測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01954 |
北上川(4) |
北上川橋 |
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 |
1989.08.02 |
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 |
1340 |
1330 |
1355 |
1200 |
1210 |
1210 |
1245 |
1205 |
1215 |
1815 |
0015 |
0615 |
1335 |
1225 |
1200 |
1200 |
1325 |
1210 |
1215 |
1210 |
1220 |
1230 |
1410 |
1340 |
1215 |
1205 |
1235 |
天候 |
雨 |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
雨 |
曇り |
雨 |
晴れ |
曇り |
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 |
気温 (℃) |
10 |
6.5 |
20.5 |
23.5 |
22.8 |
19 |
26.2 |
26.8 |
32.5 |
23 |
23 |
21.9 |
30.6 |
26.7 |
20.6 |
13.7 |
12.3 |
14 |
12.5 |
5.8 |
3 |
2 |
-2.2 |
-0.7 |
7.1 |
6.8 |
11.5 |
水温 (℃) |
10 |
8.5 |
14.3 |
17.3 |
18.5 |
16 |
18.7 |
22.5 |
25 |
25.2 |
24 |
24.9 |
28.5 |
18.8 |
16 |
14.3 |
12.5 |
12 |
8.5 |
5.3 |
1.1 |
2 |
0 |
0 |
5 |
4.5 |
5.7 |
流量 (m3/s) |
549.6 |
564.3 |
239.7 |
247.4 |
176.1 |
217.4 |
137.2 |
120.5 |
|
|
|
|
|
364.3 |
419.4 |
248.8 |
165.4 |
163.3 |
205.5 |
351.9 |
212.6 |
135.3 |
135.3 |
111.7 |
471.3 |
315.9 |
255.2 |
pH |
7.1 |
7.3 |
7.4 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
7.6 |
7.7 |
7.5 |
7.5 |
7.6 |
7.4 |
7.4 |
7.5 |
7.6 |
7.5 |
7.4 |
7.3 |
7.2 |
7.3 |
7.3 |
7.4 |
7.2 |
7.1 |
7.2 |
DO (mg/l) |
10.5 |
11.1 |
10.4 |
9.7 |
8.6 |
9.2 |
8.8 |
8.3 |
9.2 |
9.2 |
7.8 |
7.6 |
8.3 |
8.8 |
8.6 |
9.8 |
10.3 |
10.1 |
11.3 |
11.9 |
13.7 |
13.5 |
14.6 |
14 |
12.2 |
12.9 |
12.3 |
BOD (mg/l) |
1.5 |
1.5 |
1.6 |
1.6 |
2.1 |
1.7 |
1.9 |
1 |
1.8 |
2.5 |
1.7 |
1.8 |
1.5 |
0.8 |
0.6 |
1.5 |
2.6 |
3.4 |
1.5 |
1.9 |
1.8 |
2.3 |
2.9 |
1.6 |
3.8 |
1.3 |
1.6 |
COD (mg/l) |
2.9 |
|
3.3 |
|
4.3 |
|
3.8 |
|
3.2 |
|
|
|
|
2.5 |
|
2.2 |
|
3.8 |
|
2.6 |
|
2.1 |
|
2.3 |
|
2.5 |
|
SS (mg/l) |
19 |
27 |
17 |
13 |
13 |
16 |
13 |
10 |
4 |
5 |
5 |
5 |
4 |
15 |
11 |
8 |
6 |
13 |
9 |
18 |
10 |
4 |
5 |
4 |
26 |
15 |
11 |
大腸菌群数 (MPN/100ml) |
7.0E+03 |
1.7E+04 |
2.2E+03 |
7.9E+02 |
1.1E+03 |
1.7E+03 |
7.0E+03 |
1.7E+03 |
7.9E+02 |
7.9E+02 |
1.1E+03 |
1.7E+03 |
2.2E+03 |
3.3E+03 |
7.9E+02 |
2.4E+03 |
2.2E+03 |
1.7E+03 |
7.9E+02 |
1.3E+03 |
1.8E+04 |
4.9E+04 |
4.9E+02 |
4.9E+03 |
2.2E+03 |
3.5E+05 |
7.9E+03 |
全窒素 (mg/l) |
|
|
1.07 |
|
|
|
1.32 |
|
|
|
|
|
|
1.05 |
|
|
|
1.34 |
|
|
|
1.2 |
|
|
|
1.08 |
|
全燐 (mg/l) |
|
|
0.084 |
|
|
|
0.1 |
|
|
|
|
|
|
0.055 |
|
|
|
0.095 |
|
|
|
0.062 |
|
|
|
0.05 |
|
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) |
|
|
0.2 |
|
|
|
0.31 |
|
|
|
|
|
|
0.15 |
|
|
|
0.24 |
|
|
|
0.11 |
|
|
|
0.32 |
|