測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 50601 |
綱取ダム貯水池 |
Ｌ‐１２ |
A |
測定結果
| 採取年月日 |
1990.05.07 |
1990.05.07 |
1990.05.07 |
1990.06.18 |
1990.06.18 |
1990.06.18 |
1990.07.16 |
1990.07.16 |
1990.07.16 |
1990.08.20 |
1990.08.20 |
1990.08.20 |
1990.09.28 |
1990.09.28 |
1990.09.28 |
1990.10.22 |
1990.10.22 |
1990.10.22 |
| 採取時刻 |
1140 |
1140 |
1140 |
1355 |
1355 |
1355 |
0940 |
0940 |
0940 |
0940 |
0940 |
0940 |
0925 |
0925 |
0925 |
0930 |
0930 |
0930 |
| 天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
一時雨 |
一時雨 |
一時雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
23 |
23 |
23 |
27.5 |
27.5 |
27.5 |
25 |
25 |
25 |
24.5 |
24.5 |
24.5 |
21 |
21 |
21 |
17 |
17 |
17 |
| 水温 (℃) |
14 |
8 |
7 |
22.8 |
8 |
7.5 |
20.5 |
8 |
7.5 |
22.3 |
14 |
12 |
17 |
14 |
11.2 |
14.5 |
13 |
12.5 |
| 採取水深 (m) |
0 |
12.5 |
22.5 |
0 |
12 |
18 |
0 |
10.5 |
19 |
0 |
10 |
18 |
0 |
10 |
18 |
0 |
10 |
18 |
| 全水深 (m) |
25.0 |
25.0 |
25.0 |
23.0 |
23.0 |
23.0 |
21.5 |
21.5 |
21.5 |
21.0 |
21.0 |
21.0 |
21.0 |
21.0 |
21.0 |
20.0 |
20.0 |
20.0 |
| 透明度 (m) |
350 |
|
|
300 |
|
|
250 |
|
|
400 |
|
|
250 |
|
|
300 |
|
|
| pH |
7.9 |
7.2 |
7.1 |
7.7 |
6.9 |
6.9 |
7.5 |
6.8 |
6.7 |
7.7 |
7.1 |
6.8 |
7.9 |
7.5 |
6.9 |
7.5 |
7 |
6.9 |
| DO (mg/l) |
11 |
10 |
9.5 |
9.3 |
8.3 |
8.5 |
9.4 |
8.1 |
5.6 |
9 |
8.6 |
7.1 |
10 |
9.3 |
6.5 |
9.7 |
8.8 |
7.5 |
| COD (mg/l) |
2.6 |
1.6 |
1.8 |
2.3 |
2.1 |
1.7 |
2 |
1.5 |
1.5 |
2.2 |
1.6 |
1.6 |
1.9 |
1.8 |
2.1 |
2.2 |
1.7 |
2.5 |
| SS (mg/l) |
1 |
2 |
3 |
1 |
1 |
1 |
2 |
1 |
1 |
1 |
2 |
3 |
1 |
13 |
14 |
1 |
1 |
6 |
| 大腸菌群数 (MPN/100ml) |
3.3E+01 |
|
|
7.9E+01 |
|
|
1.3E+03 |
|
|
7.9E+02 |
|
|
1.1E+02 |
|
|
1.1E+02 |
|
|
| 全窒素 (mg/l) |
0.37 |
|
|
0.14 |
|
|
0.63 |
|
|
0.79 |
|
|
0.68 |
|
|
0.29 |
|
|
| 全燐 (mg/l) |
0.01 |
|
|
0.006 |
|
|
0.01 |
|
|
0.011 |
|
|
0.018 |
|
|
0.006 |
|
|