Texas
N.M.
Colo.
Okla.
Kan.
Wyo.
S.D.
Neb.
12.5% remaining
25% remaining
50% remaining
75% remaining
90% remaining
750 feet deep
500 feet
250 feet
100 feet
Wells exhausted over time:
1995
1997
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
Total water level change by well
Original water levels