SEMARNAT

Región administrativa	Año	Número de acuiferos	Volumen de Extracción	Volumen de Recarga
Península de Baja California	1998	-	-	1,394.00
	1999	-	-	1,580.00
	2000	87	1,651.10	1,413.00
	2001	87	1,536.00	1,413.00
	2002	-	-	-
	2003	87	1,512.16	1,411.19
	2004	87	1,492.75	1,410.94
	2005	87	1,492.75	1,410.94
Noroeste	1998	-	-	2,767.00
	1999	-	-	2,700.00
	2000	63	2,512.30	2,491.00
	2001	64	2,557.00	2,498.00
	2002	-	-	-
	2003	63	2,730.09	2,754.72
	2004	63	2,735.68	2,754.10
	2005	63	2,735.68	2,754.10
Pacífico Norte	1998	-	-	1,392.00
	1999	-	-	1,475.00
	2000	24	1,247.20	2,541.00
	2001	24	940.00	2,581.00
	2002	-	-	-
	2003	24	938.41	2,581.52
	2004	24	945.30	2,679.82
	2005	24	945.30	2,679.82
Balsas	1998	-	-	3,351.00
	1999	-	-	3,351.00
	2000	43	2,497.00	3,918.00
	2001	43	2,243.00	3,967.00
	2002	-	-	-
	2003	42	2,242.26	3,965.12
	2004	43	2,242.48	3,979.91
	2005	47	2,176.68	3,391.91
Pacífico Sur	1998	-	-	1,726.00
	1999	-	-	1,823.00
	2000	38	392.00	1,665.00
	2001	38	238.00	1,667.00
	2002	-	-	-
	2003	38	237.35	1,709.02
	2004	38	237.35	1,709.02
	2005	34	220.35	1,425.52
	2006	34	294.30	1,696.00
Río Bravo	1998	-	-	5,321.00
	1999	-	-	4,800.00
	2000	97	3,707.30	5,057.00
	2001	97	4,080.00	5,063.00
	2002	-	-	-
	2003	96	4,123.89	5,218.87
	2004	96	4,115.06	5,218.52
	2005	100	4,118.84	5,265.52
	2006	100	4,179.30	5,081.00
Cuencas Centrales del Norte	1998	-	-	1,662.00
	1999	-	-	1,814.00
	2000	71	2,863.20	2,073.00
	2001	71	2,640.00	2,094.00
	2002	-	-	-
	2003	72	2,738.51	2,106.62
	2004	72	2,737.45	2,111.51
	2005	68	2,755.06	2,117.51
	2006	68	2,940.50	2,297.00
Lerma-Santiago-Pacífico	1998	-	-	7,113.00
	1999	-	-	7,186.00
	2000	127	7,055.40	7,109.00
	2001	127	7,267.00	7,156.00
	2002	-	-	-
	2003	126	7,537.73	7,309.56
	2004	126	7,486.51	7,382.77
	2005	127	7,506.91	7,426.77
	2006	127	7,579.10	7,566.00
Golfo Norte	1998	-	-	1,207.00
	1999	-	-	1,474.00
	2000	41	1,089.30	1,268.00
	2001	41	1,150.00	1,274.00
	2002	-	-	-
	2003	42	1,149.05	1,277.20
	2004	41	1,458.00	1,277.00
	2005	40	1,119.45	1,216.22
	2006	40	1,125.70	1,392.00
Golfo Centro	1998	-	-	2,349.00
	1999	-	-	2,099.00
	2000	21	1,281.10	3,703.00
	2001	21	592.00	3,615.00
	2002	-	-	-
	2003	22	592.51	3,615.55
	2004	21	591.78	3,613.60
	2005	22	595.18	3,620.60
	2006	22	587.70	3,849.00
Frontera Sur	1998	-	-	6,220.00
	1999	-	-	5,777.00
	2000	23	679.30	16,902.00
	2001	23	456.00	16,934.00
	2002	-	-	-
	2003	23	458.33	18,421.38
	2004	23	524.67	18,421.20
	2005	23	524.67	18,421.20
	2006	23	524.70	18,015.00
Península de Yucatán	1998	-	-	31,053.00
	1999	-	-	31,054.00
	2000	4	1,160.00	25,148.00
	2001	4	1,348.00	25,148.00
	2002	-	-	-
	2003	4	1,348.31	25,315.67
	2004	4	1,447.60	25,315.70
	2005	4	1,447.60	25,315.70
	2006	4	1,447.60	25,316.00
Aguas del Valle de México y Sistema Cutzamala	1998	-	-	2,070.00
	1999	-	-	1,025.00
	2000	14	2,385.10	1,806.00
	2001	14	1,927.00	1,809.00
	2002	-	-	-
	2003	14	1,928.39	1,807.53
	2004	14	1,915.18	1,938.47
	2005	14	1,915.18	1,938.47
	2006	14	1,801.70	1,835.00