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 |
1992.04.16 |
1992.05.06 |
1992.06.03 |
1992.07.29 |
1992.08.04 |
1992.08.04 |
1992.08.04 |
1992.08.05 |
1992.09.02 |
1992.10.07 |
1992.11.04 |
1992.12.02 |
1993.01.06 |
1993.02.03 |
1993.03.03 |
| 採取時刻 |
1100 |
1115 |
1105 |
1135 |
1050 |
1650 |
2250 |
0450 |
1155 |
1115 |
1115 |
1235 |
1305 |
1125 |
1135 |
| 天候 |
雨 |
2 |
2 |
4 |
4 |
2 |
4 |
4 |
4 |
2 |
2 |
4 |
4 |
4 |
雨 |
| 気温 (℃) |
6.2 |
14.7 |
24.0 |
28.0 |
18.7 |
19.4 |
14.8 |
15.1 |
28.6 |
17.2 |
15.1 |
6.0 |
4.7 |
5.0 |
4.2 |
| 水温 (℃) |
5.1 |
9.7 |
17.3 |
20.1 |
18.1 |
18.5 |
16.1 |
15.5 |
22.8 |
14.0 |
10.0 |
5.5 |
1.9 |
1.9 |
2.0 |
| pH |
6.9 |
7.1 |
7.7 |
7.5 |
7.6 |
7.5 |
7.3 |
7.2 |
8.3 |
7.9 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
| DO (mg/l) |
12 |
12 |
11 |
9.9 |
10 |
9.6 |
9.1 |
8.6 |
10 |
12 |
12 |
12 |
14 |
15 |
13 |
| BOD (mg/l) |
0.8 |
0.8 |
1.3 |
0.9 |
0.8 |
0.8 |
1 |
1 |
1.3 |
1.2 |
1.2 |
0.8 |
0.9 |
1 |
1 |
| COD (mg/l) |
1.6 |
1.2 |
1.7 |
1.9 |
1.9 |
|
|
|
1.7 |
1.7 |
2.2 |
2 |
1.5 |
1.3 |
1.5 |
| SS (mg/l) |
6 |
4 |
2 |
2 |
1 |
3 |
2 |
1 |
1 |
1 |
7 |
4 |
4 |
2 |
12 |
| 大腸菌群数 (MPN/100ml) |
2.20E+02 |
3.30E+02 |
7.90E+02 |
2.20E+03 |
4.90E+02 |
4.90E+02 |
4.90E+03 |
2.20E+03 |
3.30E+03 |
7.90E+02 |
3.30E+02 |
8.00E+01 |
3.30E+01 |
1.30E+02 |
3.30E+02 |
| 全窒素 (mg/l) |
|
0.3 |
|
0.76 |
|
|
|
|
0.43 |
|
0.35 |
|
0.29 |
|
0.72 |
| 全燐 (mg/l) |
|
0.038 |
|
0.066 |
|
|
|
|
0.059 |
|
0.071 |
|
0.053 |
|
0.045 |