°Wassernutzung
	Trinkwassergewinnung, in Mio. m3
	Quell- wasser	Grund- wasser	Seewasser
1945	347.0	221.0	53.0
1946	354.6	233.4	57.0
1947	362.2	245.8	61.0
1948	369.8	258.2	65.0
1949	377.4	270.6	69.0
1950	385.0	283.0	73.0
1951	391.2	284.7	72.5
1952	397.4	286.4	72.0
1953	403.6	288.1	71.5
1954	409.8	289.8	71.0
1955	447.0	300.0	68.0
1956	447.6	308.8	71.8
1957	448.2	317.6	75.6
1958	448.8	326.4	79.4
1959	449.4	335.2	83.2
1960	453.0	388.0	106.0
1961	451.2	393.9	109.3
1962	449.4	399.8	112.6
1963	447.6	405.7	115.9
1964	445.8	411.6	119.2
1965	435.0	447.0	139.0
1966	435.9	452.9	144.2
1967	436.8	458.8	149.4
1968	437.7	464.7	154.6
1969	438.6	470.6	159.8
1970	444.0	506.0	191.0
1971	445.5	503.9	190.4
1972	447.0	501.8	189.8
1973	448.5	499.7	189.2
1974	450.0	497.6	188.6
1975	459.0	485.0	185.0
1976	425.2	529.6	220.5
1977	489.3	449.4	194.0
1978	500.3	444.0	193.3
1979	466.6	478.6	195.2
1980	473.0	449.3	181.2
1981	476.8	499.3	192.2
1982	542.4	462.9	184.6
1983	518.7	475.9	191.6
1984	501.5	460.8	198.8
1985	498.8	454.2	190.6
1986	485.6	450.5	194.2
1987	514.7	452.4	184.5
1988	491.9	451.4	202.3
1989	442.1	505.0	219.7
1990	441.9	499.2	220.7
1991	468.9	505.9	218.6
1992	464.3	515.6	212.4
1993	438.5	403.9	223.5
1994	468.9	432.9	189.7
1995	444.9	446.9	175.6
1996	445.6	415.7	190.6
1997	446.0	434.1	175.4
1998	423.2	453.7	185.9
1999	467.8	407.3	182.1
2000	499.0	387.0	175.0
2001	491.4	377.2	167.6
2002	513.0	398.0	161.0
2003	475.0	425.0	185.0
2004	445.0	408.0	176.0
2005	402.0	409.0	193.0
	Trinkwasserverbrauch, in Liter pro Person & Tag
	Haushalt und Kleingewerbe	Gewerbe und Industrie
1975	279.56	94.95
1976	288.26	97.91
1977	284.20	96.53
1978	285.36	96.92
1979	284.78	96.73
1980	275.50	93.58
1981	290.58	98.70
1982	292.32	99.29
1983	290.58	98.70
1984	283.62	96.33
1985	278.40	94.56
1986	273.18	92.79
1987	276.66	93.97
1988	273.18	92.79
1989	275.50	93.58
1990	271.44	92.20
1991	263.90	89.64
1992	272.02	92.39
1993	242.44	82.35
1994	246.50	83.73
1995	240.12	81.56
1996	244.01	67.94
1997	246.75	68.70
1998	248.26	69.12
1999	245.23	68.28
2000	250.17	64.56
2001	245.55	65.69
2002	247.20	72.40
2003	263.51	58.39
2004	233.02	66.10
2005	244.94	63.64
	Phosphorgehalt von Schweizer Seen, in µg pro Liter
	Vierwald-städtersee	Hallwilersee	Neuenburger-see	Bodensee	Zugersee
1951		22	8	6.9
1952				8
1953				8
1954				9
1955				9
1956	8			10
1957	13	49		11.1
1958	14	50		13
1959	18			14.1
1960	19			15.1
1961	16	98		19
1962	12	130	14	24.1
1963	12	130		29.9
1964		221		33.9
1965	23	199		36
1966	19		30	35
1967	20		34	33.9
1968	21	150	37	36	67
1969	18.5		39	39.8	85
1970	19	182	41	44.5	107
1971	23	145		51.9	127
1972	26	239	43	65.8	143
1973	25	223		75.7	155
1974	24	243		78.7	163
1975	25	226		81.8	176
1976	26	242	54	82.8	187
1977	26	260		85.5	197
1978	27	223	58	76.7	200
1979	25	240		86.9	202
1980	23	231	59	82.8	205
1981	21	222		84.8	204
1982	22	224	39	78.7	202
1983	19	196	46	76.7	196
1984	15	191	38	69.9	191
1985	14.5	174	41	65.8	186
1986	15.5	172	38	63.1	181
1987	14	163	44	58	176
1988	9	143	38	46.8	171
1989	8	118	30	42.9	167
1990	7.5	107	30	39	163
1991	7	98	18	32.9	161
1992	6	92	21	32.1	158
1993	5	86	21	30	155
1994	8	80	18	29	152
1995	6	61	21	24	148
1996	3.4	54	13	19	144
1997	2.2	49	14	18	139
1998	4.8	38	10	17	134
1999	4.8	52	7	15	129
2000	5.8	52	12	14	124
2001	5	52	13	13	119
2002	5	58	12	12	115
2003	5	45	12	12	110
2004	5	49	10	10
2005	5	38	10	9	108
	Wasserge-winnung 2002 in Liter pro Person & Tag
US*	4739.73
ES	2465.75
FR	1534.25
DE*	1178.08
CH	935.52
SE	821.92
UK*	684.93
US*: 2000
DE*: 2004
UK*: 2003