測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01951 |
北上川(4) |
金ヶ崎橋 |
A |
測定結果
採取年月日 |
1991.04.26 |
1991.04.30 |
1991.05.08 |
1991.05.22 |
1991.06.05 |
1991.06.19 |
1991.07.16 |
1991.07.30 |
1991.08.14 |
1991.08.14 |
1991.08.14 |
1991.08.15 |
1991.08.21 |
1991.09.11 |
1991.09.18 |
1991.10.02 |
1991.10.23 |
1991.11.06 |
1991.11.20 |
1991.12.04 |
1991.12.18 |
1992.01.08 |
1992.01.22 |
1992.02.05 |
1992.02.19 |
1992.03.04 |
1992.03.09 |
採取時刻 |
1130 |
1030 |
1155 |
1030 |
1210 |
1050 |
1050 |
1200 |
1110 |
1710 |
2310 |
0510 |
1100 |
1025 |
1150 |
1125 |
1030 |
1140 |
1040 |
1135 |
1040 |
1205 |
1030 |
1130 |
1045 |
1210 |
1025 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
雨 |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
雪 |
晴れ |
晴れ |
気温 (℃) |
18.5 |
20.2 |
20.6 |
19.5 |
24.8 |
27.5 |
19.0 |
24.0 |
28.9 |
27.4 |
19.8 |
20.2 |
25.7 |
20.1 |
20.4 |
20.0 |
13.6 |
11.1 |
10.1 |
8.8 |
6.5 |
6.9 |
2.0 |
2.1 |
-0.4 |
3.1 |
4.9 |
水温 (℃) |
9.9 |
11.0 |
15.0 |
18.0 |
18.2 |
20.0 |
18.0 |
18.0 |
20.8 |
21.5 |
20.7 |
19.9 |
22.1 |
19.3 |
16.5 |
15.9 |
12.0 |
9.0 |
7.5 |
10.3 |
5.1 |
4.1 |
3.0 |
2.6 |
2.0 |
3.0 |
3.8 |
流量 (m3/s) |
318.58 |
245.05 |
79.64 |
96.08 |
101.90 |
154.64 |
169.54 |
313.38 |
189.13 |
173.37 |
214.04 |
185.12 |
205.56 |
133.58 |
214.04 |
143.92 |
193.17 |
93.24 |
169.54 |
240.50 |
140.43 |
189.13 |
62.41 |
53.51 |
62.41 |
77.05 |
67.12 |
pH |
7.1 |
7.1 |
7.1 |
7.4 |
7.7 |
7.4 |
7.4 |
7.4 |
7.4 |
7.5 |
7.5 |
7.4 |
7.5 |
7.4 |
7.4 |
7.5 |
7.3 |
7.4 |
7.3 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
7.3 |
7.5 |
7.4 |
DO (mg/l) |
11 |
11 |
10 |
9.4 |
10 |
8.9 |
8.9 |
9 |
9.6 |
9.4 |
8.5 |
8.7 |
8.3 |
8.6 |
9.8 |
9.9 |
10 |
12 |
11 |
12 |
12 |
12 |
13 |
14 |
13 |
14 |
13 |
BOD (mg/l) |
0.5 |
0.9 |
1.5 |
1.8 |
1.7 |
1.4 |
1 |
1.3 |
1.1 |
1.1 |
1.2 |
1 |
2.2 |
1.3 |
1.1 |
1.1 |
0.9 |
1.3 |
2.3 |
1 |
1.4 |
3.3 |
1.8 |
1.5 |
1.9 |
1.8 |
1.7 |
COD (mg/l) |
2.5 |
|
3.4 |
|
3 |
|
|
2 |
2 |
|
|
|
|
|
2.3 |
2.8 |
|
2 |
|
1.9 |
|
4.6 |
|
3 |
|
2.6 |
|
SS (mg/l) |
13 |
16 |
11 |
9 |
4 |
13 |
12 |
10 |
4 |
3 |
3 |
3 |
25 |
5 |
8 |
9 |
6 |
2 |
20 |
4 |
5 |
26 |
4 |
7 |
6 |
7 |
6 |
大腸菌群数 (MPN/100ml) |
1.3E+03 |
4.9E+03 |
7.9E+02 |
1.3E+04 |
7.9E+03 |
3.3E+04 |
1.3E+04 |
7.9E+03 |
3.3E+03 |
1.3E+03 |
7.9E+03 |
4.9E+03 |
1.3E+04 |
7.9E+03 |
1.3E+04 |
3.3E+04 |
3.5E+03 |
4.9E+02 |
1.4E+03 |
2.8E+04 |
1.1E+03 |
2.2E+03 |
1.3E+03 |
3.3E+02 |
1.3E+03 |
7.9E+03 |
4.9E+03 |
全窒素 (mg/l) |
|
|
1.67 |
|
|
|
|
0.38 |
|
|
|
|
|
|
1.15 |
|
|
1.1 |
|
|
|
1.44 |
|
|
|
1.3 |
|
全燐 (mg/l) |
|
|
0.139 |
|
|
|
|
0.055 |
|
|
|
|
|
|
0.053 |
|
|
0.054 |
|
|
|
0.15 |
|
|
|
0.058 |
|
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 |
|
< 0 |
|
< 0 |
< 0 |
|
|
|
|
|
< 0 |
< 0 |
|
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
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) |
|
|
2.3 |
|
|
|
|
1.3 |
|
|
|
|
|
|
1.3 |
|
|
1.3 |
|
|
|
4.5 |
|
|
|
2.1 |
|