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 |
1992.05.27 |
1992.05.27 |
1992.05.27 |
1992.06.17 |
1992.06.17 |
1992.06.17 |
1992.07.15 |
1992.07.15 |
1992.07.15 |
1992.08.05 |
1992.08.05 |
1992.08.05 |
1992.09.09 |
1992.09.09 |
1992.09.09 |
1992.10.14 |
1992.10.14 |
1992.10.14 |
| 採取時刻 |
1010 |
1010 |
1010 |
1025 |
1025 |
1025 |
1026 |
1026 |
1026 |
1010 |
1010 |
1010 |
1005 |
1005 |
1005 |
1012 |
1012 |
1012 |
| 天候 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
4 |
4 |
4 |
4 |
4 |
4 |
2 |
2 |
2 |
| 気温 (℃) |
21.5 |
21.5 |
21.5 |
17.0 |
17.0 |
17.0 |
24.5 |
24.5 |
24.5 |
18.5 |
18.5 |
18.5 |
17.5 |
17.5 |
17.5 |
15.8 |
15.8 |
15.8 |
| 水温 (℃) |
14.0 |
10.8 |
9.5 |
18.1 |
12.5 |
10.1 |
23.1 |
11.0 |
9.5 |
19.8 |
10.8 |
10.0 |
17.1 |
8.5 |
8.1 |
12.1 |
11.0 |
8.7 |
| 採取水深 (m) |
0.0 |
13.0 |
23.0 |
0.0 |
13.0 |
24.0 |
0.0 |
13.0 |
25.0 |
0.0 |
10.0 |
20.0 |
0.0 |
10.0 |
19.0 |
0.0 |
9.0 |
17.0 |
| 全水深 (m) |
26.0 |
26.0 |
26.0 |
26.0 |
26.0 |
26.0 |
27.0 |
27.0 |
27.0 |
21.0 |
21.0 |
21.0 |
20.0 |
20.0 |
20.0 |
19.0 |
19.0 |
19.0 |
| 透明度 (m) |
7.000 |
7.000 |
7.000 |
6.000 |
6.000 |
6.000 |
5.000 |
5.000 |
5.000 |
7.000 |
7.000 |
7.000 |
4.000 |
4.000 |
4.000 |
4.000 |
4.000 |
4.000 |
| pH |
7.3 |
7.2 |
7 |
8 |
7.4 |
6.9 |
7.5 |
7 |
6.6 |
7.6 |
7 |
6.6 |
7.3 |
6.7 |
6.4 |
7.4 |
7.2 |
6.5 |
| DO (mg/l) |
10 |
10 |
10 |
9.9 |
10 |
9.2 |
8.4 |
9.5 |
6.8 |
8.6 |
9.7 |
7.7 |
8.6 |
8.4 |
4.3 |
9.6 |
9.6 |
3.2 |
| COD (mg/l) |
1.5 |
1.1 |
1.1 |
1.9 |
1.1 |
1.1 |
2 |
1.5 |
3.4 |
1.7 |
1.4 |
1.5 |
2.7 |
1 |
1.4 |
2.2 |
2.3 |
2.4 |
| SS (mg/l) |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
2 |
8 |
< 1 |
2 |
2 |
2 |
1 |
3 |
3 |
2 |
5 |
| 大腸菌群数 (MPN/100ml) |
2.00E+00 |
|
|
2.00E+00 |
|
|
4.00E+00 |
|
|
7.00E+00 |
|
|
1.00E+00 |
|
|
2.20E+01 |
|
|
| 全窒素 (mg/l) |
0.13 |
|
|
0.15 |
|
|
0.07 |
|
|
0.2 |
|
|
0.25 |
|
|
0.15 |
|
|
| 全燐 (mg/l) |
0.005 |
|
|
0.006 |
|
|
0.006 |
|
|
0.005 |
|
|
0.007 |
|
|
0.007 |
|
|