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 |
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 |
1105 |
1250 |
1110 |
1130 |
1140 |
1740 |
2340 |
0540 |
1130 |
1110 |
1205 |
1115 |
1300 |
1140 |
1110 |
| 天候 |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
| 気温 (℃) |
16.3 |
19.3 |
19.9 |
28.1 |
31.2 |
23.5 |
23.5 |
22 |
25.5 |
21.3 |
8 |
12 |
5 |
4.2 |
2.5 |
| 水温 (℃) |
9.5 |
14.8 |
16 |
21.7 |
23.7 |
25.5 |
23.2 |
22.1 |
20.3 |
15.3 |
10.5 |
6.5 |
3.5 |
3 |
3.5 |
| 流量 (m3/s) |
10.1 |
7.9 |
5.4 |
5.0 |
2.8 |
9.3 |
8.6 |
6.6 |
6.6 |
9.8 |
8.1 |
10.6 |
4.3 |
5.2 |
5.6 |
| pH |
7.6 |
7.9 |
7.7 |
8 |
8 |
7.9 |
7.8 |
7.7 |
8.1 |
7.7 |
7.7 |
7.5 |
7.7 |
7.8 |
7.8 |
| DO (mg/l) |
11 |
10.7 |
9.5 |
9.8 |
10.1 |
7.9 |
6.7 |
6.7 |
9.5 |
9 |
10.3 |
11.9 |
13.4 |
12.8 |
12.3 |
| BOD (mg/l) |
1 |
1.2 |
1.3 |
0.5 |
0.7 |
1.9 |
1.5 |
2.3 |
1 |
0.8 |
1.1 |
0.6 |
0.6 |
0.7 |
1.2 |
| COD (mg/l) |
2.4 |
2.2 |
1.5 |
1.8 |
1.7 |
|
|
|
2 |
1.1 |
2.2 |
0.8 |
1.2 |
1.6 |
1.7 |
| SS (mg/l) |
7 |
13 |
5 |
7 |
1 |
100 |
42 |
93 |
3 |
4 |
10 |
5 |
2 |
3 |
8 |
| 大腸菌群数 (MPN/100ml) |
1.7E+03 |
7.9E+02 |
1.4E+03 |
3.3E+03 |
7.9E+02 |
1.3E+04 |
7.0E+04 |
1.4E+04 |
1.7E+03 |
2.8E+03 |
1.3E+04 |
1.3E+03 |
3.3E+02 |
7.9E+02 |
1.9E+03 |
| 全窒素 (mg/l) |
|
1.13 |
|
0.88 |
|
|
|
|
0.86 |
|
1.18 |
|
0.92 |
|
1.15 |
| 全燐 (mg/l) |
|
0.052 |
|
0.022 |
|
|
|
|
0.023 |
|
0.035 |
|
0.013 |
|
0.028 |