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 |
1989.04.24 |
1989.05.10 |
1989.06.07 |
1989.07.05 |
1989.08.01 |
1989.08.01 |
1989.08.01 |
1989.08.02 |
1989.09.18 |
1989.10.04 |
1989.11.08 |
1989.12.06 |
1990.01.10 |
1990.02.01 |
1990.03.01 |
| 採取時刻 |
1220 |
1230 |
1040 |
1130 |
1035 |
1635 |
2235 |
0435 |
1100 |
1045 |
1045 |
1045 |
1115 |
1055 |
1045 |
| 天候 |
雨 |
晴れ |
曇り |
晴れ |
曇り |
雨 |
曇り |
雨 |
曇り |
曇り |
曇り |
晴れ |
雨 |
曇り |
晴れ |
| 気温 (℃) |
11 |
24.3 |
24 |
26.2 |
31.1 |
26.2 |
23 |
22.5 |
24.4 |
13.9 |
13.8 |
10 |
2 |
-2.9 |
7 |
| 水温 (℃) |
11 |
16.5 |
20 |
18.7 |
24.1 |
26 |
24.5 |
23.8 |
18.7 |
14 |
11.5 |
5.5 |
0.7 |
0 |
4.6 |
| pH |
6.8 |
6.9 |
6.9 |
7 |
6.8 |
6.8 |
6.8 |
6.9 |
7.2 |
7.1 |
7.2 |
7 |
7 |
7 |
6.9 |
| DO (mg/l) |
10.6 |
10.5 |
7.9 |
9.3 |
8 |
7.5 |
5.3 |
5.2 |
9.3 |
10.1 |
10.5 |
12.3 |
13.3 |
13.7 |
13.1 |
| BOD (mg/l) |
2.5 |
3.4 |
6.1 |
4.9 |
4.3 |
5 |
5.7 |
5.2 |
2.7 |
5.3 |
4 |
3.8 |
8.2 |
6.1 |
3.5 |
| COD (mg/l) |
5 |
4.7 |
7.8 |
6.4 |
6.2 |
|
|
|
4.2 |
5.6 |
5.8 |
4.4 |
5.6 |
7.2 |
4.1 |
| SS (mg/l) |
14 |
8 |
13 |
15 |
6 |
7 |
11 |
9 |
5 |
7 |
5 |
8 |
3 |
4 |
5 |
| 大腸菌群数 (MPN/100ml) |
2.4E+04 |
1.7E+04 |
1.1E+05 |
3.5E+05 |
1.7E+05 |
1.3E+05 |
1.7E+05 |
3.5E+05 |
5.4E+05 |
1.3E+05 |
1.3E+05 |
1.6E+04 |
1.1E+03 |
4.9E+03 |
4.9E+03 |
| 全窒素 (mg/l) |
|
0.82 |
|
0.87 |
|
|
|
|
0.54 |
|
0.65 |
|
0.68 |
|
0.59 |
| 全燐 (mg/l) |
|
0.046 |
|
0.113 |
|
|
|
|
0.036 |
|
0.035 |
|
0.036 |
|
0.029 |