   | A | |
1989-09-28 | D | 62610 |   | 9.26 | NGVD29 | 1 | Z |   |   | A | |
1989-09-28 | D | 62611 |   | 8.48 | NAVD88 | 1 | Z |   |   | A | |
1989-09-28 | D | 72019 | 118.35 |   |   | 1 | Z |   |   | A | |
1990-04-12 | D | 62610 |   | 21.36 | NGVD29 | 1 | Z |   |   | A | |
1990-04-12 | D | 62611 |   | 20.58 | NAVD88 | 1 | Z |   |   | A | |
1990-04-12 | D | 72019 | 106.25 |   |   | 1 | Z |   |   | A | |
1990-09-21 | D | 62610 |   | 39.89 | NGVD29 | 1 | Z |   |   | A | |
1990-09-21 | D | 62611 |   | 39.11 | NAVD88 | 1 | Z |   |   | A | |
1990-09-21 | D | 72019 | 87.72 |   |   | 1 | Z |   |   | A | |
1991-04-18 | D | 62610 |   | 28.15 | NGVD29 | 1 | Z |   |   | A | |
1991-04-18 | D | 62611 |   | 27.37 | NAVD88 | 1 | Z |   |   | A | |
1991-04-18 | D | 72019 | 99.46 |   |   | 1 | Z |   |   | A | |
1991-09-06 | D | 62610 |   | 36.36 | NGVD29 | 1 | Z |   |   | A | |
1991-09-06 | D | 62611 |   | 35.58 | NAVD88 | 1 | Z |   |   | A | |
1991-09-06 | D | 72019 | 91.25 |   |   | 1 | Z |   |   | A | |
1992-04-17 | D | 62610 |   | 46.03 | NGVD29 | 1 | Z |   |   | A | |
1992-04-17 | D | 62611 |   | 45.25 | NAVD88 | 1 | Z |   |   | A | |
1992-04-17 | D | 72019 | 81.58 |   |   | 1 | Z |   |   | A | |
1992-09-09 | D | 62610 |   | 18.98 | NGVD29 | 1 | Z |   |   | A | |
1992-09-09 | D | 62611 |   | 18.20 | NAVD88 | 1 | Z |   |   | A | |
1992-09-09 | D | 72019 | 108.63 |   |   | 1 | Z |   |   | A | |
1993-04-15 | D | 62610 |   | 21.60 | NGVD29 | 1 | Z |   |   | A | |
1993-04-15 | D | 62611 |   | 20.82 | NAVD88 | 1 | Z |   |   | A | |
1993-04-15 | D | 72019 | 106.01 |   |   | 1 | Z |   |   | A | |
1993-09-22 | D | 62610 |   | 15.99 | NGVD29 | 1 | Z |   |   | A | |
1993-09-22 | D | 62611 |   | 15.21 | NAVD88 | 1 | Z |   |   | A | |
1993-09-22 | D | 72019 | 111.62 |   |   | 1 | Z |   |   | A | |
1994-04-26 | D | 62610 |   | 32.28 | NGVD29 | 1 | Z |   |   | A | |
1994-04-26 | D | 62611 |   | 31.50 | NAVD88 | 1 | Z |   |   | A | |
1994-04-26 | D | 72019 | 95.33 |   |   | 1 | Z |   |   | A | |
1994-09-23 | D | 62610 |   | 27.28 | NGVD29 | 1 | Z |   |   | A | |
1994-09-23 | D | 62611 |   | 26.50 | NAVD88 | 1 | Z |   |   | A | |
1994-09-23 | D | 72019 | 100.33 |   |   | 1 | Z |   |   | A | |
1995-05-12 | D | 62610 |   | 17.91 | NGVD29 | 1 | Z |   |   | A | |
1995-05-12 | D | 62611 |   | 17.13 | NAVD88 | 1 | Z |   |   | A | |
1995-05-12 | D | 72019 | 109.70 |   |   | 1 | Z |   |   | A | |
1995-09-22 | D | 62610 |   | 13.10 | NGVD29 | 1 | Z |   |   | A | |
1995-09-22 | D | 62611 |   | 12.32 | NAVD88 | 1 | Z |   |   | A | |
1995-09-22 | D | 72019 | 114.51 |   |   | 1 | Z |   |   | A | |
1996-04-23 | D | 62610 |   | 20.24 | NGVD29 | 1 | Z |   |   | A | |
1996-04-23 | D | 62611 |   | 19.46 | NAVD88 | 1 | Z |   |   | A | |
1996-04-23 | D | 72019 | 107.37 |   |   | 1 | Z |   |   | A | |
1996-10-01 | D | 62610 |   | 18.09 | NGVD29 | 1 | Z |   |   | A | |
1996-10-01 | D | 62611 |   | 17.31 | NAVD88 | 1 | Z |   |   | A | |
1996-10-01 | D | 72019 | 109.52 |   |   | 1 | Z |   |   | A | |
1997-04-08 | D | 62610 |   | 21.03 | NGVD29 | 1 | Z |   |   | A | |
1997-04-08 | D | 62611 |   | 20.25 | NAVD88 | 1 | Z |   |   | A | |
1997-04-08 | D | 72019 | 106.58 |   |   | 1 | Z |   |   | A | |
1997-09-16 | D | 62610 |   | 17.97 | NGVD29 | 1 | Z |   |   | A | |
1997-09-16 | D | 62611 |   | 17.19 | NAVD88 | 1 | Z |   |   | A | |
1997-09-16 | D | 72019 | 109.64 |   |   | 1 | Z |   |   | A | |
1998-04-15 | D | 62610 |   | 30.41 | NGVD29 | 1 | Z |   |   | A | |
1998-04-15 | D | 62611 |   | 29.63 | NAVD88 | 1 | Z |   |   | A | |
1998-04-15 | D | 72019 | 97.20 |   |   | 1 | Z |   |   | A | |
1998-09-10 | D | 62610 |   | 9.36 | NGVD29 | 1 | Z |   |   | A | |
1998-09-10 | D | 62611 |   | 8.58 | NAVD88 | 1 | Z |   |   | A | |
1998-09-10 | D | 72019 | 118.25 |   |   | 1 | Z |   |   | A | |
1999-04-23 | D | 62610 |   | 28.03 | NGVD29 | 1 | Z |   |   | A | |
1999-04-23 | D | 62611 |   | 27.25 | NAVD88 | 1 | Z |   |   | A | |
1999-04-23 | D | 72019 | 99.58 |   |   | 1 | Z |   |   | A | |
1999-09-10 | D | 62610 |   | 13.31 | NGVD29 | 1 | Z |   |   | A | |
1999-09-10 | D | 62611 |   | 12.53 | NAVD88 | 1 | Z |   |   | A | |
1999-09-10 | D | 72019 | 114.30 |   |   | 1 | Z |   |   | A | |
2000-04-13 | D | 62610 |   | 19.08 | NGVD29 | 1 | Z |   |   | A | |
2000-04-13 | D | 62611 |   | 18.30 | NAVD88 | 1 | Z |   |   | A | |
2000-04-13 | D | 72019 | 108.53 |   |   | 1 | Z |   |   | A | |
2000-09-08 | D | 62610 |   | 14.72 | NGVD29 | 1 | Z |   |   | A | |
2000-09-08 | D | 62611 |   | 13.94 | NAVD88 | 1 | Z |   |   | A | |
2000-09-08 | D | 72019 | 112.89 |   |   | 1 | Z |   |   | A | |
2001-04-24 | D | 62610 |   | 15.69 | NGVD29 | 1 | Z |   |   | A | |
2001-04-24 | D | 62611 |   | 14.91 | NAVD88 | 1 | Z |   |   | A | |
2001-04-24 | D | 72019 | 111.92 |   |   | 1 | Z |   |   | A | |
2001-09-21 | D | 62610 |   | 11.81 | NGVD29 | 1 | Z |   |   | A | |
2001-09-21 | D | 62611 |   | 11.03 | NAVD88 | 1 | Z |   |   | A | |
2001-09-21 | D | 72019 | 115.80 |   |   | 1 | Z |   |   | A | |
2002-09-19 | D | 62610 |   | 10.37 | NGVD29 | 1 | T | USGS | S | A | |
2002-09-19 | D | 62611 |   | 9.59 | NAVD88 | 1 | T | USGS | S | A | |
2002-09-19 | D | 72019 | 117.24 |   |   | 1 | T | USGS | S | A | |
2003-04-25 | D | 62610 |   | 17.04 | NGVD29 | 1 | T | USGS | S | A | |
2003-04-25 | D | 62611 |   | 16.26 | NAVD88 | 1 | T | USGS | S | A | |
2003-04-25 | D | 72019 | 110.57 |   |   | 1 | T | USGS | S | A | |
2003-09-16 | D | 62610 |   | 17.89 | NGVD29 | 1 | T | USGS | S | A | |
2003-09-16 | D | 62611 |   | 17.11 | NAVD88 | 1 | T | USGS | S | A | |
2003-09-16 | D | 72019 | 109.72 |   |   | 1 | T | USGS | S | A | |
2004-09-21 | D | 62610 |   | 16.38 | NGVD29 | 1 | T | USGS | S | A | |
2004-09-21 | D | 62611 |   | 15.60 | NAVD88 | 1 | T | USGS | S | A | |
2004-09-21 | D | 72019 | 111.23 |   |   | 1 | T | USGS | S | A | |
2005-09-13 | D | 62610 |   | 12.86 | NGVD29 | 1 | T | USGS | S | A | |
2005-09-13 | D | 62611 |   | 12.08 | NAVD88 | 1 | T | USGS | S | A | |
2005-09-13 | D | 72019 | 114.75 |   |   | 1 | T | USGS | S | A | |
2006-09-29 | D | 62610 |   | 13.33 | NGVD29 | 1 | T | USGS | S | A | |
2006-09-29 | D | 62611 |   | 12.55 | NAVD88 | 1 | T | USGS | S | A | |
2006-09-29 | D | 72019 | 114.28 |   |   | 1 | T | USGS | S | A | |
2007-09-14 | D | 62610 |   | 12.89 | NGVD29 | 1 | T | USGS | S | A | |
2007-09-14 | D | 62611 |   | 12.11 | NAVD88 | 1 | T | USGS | S | A | |
2007-09-14 | D | 72019 | 114.72 |   |   | 1 | T | USGS | S | A | |
2008-09-17 | D | 62610 |   | 9.59 | NGVD29 | 1 | T | USGS | S | A | |
2008-09-17 | D | 62611 |   | 8.81 | NAVD88 | 1 | T | USGS | S | A | |
2008-09-17 | D | 72019 | 118.02 |   |   | 1 | T | USGS | S | A | |
2009-09-24 | D | 62610 |   | 10.55 | NGVD29 | 1 | T | USGS | S | A | |
2009-09-24 | D | 62611 |   | 9.77 | NAVD88 | 1 | T | USGS | S | A | |
2009-09-24 | D | 72019 | 117.06 |   |   | 1 | T | USGS | S | A | |
2010-09-02 | 16:07 UTC | m | 62610 |   | 10.82 | NGVD29 | 1 | T | USGS | S | A |
2010-09-02 | 16:07 UTC | m | 62611 |   | 10.04 | NAVD88 | 1 | T | USGS | S | A |
2010-09-02 | 16:07 UTC | m | 72019 | 116.79 |   |   | 1 | T | USGS | S | A |
2011-09-09 | 12:44 UTC | m | 62610 |   | 3.54 | NGVD29 | 1 | T | USGS | S | A |
2011-09-09 | 12:44 UTC | m | 62611 |   | 2.76 | NAVD88 | 1 | T | USGS | S | A |
2011-09-09 | 12:44 UTC | m | 72019 | 124.07 |   |   | 1 | T | USGS | S | A |
2012-04-27 | 13:58 UTC | m | 62610 |   | 35.80 | NGVD29 | 1 | T | USGS | S | A |
2012-04-27 | 13:58 UTC | m | 62611 |   | 35.02 | NAVD88 | 1 | T | USGS | S | A |
2012-04-27 | 13:58 UTC | m | 72019 | 91.81 |   |   | 1 | T | USGS | S | A |
2012-09-06 | 11:09 UTC | m | 62610 |   | 27.21 | NGVD29 | 1 | T | USGS | S | A |
2012-09-06 | 11:09 UTC | m | 62611 |   | 26.43 | NAVD88 | 1 | T | USGS | S | A |
2012-09-06 | 11:09 UTC | m | 72019 | 100.40 |   |   | 1 | T | USGS | S | A |
2013-09-10 | 11:16 UTC | m | 62610 |   | 32.90 | NGVD29 | 1 | T | USGS | S | A |
2013-09-10 | 11:16 UTC | m | 62611 |   | 32.12 | NAVD88 | 1 | T | USGS | S | A |
2013-09-10 | 11:16 UTC | m | 72019 | 94.71 |   |   | 1 | T | USGS | S | A |
2014-09-05 | 11:31 UTC | m | 62610 |   | 25.32 | NGVD29 | 1 | T | USGS | S | A |
2014-09-05 | 11:31 UTC | m | 62611 |   | 24.54 | NAVD88 | 1 | T | USGS | S | A |
2014-09-05 | 11:31 UTC | m | 72019 | 102.29 |   |   | 1 | T | USGS | S | A |
2015-09-04 | 11:12 UTC | m | 62610 |   | 3.10 | NGVD29 | 1 | T | USGS | S | A |
2015-09-04 | 11:12 UTC | m | 62611 |   | 2.32 | NAVD88 | 1 | T | USGS | S | A |
2015-09-04 | 11:12 UTC | m | 72019 | 124.51 |   |   | 1 | T | USGS | S | A |
2016-10-06 | 12:59 UTC | m | 62610 |   | -3.69 | NGVD29 | 1 | T | USGS | S | A |
2016-10-06 | 12:59 UTC | m | 62611 |   | -4.47 | NAVD88 | 1 | T | USGS | S | A |
2016-10-06 | 12:59 UTC | m | 72019 | 131.30 |   |   | 1 | T | USGS | S | A |
2017-09-19 | 14:15 UTC | m | 62610 |   | 8.50 | NGVD29 | 1 | T | USGS | S | A |
2017-09-19 | 14:15 UTC | m | 62611 |   | 7.72 | NAVD88 | 1 | T | USGS | S | A |
2017-09-19 | 14:15 UTC | m | 72019 | 119.11 |   |   | 1 | T | USGS | S | A |
2018-09-06 | 14:00 UTC | m | 62610 |   | 32.93 | NGVD29 | 1 | T | USGS | S | A |
2018-09-06 | 14:00 UTC | m | 62611 |   | 32.15 | NAVD88 | 1 | T | USGS | S | A |
2018-09-06 | 14:00 UTC | m | 72019 | 94.68 |   |   | 1 | T | USGS | S | A |
2019-09-18 | 13:26 UTC | m | 62610 |   | 32.37 | NGVD29 | 1 | V | USGS | S | A |
2019-09-18 | 13:26 UTC | m | 62611 |   | 31.59 | NAVD88 | 1 | V | USGS | S | A |
2019-09-18 | 13:26 UTC | m | 72019 | 95.24 |   |   | 1 | V | USGS | S | A |
2020-09-03 | 15:23 UTC | m | 62610 |   | 31.95 | NGVD29 | 1 | V | USGS | S | A |
2020-09-03 | 15:23 UTC | m | 62611 |   | 31.17 | NAVD88 | 1 | V | USGS | S | A |
2020-09-03 | 15:23 UTC | m | 72019 | 95.66 |   |   | 1 | V | USGS | S | A |
2021-09-28 | 12:45 UTC | m | 62610 |   | 29.64 | NGVD29 | 1 | V | USGS | S | A |
2021-09-28 | 12:45 UTC | m | 62611 |   | 28.86 | NAVD88 | 1 | V | USGS | S | A |
2021-09-28 | 12:45 UTC | m | 72019 | 97.97 |   |   | 1 | V | USGS | S | A |
2022-09-20 | 12:52 UTC | m | 62610 |   | 33.39 | NGVD29 | 1 | V | USGS | S | A |
2022-09-20 | 12:52 UTC | m | 62611 |   | 32.61 | NAVD88 | 1 | V | USGS | S | A |
2022-09-20 | 12:52 UTC | m | 72019 | 94.22 |   |   | 1 | V | USGS | S | A |
2024-10-03 | 15:43 UTC | m | 62610 |   | 19.79 | NGVD29 | 1 | V | USGS | S | P |
2024-10-03 | 15:43 UTC | m | 62611 |   | 19.01 | NAVD88 | 1 | V | USGS | S | P |
2024-10-03 | 15:43 UTC | m | 72019 | 107.82 |   |   | 1 | V | USGS | S | P |
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 | T | Electric-tape measurement. |
Method of measurement | V | Calibrated electric-tape measurement. |
Method of measurement | Z | Other. |
Measuring agency | Not determined | |
Measuring agency | USGS | U.S. Geological Survey |
Source of measurement | Not determined | |
Source of measurement | S | Measured by personnel of reporting agency. |
Water-level approval status | A | Approved for publication -- Processing and review completed. |
Water-level approval status | P | Provisional data subject to revision. |