測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01751 |
北上川(2) |
船田橋 |
A |
測定結果
採取年月日 |
1994.04.14 |
1994.04.19 |
1994.04.25 |
1994.04.26 |
1994.05.11 |
1994.05.18 |
1994.05.23 |
1994.06.01 |
1994.06.08 |
1994.06.21 |
1994.06.28 |
1994.07.12 |
1994.07.13 |
1994.07.20 |
1994.08.02 |
1994.08.09 |
1994.08.17 |
1994.08.23 |
1994.09.07 |
1994.09.20 |
1994.09.21 |
1994.10.11 |
1994.10.12 |
1994.10.17 |
1994.10.25 |
1994.11.02 |
1994.11.09 |
1994.11.15 |
1994.12.07 |
1994.12.13 |
1994.12.14 |
1994.12.22 |
1995.01.11 |
1995.01.18 |
1995.01.24 |
1995.02.01 |
1995.02.08 |
1995.02.21 |
1995.03.01 |
1995.03.08 |
1995.03.14 |
採取時刻 |
1045 |
1015 |
1130 |
1035 |
1035 |
1140 |
1035 |
1040 |
1210 |
1050 |
1025 |
1035 |
1300 |
1030 |
1030 |
1030 |
1210 |
1035 |
1035 |
1020 |
1210 |
1055 |
1220 |
1030 |
1035 |
1020 |
1420 |
1035 |
1030 |
1045 |
1220 |
1040 |
1040 |
1150 |
1035 |
1100 |
1150 |
1030 |
1030 |
1330 |
1030 |
天候 |
雨 |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
雪 |
曇り |
曇り |
晴れ |
曇り |
気温 (℃) |
8.6 |
12.2 |
18.3 |
15.0 |
21.1 |
16.8 |
23.9 |
22.8 |
24.9 |
11.0 |
16.5 |
22.6 |
26.1 |
26.9 |
29.6 |
30.5 |
33.0 |
27.0 |
23.1 |
22.3 |
25.7 |
15.3 |
18.0 |
14.8 |
12.6 |
10.3 |
12.0 |
7.4 |
5.3 |
6.2 |
2.6 |
2.1 |
-0.7 |
0.9 |
3.2 |
3.0 |
2.7 |
3.1 |
4.2 |
7.4 |
5.9 |
水温 (℃) |
5.5 |
9.8 |
9.8 |
9.8 |
13.0 |
12.0 |
14.0 |
15.0 |
13.2 |
14.6 |
18.0 |
20.2 |
14.5 |
21.5 |
22.8 |
23.0 |
25.0 |
20.9 |
19.2 |
17.8 |
18.9 |
12.5 |
13.8 |
12.5 |
7.9 |
7.5 |
8.6 |
5.7 |
5.0 |
6.2 |
4.8 |
4.1 |
1.6 |
2.0 |
3.1 |
2.0 |
3.9 |
3.8 |
3.5 |
6.2 |
5.2 |
流量 (m3/s) |
78.03 |
48.78 |
46.95 |
43.21 |
37.98 |
45.58 |
41.87 |
43.21 |
31.83 |
48.78 |
27.31 |
23.30 |
22.70 |
14.44 |
11.49 |
11.49 |
18.84 |
17.73 |
47.36 |
35.49 |
26.92 |
25.33 |
25.83 |
28.53 |
23.30 |
18.61 |
17.05 |
18.61 |
17.73 |
19.51 |
18.84 |
16.05 |
17.73 |
17.05 |
16.88 |
16.05 |
15.35 |
14.44 |
15.23 |
15.35 |
17.73 |
pH |
7.3 |
7.3 |
7.2 |
7.2 |
7.0 |
7.2 |
7.1 |
7.3 |
7.5 |
7.5 |
7.2 |
7.6 |
7.6 |
7.7 |
7.8 |
7.7 |
7.9 |
7.8 |
7.3 |
7.6 |
7.7 |
7.5 |
7.6 |
7.5 |
7.6 |
7.5 |
7.7 |
7.6 |
7.6 |
7.6 |
7.6 |
7.5 |
7.6 |
7.5 |
7.6 |
7.5 |
7.6 |
7.6 |
7.6 |
7.7 |
7.8 |
DO (mg/l) |
|
|
12.0 |
|
|
10.0 |
|
|
9.7 |
|
|
|
9.7 |
|
|
|
8.7 |
|
|
|
9.3 |
|
10.0 |
|
|
|
12.0 |
|
|
|
13.0 |
|
|
14.0 |
|
|
13.2 |
|
|
12.2 |
|
BOD (mg/l) |
|
|
0.5 |
|
|
0.9 |
|
|
0.9 |
|
|
|
0.6 |
|
|
|
0.8 |
|
|
|
0.9 |
|
0.7 |
|
|
|
1.2 |
|
|
|
1.8 |
|
|
1.9 |
|
|
2.1 |
|
|
8.2 |
|
COD (mg/l) |
|
|
2.4 |
|
|
3.5 |
|
|
2.8 |
|
|
|
2.7 |
|
|
|
3.6 |
|
|
|
2.3 |
|
1.6 |
|
|
|
2.4 |
|
|
|
2.4 |
|
|
2.5 |
|
|
2.6 |
|
|
8.2 |
|
SS (mg/l) |
66 |
15 |
19 |
15 |
21 |
21 |
14 |
14 |
15 |
16 |
17 |
17 |
17 |
16 |
14 |
14 |
16 |
12 |
104 |
20 |
10 |
10 |
9 |
17 |
8 |
11 |
9 |
10 |
11 |
11 |
12 |
13 |
12 |
15 |
15 |
14 |
13 |
20 |
16 |
14 |
16 |
大腸菌群数 (MPN/100ml) |
|
|
7.9E+02 |
|
|
2.4E+03 |
|
|
4.9E+02 |
|
|
|
2.2E+03 |
|
|
|
3.5E+04 |
|
|
|
4.9E+03 |
|
7.9E+02 |
|
|
|
7.0E+02 |
|
|
|
1.3E+04 |
|
|
1.2E+02 |
|
|
1.3E+03 |
|
|
7.9E+02 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.40 |
|
|
|
|
|
|
1.30 |
|
|
|
|
|
|
|
1.30 |
|
|
|
|
|
1.00 |
|
|
|
|
|
|
1.40 |
|
|
|
|
|
1.50 |
|
全燐 (mg/l) |
|
|
|
|
|
0.061 |
|
|
|
|
|
|
0.055 |
|
|
|
|
|
|
|
0.039 |
|
|
|
|
|
0.037 |
|
|
|
|
|
|
0.057 |
|
|
|
|
|
0.059 |
|
カドミウム (mg/l) |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
全シアン (mg/l) |
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
|
N |
|
鉛 (mg/l) |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
六価クロム (mg/l) |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
砒素 (mg/l) |
< 0.005 |
|
|
|
|
< 0.005 |
|
< 0.005 |
|
|
|
|
< 0.005 |
< 0.005 |
< 0.005 |
|
|
|
0.006 |
|
< 0.005 |
|
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
|
総水銀 (mg/l) |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
鉄(溶解性) (mg/l) |
0.19 |
0.12 |
|
0.06 |
0.12 |
|
0.08 |
0.08 |
|
0.09 |
0.09 |
0.07 |
|
0.07 |
0.07 |
0.14 |
|
0.11 |
0.47 |
0.17 |
|
0.08 |
|
0.16 |
0.07 |
0.04 |
|
0.07 |
0.07 |
0.07 |
|
0.07 |
0.10 |
|
0.09 |
0.09 |
|
0.08 |
0.08 |
|
0.11 |
アンモニア性窒素 (mg/l) |
|
|
|
|
|
00.100 |
|
|
|
|
|
|
00.100 |
|
|
|
|
|
|
|
00.100 |
|
|
|
|
|
|
|
|
|
|
|
|
00.200 |
|
|
|
|
|
00.100 |
|
透視度 |
20 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
26 |
> 30 |
> 30 |
9 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
24 |
> 30 |
> 30 |
27 |
27 |
> 30 |
塩化物イオン (mg/l) |
|
|
|
|
9 |
|
|
|
|
|
|
|
|
13 |
|
|
|
|
8 |
|
|
|
|
|
|
12 |
|
|
|
|
|
|
13 |
|
|
|
|
|
6 |
|
|
カルシウム (mg/l) |
|
|
|
|
16.9 |
|
|
|
|
|
|
|
|
31.1 |
|
|
|
|
19.7 |
|
|
|
|
|
|
27.3 |
|
|
|
|
|
|
27.4 |
|
|
|
|
|
29.1 |
|
|
マグネシウム (mg/l) |
|
|
|
|
3.6 |
|
|
|
|
|
|
|
|
7 |
|
|
|
|
3.9 |
|
|
|
|
|
|
6.6 |
|
|
|
|
|
|
6.7 |
|
|
|
|
|
7.4 |
|
|
硫酸イオン (mg/l) |
|
|
|
|
43 |
|
|
|
|
|
|
|
|
62 |
|
|
|
|
37 |
|
|
|
|
|
|
57 |
|
|
|
|
|
|
58 |
|
|
|
|
|
59 |
|
|
酸度 (mg/l) |
3.5 |
3.5 |
|
3.3 |
4 |
|
4.3 |
3.8 |
|
3.8 |
4 |
3.5 |
|
3.3 |
3.3 |
3.5 |
|
3.3 |
4.3 |
4 |
|
3.3 |
|
2.8 |
3 |
2.8 |
|
3.3 |
3 |
3.5 |
|
4.3 |
3.5 |
|
4.5 |
3.8 |
|
3.5 |
3.3 |
|
3 |
アルカリ度 (mg/l) |
19.8 |
22.7 |
|
20.7 |
16 |
|
22.7 |
28.2 |
|
36.3 |
40.3 |
40.7 |
|
48.4 |
53 |
52.7 |
|
53 |
24.6 |
40.4 |
|
39.9 |
|
31.9 |
40.5 |
40.7 |
|
39.7 |
43.2 |
42.7 |
|
15.2 |
47 |
|
44.7 |
44.5 |
|
46 |
49 |
|
48.7 |
アンチモン (mg/l) |
3.42 |
1.98 |
|
1.76 |
2.42 |
|
2 |
1.83 |
|
1.68 |
1.92 |
1.76 |
|
2.21 |
1.8 |
1.93 |
|
1.47 |
8.52 |
1.66 |
|
1.39 |
|
1.47 |
1.56 |
1.75 |
|
1.58 |
1.94 |
1.57 |
|
1.78 |
1.3 |
|
1.96 |
2.1 |
|
2.36 |
1.91 |
|
1.7 |