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 |
1991.04.26 |
1991.05.08 |
1991.06.05 |
1991.07.30 |
1991.08.14 |
1991.08.14 |
1991.08.14 |
1991.08.15 |
1991.09.18 |
1991.10.02 |
1991.11.06 |
1991.12.04 |
1992.01.08 |
1992.02.05 |
1992.03.04 |
| 採取時刻 |
1025 |
1035 |
1035 |
1050 |
1030 |
1630 |
2230 |
0430 |
1040 |
1035 |
1045 |
1035 |
1055 |
1040 |
1050 |
| 天候 |
晴れ |
晴れ |
晴れ |
雨 |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
19.0 |
19.0 |
26.7 |
22.2 |
25.7 |
26.0 |
23.8 |
19.5 |
20.2 |
20.9 |
10.5 |
10.8 |
7.7 |
3.5 |
6.8 |
| 水温 (℃) |
9.0 |
16.0 |
18.8 |
20.0 |
21.0 |
23.5 |
21.5 |
20.0 |
16.5 |
15.5 |
8.7 |
5.5 |
2.8 |
2.5 |
3.0 |
| pH |
6.8 |
6.5 |
7 |
7 |
6.8 |
6.9 |
6.8 |
6.8 |
7.1 |
7.2 |
6.8 |
7 |
7.2 |
7 |
7 |
| DO (mg/l) |
12 |
9.9 |
10 |
8.3 |
9.5 |
9.2 |
7.2 |
7.5 |
9.3 |
9.9 |
12 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
1.3 |
3.4 |
3.1 |
2.3 |
2.9 |
2.6 |
2.5 |
2.8 |
1.5 |
1.9 |
5 |
2.2 |
3.9 |
4.6 |
3.4 |
| COD (mg/l) |
3.2 |
4.9 |
6.3 |
3.4 |
4.3 |
|
|
|
3.1 |
5.4 |
6.1 |
4.3 |
5.4 |
6.1 |
4.3 |
| SS (mg/l) |
7 |
10 |
6 |
4 |
9 |
5 |
8 |
4 |
9 |
21 |
3 |
2 |
23 |
6 |
3 |
| 大腸菌群数 (MPN/100ml) |
1.7E+04 |
1.3E+04 |
1.3E+04 |
2.8E+05 |
4.9E+03 |
4.9E+03 |
3.3E+03 |
1.1E+04 |
2.4E+04 |
2.2E+04 |
4.9E+03 |
1.7E+04 |
4.9E+03 |
1.3E+03 |
1.3E+03 |
| 全窒素 (mg/l) |
|
0.94 |
|
0.76 |
|
|
|
|
0.61 |
|
0.64 |
|
0.74 |
|
0.62 |
| 全燐 (mg/l) |
|
0.052 |
|
0.032 |
|
|
|
|
0.025 |
|
0.035 |
|
0.061 |
|
0.033 |