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 |
2002.04.10 |
2002.04.17 |
2002.05.01 |
2002.05.15 |
2002.06.05 |
2002.06.19 |
2002.07.03 |
2002.07.30 |
2002.08.27 |
2002.08.27 |
2002.08.27 |
2002.08.27 |
2002.08.30 |
2002.09.10 |
2002.09.25 |
2002.10.09 |
2002.10.17 |
2002.11.06 |
2002.11.20 |
2002.12.04 |
2002.12.11 |
2003.01.08 |
2003.01.15 |
2003.02.05 |
2003.02.12 |
2003.03.05 |
2003.03.12 |
採取時刻 |
1325 |
1020 |
1020 |
1400 |
1410 |
1012 |
1020 |
1400 |
0220 |
0820 |
1420 |
2020 |
1205 |
1345 |
1010 |
1010 |
1335 |
1345 |
1015 |
1205 |
1005 |
1020 |
1405 |
1005 |
1325 |
1045 |
1255 |
天候 |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
雨 |
雨 |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
雪 |
晴れ |
曇り |
晴れ |
雪 |
雪 |
晴れ |
気温 (℃) |
10.7 |
22.3 |
16.9 |
21.8 |
23.1 |
22.4 |
21.3 |
30.8 |
19.8 |
20.8 |
28.8 |
24.2 |
31.0 |
28.3 |
18.7 |
18.3 |
21.3 |
8.7 |
5.7 |
2.0 |
-1.6 |
-0.5 |
-2.8 |
-4.6 |
-2.6 |
2.5 |
4.2 |
水温 (℃) |
8.2 |
10.8 |
11.0 |
16.3 |
18.7 |
17.5 |
18.4 |
24.0 |
18.9 |
18.9 |
20.5 |
20.3 |
22.2 |
22.0 |
16.5 |
15.8 |
16.1 |
9.0 |
5.8 |
5.2 |
3.0 |
2.0 |
2.0 |
1.8 |
3.2 |
2.0 |
3.8 |
流量 (m3/s) |
514.05 |
618.52 |
202.35 |
180.72 |
116.34 |
168.33 |
189.22 |
180.72 |
432.23 |
351.86 |
400.34 |
387.96 |
259.23 |
148.66 |
133.81 |
259.23 |
202.35 |
254.22 |
244.35 |
234.67 |
239.49 |
126.67 |
172.41 |
168.33 |
152.50 |
239.49 |
202.35 |
採取水深 (m) |
1.0 |
0.9 |
1.0 |
0.9 |
0.9 |
1.1 |
1.1 |
0.9 |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
0.9 |
1.1 |
1.2 |
0.9 |
1.0 |
1.1 |
0.9 |
1.1 |
1.0 |
0.9 |
1.1 |
0.9 |
1.1 |
0.9 |
全水深 (m) |
5.1 |
4.5 |
5.1 |
4.6 |
4.5 |
5.3 |
5.3 |
4.7 |
5.1 |
5.0 |
5.2 |
5.1 |
4.9 |
4.7 |
5.3 |
5.8 |
4.8 |
4.8 |
5.3 |
4.7 |
5.4 |
5.2 |
4.3 |
5.3 |
4.6 |
5.3 |
4.7 |
外観 |
白濁 |
白濁 |
濃白濁 |
白濁 |
無色澄明 |
微茶濁 |
微茶濁 |
無色澄明 |
白濁 |
白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
茶濁 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
7.2 |
7.2 |
7.2 |
7.1 |
8.7 |
7.4 |
7.4 |
8.3 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
8.0 |
7.4 |
7.4 |
7.5 |
7.3 |
7.3 |
7.3 |
7.4 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.7 |
DO (mg/l) |
11.7 |
11.1 |
10.6 |
10.2 |
11.5 |
8.9 |
8.7 |
10.1 |
8.8 |
8.8 |
9.0 |
8.8 |
8.7 |
10.8 |
9.6 |
9.5 |
9.9 |
11.7 |
12.3 |
12.2 |
12.8 |
13.6 |
14.8 |
13.8 |
14.1 |
13.7 |
14.2 |
BOD (mg/l) |
0.7 |
0.7 |
1.2 |
1.1 |
1.9 |
1.5 |
2.0 |
1.8 |
0.7 |
0.8 |
0.6 |
0.6 |
0.5 |
1.2 |
1.3 |
0.7 |
0.8 |
0.8 |
0.8 |
0.9 |
0.9 |
1.5 |
1.6 |
1.4 |
1.2 |
1.4 |
1.1 |
COD (mg/l) |
2.0 |
|
|
3.2 |
3.2 |
|
|
2.4 |
|
|
1.9 |
|
|
2.4 |
|
|
2.6 |
1.8 |
|
2.2 |
|
|
3.3 |
|
3.4 |
|
2.4 |
SS (mg/l) |
8 |
10 |
12 |
8 |
6 |
10 |
18 |
2 |
10 |
8 |
9 |
9 |
5 |
3 |
4 |
13 |
10 |
4 |
2 |
4 |
2 |
3 |
6 |
4 |
5 |
6 |
5 |
大腸菌群数 (MPN/100ml) |
7.9E+02 |
4.9E+02 |
7.9E+03 |
7.9E+04 |
2.2E+05 |
4.9E+03 |
1.1E+04 |
1.7E+04 |
1.3E+04 |
7.9E+03 |
1.3E+04 |
7.9E+03 |
2.4E+04 |
2.2E+04 |
2.4E+04 |
3.3E+03 |
1.3E+04 |
7.9E+03 |
7.9E+04 |
3.3E+04 |
1.3E+04 |
7.9E+04 |
7.9E+03 |
2.4E+04 |
7.9E+03 |
1.1E+04 |
2.4E+03 |
全窒素 (mg/l) |
|
|
|
1.01 |
|
|
|
1.30 |
|
|
|
|
|
0.99 |
|
|
|
0.85 |
|
|
|
|
1.34 |
|
|
|
1.18 |
全燐 (mg/l) |
|
|
|
0.079 |
|
|
|
0.034 |
|
|
|
|
|
0.037 |
|
|
|
0.029 |
|
|
|
|
0.067 |
|
|
|
0.042 |
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) |
< 0.002 |
|
|
< 0.002 |
< 0.002 |
|
|
< 0.002 |
|
|
< 0.002 |
|
|
0.005 |
|
|
< 0.002 |
< 0.002 |
|
< 0.002 |
|
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
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) |
< 0.001 |
|
|
< 0.001 |
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
< 0.001 |
|
< 0.001 |
|
|
< 0.001 |
|
< 0.001 |
|
0.001 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
< 0.1 |
|
|
|
0.1 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
|
|
|
0.1 |
|
|
|
< 0.1 |
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
0.2 |
|
|
|
0.1 |
透視度 |
> 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 |
> 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) |
|
|
|
9 |
|
|
|
10 |
|
|
|
|
|
9 |
|
|
|
7 |
|
|
|
|
11 |
|
|
|
10 |
硫酸イオン (mg/l) |
|
|
|
16 |
|
|
|
16 |
|
|
|
|
|
17 |
|
|
|
13 |
|
|
|
|
16 |
|
|
|
17 |
酸度 (mg/l) |
|
|
|
3 |
|
|
|
1 |
|
|
|
|
|
1 |
|
|
|
4 |
|
|
|
|
3 |
|
|
|
2 |
アルカリ度 (mg/l) |
|
|
|
18 |
|
|
|
29 |
|
|
|
|
|
29 |
|
|
|
22 |
|
|
|
|
28 |
|
|
|
30 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.76 |
|
|
|
|
|
|
0.90 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|