測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 01302 |
小川川 |
小佐野橋 |
A |
測定結果
| 採取年月日 |
1991.04.17 |
1991.05.15 |
1991.05.22 |
1991.05.22 |
1991.05.22 |
1991.05.22 |
1991.05.22 |
1991.05.22 |
1991.05.22 |
1991.05.23 |
1991.05.23 |
1991.05.23 |
1991.05.23 |
1991.05.23 |
1991.06.05 |
1991.07.17 |
1991.08.28 |
1991.09.04 |
1991.10.16 |
1991.11.20 |
1991.12.11 |
1992.01.22 |
1992.02.19 |
1992.03.04 |
| 採取時刻 |
1045 |
1120 |
1120 |
1320 |
1500 |
1700 |
1900 |
2100 |
2300 |
0100 |
0300 |
0500 |
0700 |
0900 |
1028 |
1125 |
1040 |
1145 |
1025 |
1145 |
1028 |
1130 |
1046 |
1055 |
| 天候 |
快晴 |
曇り |
曇り |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
晴れ |
曇り |
曇り |
曇り |
雨 |
晴れ |
雪 |
快晴 |
| 気温 (℃) |
24.0 |
22.5 |
25.0 |
23.0 |
21.0 |
20.8 |
20.7 |
19.9 |
18.1 |
18.0 |
18.3 |
18.1 |
19.8 |
22.6 |
23.0 |
21.4 |
23.0 |
25.0 |
20.5 |
13.5 |
3.0 |
9.5 |
5.5 |
8.0 |
| 水温 (℃) |
14.5 |
20.0 |
19.5 |
19.5 |
18.6 |
17.8 |
17.0 |
16.0 |
15.3 |
14.7 |
14.4 |
14.3 |
14.9 |
18.7 |
23.0 |
15.5 |
18.2 |
18.0 |
14.0 |
10.5 |
7.0 |
8.0 |
3.0 |
8.5 |
| pH |
9.4 |
8.7 |
8.3 |
8.6 |
8.3 |
8.1 |
7.7 |
7.7 |
7.6 |
7.7 |
7.6 |
7.8 |
7.9 |
8.7 |
8.7 |
7.8 |
8 |
7.8 |
7.6 |
9 |
7.9 |
9 |
7.9 |
7.5 |
| DO (mg/l) |
12 |
10 |
10 |
11 |
9.5 |
9.5 |
8.8 |
8.6 |
8.9 |
9.3 |
9.4 |
9.5 |
10 |
10 |
9.8 |
10 |
10 |
9.6 |
10 |
12 |
13 |
13 |
13 |
12 |
| BOD (mg/l) |
2.9 |
1.6 |
2.9 |
2 |
1.6 |
2.3 |
2.5 |
2.7 |
2.7 |
1.7 |
1.6 |
1.2 |
1.5 |
2.7 |
3.2 |
0.6 |
0.7 |
0.6 |
< 0.5 |
1.5 |
0.8 |
4 |
3 |
4.4 |
| SS (mg/l) |
2 |
2 |
2 |
1 |
1 |
1 |
< 1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
2 |
3 |
1 |
3 |
2 |
1 |
< 1 |
2 |
1 |
2 |
| 大腸菌群数 (MPN/100ml) |
1.7E+04 |
1.7E+04 |
|
|
1.7E+04 |
|
|
7.0E+04 |
|
|
7.9E+03 |
|
|
9.2E+04 |
3.5E+04 |
1.1E+04 |
1.1E+04 |
1.7E+04 |
3.3E+04 |
2.4E+04 |
5.4E+03 |
3.5E+04 |
3.5E+04 |
3.5E+04 |
| 全窒素 (mg/l) |
|
|
|
0.46 |
|
0.46 |
|
0.64 |
|
0.49 |
|
0.5 |
|
0.6 |
|
|
|
|
|
|
|
|
|
|
| 全燐 (mg/l) |
|
|
|
0.033 |
|
0.034 |
|
0.038 |
|
0.02 |
|
0.018 |
|
0.056 |
|
|
|
|
|
|
|
|
|
|