測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 06602 |
砂鉄川 |
門崎橋 |
A |
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 |
1110 |
1120 |
1115 |
1135 |
1115 |
1715 |
2315 |
0515 |
1125 |
1115 |
1130 |
1110 |
1135 |
1115 |
1130 |
| 天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
19.3 |
24.8 |
25.5 |
22.6 |
28.1 |
23.8 |
20.2 |
19.4 |
19.7 |
21.2 |
9.9 |
10.8 |
8.0 |
4.0 |
6.1 |
| 水温 (℃) |
11.9 |
17.3 |
18.1 |
18.5 |
18.5 |
20.8 |
19.4 |
18.0 |
15.0 |
15.5 |
8.1 |
7.0 |
5.0 |
4.0 |
4.0 |
| 流量 (m3/s) |
4.71 |
|
4.28 |
10.19 |
17.22 |
15.38 |
14.33 |
13.65 |
17.61 |
20.39 |
10.19 |
9.06 |
9.90 |
7.00 |
5.41 |
| pH |
8.1 |
7.7 |
8 |
7.8 |
7.7 |
7.8 |
7.8 |
7.8 |
7.8 |
7.7 |
7.5 |
7.8 |
7.9 |
7.6 |
7.6 |
| DO (mg/l) |
12 |
11 |
10 |
8.7 |
9.3 |
9.1 |
8.5 |
8.7 |
9.5 |
9.6 |
11 |
13 |
13 |
12 |
13 |
| BOD (mg/l) |
0.8 |
1.6 |
1.5 |
1.2 |
1.9 |
1 |
1 |
1.2 |
0.8 |
1.4 |
1 |
0.8 |
1.4 |
1.1 |
1 |
| COD (mg/l) |
2.2 |
3.5 |
3 |
1.4 |
5.5 |
|
|
|
1.5 |
6 |
1.3 |
1.4 |
2.1 |
2.1 |
1.3 |
| SS (mg/l) |
3 |
4 |
6 |
5 |
36 |
17 |
13 |
13 |
6 |
24 |
1 |
2 |
9 |
7 |
4 |
| 大腸菌群数 (MPN/100ml) |
2.2E+03 |
3.3E+02 |
7.9E+03 |
3.3E+04 |
7.9E+03 |
3.3E+03 |
1.7E+04 |
1.3E+04 |
2.2E+03 |
1.1E+04 |
7.0E+02 |
1.1E+03 |
2.2E+03 |
7.9E+02 |
1.1E+03 |
| 全窒素 (mg/l) |
|
1.1 |
|
1.09 |
|
|
|
|
1.05 |
|
1.06 |
|
1.18 |
|
1.15 |
| 全燐 (mg/l) |
|
0.033 |
|
0.022 |
|
|
|
|
0.028 |
|
0.016 |
|
0.026 |
|
0.024 |