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 |
1993.04.15 |
1993.05.19 |
1993.06.02 |
1993.07.07 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.09.02 |
1993.10.06 |
1993.11.10 |
1993.12.15 |
1994.01.12 |
1994.02.09 |
1994.03.02 |
| 採取時刻 |
1115 |
1120 |
1135 |
1125 |
0100 |
0700 |
1300 |
1900 |
1320 |
1110 |
1130 |
1110 |
1120 |
1115 |
1110 |
| 天候 |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
| 気温 (℃) |
15.6 |
21.6 |
20.5 |
23.3 |
18.9 |
19.6 |
20.5 |
19.6 |
24.8 |
19.3 |
11.9 |
2.7 |
3.5 |
6.0 |
6.3 |
| 水温 (℃) |
8.3 |
15.0 |
17.2 |
17.0 |
16.0 |
15.0 |
16.5 |
16.0 |
18.0 |
12.2 |
8.0 |
3.9 |
3.5 |
4.5 |
7.0 |
| 流量 (m3/s) |
5.70 |
7.10 |
6.10 |
5.50 |
7.80 |
7.40 |
7.18 |
7.10 |
10.80 |
8.50 |
5.90 |
7.80 |
5.70 |
4.90 |
8.30 |
| pH |
8.2 |
8.5 |
7.9 |
8.2 |
7.7 |
7.7 |
7.8 |
7.8 |
7.7 |
7.8 |
7.7 |
7.7 |
7.7 |
7.8 |
7.8 |
| DO (mg/l) |
13 |
12 |
10 |
10 |
9 |
9.2 |
9.7 |
9.3 |
9.2 |
10 |
12 |
13 |
13 |
13 |
12 |
| BOD (mg/l) |
1 |
1.3 |
1.1 |
0.8 |
< 0.5 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.9 |
1.5 |
0.7 |
0.7 |
0.5 |
| COD (mg/l) |
2.1 |
2.7 |
2.7 |
2.4 |
|
1 |
|
|
1.6 |
1.2 |
0.8 |
0.9 |
1.3 |
1.5 |
1.4 |
| SS (mg/l) |
4 |
6 |
2 |
3 |
4 |
4 |
2 |
3 |
5 |
2 |
1 |
1 |
1 |
3 |
3 |
| 大腸菌群数 (MPN/100ml) |
3.3E+02 |
3.3E+02 |
7.0E+02 |
4.9E+03 |
1.3E+04 |
4.9E+03 |
3.3E+03 |
3.3E+03 |
1.4E+03 |
1.1E+03 |
2.3E+02 |
4.9E+02 |
2.3E+02 |
3.3E+03 |
4.9E+02 |
| 全窒素 (mg/l) |
|
1.2 |
|
0.91 |
|
|
|
|
1.2 |
|
1 |
|
0.99 |
|
1.1 |
| 全燐 (mg/l) |
|
0.044 |
|
0.027 |
|
|
|
|
0.03 |
|
0.016 |
|
0.013 |
|
0.022 |