測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 50201 |
岩洞ダム貯水池 |
Ｌ‐１（ダムサイト） |
A |
測定結果
| 採取年月日 |
1989.05.24 |
1989.05.24 |
1989.05.24 |
1989.06.21 |
1989.06.21 |
1989.06.21 |
1989.07.05 |
1989.07.05 |
1989.07.05 |
1989.08.02 |
1989.08.02 |
1989.08.02 |
1989.09.06 |
1989.09.06 |
1989.09.06 |
1989.10.04 |
1989.10.04 |
1989.10.04 |
| 採取時刻 |
1030 |
1030 |
1030 |
1030 |
1030 |
1030 |
1035 |
1035 |
1035 |
1005 |
1005 |
1005 |
1030 |
1030 |
1030 |
1025 |
1025 |
1025 |
| 天候 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
| 気温 (℃) |
20 |
20 |
20 |
13 |
13 |
13 |
18 |
18 |
18 |
24.5 |
24.5 |
24.5 |
18 |
18 |
18 |
11.8 |
11.8 |
11.8 |
| 水温 (℃) |
13.5 |
11.6 |
8.6 |
15.2 |
13.2 |
18.5 |
15 |
12.5 |
9.7 |
20 |
15.5 |
11.5 |
20.5 |
9.9 |
10 |
14.5 |
13.8 |
9.8 |
| 採取水深 (m) |
0 |
10 |
20 |
0 |
10 |
20 |
0 |
10 |
18 |
0 |
7 |
14 |
0 |
6 |
12 |
0 |
8 |
17 |
| 全水深 (m) |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
20.0 |
20.0 |
20.0 |
15.0 |
15.0 |
15.0 |
15.0 |
15.0 |
15.0 |
20.0 |
20.0 |
20.0 |
| pH |
7.2 |
7.1 |
6.9 |
7.2 |
7 |
6.6 |
7.5 |
6.9 |
6.7 |
7.5 |
7.3 |
6.6 |
7.3 |
6.7 |
6.5 |
6.7 |
6.7 |
6.1 |
| DO (mg/l) |
10 |
10 |
10 |
9.8 |
9.5 |
8.9 |
8.9 |
9.2 |
8.9 |
7.7 |
9.6 |
7.8 |
8.3 |
7.9 |
6.7 |
9.2 |
9.1 |
5.3 |
| COD (mg/l) |
3 |
1.8 |
1.3 |
1.9 |
2.3 |
1.5 |
1.6 |
1.4 |
1 |
2.2 |
3.9 |
1.9 |
2.3 |
2.6 |
1.3 |
2.4 |
4.1 |
2.4 |
| SS (mg/l) |
2 |
2 |
2 |
1 |
1 |
1 |
2 |
1 |
1 |
1 |
3 |
1 |
4 |
3 |
3 |
1 |
2 |
2 |
| 大腸菌群数 (MPN/100ml) |
4.5E+00 |
|
|
0.0E+00 |
|
|
4.5E+00 |
|
|
4.9E+01 |
|
|
4.9E+01 |
|
|
1.7E+01 |
|
|
| 全窒素 (mg/l) |
0.41 |
|
|
0.21 |
|
|
0.46 |
|
|
0.08 |
|
|
0.15 |
|
|
0.18 |
|
|
| 全燐 (mg/l) |
0.008 |
|
|
0.004 |
|
|
0.003 |
|
|
0.005 |
|
|
0.008 |
|
|
0.005 |
|
|