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 |
1991.04.26 |
1991.04.28 |
1991.04.30 |
1991.05.08 |
1991.05.15 |
1991.05.21 |
1991.06.05 |
1991.06.11 |
1991.06.18 |
1991.07.09 |
1991.07.30 |
1991.07.30 |
1991.08.07 |
1991.08.20 |
1991.08.27 |
1991.09.06 |
1991.09.11 |
1991.09.18 |
1991.10.02 |
1991.10.22 |
1991.10.28 |
1991.11.06 |
1991.11.13 |
1991.11.19 |
1991.12.04 |
1991.12.10 |
1991.12.17 |
1992.01.08 |
1992.01.21 |
1992.01.22 |
1992.02.05 |
1992.02.10 |
1992.02.18 |
1992.03.04 |
1992.03.09 |
1992.03.11 |
採取時刻 |
1055 |
1045 |
1040 |
1035 |
1330 |
1050 |
1050 |
1045 |
1050 |
1040 |
1055 |
1300 |
1040 |
1045 |
1050 |
1105 |
1150 |
1055 |
1050 |
1035 |
1045 |
1045 |
1330 |
1035 |
1045 |
1100 |
1050 |
1115 |
1035 |
1330 |
1050 |
1040 |
1040 |
1045 |
1150 |
1100 |
天候 |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
曇り |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
雨 |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
気温 (℃) |
17.4 |
13.1 |
15.7 |
18.5 |
24.5 |
22.5 |
22.2 |
25.3 |
25.1 |
22.4 |
22.7 |
22.2 |
19.0 |
28.6 |
24.2 |
28.0 |
18.0 |
22.2 |
17.9 |
9.4 |
13.1 |
8.4 |
6.7 |
6.8 |
6.9 |
2.4 |
2.4 |
6.9 |
4.6 |
4.0 |
2.1 |
0.0 |
2.2 |
2.4 |
5.2 |
7.3 |
水温 (℃) |
8.0 |
8.0 |
12.0 |
14.0 |
15.1 |
15.2 |
16.7 |
18.0 |
19.8 |
17.0 |
17.2 |
17.8 |
15.8 |
22.5 |
17.2 |
21.0 |
16.0 |
13.2 |
13.8 |
9.4 |
10.7 |
5.5 |
7.4 |
6.0 |
6.2 |
3.0 |
4.0 |
5.0 |
4.0 |
3.0 |
1.1 |
1.4 |
2.2 |
3.2 |
3.5 |
5.5 |
流量 (m3/s) |
49.11 |
47.46 |
42.81 |
21.52 |
28.84 |
29.54 |
30.48 |
33.01 |
19.17 |
45.20 |
50.79 |
47.34 |
80.33 |
31.58 |
22.16 |
42.40 |
34.50 |
62.34 |
39.71 |
53.17 |
43.94 |
34.81 |
29.74 |
32.48 |
43.78 |
36.19 |
31.87 |
30.16 |
21.62 |
24.51 |
17.31 |
16.02 |
18.46 |
22.29 |
25.34 |
20.54 |
pH |
7.2 |
6.8 |
7.1 |
6.7 |
7.1 |
7.2 |
7.5 |
7.5 |
7.4 |
7.5 |
7.3 |
7.3 |
7.3 |
7.4 |
7.5 |
7.5 |
7.5 |
7.4 |
7.5 |
7.2 |
7.4 |
7.3 |
7.4 |
7.5 |
7.3 |
7.2 |
7.2 |
7.4 |
7.3 |
7.4 |
7.4 |
7.3 |
7.3 |
7.5 |
7.4 |
7.5 |
DO (mg/l) |
|
|
|
|
10 |
|
|
|
|
|
|
9 |
|
|
|
|
9.2 |
|
|
|
|
|
11 |
|
|
|
|
|
|
12 |
|
|
|
|
12 |
|
BOD (mg/l) |
|
|
|
|
0.8 |
|
|
|
|
|
|
0.9 |
|
|
|
|
1 |
|
|
|
|
|
0.7 |
|
|
|
|
|
|
1.1 |
|
|
|
|
1.1 |
|
COD (mg/l) |
|
|
|
|
3.7 |
|
|
|
|
|
|
2.8 |
|
|
|
|
2.5 |
|
|
|
|
1.5 |
1.5 |
|
|
|
|
|
|
2.4 |
|
|
|
|
2.5 |
|
SS (mg/l) |
19 |
17 |
17 |
25 |
24 |
17 |
13 |
14 |
14 |
23 |
20 |
21 |
24 |
14 |
12 |
25 |
11 |
17 |
12 |
12 |
17 |
11 |
11 |
9 |
11 |
13 |
13 |
60 |
22 |
52 |
17 |
17 |
18 |
22 |
22 |
23 |
大腸菌群数 (MPN/100ml) |
|
|
|
|
1.7E+03 |
|
|
|
|
|
|
7.9E+03 |
|
|
|
|
7.9E+03 |
|
|
|
|
|
1.3E+03 |
|
|
|
|
|
|
7.9E+02 |
|
|
|
|
1.3E+03 |
|
全窒素 (mg/l) |
|
|
|
|
1.56 |
|
|
|
|
|
|
1.42 |
|
|
|
|
1.42 |
|
|
|
|
|
1.47 |
|
|
|
|
|
|
1.58 |
|
|
|
|
1.69 |
|
全燐 (mg/l) |
|
|
|
|
0.083 |
|
|
|
|
|
|
0.046 |
|
|
|
|
0.064 |
|
|
|
|
|
0.049 |
|
|
|
|
|
|
0.059 |
|
|
|
|
0.064 |
|
カドミウム (mg/l) |
|
|
|
|
< 0.005 |
|
|
|
|
|
|
< 0.005 |
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
< 0.005 |
|
|
|
|
< 0.005 |
|
全シアン (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
N |
|
鉛 (mg/l) |
|
|
|
|
< 0.05 |
|
|
|
|
|
|
< 0.05 |
|
|
|
|
< 0.05 |
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
< 0.05 |
|
|
|
|
< 0.05 |
|
六価クロム (mg/l) |
|
|
|
|
< 0.02 |
|
|
|
|
|
|
< 0.02 |
|
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
< 0.02 |
|
|
|
|
< 0.02 |
|
砒素 (mg/l) |
< 0.02 |
|
|
< 0.02 |
< 0.02 |
|
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
< 0.02 |
< 0.02 |
|
< 0.02 |
|
|
< 0.02 |
|
< 0.02 |
< 0.02 |
|
|
< 0.02 |
< 0.02 |
|
総水銀 (mg/l) |
|
|
|
|
< 0 |
|
|
|
|
|
|
< 0 |
|
|
|
|
< 0 |
|
|
|
|
|
< 0 |
|
|
|
|
|
|
< 0 |
|
|
|
|
< 0 |
|
鉄(溶解性) (mg/l) |
0.6 |
1.2 |
0.6 |
< 0.4 |
|
0.6 |
0.4 |
0.8 |
0.6 |
1.9 |
0.8 |
|
1 |
0.4 |
0.5 |
1.1 |
|
0.7 |
0.5 |
0.9 |
1 |
0.4 |
|
0.5 |
0.9 |
0.7 |
0.5 |
1.1 |
0.8 |
|
0.6 |
0.5 |
1 |
1.2 |
|
1.4 |