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 |
1993.05.10 |
1993.05.10 |
1993.06.07 |
1993.06.07 |
1993.07.05 |
1993.07.05 |
1993.08.02 |
1993.08.02 |
1993.09.06 |
1993.09.06 |
1993.10.04 |
1993.10.04 |
| 採取時刻 |
1000 |
1015 |
1025 |
1050 |
1020 |
1040 |
1000 |
1020 |
1005 |
1022 |
1010 |
1030 |
| 天候 |
一時雨 |
一時雨 |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
| 気温 (℃) |
12.2 |
12.2 |
19.4 |
19.4 |
20.8 |
20.8 |
18.6 |
18.6 |
22.1 |
22.1 |
15.8 |
15.8 |
| 水温 (℃) |
11.9 |
6.8 |
16.9 |
5.5 |
19.5 |
6.2 |
14.9 |
11.6 |
18.8 |
13.7 |
13.9 |
11.6 |
| 採取水深 (m) |
0.0 |
8.0 |
0.0 |
10.0 |
0.0 |
8.0 |
0.0 |
8.0 |
0.0 |
6.0 |
0.0 |
8.0 |
| 全水深 (m) |
9.2 |
9.2 |
11.0 |
11.0 |
9.0 |
9.0 |
9.0 |
9.0 |
8.0 |
8.0 |
9.0 |
9.0 |
| 透明度 (m) |
2.800 |
|
2.600 |
|
2.000 |
|
0.800 |
|
3.000 |
|
3.000 |
|
| pH |
6.7 |
6.6 |
6.9 |
6.6 |
7.3 |
6.54 |
7 |
7 |
7.3 |
7.3 |
7.6 |
7.3 |
| DO (mg/l) |
11.5 |
9.3 |
10.1 |
6.6 |
9.9 |
5.3 |
10.5 |
10.5 |
10.2 |
9.8 |
10.8 |
10.2 |
| BOD (mg/l) |
1.5 |
0.7 |
0.5 |
2.2 |
1.6 |
1.3 |
1.1 |
1.8 |
1.3 |
0.6 |
1.9 |
1 |
| COD (mg/l) |
1.8 |
1.2 |
2.5 |
1.1 |
2 |
1.5 |
1.8 |
2.6 |
1.7 |
2 |
1.9 |
1.6 |
| SS (mg/l) |
1 |
1 |
1 |
1 |
2 |
2 |
9 |
12 |
2 |
4 |
< 1 |
2 |
| 大腸菌群数 (MPN/100ml) |
2.0E+00 |
2.0E+00 |
0.0E+00 |
0.0E+00 |
2.3E+01 |
8.0E+00 |
3.3E+02 |
4.9E+02 |
2.3E+01 |
1.3E+02 |
1.7E+02 |
7.9E+02 |
| 全窒素 (mg/l) |
0.34 |
0.34 |
0.51 |
0.49 |
0.5 |
0.55 |
0.84 |
0.74 |
0.55 |
0.47 |
0.53 |
0.3 |
| 全燐 (mg/l) |
0.012 |
0.009 |
0.011 |
0.006 |
0.013 |
0.011 |
0.02 |
0.023 |
0.011 |
0.013 |
0.016 |
0.015 |