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 |
2001.04.12 |
2001.04.25 |
2001.05.16 |
2001.05.28 |
2001.06.06 |
2001.06.25 |
2001.07.09 |
2001.07.27 |
2001.08.07 |
2001.08.07 |
2001.08.07 |
2001.08.07 |
2001.08.29 |
2001.09.05 |
2001.09.19 |
2001.10.03 |
2001.10.24 |
2001.11.12 |
2001.11.21 |
2001.12.05 |
2001.12.19 |
2002.01.09 |
2002.01.25 |
2002.02.06 |
2002.02.20 |
2002.03.06 |
2002.03.13 |
採取時刻 |
1345 |
1025 |
1005 |
1350 |
1310 |
1000 |
1010 |
1415 |
0220 |
0820 |
1420 |
2020 |
1050 |
1410 |
1005 |
1340 |
1005 |
1010 |
1335 |
1325 |
1035 |
1410 |
1025 |
1320 |
1005 |
1010 |
1340 |
天候 |
雨 |
晴れ |
曇り |
曇り |
雨 |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雪 |
晴れ |
晴れ |
曇り |
雨 |
曇り |
気温 (℃) |
19.0 |
13.3 |
18.5 |
21.2 |
18.7 |
20.4 |
25.2 |
22.2 |
18.2 |
17.7 |
20.0 |
18.4 |
23.8 |
24.6 |
21.7 |
19.2 |
13.3 |
7.7 |
14.2 |
5.5 |
-0.6 |
-0.3 |
0.5 |
8.4 |
5.8 |
1.6 |
7.7 |
水温 (℃) |
10.0 |
9.1 |
14.3 |
18.0 |
17.9 |
17.5 |
20.8 |
22.0 |
19.1 |
18.9 |
18.5 |
18.1 |
20.9 |
21.1 |
18.0 |
16.0 |
14.0 |
8.2 |
8.2 |
5.9 |
1.8 |
2.0 |
2.3 |
4.8 |
3.0 |
3.8 |
5.0 |
流量 (m3/s) |
671.63 |
257.16 |
192.89 |
94.80 |
158.76 |
213.29 |
162.39 |
97.61 |
305.14 |
275.86 |
248.06 |
252.59 |
234.72 |
121.55 |
325.47 |
275.86 |
89.30 |
127.95 |
78.81 |
137.85 |
94.80 |
144.66 |
261.78 |
141.23 |
141.23 |
151.63 |
266.43 |
採取水深 (m) |
1.1 |
1.2 |
0.8 |
0.9 |
0.9 |
1.0 |
1.0 |
0.8 |
1.0 |
0.9 |
0.9 |
0.9 |
1.1 |
0.8 |
1.1 |
0.9 |
1.0 |
1.0 |
0.9 |
0.9 |
1.0 |
0.9 |
0.9 |
0.9 |
1.0 |
1.0 |
1.0 |
全水深 (m) |
5.3 |
5.8 |
4.1 |
4.3 |
4.5 |
5.2 |
4.9 |
4.2 |
4.9 |
4.7 |
4.6 |
4.5 |
5.3 |
4.2 |
5.5 |
4.7 |
5.0 |
5.0 |
4.3 |
4.4 |
4.9 |
4.3 |
4.8 |
4.5 |
5.1 |
5.0 |
4.8 |
外観 |
白濁 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
微茶濁 |
茶濁 |
無色澄明 |
濃白濁 |
濃白濁 |
濃白濁 |
濃白濁 |
茶濁 |
白濁 |
白濁 |
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 |
濃白濁 |
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 |
7.3 |
7.3 |
7.0 |
7.4 |
7.5 |
7.3 |
7.3 |
7.6 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.6 |
7.5 |
7.8 |
7.5 |
7.5 |
7.6 |
7.5 |
7.5 |
7.4 |
7.3 |
7.4 |
7.5 |
7.4 |
7.2 |
DO (mg/l) |
11.5 |
11.5 |
9.6 |
9.8 |
9.0 |
8.9 |
8.4 |
8.3 |
8.4 |
8.5 |
8.5 |
8.8 |
8.2 |
9.0 |
9.0 |
10.2 |
10.5 |
11.8 |
12.6 |
13.3 |
13.7 |
13.1 |
13.3 |
13.1 |
12.9 |
12.1 |
13.0 |
BOD (mg/l) |
1.8 |
1.1 |
1.6 |
1.2 |
1.2 |
1.5 |
1.3 |
1.0 |
0.5 |
0.6 |
0.7 |
0.5 |
1.0 |
0.9 |
0.8 |
0.9 |
1.5 |
1.0 |
1.3 |
1.1 |
1.1 |
1.7 |
1.1 |
1.7 |
1.4 |
1.6 |
1.2 |
COD (mg/l) |
2.4 |
|
|
3.1 |
3.1 |
|
|
2.6 |
|
|
2.3 |
|
|
2.7 |
|
2.4 |
|
|
2.4 |
2.6 |
|
3.2 |
|
2.2 |
|
|
2.5 |
SS (mg/l) |
23 |
6 |
10 |
6 |
11 |
10 |
14 |
8 |
16 |
14 |
15 |
13 |
10 |
6 |
9 |
3 |
3 |
3 |
2 |
4 |
3 |
5 |
16 |
4 |
4 |
5 |
7 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
3.3E+03 |
1.3E+04 |
7.9E+03 |
1.3E+04 |
4.9E+03 |
1.3E+05 |
7.9E+03 |
7.9E+03 |
3.3E+03 |
7.9E+03 |
7.9E+03 |
1.7E+05 |
4.9E+03 |
1.3E+04 |
7.9E+03 |
7.9E+03 |
7.9E+03 |
1.3E+04 |
1.3E+04 |
2.4E+04 |
2.4E+04 |
7.9E+03 |
4.9E+04 |
3.3E+03 |
7.9E+04 |
7.9E+03 |
全窒素 (mg/l) |
|
|
|
1.80 |
|
|
|
1.80 |
|
|
|
|
|
1.10 |
|
|
|
|
1.20 |
|
|
1.60 |
|
|
|
|
1.30 |
全燐 (mg/l) |
|
|
|
0.051 |
|
|
|
0.072 |
|
|
|
|
|
0.049 |
|
|
|
|
0.025 |
|
|
0.055 |
|
|
|
|
0.062 |
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 |
|
|
< 0.005 |
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
|
< 0.005 |
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 |
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 |
|
|
0.3 |
|
|
|
|
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) |
|
|
|
11 |
|
|
|
10 |
|
|
|
|
|
9 |
|
|
|
|
10 |
|
|
12 |
|
|
|
|
9 |
硫酸イオン (mg/l) |
|
|
|
19 |
|
|
|
18 |
|
|
|
|
|
18 |
|
|
|
|
20 |
|
|
17 |
|
|
|
|
14 |
酸度 (mg/l) |
|
|
|
3 |
|
|
|
3 |
|
|
|
|
|
2 |
|
|
|
|
3 |
|
|
3 |
|
|
|
|
4 |
アルカリ度 (mg/l) |
|
|
|
24 |
|
|
|
29 |
|
|
|
|
|
30 |
|
|
|
|
30 |
|
|
31 |
|
|
|
|
23 |
ほう素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
1.11 |
|
|
|
|
|
|
1.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|