_id	年度	SO42-(p)	nss-SO42-(p)	NO3-(p)	Cl-(p)	Na+(p)	K+(p)	Ca2+(p)	nss-Ca2+(p)	Mg2+(p)	NH4+(p)
1	H15	48.2	47.1	51.7	12.2	18.4	4.1	6.7	6.3	3	106.2
2	H16	50.9	49.5	46.1	16.4	23.1	3.8	7.5	7	3.9	103.9
3	H17	51.5	50.4	45.1	14.4	18.6	2.7	8.2	7.8	2.6	109.6
4	H18*	*31.2	*30.6	*230	*6.2	*9.8	*1.4	*4.2	*3.9	*1.2	*62
5	H19*	*36	*35	*46.2	*17.6	*15.9	*3.3	*6	*5.7	*1.6	*87.6
6	H20	44.7	43.3	36.4	9.8	23.4	3.6	6.7	6.1	2.7	83.5
7	H21	33.6	32.3	30.7	7	21.2	4.9	7.7	7.2	2.4	75.7
8	H22	30.2	30	26.5	9.7	19	2.5	5.1	4.7	2.3	62.4
9	H23	32.7	31	31.6	14.1	27.1	3.4	6.7	6.2	2.5	71.2
10	H24	39.3	37.3	36.6	16.2	32.3	3.9	7.1	6.4	3.3	72
11	H25	44.4	42.6	34.8	15.8	30.5	5.2	8.8	8.1	3.4	81.1
12	H26	40.2	38.5	35.7	16.4	30.9	3.6	11.6	10.9	4.1	71.6
13	H27	39.5	37.6	42.3	17.7	30.5	3.3	130	12.3	4.5	65.1
14	H28	33.8	32	34.3	14.9	30.5	3	8.2	7.5	4.1	57.5
15	H29	32	30.3	37.6	16.7	27.3	4.1	9.3	8.7	3.7	59.3
16	H30	30.6	28.5	33.4	21.8	33.3	3.5	9.7	9	4.8	53.3
17	R1	31	28.7	34.2	22.2	37.5	3.8	8.6	7.8	4.7	49.2
18	R2	25.9	23.9	31	20.1	31.8	3	7.7	7	4	41.7
19	R3	27.1	24.8	38.8	24.3	38	3.6	10.5	9.7	4.8	45.6
20	R4	21.1	19.3	28.1	16.6	29.8	2.3	7.8	7.2	3	39.3
21	R5	21	18.9	28.9	22.7	34.6	2.6	10	9.2	4.1	35.1
22	注1　測定地点　H15~21：鳴海配水場、H22~R5：環境科学調査センター	""	""	""	""	""	""	""	""	""	""
23	注2　H18およびH19は7カ月欠測だったので参考値扱いとした。	""	""	""	""	""	""	""	""	""	""