測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01901 |
北上川(4) |
千歳橋(狐禅寺) |
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 |
1240 |
1040 |
1110 |
1245 |
1050 |
1130 |
1135 |
1105 |
1115 |
1715 |
2315 |
0515 |
1250 |
1115 |
1135 |
1045 |
1225 |
1210 |
1140 |
1050 |
1220 |
1235 |
1145 |
1115 |
1230 |
1050 |
1130 |
天候 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
16.9 |
13.9 |
22.2 |
18.3 |
18.2 |
26.8 |
19.7 |
29.2 |
31.2 |
25 |
23.2 |
21.5 |
33.5 |
26.2 |
30.1 |
22.4 |
18.2 |
18.1 |
9.2 |
10 |
7.2 |
3.6 |
0.6 |
6.1 |
0 |
1 |
14.8 |
水温 (℃) |
12.3 |
9 |
13.5 |
14.5 |
17 |
19.8 |
17.4 |
23 |
28.8 |
28 |
27.1 |
26.5 |
25.3 |
23.8 |
20.5 |
16.5 |
13.5 |
11 |
9 |
7.5 |
5.3 |
2.1 |
3 |
2 |
2.6 |
2.5 |
5.4 |
流量 (m3/s) |
445.8 |
604.3 |
404.9 |
166.1 |
163.5 |
254.7 |
212.3 |
261.1 |
112.5 |
94.4 |
118.9 |
129.9 |
297.5 |
227.0 |
381.3 |
206.6 |
116.7 |
614.1 |
497.4 |
466.0 |
304.4 |
179.1 |
189.8 |
168.6 |
224.0 |
336.3 |
462.7 |
pH |
7.3 |
7.1 |
7.3 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
7.7 |
8.3 |
7.8 |
7.6 |
7.4 |
7.5 |
7.4 |
7.4 |
7.8 |
7.2 |
7.3 |
7.1 |
7.3 |
7.3 |
7.1 |
7.2 |
7.2 |
7.3 |
7.2 |
DO (mg/l) |
10.5 |
11.9 |
10.1 |
10 |
9.1 |
8.6 |
10 |
8 |
9.6 |
8.9 |
8.2 |
7.2 |
8.1 |
8.1 |
8.6 |
8.3 |
11.1 |
10.8 |
10.6 |
11.7 |
12.1 |
11.9 |
12.6 |
11.7 |
13.4 |
11.7 |
10.9 |
BOD (mg/l) |
0.8 |
1.6 |
1.5 |
1.6 |
2.4 |
1.5 |
2 |
0.7 |
1.3 |
1.4 |
1.9 |
1.7 |
1 |
1.4 |
1.8 |
0.5 |
1 |
0.7 |
1.1 |
0.7 |
3 |
0.7 |
1.8 |
1.2 |
0.8 |
1.8 |
1.9 |
COD (mg/l) |
|
4.1 |
3.1 |
|
3.2 |
|
|
2.7 |
2.4 |
|
|
|
|
3.6 |
|
2 |
|
|
2.5 |
1.8 |
|
1.9 |
|
1.9 |
|
3.9 |
|
SS (mg/l) |
18 |
38 |
23 |
7 |
19 |
17 |
7 |
15 |
4 |
41 |
32 |
9 |
11 |
14 |
15 |
10 |
2 |
17 |
21 |
12 |
6 |
9 |
8 |
6 |
10 |
39 |
32 |
大腸菌群数 (MPN/100ml) |
7.9E+03 |
2.8E+04 |
2.4E+04 |
1.7E+03 |
7.9E+03 |
3.3E+03 |
2.8E+03 |
1.7E+04 |
3.3E+03 |
4.9E+02 |
4.9E+04 |
7.9E+04 |
1.4E+04 |
4.9E+03 |
7.9E+03 |
3.3E+03 |
3.3E+03 |
7.9E+03 |
2.4E+03 |
1.7E+03 |
3.3E+02 |
1.1E+03 |
4.9E+02 |
2.4E+03 |
7.9E+05 |
3.3E+03 |
3.3E+03 |
全窒素 (mg/l) |
|
|
1.14 |
|
|
|
|
1.13 |
|
|
|
|
|
0.98 |
|
|
|
|
0.94 |
|
|
0.97 |
|
|
|
1.21 |
|
全燐 (mg/l) |
|
|
0.114 |
|
|
|
|
0.069 |
|
|
|
|
|
0.069 |
|
|
|
|
0.06 |
|
|
0.058 |
|
|
|
0.101 |
|
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 |
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
トリクロロエチレン (mg/l) |
|
|
< 0.002 |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
< 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) |
|
|
0.35 |
|
|
|
|
0.19 |
|
|
|
|
|
0.12 |
|
|
|
|
0.13 |
|
|
0.14 |
|
|
|
0.2 |
|