測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 04801 |
簗川 |
簗川橋 |
A |
測定結果
| 採取年月日 |
2005.04.20 |
2005.05.12 |
2005.06.08 |
2005.07.14 |
2005.08.11 |
2005.09.09 |
2005.10.06 |
2005.11.10 |
2005.12.08 |
2006.01.23 |
2006.02.08 |
2006.03.08 |
| 採取時刻 |
1054 |
1141 |
1046 |
1202 |
1027 |
1155 |
1119 |
1044 |
1140 |
1335 |
1047 |
1350 |
| 天候 |
曇り |
曇り |
曇り |
曇り |
晴れ |
快晴 |
快晴 |
快晴 |
晴れ |
晴れ |
曇り |
晴れ |
| 気温 (℃) |
10.7 |
14 |
20.2 |
18.3 |
28.5 |
24.3 |
18.1 |
12 |
4.7 |
-3 |
0.9 |
6.8 |
| 水温 (℃) |
7.3 |
11.4 |
16.1 |
14.9 |
23.8 |
20.7 |
14.7 |
8.6 |
3.5 |
0.6 |
1 |
7 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 外観 |
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 |
| pH |
7.1 |
7.3 |
7.6 |
7.4 |
7.9 |
7.5 |
7.3 |
7.2 |
7.3 |
7.2 |
7.2 |
7.3 |
| DO (mg/l) |
|
11 |
|
10 |
|
9.6 |
|
11 |
|
14 |
|
12 |
| BOD (mg/l) |
|
0.7 |
|
0.5 |
|
0.5 |
|
0.5 |
|
0.5 |
|
0.5 |
| SS (mg/l) |
2 |
2 |
1 |
3 |
2 |
3 |
2 |
1 |
1 |
3 |
3 |
2 |
| 大腸菌群数 (MPN/100ml) |
|
3500 |
|
16000 |
|
7900 |
|
490 |
|
700 |
|
790 |
| 全窒素 (mg/l) |
|
0.62 |
|
0.71 |
|
0.73 |
|
0.87 |
|
0.78 |
|
1.1 |
| 全燐 (mg/l) |
|
0.006 |
|
0.032 |
|
0.017 |
|
0.01 |
|
0.01 |
|
0.006 |
| カドミウム (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| 全シアン (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
| 鉛 (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| 六価クロム (mg/l) |
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
| 砒素 (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| 総水銀 (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| アルキル水銀 (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
| PCB (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| ジクロロメタン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| 四塩化炭素 (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
| 1,2-ジクロロエタン (mg/l) |
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
| 1,1-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
| 1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| 1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
| トリクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| テトラクロロエチレン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| 1,3-ジクロロプロペン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
| チウラム (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
| シマジン (mg/l) |
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
| チオベンカルブ (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| セレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| ふっ素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
|
> 30 |
> 30 |
> 30 |
| 塩化物イオン (mg/l) |
|
3.4 |
|
2.9 |
|
2.4 |
|
4 |
|
5.4 |
|
8.8 |
| ほう素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
| 硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.5 |
|
|
|
|
|
|
|