Región	Número de presas	Año	Almacenamiento
I. Península de Baja California	1.00	1990	3.03
		1991	23.17
		1992	13.97
		1993	131.64
		1994	90.07
		1995	94.84
		1996	19.27
		1997	9.20
		1998	88.45
		1999	15.81
		2000	13.86
		2001	11.04
		2002	15.05
		2003	11.48
		2004	16.35
		2005	50.02
		2006	28.47
		2007	17.86
		2008	13.73
		2009	8.38
		2010	17.15
II. Noroeste	8.00	1990	94.71
		1991	98.82
		1992	78.96
		1993	88.54
		1994	79.56
		1995	61.98
		1996	51.49
		1997	41.61
		1998	30.63
		1999	33.43
		2000	38.05
		2001	34.55
		2002	18.98
		2003	14.61
		2004	32.33
		2005	52.82
		2006	56.24
		2007	70.30
		2008	81.89
		2009	79.99
		2010	105.90
III. Pacífico Norte	17.00	1990	75.27
		1991	81.94
		1992	54.96
		1993	62.72
		1994	48.11
		1995	30.20
		1996	55.60
		1997	48.82
		1998	27.55
		1999	35.31
		2000	52.11
		2001	42.02
		2002	23.97
		2003	31.06
		2004	81.78
		2005	70.46
		2006	72.89
		2007	79.67
		2008	83.66
		2009	73.42
		2010	74.43
IV. Balsas	16.00	1990	61.34
		1991	59.33
		1992	66.36
		1993	65.45
		1994	66.59
		1995	66.57
		1996	70.14
		1997	61.19
		1998	78.76
		1999	75.60
		2000	59.72
		2001	61.24
		2002	63.74
		2003	77.76
		2004	74.28
		2005	66.41
		2006	75.29
		2007	62.23
		2008	70.31
		2009	65.03
		2010	68.23
V. Pacífico Sur	2.00	1990	35.12
		1991	62.23
		1992	61.99
		1993	97.79
		1994	59.07
		1995	95.77
		1996	98.39
		1997	100.51
		1998	98.93
		1999	97.17
		2000	94.32
		2001	93.66
		2002	93.85
		2003	94.87
		2004	81.75
		2005	92.16
		2006	74.37
		2007	55.73
		2008	99.58
		2009	87.82
		2010	100.22
VI. Río Bravo	16.00	1990	72.32
		1991	89.44
		1992	76.12
		1993	61.26
		1994	34.11
		1995	29.45
		1996	41.65
		1997	37.34
		1998	31.24
		1999	36.75
		2000	28.21
		2001	27.41
		2002	36.91
		2003	53.30
		2004	74.57
		2005	71.03
		2006	67.46
		2007	74.48
		2008	100.33
		2009	81.01
		2010	98.02
VII. Cuencas Centrales del Norte	3.00	1990	107.26
		1991	115.58
		1992	75.88
		1993	85.33
		1994	45.44
		1995	24.05
		1996	62.01
		1997	38.86
		1998	22.75
		1999	34.76
		2000	30.07
		2001	19.32
		2002	28.93
		2003	50.27
		2004	63.97
		2005	51.15
		2006	84.47
		2007	70.15
		2008	108.44
		2009	99.72
		2010	97.75
VIII. Lerma-Santiago-Pacífico	27.00	1990	23.32
		1991	27.59
		1992	28.69
		1993	54.69
		1994	67.39
		1995	60.65
		1996	65.63
		1997	52.47
		1998	75.01
		1999	64.34
		2000	52.84
		2001	63.39
		2002	67.57
		2003	75.54
		2004	76.62
		2005	65.54
		2006	85.34
		2007	82.35
		2008	88.08
		2009	81.26
		2010	88.67
IX. Golfo Norte	12.00	1990	33.69
		1991	35.10
		1992	33.18
		1993	34.84
		1994	45.11
		1995	55.71
		1996	54.67
		1997	47.44
		1998	52.21
		1999	47.72
		2000	40.71
		2001	44.25
		2002	48.63
		2003	71.37
		2004	63.31
		2005	63.05
		2006	56.17
		2007	64.23
		2008	77.53
		2009	68.29
		2010	91.11
X. Golfo Centro	5.00	1990	61.17
		1991	62.19
		1992	66.12
		1993	58.49
		1994	41.40
		1995	62.12
		1996	66.60
		1997	69.36
		1998	84.57
		1999	84.67
		2000	69.84
		2001	79.37
		2002	54.39
		2003	87.56
		2004	64.68
		2005	81.53
		2006	83.79
		2007	67.02
		2008	80.58
		2009	80.36
		2010	79.34
XI. Frontera Sur	5.00	1990	106.63
		1991	107.02
		1992	107.73
		1993	110.89
		1994	91.96
		1995	115.38
		1996	110.39
		1997	101.57
		1998	116.87
		1999	122.68
		2000	103.29
		2001	82.40
		2002	61.55
		2003	90.27
		2004	90.58
		2005	115.83
		2006	103.43
		2007	117.23
		2008	107.90
		2009	90.26
		2010	106.91
XIII. Aguas del Valle de México y Sistema Cutzamala	4.00	1990	64.48
		1991	67.73
		1992	70.19
		1993	62.38
		1994	64.31
		1995	66.44
		1996	68.26
		1997	61.64
		1998	68.96
		1999	68.75
		2000	64.72
		2001	66.06
		2002	69.13
		2003	68.46
		2004	69.40
		2005	65.30
		2006	70.42
		2007	71.80
		2008	65.83
		2009	66.28
		2010	83.55