測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 50651 |
綱取ダム貯水池 |
Ｌ‐１３ |
A |
測定結果
| 採取年月日 |
1989.05.08 |
1989.05.08 |
1989.05.08 |
1989.06.12 |
1989.06.12 |
1989.06.12 |
1989.07.10 |
1989.07.10 |
1989.08.07 |
1989.08.07 |
1989.09.11 |
1989.09.11 |
1989.09.11 |
1989.10.02 |
1989.10.02 |
1989.10.02 |
| 採取時刻 |
1020 |
1020 |
1020 |
1050 |
1050 |
1050 |
1030 |
1030 |
1100 |
1100 |
1110 |
1110 |
1110 |
1015 |
1015 |
1015 |
| 天候 |
快晴 |
快晴 |
快晴 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
時々雨 |
時々雨 |
時々雨 |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
24 |
24 |
24 |
24.5 |
24.5 |
24.5 |
25.3 |
25.3 |
27 |
27 |
21 |
21 |
21 |
17.5 |
17.5 |
17.5 |
| 水温 (℃) |
14 |
10 |
9.5 |
20 |
11 |
9 |
23.5 |
11.5 |
26 |
10 |
19 |
15 |
11 |
16 |
15.2 |
7.8 |
| 採取水深 (m) |
0 |
4.5 |
8 |
0 |
5.5 |
9 |
0 |
4 |
0 |
7 |
0 |
5 |
8 |
0 |
5 |
9 |
| 全水深 (m) |
9.0 |
9.0 |
9.0 |
11.0 |
11.0 |
11.0 |
5.5 |
5.5 |
9.0 |
9.0 |
11.0 |
11.0 |
11.0 |
11.0 |
11.0 |
11.0 |
| 透明度 (m) |
400 |
|
|
450 |
|
|
300 |
|
230 |
|
080 |
|
|
350 |
|
|
| pH |
7.7 |
7.4 |
7.1 |
7.5 |
6.9 |
6.9 |
7.7 |
7 |
7.9 |
6.9 |
7.4 |
7.3 |
7.3 |
7.7 |
7.5 |
7.4 |
| DO (mg/l) |
11 |
11 |
10 |
9.4 |
8.2 |
7.5 |
8.6 |
7.3 |
8.2 |
4.9 |
9.4 |
9.4 |
9.5 |
10 |
9.4 |
9.6 |
| BOD (mg/l) |
1.8 |
1.7 |
0.9 |
< 0.5 |
1.7 |
0.7 |
|
|
|
|
|
|
|
|
|
|
| COD (mg/l) |
2.1 |
1.6 |
1.5 |
2 |
1.6 |
2 |
2.7 |
2.5 |
2.6 |
2.2 |
3.7 |
3.2 |
3.1 |
2.1 |
1.8 |
3.7 |
| SS (mg/l) |
< 1 |
3 |
1 |
1 |
2 |
5 |
2 |
3 |
2 |
5 |
7 |
2 |
17 |
1 |
2 |
10 |
| 大腸菌群数 (MPN/100ml) |
4.5E+00 |
|
|
0.0E+00 |
|
|
1.7E+02 |
|
2.7E+03 |
|
2.1E+03 |
|
|
4.9E+01 |
|
|
| 全窒素 (mg/l) |
0.5 |
|
|
0.32 |
|
|
0.4 |
|
0.38 |
|
1 |
|
|
0.55 |
|
|
| 全燐 (mg/l) |
0.004 |
|
|
0.013 |
|
|
0.01 |
|
0.012 |
|
0.035 |
|
|
0.008 |
|
|