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 |
1994.04.04 |
1994.05.09 |
1994.06.06 |
1994.07.04 |
1994.08.01 |
1994.09.05 |
1994.10.03 |
1994.11.07 |
1994.12.05 |
1995.01.09 |
1995.02.06 |
1995.03.06 |
| 採取時刻 |
1020 |
1030 |
1013 |
1030 |
1130 |
1030 |
1015 |
1055 |
1013 |
1020 |
1041 |
1047 |
| 天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
| 気温 (℃) |
10.1 |
20.0 |
22.1 |
23.0 |
33.8 |
29.1 |
21.1 |
14.8 |
1.0 |
-3.2 |
0.0 |
3.0 |
| 水温 (℃) |
4.9 |
13.1 |
16.8 |
18.9 |
27.2 |
24.2 |
16.2 |
11.3 |
5.8 |
3.4 |
2.7 |
3.2 |
| pH |
6.9 |
6.8 |
7.3 |
6.8 |
7.6 |
6.5 |
6.8 |
7.3 |
7.0 |
7.1 |
7.2 |
7.0 |
| DO (mg/l) |
13.0 |
11.0 |
10.0 |
9.6 |
8.8 |
10.0 |
11.0 |
11.0 |
11.0 |
12.0 |
14.9 |
16.0 |
| BOD (mg/l) |
0.5 |
1.2 |
0.6 |
1.9 |
1.7 |
1.5 |
0.7 |
< 0.5 |
0.7 |
< 0.5 |
0.5 |
< 0.5 |
| COD (mg/l) |
1.3 |
1.4 |
1.6 |
1.9 |
2.0 |
2.1 |
5.4 |
2.2 |
1.3 |
1.4 |
1.1 |
2.1 |
| SS (mg/l) |
1 |
1 |
1 |
2 |
< 1 |
1 |
11 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
1.3E+01 |
3.3E+01 |
3.3E+01 |
2.3E+03 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
2.3E+02 |
7.9E+01 |
8.0E+00 |
3.3E+01 |
5.0E+00 |
| 全窒素 (mg/l) |
0.50 |
0.32 |
0.42 |
0.45 |
0.36 |
0.32 |
0.80 |
0.43 |
0.45 |
0.46 |
0.51 |
0.45 |
| 全燐 (mg/l) |
0.006 |
0.008 |
0.010 |
0.012 |
0.016 |
0.007 |
0.036 |
0.005 |
0.006 |
0.005 |
0.007 |
0.005 |
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |