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 |
2013.01.17 |
2013.02.04 |
2013.03.04 |
2012.04.25 |
2012.05.21 |
2012.06.13 |
2012.07.18 |
2012.08.07 |
2012.09.12 |
2012.10.17 |
2012.11.14 |
2012.12.12 |
| 採取時刻 |
1003 |
1040 |
1144 |
1025 |
1141 |
1108 |
1000 |
1205 |
0950 |
1049 |
1042 |
1130 |
| 気温 (℃) |
1.2 |
2 |
6.8 |
20.4 |
22.7 |
14.8 |
26.6 |
29.2 |
23.4 |
19 |
13.4 |
5 |
| 水温 (℃) |
1.8 |
2.2 |
3.5 |
9.4 |
12.9 |
14.9 |
19.5 |
22.3 |
19.7 |
15.5 |
10.7 |
5.1 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.3 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
7.5 |
7.5 |
7.4 |
7.4 |
7.3 |
7.3 |
| DO (mg/l) |
13 |
13 |
13 |
11 |
11 |
11 |
9.4 |
8.9 |
9.4 |
10 |
11 |
12 |
| BOD (mg/l) |
1.4 |
< 0.5 |
0.7 |
1.0 |
1.1 |
1.0 |
1.9 |
1.4 |
2.9 |
0.6 |
< 0.5 |
1.0 |
| SS (mg/l) |
< 1 |
< 1 |
< 1 |
2 |
1 |
1 |
1 |
1 |
2 |
2 |
< 1 |
1 |
| 大腸菌群数 (MPN/100ml) |
4.6E+01 |
3.3E+01 |
3.3E+01 |
7.0E+01 |
2.2E+02 |
4.9E+02 |
1.7E+03 |
4.9E+03 |
3.3E+03 |
7.9E+02 |
4.9E+02 |
2.4E+02 |
| 全窒素 (mg/l) |
0.36 |
0.35 |
0.34 |
0.54 |
0.50 |
0.38 |
0.43 |
0.41 |
0.34 |
0.47 |
0.46 |
0.48 |
| 全燐 (mg/l) |
0.004 |
0.004 |
0.004 |
0.005 |
0.006 |
0.008 |
0.009 |
0.009 |
0.009 |
0.016 |
0.007 |
0.008 |