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 |
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 |
1990.08.08 |
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 |
1045 |
1140 |
1155 |
1045 |
1130 |
1030 |
1045 |
1220 |
1225 |
1825 |
0025 |
0625 |
1105 |
1130 |
1040 |
1140 |
1050 |
1045 |
1250 |
1155 |
1050 |
1210 |
1035 |
1150 |
1040 |
1205 |
1035 |
天候 |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
気温 (℃) |
17.4 |
15.1 |
18.4 |
13.6 |
21.5 |
25.1 |
19.4 |
31.8 |
33.5 |
27 |
25 |
24.5 |
29.5 |
26.3 |
28.9 |
21.2 |
14.5 |
16.4 |
3.8 |
9.3 |
3.9 |
3.5 |
0.3 |
0.7 |
-1.2 |
1.1 |
11.7 |
水温 (℃) |
11.5 |
9.7 |
12.8 |
13.3 |
17.7 |
18.5 |
17.4 |
22 |
27.5 |
28 |
26.1 |
24.9 |
22.5 |
23.1 |
19.3 |
17 |
12.3 |
9.5 |
8 |
7.4 |
5.1 |
2.6 |
2 |
1.7 |
2 |
2.5 |
4 |
流量 (m3/s) |
308.1 |
359.9 |
274.3 |
106.8 |
89.0 |
208.5 |
155.2 |
184.7 |
87.3 |
106.8 |
112.7 |
125.1 |
246.9 |
138.1 |
328.4 |
158.7 |
92.7 |
444.9 |
365.3 |
333.5 |
225.2 |
121.9 |
109.7 |
67.4 |
121.9 |
162.3 |
208.5 |
pH |
7.2 |
7.3 |
7.3 |
7.4 |
7.6 |
7.3 |
7.4 |
7.4 |
8.8 |
9.1 |
7.6 |
7.4 |
7.4 |
7.8 |
7.4 |
7.4 |
7.8 |
7.2 |
7.3 |
7.1 |
7.2 |
7.4 |
7.2 |
7.3 |
7.2 |
7.3 |
7.2 |
DO (mg/l) |
11.6 |
11.3 |
10.4 |
10 |
10.6 |
9.1 |
9.3 |
8.5 |
11.3 |
10.7 |
7.6 |
6.9 |
8.5 |
8.9 |
9 |
8.5 |
11 |
10.9 |
10.8 |
12 |
12.2 |
11.9 |
13.5 |
12.6 |
12.9 |
12.5 |
11.4 |
BOD (mg/l) |
1.3 |
1.2 |
1.4 |
1.6 |
1.9 |
1.4 |
2.4 |
0.6 |
1.5 |
1.8 |
1.6 |
1.9 |
1.1 |
1.3 |
2.3 |
0.6 |
1.2 |
0.7 |
1.4 |
0.7 |
3.6 |
1 |
1.5 |
1 |
1.2 |
2.8 |
1.7 |
COD (mg/l) |
|
2.8 |
2.8 |
|
2.9 |
|
|
2.4 |
2.4 |
|
|
|
|
2.7 |
|
1.9 |
|
|
3.5 |
1.7 |
|
2 |
|
2.8 |
|
3.9 |
|
SS (mg/l) |
12 |
15 |
15 |
5 |
9 |
14 |
5 |
13 |
2 |
2 |
2 |
4 |
7 |
6 |
11 |
6 |
2 |
9 |
22 |
8 |
5 |
8 |
6 |
4 |
8 |
36 |
20 |
大腸菌群数 (MPN/100ml) |
1.1E+04 |
7.0E+04 |
1.3E+04 |
1.4E+03 |
1.3E+03 |
1.3E+04 |
1.3E+04 |
1.3E+03 |
3.3E+03 |
2.2E+03 |
2.4E+04 |
1.3E+04 |
3.3E+03 |
4.9E+03 |
1.3E+03 |
4.9E+03 |
2.8E+03 |
2.2E+03 |
1.3E+04 |
1.3E+03 |
7.9E+02 |
1.1E+03 |
3.5E+03 |
7.9E+03 |
7.9E+05 |
7.9E+03 |
4.9E+03 |
全窒素 (mg/l) |
|
|
1.06 |
|
|
|
|
1.33 |
|
|
|
|
|
0.92 |
|
|
|
|
1.05 |
|
|
1.04 |
|
|
|
1.45 |
|
全燐 (mg/l) |
|
|
0.107 |
|
|
|
|
0.092 |
|
|
|
|
|
0.057 |
|
|
|
|
0.081 |
|
|
0.065 |
|
|
|
0.096 |
|
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) |
|
|
0.28 |
|
|
|
|
0.2 |
|
|
|
|
|
0.09 |
|
|
|
|
0.23 |
|
|
0.09 |
|
|
|
0.2 |
|