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 |
1991.05.30 |
1991.05.30 |
1991.05.30 |
1991.06.06 |
1991.06.06 |
1991.06.06 |
1991.07.18 |
1991.07.18 |
1991.07.18 |
1991.08.07 |
1991.08.07 |
1991.08.07 |
1991.09.18 |
1991.09.18 |
1991.09.18 |
1991.10.30 |
1991.10.30 |
1991.10.30 |
| 採取時刻 |
1002 |
1002 |
1002 |
1015 |
1015 |
1015 |
1010 |
1010 |
1010 |
1005 |
1005 |
1005 |
1016 |
1016 |
1016 |
1020 |
1020 |
1020 |
| 天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
| 気温 (℃) |
14.7 |
14.7 |
14.7 |
20.0 |
20.0 |
20.0 |
21.5 |
21.5 |
21.5 |
22.5 |
22.5 |
22.5 |
21.0 |
21.0 |
21.0 |
12.0 |
12.0 |
12.0 |
| 水温 (℃) |
14.9 |
11.8 |
9.1 |
17.6 |
12.5 |
9.2 |
18.4 |
16.4 |
9.8 |
19.8 |
15.7 |
8.6 |
18.5 |
15.0 |
8.2 |
11.0 |
11.0 |
10.7 |
| 採取水深 (m) |
0.0 |
11.0 |
20.0 |
0.0 |
11.0 |
20.0 |
0.0 |
11.0 |
20.0 |
0.0 |
11.0 |
20.0 |
0.0 |
11.0 |
20.0 |
0.0 |
12.0 |
22.0 |
| 全水深 (m) |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
22.0 |
24.0 |
24.0 |
24.0 |
| 透明度 (m) |
6.000 |
6.000 |
6.000 |
8.000 |
8.000 |
8.000 |
4.000 |
4.000 |
4.000 |
|
|
|
3.000 |
3.000 |
3.000 |
4.000 |
4.000 |
4.000 |
| pH |
7 |
6.8 |
6.6 |
7 |
7 |
6.6 |
7.1 |
6.9 |
6.5 |
7.2 |
7 |
6.5 |
7.2 |
6.9 |
6.4 |
6.8 |
7 |
7 |
| DO (mg/l) |
9.8 |
9.9 |
9.9 |
9.6 |
9.8 |
9.6 |
9.2 |
9.1 |
6.9 |
8.6 |
8.9 |
5.8 |
9.1 |
7.9 |
6.8 |
9.3 |
9.6 |
9.8 |
| COD (mg/l) |
1.4 |
1.4 |
1.2 |
1.4 |
1.7 |
1.4 |
1.8 |
1.4 |
1.2 |
2.2 |
2 |
4 |
2.4 |
1.9 |
1.4 |
0.6 |
0.9 |
2.3 |
| SS (mg/l) |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
1 |
1 |
4 |
1 |
1 |
1 |
1 |
1 |
< 1 |
1 |
2 |
3 |
| 大腸菌群数 (MPN/100ml) |
0. E+00 |
|
|
0. E+00 |
|
|
3.3E+01 |
|
|
1.1E+01 |
|
|
3.3E+01 |
|
|
4.0E+00 |
|
|
| 全窒素 (mg/l) |
0.18 |
|
|
0.14 |
|
|
0.12 |
|
|
0.13 |
|
|
0.15 |
|
|
0.21 |
|
|
| 全燐 (mg/l) |
< 0.003 |
|
|
0.003 |
|
|
0.008 |
|
|
0.006 |
|
|
0.006 |
|
|
0.006 |
|
|