USGS Nebraska Water Science Center

High Plains Water-Level Monitoring Study

Summary Statistics from Past USGS Reports 1987 to 2019

Available Summary Statistics

Area-weighted average water-level change:

Number of observation wells measured for water-level comparison periods

Annual or biannual area-weighted average water-level change, 1987 to 2019, in feet

Click on years in the "Time period" column to view reference.

Time periodState
ColoradoKansasNebraskaNew MexicoOklahomaSouth DakotaTexasWyomingHigh Plains
1987-880.10.10.10.20.8-0.10.8--0.3
1988-89-0.6-1.7-0.80.1-0.20.00.2-0.6-0.7
1989-90-0.6-0.2-0.6-0.3-0.3-0.6-1.2-0.9-0.6
1990-91-0.5-0.7-0.3-0.70.00.5-0.7-0.1-0.4
1991-92-0.2-1.1-0.5-0.3-0.40.1-0.60.1-0.6
1992-93-0.10.50.3-0.80.10.00.3-0.40.2
1993-94-0.10.61.8-0.30.10.4-1.00.10.6
1994-95-0.7-1.20.2-0.9-0.40.1-1.8-0.8-0.7
1995-96-0.1-0.5-0.1-1.2-1.00.7-1.40.3-0.5
1996-970.20.20.6-0.70.70.8-1.0-0.20.1
1997-98-0.30.1-0.1-0.80.0-0.1-0.50.2-0.2
1998-99-0.2-0.40.5-1.0-0.61.0-1.5-0.2-0.3
1999-00-0.2-0.3-0.1-0.1-0.20.1-0.5-0.1-0.2
2000-01-1.0-1.0-0.7-0.50.40.3-0.5-0.2-0.6
2001-02-0.6-0.8-0.5-0.7-0.3-0.2-0.8-0.3-0.6
2002-03-1.0-1.7-1.3-0.6-0.8-0.8-1.2-0.3-1.2
2003-04-0.5-1.1-0.9-0.9-0.1-0.3-0.9-0.6-0.8
2004-05-0.7-0.2-0.4-0.40.1-0.20.2-0.8-0.2
2005-06-1.0-0.5-0.1-0.3-0.50.2-0.6-0.4-0.4
2006-07-0.8-1.1-0.2-0.8-0.5-0.2-0.7-0.5-0.6
2007-08-1.4-0.20.4-0.7-0.50.0-0.1-0.5-0.1
2008-09-0.7-0.40.4-1.4-0.70.1-1.10.2-0.3
2009-110.3-1.10.8-0.3-0.60.2-1.20.2-0.1
2011-13-2.2-3.0-1.5-0.6-2.00.0-3.50.0-2.1
2013-15-0.2-1.20.0-0.1-1.30.0-1.50.0-0.6
2015-170.1-0.50.20.0-0.30.10.20.20.1
2017-19-0.10.10.7-0.1-0.10.2-0.70.00.1