測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01851 |
北上川(3) |
紫波橋 |
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 |
0920 |
0830 |
0840 |
0833 |
1358 |
0838 |
0840 |
0835 |
0000 |
0600 |
1200 |
1800 |
0830 |
0831 |
0830 |
0835 |
0830 |
0830 |
0830 |
0830 |
0835 |
0840 |
0830 |
0830 |
0840 |
0830 |
0905 |
天候 |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
気温 (℃) |
10 |
14.8 |
12.5 |
16.8 |
20 |
19.5 |
24 |
23.3 |
18.8 |
18 |
23.5 |
21.8 |
26 |
21 |
23.2 |
14.9 |
13 |
10.4 |
5.7 |
3.5 |
1.1 |
-0.2 |
2 |
-0.5 |
-0.9 |
2 |
1.8 |
水温 (℃) |
7 |
10.5 |
10.8 |
12.1 |
16.5 |
15.2 |
21 |
18 |
20 |
18.3 |
19.5 |
20.8 |
22.5 |
20 |
18.2 |
16.1 |
12.2 |
9.9 |
7.8 |
3 |
3.9 |
3.2 |
2.2 |
2.2 |
2.8 |
3 |
3.4 |
外観 |
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 |
無色澄明 |
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 |
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 |
7.1 |
7.3 |
7.1 |
7.3 |
7.1 |
7.4 |
7.2 |
7.3 |
7.3 |
7.5 |
7.4 |
7.4 |
7.6 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.2 |
7.2 |
7.3 |
7.3 |
7.3 |
7.4 |
7.3 |
DO (mg/l) |
12 |
11 |
11 |
10 |
10 |
9.6 |
8.6 |
9 |
8.2 |
8.2 |
9.2 |
8.8 |
7.6 |
8.3 |
8.3 |
9.1 |
10 |
11 |
11 |
12 |
12 |
12 |
12 |
13 |
13 |
13 |
12 |
BOD (mg/l) |
0.8 |
0.8 |
0.8 |
1 |
0.8 |
0.7 |
1.2 |
0.7 |
1 |
1.1 |
1.2 |
1.1 |
1 |
1.1 |
1.3 |
1.2 |
0.9 |
1.3 |
0.7 |
0.7 |
0.6 |
0.6 |
0.9 |
0.8 |
1 |
0.7 |
1.1 |
COD (mg/l) |
2.3 |
|
2 |
|
2.1 |
|
2.8 |
|
|
|
2.6 |
|
|
2.4 |
|
2.5 |
|
2.9 |
|
1.9 |
|
|
2 |
2 |
|
|
2.5 |
SS (mg/l) |
5 |
5 |
6 |
11 |
3 |
3 |
6 |
3 |
4 |
3 |
4 |
5 |
5 |
3 |
3 |
3 |
1 |
3 |
3 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
1.7E+02 |
1.7E+02 |
1.1E+03 |
1.3E+03 |
3.3E+02 |
1.7E+03 |
4.9E+03 |
2.2E+03 |
4.9E+03 |
3.3E+03 |
7.9E+02 |
4.9E+03 |
3.3E+04 |
1.1E+04 |
3.3E+03 |
2.4E+03 |
7.9E+02 |
1.3E+03 |
1.3E+03 |
7.9E+02 |
4.9E+02 |
7.9E+02 |
3.3E+02 |
1.1E+02 |
4.9E+02 |
1.7E+02 |
4.9E+02 |
全窒素 (mg/l) |
|
|
0.82 |
|
|
|
1.3 |
|
|
|
|
|
|
1.5 |
|
|
|
1.5 |
|
|
|
|
1.6 |
|
|
|
1.6 |
全燐 (mg/l) |
|
|
0.03 |
|
|
|
0.065 |
|
|
|
|
|
|
0.048 |
|
|
|
0.033 |
|
|
|
|
0.023 |
|
|
|
0.051 |
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 |
アルキル水銀 (mg/l) |
N |
|
N |
|
N |
|
N |
|
|
|
N |
|
|
N |
|
N |
|
N |
|
N |
|
|
N |
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 |
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
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) |
|
|
0.08 |
|
|
|
0.18 |
|
|
|
|
|
|
0.13 |
|
|
|
0.15 |
|
|
|
|
0.06 |
|
|
|
0.11 |
ふっ素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
|
|
0.1 |
|
|
|
0.1 |
|
|
|
|
|
|
0.2 |
|
|
|
0.3 |
|
|
|
|
0.4 |
|
|
|
0.3 |
透視度 |
> 100 |
> 100 |
> 100 |
74 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
78 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
6 |
|
|
|
8 |
|
|
|
|
|
|
8 |
|
|
|
10 |
|
|
|
|
8 |
|
|
|
11 |
硫酸イオン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
27 |
|
|
|
|
|
|
|
|
|
|
|
|
16 |
酸度 (mg/l) |
|
|
4 |
|
|
|
3.9 |
|
|
|
|
|
|
4.3 |
|
|
|
4.5 |
|
|
|
|
3.5 |
|
|
|
4 |
アルカリ度 (mg/l) |
|
|
16 |
|
|
|
30 |
|
|
|
|
|
|
39 |
|
|
|
36 |
|
|
|
|
32 |
|
|
|
32 |
ほう素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.66 |
|
|
|
|
|
|
|
|
|
|
|
|
0.97 |
|
|
|
|
|
|
|
|
|