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 |
1989.04.24 |
1989.04.28 |
1989.05.10 |
1989.05.24 |
1989.06.07 |
1989.06.21 |
1989.07.05 |
1989.07.19 |
1989.08.01 |
1989.08.01 |
1989.08.01 |
1989.08.02 |
1989.08.23 |
1989.09.18 |
1989.09.27 |
1989.10.04 |
1989.10.18 |
1989.11.08 |
1989.11.22 |
1989.12.06 |
1989.12.20 |
1990.01.10 |
1990.01.24 |
1990.02.01 |
1990.02.23 |
1990.03.01 |
1990.03.07 |
採取時刻 |
0945 |
1005 |
0940 |
0930 |
0930 |
0935 |
0940 |
0935 |
0940 |
1540 |
2140 |
0340 |
0945 |
0945 |
0940 |
0945 |
0945 |
0950 |
0945 |
0935 |
0950 |
0950 |
1005 |
0955 |
0940 |
0950 |
1000 |
天候 |
曇り |
曇り |
晴れ |
晴れ |
曇り |
雨 |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
雪 |
晴れ |
曇り |
曇り |
気温 (℃) |
8.2 |
5.2 |
18.6 |
20.5 |
21.3 |
14.7 |
23.2 |
24.6 |
27.1 |
28 |
22.2 |
23 |
25.8 |
21.4 |
15.2 |
13 |
11 |
11.5 |
7.5 |
5.3 |
0.3 |
0.7 |
-6.7 |
-3.5 |
7.6 |
3.4 |
2.5 |
水温 (℃) |
8.5 |
7.6 |
13 |
14.6 |
16.7 |
14.9 |
17.5 |
20.8 |
24.2 |
26 |
24.8 |
24.1 |
24.7 |
18 |
14.5 |
13 |
11.5 |
10.2 |
8 |
4.8 |
1 |
1.9 |
-0.2 |
0 |
3.5 |
6 |
3.7 |
流量 (m3/s) |
162.5 |
159.0 |
65.1 |
76.8 |
52.9 |
60.4 |
63.5 |
38.1 |
22.9 |
24.8 |
26.8 |
27.9 |
|
82.1 |
120.0 |
51.4 |
41.9 |
45.9 |
50.0 |
97.2 |
50.0 |
38.1 |
35.7 |
38.1 |
147.6 |
138.1 |
55.8 |
pH |
7.1 |
7.2 |
7.3 |
7.3 |
7.5 |
7.3 |
7.4 |
7.4 |
7.4 |
7.7 |
7.6 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
7.6 |
7.4 |
7.3 |
7.2 |
7.2 |
7.3 |
7.2 |
7.3 |
7.2 |
7.1 |
7.3 |
DO (mg/l) |
11.1 |
11.4 |
11.4 |
11.4 |
10.3 |
9.8 |
10.1 |
9.1 |
7.7 |
9.2 |
7.3 |
6.5 |
7 |
8.8 |
10 |
10 |
11.4 |
10.7 |
11.2 |
12.5 |
13.7 |
12.9 |
14.1 |
13.7 |
13 |
13.3 |
13 |
BOD (mg/l) |
0.9 |
1.2 |
1.5 |
1.3 |
1.5 |
1.4 |
1.3 |
1.4 |
1.4 |
1.6 |
1.8 |
1.8 |
2.6 |
1.5 |
0.8 |
1.3 |
2.5 |
1.9 |
1.3 |
1.8 |
1.8 |
1.2 |
3 |
1.9 |
3 |
1.1 |
1.5 |
COD (mg/l) |
2.5 |
|
2 |
|
2.9 |
|
3.1 |
|
2.6 |
|
|
|
|
2.6 |
|
1.7 |
|
2.5 |
|
1.6 |
|
1.8 |
|
2.4 |
|
2.2 |
|
SS (mg/l) |
10 |
9 |
4 |
6 |
7 |
6 |
7 |
7 |
5 |
5 |
6 |
7 |
10 |
11 |
5 |
2 |
2 |
5 |
3 |
4 |
2 |
3 |
3 |
3 |
9 |
10 |
4 |
大腸菌群数 (MPN/100ml) |
1.3E+03 |
1.1E+04 |
4.9E+03 |
3.3E+04 |
1.1E+04 |
4.9E+03 |
4.9E+03 |
7.0E+03 |
7.0E+03 |
1.4E+04 |
1.4E+04 |
1.7E+04 |
1.1E+05 |
7.0E+04 |
1.1E+03 |
7.0E+03 |
3.3E+03 |
4.9E+03 |
1.1E+04 |
7.9E+02 |
4.9E+04 |
7.9E+02 |
3.3E+03 |
4.9E+03 |
1.7E+03 |
7.9E+02 |
4.9E+02 |
全窒素 (mg/l) |
|
|
1.19 |
|
|
|
1.33 |
|
|
|
|
|
|
1.54 |
|
|
|
1.26 |
|
|
|
1.31 |
|
|
|
1.28 |
|
全燐 (mg/l) |
|
|
0.047 |
|
|
|
0.017 |
|
|
|
|
|
|
0.045 |
|
|
|
0.044 |
|
|
|
0.048 |
|
|
|
0.028 |
|
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 |
|
|
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 |
アルキル水銀 (mg/l) |
|
N |
|
N |
|
N |
|
N |
|
|
|
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
鉄(溶解性) (mg/l) |
|
|
0.1 |
|
|
|
0.32 |
|
|
|
|
|
|
0.17 |
|
|
|
0.12 |
|
|
|
0.14 |
|
|
|
0.14 |
|