測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01851 |
北上川(3) |
紫波橋 |
A |
測定結果
採取年月日 |
1990.04.27 |
1990.04.30 |
1990.05.09 |
1990.05.23 |
1990.06.06 |
1990.06.20 |
1990.07.10 |
1990.07.30 |
1990.08.07 |
1990.08.07 |
1990.08.07 |
1990.08.08 |
1990.08.22 |
1990.09.05 |
1990.09.19 |
1990.10.03 |
1990.10.24 |
1990.11.14 |
1990.11.21 |
1990.12.05 |
1990.12.19 |
1991.01.09 |
1991.01.23 |
1991.02.06 |
1991.02.20 |
1991.03.01 |
1991.03.06 |
採取時刻 |
0945 |
0925 |
0940 |
0945 |
0935 |
0945 |
0950 |
0950 |
1110 |
1710 |
2310 |
0510 |
1005 |
0940 |
0950 |
0935 |
0955 |
0940 |
0950 |
0940 |
0950 |
0945 |
0930 |
0950 |
0945 |
0940 |
0940 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
14.2 |
13.3 |
19.6 |
14.2 |
19.2 |
23.8 |
19.2 |
28.4 |
31 |
29 |
25 |
22 |
27.9 |
21.8 |
27.2 |
15.8 |
12.4 |
15.8 |
8 |
7.1 |
5 |
0.6 |
-1.5 |
0.3 |
-2.2 |
1.3 |
7.3 |
水温 (℃) |
10.1 |
8.8 |
11.8 |
13.3 |
12 |
19.2 |
17.2 |
20.5 |
25.5 |
27 |
24.5 |
23.1 |
21.2 |
22.3 |
18.3 |
14.5 |
10.9 |
8.8 |
8.2 |
6.8 |
4.8 |
1.6 |
1.2 |
1 |
1 |
1.5 |
2.8 |
流量 (m3/s) |
|
|
|
|
|
|
|
|
|
|
|
|
80.4 |
56.9 |
152.1 |
71.6 |
50.9 |
167.5 |
172.8 |
123.4 |
87.9 |
|
|
|
|
56.9 |
60.0 |
pH |
7.2 |
7.2 |
7.2 |
7.4 |
7.5 |
7.4 |
7.4 |
7.4 |
7.8 |
7.7 |
7.4 |
7.6 |
7.4 |
7.6 |
7.3 |
7.4 |
7.5 |
7.2 |
7.3 |
7.1 |
7.2 |
7.3 |
7.1 |
7.2 |
7.2 |
7.4 |
7.2 |
DO (mg/l) |
11.2 |
11.2 |
10.7 |
10.5 |
11 |
8.6 |
9.8 |
8.8 |
9.5 |
9 |
6.1 |
6.6 |
8.8 |
9 |
9 |
9.2 |
10.8 |
11 |
11.1 |
11.2 |
12.3 |
12.5 |
12.6 |
12.9 |
12.6 |
13.4 |
11.4 |
BOD (mg/l) |
1 |
1.1 |
1.1 |
1.6 |
1.7 |
2 |
2.8 |
0.7 |
0.8 |
1.4 |
1.9 |
1.7 |
1.3 |
1 |
2.1 |
0.7 |
0.8 |
0.8 |
1.2 |
< 0.5 |
2.5 |
1 |
1.1 |
1 |
1.1 |
1.4 |
0.9 |
COD (mg/l) |
|
2.1 |
2.3 |
|
1.8 |
|
|
2.4 |
1.7 |
|
|
|
|
2.1 |
|
1.3 |
|
|
3.5 |
1.6 |
|
1.5 |
|
1.9 |
|
2.2 |
|
SS (mg/l) |
14 |
10 |
12 |
4 |
5 |
9 |
6 |
26 |
2 |
9 |
10 |
11 |
6 |
4 |
10 |
4 |
2 |
8 |
24 |
5 |
2 |
3 |
4 |
3 |
4 |
9 |
6 |
大腸菌群数 (MPN/100ml) |
4.9E+03 |
2.4E+03 |
2.2E+03 |
2.2E+03 |
4.9E+03 |
4.9E+04 |
2.2E+04 |
1.7E+03 |
2.8E+04 |
1.7E+05 |
1.7E+05 |
3.3E+04 |
4.9E+03 |
2.2E+04 |
7.9E+03 |
1.7E+04 |
1.1E+04 |
1.7E+03 |
2.4E+03 |
4.9E+03 |
7.9E+02 |
4.9E+03 |
2.4E+03 |
7.0E+03 |
4.9E+05 |
4.9E+03 |
4.9E+04 |
全窒素 (mg/l) |
|
|
1.05 |
|
|
|
|
1.34 |
|
|
|
|
|
|
|
|
|
|
1.18 |
|
|
1.31 |
|
|
1.21 |
|
|
全燐 (mg/l) |
|
|
0.052 |
|
|
|
|
0.047 |
|
|
|
|
|
|
|
|
|
|
0.016 |
|
|
0.046 |
|
|
0.044 |
|
|
カドミウム (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
|
|
|
|
< 0.005 |
|
< 0.005 |
|
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
N |
鉛 (mg/l) |
< 0.05 |
|
|
< 0.05 |
|
< 0.05 |
< 0.05 |
|
|
|
|
|
< 0.05 |
|
< 0.05 |
|
< 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 |
|
< 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 |
総水銀 (mg/l) |
< 0.0005 |
|
|
< 0.0005 |
|
< 0.0005 |
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
< 0.0005 |
|
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
トリクロロエチレン (mg/l) |
|
|
< 0.002 |
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
< 0.002 |
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
< 0.0005 |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
< 0.0005 |
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
0.2 |
|
|
|
|
0.22 |
|
|
|
|
|
0.1 |
|
|
|
|
0.19 |
|
|
< 0.12 |
|
|
|
0.11 |
|
クロム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
|
|
|
|
|
|