測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 03101 |
磐井川下流 |
狐禅寺橋 |
B |
測定結果
| 採取年月日 |
1992.04.16 |
1992.05.06 |
1992.06.03 |
1992.07.29 |
1992.08.04 |
1992.08.04 |
1992.08.04 |
1992.08.05 |
1992.09.02 |
1992.10.07 |
1992.11.04 |
1992.12.02 |
1993.01.06 |
1993.02.03 |
1993.03.03 |
| 採取時刻 |
1040 |
1045 |
1050 |
1055 |
1030 |
1630 |
2230 |
0430 |
1040 |
1040 |
1033 |
1030 |
1035 |
1030 |
1045 |
| 天候 |
4 |
2 |
2 |
4 |
4 |
2 |
2 |
4 |
4 |
2 |
2 |
4 |
4 |
4 |
4 |
| 気温 (℃) |
7.2 |
15.4 |
25.8 |
29.8 |
20.9 |
23.1 |
18.0 |
16.5 |
29.9 |
18.0 |
18.0 |
9.3 |
6.1 |
7.0 |
7.0 |
| 水温 (℃) |
6.9 |
11.1 |
19.0 |
23.0 |
20.7 |
22.0 |
20.0 |
19.0 |
25.0 |
13.5 |
8.7 |
6.0 |
1.2 |
2.1 |
3.7 |
| pH |
7 |
7 |
7 |
7.3 |
6.9 |
7.1 |
6.9 |
6.9 |
7.1 |
7 |
7.1 |
7 |
7.1 |
7.1 |
7.1 |
| DO (mg/l) |
11 |
11 |
9.5 |
7.9 |
6.9 |
8.3 |
4.2 |
3.7 |
7.9 |
10 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
3.8 |
3.8 |
5.2 |
2.1 |
4.8 |
8.3 |
9.2 |
8.6 |
4.9 |
4.8 |
3.4 |
4.1 |
3.6 |
6.3 |
4.4 |
| COD (mg/l) |
5.6 |
4.8 |
6.3 |
3.4 |
7.4 |
|
|
|
7.8 |
7 |
5.1 |
5.6 |
5 |
8.4 |
5.5 |
| SS (mg/l) |
34 |
8 |
7 |
3 |
2 |
2 |
3 |
2 |
5 |
2 |
4 |
3 |
2 |
3 |
4 |
| 大腸菌群数 (MPN/100ml) |
1.30E+04 |
7.90E+03 |
3.30E+04 |
7.00E+04 |
1.70E+04 |
5.40E+05 |
5.40E+05 |
2.40E+06 |
1.60E+06 |
1.30E+05 |
7.90E+03 |
3.30E+03 |
3.30E+03 |
3.30E+03 |
3.30E+04 |
| 全窒素 (mg/l) |
|
0.62 |
|
0.7 |
|
|
|
|
0.83 |
|
0.47 |
|
0.53 |
|
0.89 |
| 全燐 (mg/l) |
|
0.052 |
|
0.052 |
|
|
|
|
0.052 |
|
0.031 |
|
0.019 |
|
0.041 |