測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 02601 |
和賀川下流 |
九年橋 |
A |
測定結果
| 採取年月日 |
1994.04.14 |
1994.05.11 |
1994.06.01 |
1994.07.20 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.09.07 |
1994.10.17 |
1994.11.02 |
1994.12.07 |
1995.01.11 |
1995.02.01 |
1995.03.01 |
| 採取時刻 |
1125 |
1150 |
1050 |
1110 |
0000 |
0600 |
1200 |
1800 |
1040 |
1030 |
1050 |
1008 |
1100 |
1025 |
1012 |
| 天候 |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
| 気温 (℃) |
13.0 |
24.7 |
25.2 |
26.0 |
26.8 |
23.8 |
35.0 |
27.3 |
23.4 |
15.6 |
12.0 |
4.1 |
0.3 |
2.5 |
2.6 |
| 水温 (℃) |
6.0 |
11.8 |
18.0 |
22.2 |
24.8 |
22.8 |
27.0 |
26.5 |
21.8 |
14.0 |
11.9 |
4.1 |
1.9 |
1.1 |
1.8 |
| pH |
7.1 |
7.4 |
7.6 |
8.1 |
7.2 |
7.1 |
8.5 |
8.3 |
7.5 |
7.3 |
7.7 |
7.6 |
7.4 |
7.4 |
7.3 |
| DO (mg/l) |
13.0 |
12.0 |
11.0 |
10.0 |
7.1 |
7.1 |
11.0 |
9.0 |
9.1 |
10.0 |
11.0 |
14.0 |
15.0 |
15.0 |
14.0 |
| BOD (mg/l) |
0.7 |
0.5 |
1.7 |
0.8 |
0.8 |
0.7 |
1.0 |
1.1 |
0.8 |
1.6 |
0.6 |
0.9 |
0.9 |
0.7 |
0.8 |
| COD (mg/l) |
2.2 |
1.9 |
2.2 |
1.8 |
|
|
2.2 |
|
2.3 |
2.5 |
1.6 |
1.4 |
1.2 |
1.6 |
1.3 |
| SS (mg/l) |
16 |
6 |
2 |
2 |
7 |
7 |
5 |
6 |
3 |
24 |
1 |
3 |
3 |
4 |
2 |
| 大腸菌群数 (MPN/100ml) |
1.3E+03 |
1.7E+02 |
1.7E+02 |
3.3E+03 |
2.2E+02 |
4.9E+02 |
2.3E+02 |
1.3E+03 |
3.3E+04 |
7.9E+02 |
4.9E+02 |
1.7E+03 |
1.3E+02 |
4.9E+04 |
4.9E+02 |
| 全窒素 (mg/l) |
|
0.43 |
|
0.57 |
|
|
|
|
0.62 |
|
0.76 |
|
0.47 |
|
0.63 |
| 全燐 (mg/l) |
|
0.064 |
|
0.057 |
|
|
|
|
0.160 |
|
0.110 |
|
0.064 |
|
0.129 |
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
14 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |