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 |
1998.04.17 |
1998.04.27 |
1998.05.20 |
1998.05.27 |
1998.06.03 |
1998.06.17 |
1998.07.15 |
1998.07.22 |
1998.08.05 |
1998.08.29 |
1998.09.08 |
1998.09.08 |
1998.09.08 |
1998.09.08 |
1998.09.29 |
1998.10.07 |
1998.10.21 |
1998.11.04 |
1998.11.18 |
1998.12.02 |
1998.12.16 |
1999.01.13 |
1999.01.20 |
1999.02.03 |
1999.02.17 |
1999.03.03 |
1999.03.10 |
採取時刻 |
1050 |
1040 |
1100 |
1050 |
1030 |
1025 |
1040 |
1100 |
1100 |
1020 |
0110 |
0710 |
1310 |
1910 |
1036 |
1145 |
1042 |
1159 |
1040 |
1145 |
1010 |
1321 |
1010 |
1305 |
1104 |
1345 |
1010 |
天候 |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
雪 |
晴れ |
曇り |
曇り |
晴れ |
曇り |
気温 (℃) |
10.0 |
8.7 |
24.0 |
22.5 |
13.0 |
22.7 |
21.5 |
26.0 |
28.8 |
22.0 |
20.0 |
19.0 |
26.0 |
23.0 |
22.2 |
19.7 |
13.0 |
14.9 |
6.2 |
3.9 |
9.0 |
1.5 |
4.4 |
-0.5 |
8.7 |
9.0 |
3.5 |
水温 (℃) |
8.2 |
11.2 |
18.5 |
16.6 |
16.0 |
17.0 |
21.0 |
22.0 |
22.6 |
19.0 |
19.0 |
18.9 |
20.0 |
19.5 |
17.9 |
15.8 |
13.2 |
11.5 |
8.8 |
5.2 |
5.0 |
3.2 |
3.0 |
2.5 |
4.4 |
4.5 |
4.8 |
流量 (m3/s) |
389.56 |
304.47 |
188.52 |
265.85 |
134.21 |
304.47 |
137.55 |
103.12 |
294.57 |
3293.99 |
389.56 |
304.47 |
304.47 |
412.47 |
406.69 |
378.35 |
367.31 |
319.63 |
383.94 |
243.04 |
389.56 |
188.52 |
151.29 |
121.28 |
66.46 |
192.47 |
180.75 |
採取水深 (m) |
0.8 |
1.0 |
0.9 |
0.9 |
0.9 |
1.1 |
0.9 |
1.0 |
0.9 |
1.7 |
1.0 |
0.9 |
0.9 |
1.0 |
1.1 |
1.1 |
1.1 |
0.8 |
1.1 |
0.9 |
1.1 |
0.8 |
1.0 |
0.9 |
0.9 |
0.9 |
1.0 |
全水深 (m) |
4.0 |
5.0 |
4.5 |
4.8 |
4.5 |
5.4 |
4.7 |
5.0 |
4.7 |
8.5 |
5.0 |
4.5 |
4.5 |
4.8 |
5.3 |
5.4 |
5.5 |
4.2 |
5.5 |
4.7 |
5.5 |
4.2 |
5.0 |
4.7 |
4.6 |
4.5 |
5.0 |
外観 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
茶色 |
茶濁 |
無色澄明 |
無色澄明 |
微茶濁 |
茶色 |
微茶濁 |
微白濁 |
白濁 |
無色澄明 |
白濁 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
臭気 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.1 |
7.2 |
7.3 |
7.4 |
7.4 |
7.5 |
7.6 |
7.7 |
7.5 |
7.3 |
7.4 |
7.4 |
7.4 |
7.5 |
7.4 |
7.3 |
7.4 |
7.8 |
7.4 |
7.3 |
7.4 |
7.2 |
7.3 |
7.1 |
7.4 |
7.2 |
7.3 |
DO (mg/l) |
11.3 |
10.6 |
9.7 |
10.2 |
8.9 |
9.8 |
8.9 |
9.5 |
8.7 |
8.7 |
9.6 |
8.9 |
9.7 |
9.7 |
9.9 |
9.6 |
10.2 |
11.8 |
11.6 |
12.8 |
11.9 |
13.6 |
12.9 |
13.5 |
13.0 |
13.3 |
12.9 |
BOD (mg/l) |
0.8 |
1.3 |
1.2 |
1.1 |
1.1 |
1.3 |
0.8 |
1.4 |
0.9 |
1.3 |
1.0 |
0.6 |
0.5 |
< 0.5 |
0.6 |
< 0.5 |
0.5 |
0.5 |
0.9 |
0.5 |
0.8 |
1.7 |
0.9 |
1.0 |
1.1 |
0.8 |
< 0.5 |
COD (mg/l) |
2.4 |
|
3.1 |
|
2.9 |
|
|
2.9 |
|
9.3 |
|
|
1.2 |
|
|
2.2 |
|
1.6 |
|
2.0 |
|
1.9 |
|
2.0 |
|
2.2 |
|
SS (mg/l) |
7 |
8 |
9 |
8 |
3 |
7 |
3 |
1 |
6 |
166 |
6 |
5 |
11 |
6 |
11 |
6 |
7 |
3 |
13 |
9 |
22 |
4 |
5 |
3 |
4 |
13 |
6 |
大腸菌群数 (MPN/100ml) |
1.1E+04 |
7.0E+02 |
1.3E+05 |
7.9E+02 |
1.7E+04 |
2.1E+02 |
1.3E+05 |
7.9E+03 |
1.3E+04 |
1.1E+05 |
7.9E+03 |
1.3E+04 |
1.3E+04 |
1.3E+04 |
1.1E+04 |
1.7E+04 |
3.5E+04 |
7.9E+03 |
7.9E+03 |
1.7E+03 |
3.3E+04 |
1.1E+04 |
1.4E+03 |
1.1E+03 |
4.9E+02 |
7.0E+02 |
4.9E+03 |
全窒素 (mg/l) |
|
|
1.25 |
|
|
|
|
1.11 |
|
|
|
|
1.30 |
|
|
|
|
0.94 |
|
|
|
|
|
|
|
1.36 |
|
全燐 (mg/l) |
|
|
0.062 |
|
|
|
|
0.059 |
|
|
|
|
0.049 |
|
|
|
|
0.050 |
|
|
|
|
|
|
|
0.065 |
|
カドミウム (mg/l) |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
< 0.001 |
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
全シアン (mg/l) |
|
N |
|
N |
|
N |
N |
|
N |
|
|
|
|
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
鉛 (mg/l) |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
|
|
|
0.007 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
六価クロム (mg/l) |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
< 0.04 |
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
砒素 (mg/l) |
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
< 0.002 |
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
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) |
|
|
0.1 |
|
|
|
|
0.1 |
|
|
|
|
0.2 |
|
|
|
|
0.1 |
|
|
|
< 0.1 |
|
|
|
0.2 |
|
アンモニア性窒素 (mg/l) |
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
< 0.1 |
|
|
|
|
< 0.1 |
|
|
|
0.2 |
|
|
|
0.2 |
|
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
7.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
10 |
|
|
|
|
11 |
|
|
|
|
7 |
|
|
|
|
8 |
|
|
|
9 |
|
|
|
10 |
|
硫酸イオン (mg/l) |
|
|
18 |
|
|
|
|
20 |
|
|
|
|
12 |
|
|
|
|
15 |
|
|
|
19 |
|
|
|
15 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
3 |
|
|
|
|
3 |
|
|
|
|
3 |
|
|
|
2 |
|
|
|
4 |
|
アルカリ度 (mg/l) |
|
|
22 |
|
|
|
|
28 |
|
|
|
|
28 |
|
|
|
|
26 |
|
|
|
28 |
|
|
|
27 |
|