測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 50202 |
岩洞ダム貯水池 |
Ｌ‐２（コオク） |
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 |
1992.09.09 |
1992.09.09 |
1992.10.14 |
1992.10.14 |
| 採取時刻 |
1107 |
1107 |
1107 |
1107 |
1107 |
1107 |
1107 |
1107 |
1107 |
1045 |
1045 |
1035 |
1035 |
1132 |
1132 |
| 天候 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
4 |
4 |
4 |
4 |
2 |
2 |
| 気温 (℃) |
21.5 |
21.5 |
21.5 |
16.5 |
16.5 |
16.5 |
25.5 |
25.5 |
19.7 |
19.7 |
19.7 |
16.5 |
16.5 |
16.5 |
16.5 |
| 水温 (℃) |
13.5 |
12.1 |
10.2 |
18.6 |
16.2 |
12.8 |
23.0 |
20.0 |
12.3 |
20.7 |
13.1 |
18.0 |
13.5 |
13.0 |
12.3 |
| 採取水深 (m) |
0.0 |
6.0 |
10.0 |
0.0 |
5.0 |
10.0 |
0.0 |
5.0 |
9.0 |
0.0 |
8.0 |
0.0 |
7.0 |
0.0 |
8.0 |
| 全水深 (m) |
13.0 |
13.0 |
13.0 |
11.0 |
11.0 |
11.0 |
10.0 |
10.0 |
10.0 |
9.0 |
9.0 |
8.0 |
8.0 |
9.0 |
9.0 |
| 透明度 (m) |
5.000 |
5.000 |
5.000 |
6.000 |
6.000 |
6.000 |
6.500 |
6.500 |
6.500 |
5.000 |
5.000 |
4.000 |
4.000 |
3.000 |
3.000 |
| pH |
7.4 |
7.4 |
7.3 |
7.7 |
8 |
7.2 |
7.4 |
7.5 |
6.7 |
7.4 |
6.6 |
7.3 |
6.6 |
7.3 |
6.7 |
| DO (mg/l) |
10 |
10 |
10 |
9.7 |
10 |
10 |
8.5 |
9.2 |
7.9 |
8.4 |
6.2 |
8.6 |
9 |
9.4 |
6.2 |
| COD (mg/l) |
1.6 |
1.5 |
1.9 |
1.8 |
1.9 |
2 |
1.7 |
1.7 |
1.9 |
1.6 |
1.7 |
2.1 |
1.9 |
1.8 |
1.9 |
| SS (mg/l) |
< 1 |
1 |
2 |
1 |
1 |
2 |
< 1 |
2 |
2 |
1 |
4 |
1 |
2 |
1 |
2 |
| 大腸菌群数 (MPN/100ml) |
0.00E+00 |
|
|
2.00E+00 |
|
|
0.00E+00 |
|
|
7.00E+00 |
|
4.60E+01 |
|
|
|
| 全窒素 (mg/l) |
0.15 |
|
|
0.16 |
|
|
0.04 |
|
|
0.1 |
|
0.22 |
|
0.12 |
|
| 全燐 (mg/l) |
0.003 |
|
|
0.006 |
|
|
0.004 |
|
|
0.006 |
|
0.007 |
|
0.006 |
|