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 |
1990.04.30 |
1990.05.09 |
1990.06.06 |
1990.07.30 |
1990.08.07 |
1990.08.07 |
1990.08.07 |
1990.08.08 |
1990.09.05 |
1990.10.03 |
1990.11.21 |
1990.12.05 |
1991.01.09 |
1991.02.06 |
1991.03.01 |
| 採取時刻 |
1020 |
1045 |
1030 |
1050 |
1105 |
1705 |
2305 |
0505 |
1055 |
1025 |
1120 |
1035 |
1220 |
1035 |
1030 |
| 天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
| 気温 (℃) |
13 |
20.3 |
18 |
28.7 |
32.8 |
26.8 |
23.5 |
22.3 |
25.5 |
20 |
7.2 |
10.7 |
4.8 |
6.6 |
5 |
| 水温 (℃) |
9.2 |
13.8 |
19 |
25.2 |
29 |
32.2 |
23.5 |
25.6 |
24 |
16 |
9.2 |
6 |
3.9 |
1.5 |
3 |
| pH |
6.9 |
7 |
7 |
6.9 |
6.8 |
6.7 |
6.8 |
6.8 |
7.1 |
7.1 |
7 |
6.9 |
6.9 |
7.1 |
7.1 |
| DO (mg/l) |
11.4 |
10.4 |
6.4 |
8 |
7 |
4.5 |
5.1 |
3.9 |
7.7 |
9.3 |
10 |
12.3 |
12.7 |
12.7 |
12 |
| BOD (mg/l) |
2.7 |
2.6 |
9 |
4.7 |
9.2 |
9.3 |
6.2 |
9.6 |
5.2 |
2.3 |
2.5 |
1.6 |
4.9 |
4.6 |
3.1 |
| COD (mg/l) |
4.8 |
3.4 |
10.4 |
7 |
11.1 |
|
|
|
7.4 |
4.2 |
4 |
2.7 |
5.7 |
5.4 |
4.4 |
| SS (mg/l) |
32 |
9 |
5 |
3 |
11 |
8 |
24 |
11 |
7 |
6 |
4 |
6 |
4 |
14 |
9 |
| 大腸菌群数 (MPN/100ml) |
4.9E+03 |
7.9E+04 |
1.2E+05 |
2.4E+05 |
7.9E+04 |
1.6E+06 |
9.2E+05 |
1.6E+06 |
1.6E+06 |
4.9E+04 |
4.9E+04 |
2.2E+04 |
2.8E+03 |
1.3E+03 |
7.9E+03 |
| 全窒素 (mg/l) |
|
0.61 |
|
0.45 |
|
|
|
|
0.66 |
|
0.58 |
|
0.73 |
|
0.63 |
| 全燐 (mg/l) |
|
0.042 |
|
0.042 |
|
|
|
|
0.047 |
|
0.03 |
|
0.05 |
|
0.035 |