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
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
III. Pacífico Norte	14.00	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
IV. Balsas	12.00	1990	63.14
		1991	61.08
		1992	68.31
		1993	67.37
		1994	68.54
		1995	68.52
		1996	72.20
		1997	62.99
		1998	81.08
		1999	77.82
		2000	61.47
		2001	63.03
		2002	65.61
		2003	80.04
		2004	76.46
		2005	68.36
		2006	77.50
		2007	64.06
		2008	72.37
		2009	66.93
V. Pacífico Sur	2.00	1990	34.71
		1991	61.50
		1992	61.27
		1993	96.66
		1994	58.39
		1995	94.66
		1996	97.25
		1997	99.35
		1998	97.78
		1999	96.04
		2000	93.23
		2001	92.58
		2002	92.76
		2003	93.77
		2004	80.80
		2005	91.09
		2006	73.50
		2007	55.08
		2008	98.43
		2009	86.80
VI. Río Bravo	15.00	1990	72.99
		1991	90.27
		1992	76.82
		1993	61.82
		1994	34.43
		1995	29.72
		1996	42.04
		1997	37.69
		1998	31.53
		1999	37.09
		2000	28.47
		2001	27.66
		2002	37.26
		2003	53.80
		2004	75.26
		2005	71.69
		2006	68.08
		2007	75.17
		2008	101.26
		2009	81.76
VII. Cuencas Centrales del Norte	3.00	1990	92.69
		1991	99.88
		1992	65.57
		1993	73.74
		1994	39.27
		1995	20.78
		1996	53.59
		1997	33.58
		1998	19.66
		1999	30.03
		2000	25.99
		2001	16.70
		2002	25.00
		2003	43.44
		2004	55.28
		2005	44.21
		2006	73.00
		2007	60.62
		2008	93.71
		2009	86.17
VIII. Lerma-Santiago-Pacífico	20.00	1990	22.80
		1991	27.22
		1992	28.21
		1993	54.77
		1994	67.70
		1995	60.96
		1996	65.96
		1997	52.60
		1998	75.46
		1999	64.71
		2000	53.04
		2001	63.72
		2002	67.90
		2003	76.05
		2004	77.14
		2005	65.90
		2006	85.96
		2007	82.99
		2008	89.76
		2009	82.41
IX. Golfo Norte	7.00	1990	34.89
		1991	35.87
		1992	33.74
		1993	36.05
		1994	46.90
		1995	58.01
		1996	57.17
		1997	49.81
		1998	53.94
		1999	49.67
		2000	42.64
		2001	46.11
		2002	50.05
		2003	73.67
		2004	65.20
		2005	65.75
		2006	58.54
		2007	66.72
		2008	81.45
		2009	71.75
X. Golfo Centro	3.00	1990	61.68
		1991	62.70
		1992	66.66
		1993	58.97
		1994	41.74
		1995	62.63
		1996	67.14
		1997	69.93
		1998	85.27
		1999	85.36
		2000	70.41
		2001	80.02
		2002	54.84
		2003	88.28
		2004	65.21
		2005	82.20
		2006	84.48
		2007	67.57
		2008	81.24
		2009	81.01
XI. Frontera Sur	4.00	1990	107.04
		1991	107.43
		1992	108.15
		1993	111.31
		1994	92.31
		1995	115.82
		1996	110.82
		1997	101.96
		1998	117.32
		1999	123.16
		2000	103.68
		2001	82.72
		2002	61.79
		2003	90.61
		2004	90.92
		2005	116.28
		2006	103.83
		2007	117.68
		2008	108.32
		2009	90.34
XIII. Aguas del Valle de México	2.00	1990	92.33
		1991	96.98
		1992	100.50
		1993	89.32
		1994	92.08
		1995	95.14
		1996	97.74
		1997	88.27
		1998	98.74
		1999	98.45
		2000	92.67
		2001	94.60
		2002	98.99
		2003	98.03
		2004	99.37
		2005	93.51
		2006	100.84
		2007	102.81
		2008	94.26
		2009	94.90