測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 26003 |
鷹生川 |
鷹生ダム直下 |
|
測定結果
| 採取年月日 |
2010.04.14 |
2010.05.19 |
2010.06.15 |
2010.07.14 |
2010.08.18 |
2010.09.15 |
2010.10.13 |
2010.11.17 |
2010.12.14 |
2011.01.11 |
2011.02.02 |
2011.03.02 |
| 採取時刻 |
1009 |
1002 |
1030 |
1003 |
1038 |
0950 |
1006 |
1007 |
1032 |
1003 |
1019 |
1004 |
| 気温 (℃) |
12.0 |
21.0 |
22.0 |
20.7 |
25.5 |
22.4 |
24.9 |
11.0 |
8.7 |
-0.2 |
2.8 |
6.6 |
| 水温 (℃) |
5.5 |
12.1 |
13.7 |
17.6 |
20.9 |
20.0 |
15.8 |
9.2 |
6.8 |
1.9 |
1.8 |
3.7 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.5 |
7.8 |
7.4 |
7.2 |
7.3 |
7.4 |
| DO (mg/l) |
12 |
10 |
10 |
9.5 |
8.9 |
9.2 |
10 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
0.8 |
1.3 |
1.2 |
1.5 |
1.0 |
1.4 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
| SS (mg/l) |
1 |
< 1 |
< 1 |
1 |
< 1 |
2 |
1 |
1 |
1 |
1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
1.1E+02 |
7.9E+01 |
4.9E+02 |
7.9E+02 |
3.3E+03 |
2.2E+03 |
1.1E+03 |
2.4E+02 |
2.2E+02 |
4.9E+01 |
4.0E+00 |
1.7E+01 |
| 全窒素 (mg/l) |
0.42 |
0.45 |
0.39 |
0.51 |
0.45 |
0.45 |
0.44 |
0.26 |
0.17 |
0.49 |
0.47 |
0.38 |
| 全燐 (mg/l) |
0.005 |
0.007 |
0.004 |
0.007 |
0.009 |
0.012 |
0.008 |
0.007 |
0.011 |
0.008 |
0.006 |
0.007 |