測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 04451 |
中津川中流 |
綱取ダム直下 |
A |
測定結果
| 採取年月日 |
1992.04.06 |
1992.05.11 |
1992.06.01 |
1992.07.06 |
1992.08.03 |
1992.09.07 |
1992.10.07 |
1992.11.02 |
1992.12.07 |
1993.01.06 |
1993.02.01 |
1993.03.01 |
| 採取時刻 |
1030 |
1040 |
1005 |
1041 |
1025 |
1015 |
1012 |
1021 |
1021 |
1018 |
1040 |
1136 |
| 天候 |
2 |
2 |
2 |
2 |
4 |
4 |
2 |
2 |
4 |
2 |
2 |
2 |
| 気温 (℃) |
15.2 |
18.9 |
21.1 |
27.0 |
21.0 |
18.5 |
14.8 |
7.5 |
7.1 |
3.0 |
0.5 |
0.8 |
| 水温 (℃) |
8.8 |
12.4 |
13.5 |
20.3 |
22.2 |
21.6 |
16.5 |
12.3 |
6.4 |
2.8 |
3.2 |
2.9 |
| pH |
7.1 |
7.2 |
7 |
7.5 |
7.3 |
7.8 |
7.5 |
7.3 |
7.3 |
7 |
7 |
6.7 |
| DO (mg/l) |
11 |
11 |
10 |
8.9 |
9.3 |
9 |
10 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
0.8 |
0.9 |
1.2 |
0.8 |
1.1 |
0.6 |
1.4 |
0.7 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
| COD (mg/l) |
1.4 |
1.9 |
1.5 |
1.8 |
2.2 |
2.7 |
1.7 |
1.3 |
1.2 |
1.4 |
1.1 |
0.8 |
| SS (mg/l) |
1 |
2 |
2 |
2 |
1 |
3 |
1 |
2 |
1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
3.30E+01 |
1.10E+02 |
7.90E+01 |
2.30E+01 |
3.30E+02 |
3.30E+02 |
1.10E+02 |
4.90E+01 |
1.40E+02 |
1.30E+01 |
2.30E+01 |
2.30E+01 |
| 全窒素 (mg/l) |
0.73 |
0.44 |
0.39 |
0.34 |
0.46 |
0.32 |
0.43 |
0.38 |
0.36 |
0.56 |
0.47 |
0.56 |
| 全燐 (mg/l) |
0.013 |
0.005 |
0.01 |
0.011 |
0.01 |
0.011 |
0.009 |
0.009 |
0.008 |
0.008 |
0.005 |
0.008 |