測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01901 |
北上川(4) |
千歳橋(狐禅寺) |
A |
測定結果
採取年月日 |
2006.04.19 |
2006.04.26 |
2006.05.10 |
2006.05.24 |
2006.06.04 |
2006.06.14 |
2006.07.12 |
2006.07.25 |
2006.08.01 |
2006.08.01 |
2006.08.01 |
2006.08.01 |
2006.08.25 |
2006.09.06 |
2006.09.20 |
2006.10.04 |
2006.10.26 |
2006.11.08 |
2006.11.22 |
2006.12.06 |
2006.12.20 |
2007.01.10 |
2007.01.24 |
2007.02.14 |
2007.02.21 |
2007.03.01 |
2007.03.14 |
採取時刻 |
0915 |
0940 |
0940 |
1105 |
0930 |
1115 |
0940 |
1110 |
0000 |
0600 |
1200 |
1800 |
1130 |
1030 |
1120 |
0930 |
1115 |
1035 |
1115 |
0920 |
1100 |
1100 |
1010 |
0945 |
1140 |
1115 |
0930 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
雪 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
10.5 |
11.5 |
11 |
19.9 |
18 |
21.7 |
28 |
27.7 |
18.1 |
17.9 |
22.5 |
20 |
30.9 |
23 |
25.7 |
19 |
17.7 |
16 |
10.8 |
5.2 |
3.6 |
3.9 |
5.3 |
0.0 |
7.6 |
5.5 |
4.5 |
水温 (℃) |
7 |
7 |
10 |
14.8 |
16 |
17.2 |
20.5 |
19.5 |
21 |
20 |
20.5 |
20.3 |
25.5 |
22 |
20.5 |
17 |
13 |
12 |
9.5 |
5.5 |
4.7 |
4.4 |
3.7 |
2.5 |
5 |
4.5 |
3 |
外観 |
無色澄明 |
淡灰色 |
茶色 |
淡灰色 |
無色澄明 |
無色澄明 |
無色澄明 |
淡灰色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
淡灰色 |
無色澄明 |
淡灰色 |
無色澄明 |
淡灰色 |
無色澄明 |
無色澄明 |
淡灰色 |
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 |
7.1 |
7.1 |
7.2 |
7.2 |
7.4 |
7.2 |
7.5 |
7.4 |
7.4 |
7.4 |
7.5 |
7.8 |
7.6 |
7.6 |
7.4 |
7.6 |
7.3 |
7.4 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
7.7 |
7.3 |
DO (mg/l) |
11.9 |
11.6 |
10.9 |
10.2 |
9.7 |
9.3 |
8.6 |
9 |
8.9 |
8.6 |
8.7 |
9.2 |
7.8 |
8.8 |
8.8 |
9 |
10.5 |
11.1 |
11.3 |
12.6 |
13.4 |
13.1 |
13.4 |
13.4 |
13.7 |
13.6 |
13.2 |
BOD (mg/l) |
0.8 |
0.8 |
0.9 |
1.3 |
1 |
1 |
1 |
0.7 |
1 |
1 |
1.1 |
1 |
1.4 |
1.3 |
1.5 |
1.1 |
1.1 |
1.1 |
1.1 |
0.7 |
0.7 |
0.8 |
0.8 |
1 |
1.1 |
1.2 |
1 |
COD (mg/l) |
2.3 |
|
2.5 |
|
2.5 |
|
2.8 |
|
|
|
3.1 |
|
|
3 |
|
3.1 |
|
2.6 |
|
2.2 |
|
|
1.9 |
2.3 |
|
|
2.4 |
SS (mg/l) |
6 |
12 |
14 |
13 |
6 |
6 |
8 |
7 |
6 |
6 |
6 |
5 |
10 |
7 |
11 |
7 |
5 |
2 |
7 |
2 |
1 |
5 |
3 |
4 |
3 |
5 |
5 |
大腸菌群数 (MPN/100ml) |
3.3E+02 |
7.9E+02 |
1.1E+03 |
3.3E+03 |
3.3E+03 |
3.3E+03 |
1.7E+03 |
1.1E+03 |
1.3E+03 |
3.3E+03 |
1.1E+03 |
1.3E+03 |
7.9E+03 |
3.3E+03 |
2.2E+03 |
2.4E+03 |
3.3E+03 |
1.1E+03 |
1.7E+03 |
1.1E+03 |
1.3E+03 |
4.9E+02 |
2.3E+02 |
7.9E+03 |
2.7E+02 |
4.9E+02 |
2.2E+02 |
全窒素 (mg/l) |
|
|
0.78 |
|
|
|
1 |
|
|
|
|
|
|
1 |
|
|
|
0.88 |
|
|
|
|
0.9 |
|
|
|
1.2 |
全燐 (mg/l) |
|
|
0.061 |
|
|
|
0.077 |
|
|
|
|
|
|
0.066 |
|
|
|
0.063 |
|
|
|
|
0.043 |
|
|
|
0.053 |
カドミウム (mg/l) |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
PCB (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
亜鉛 (mg/l) |
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
|
|
< 0.01 |
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
|
0.01 |
< 0.01 |
|
|
< 0.01 |
鉄(溶解性) (mg/l) |
|
|
0.2 |
|
|
|
0.1 |
|
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
0.3 |
|
|
|
< 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 |
|
|
|
|
0.1 |
|
|
|
0.1 |
透視度 |
> 100 |
86 |
50 |
57 |
> 100 |
> 100 |
> 100 |
75 |
> 100 |
> 100 |
> 100 |
> 100 |
60 |
> 100 |
79 |
> 100 |
87 |
> 100 |
76 |
> 100 |
> 100 |
89 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
7 |
|
|
|
9 |
|
|
|
|
|
|
12 |
|
|
|
10 |
|
|
|
|
8 |
|
|
|
14 |
硫酸イオン (mg/l) |
|
|
9 |
|
|
|
13 |
|
|
|
|
|
|
21 |
|
|
|
18 |
|
|
|
|
12 |
|
|
|
13 |
酸度 (mg/l) |
|
|
3.5 |
|
|
|
3.9 |
|
|
|
|
|
|
2.5 |
|
|
|
2.3 |
|
|
|
|
2.5 |
|
|
|
3.4 |
アルカリ度 (mg/l) |
|
|
15 |
|
|
|
26 |
|
|
|
|
|
|
36 |
|
|
|
32 |
|
|
|
|
23 |
|
|
|
26 |
ほう素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.59 |
|
|
|
|
|
|
|
|
|
|
|
|
0.85 |
|
|
|
|
|
|
|
|
|