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 |
2013.04.17 |
2013.05.15 |
2013.06.12 |
2013.07.10 |
2013.08.06 |
2013.09.11 |
2013.10.09 |
2013.11.13 |
2013.12.11 |
2014.01.07 |
2014.02.03 |
2014.03.03 |
| 採取時刻 |
1121 |
1135 |
1225 |
1240 |
1025 |
1000 |
1025 |
1241 |
1020 |
1018 |
1031 |
1040 |
| 気温 (℃) |
21.0 |
15.0 |
18.5 |
26.6 |
26.5 |
22.4 |
20.7 |
9.7 |
11.3 |
10.1 |
14.8 |
4.5 |
| 水温 (℃) |
8.8 |
11.7 |
14.4 |
19.2 |
18.0 |
19.2 |
16.8 |
9.3 |
6.6 |
3.3 |
2.5 |
2.7 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.3 |
7.4 |
7.3 |
7.5 |
7.4 |
7.5 |
7.4 |
7.3 |
7.5 |
7.5 |
7.3 |
7.9 |
| DO (mg/l) |
11 |
10 |
10 |
9.5 |
10 |
9.5 |
9.8 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
1.3 |
2.4 |
0.9 |
1.3 |
1.1 |
1.5 |
0.9 |
0.6 |
1.2 |
1.9 |
1.0 |
1.4 |
| SS (mg/l) |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
1.3E+02 |
2.8E+02 |
7.9E+02 |
7.9E+02 |
4.9E+03 |
1.3E+03 |
7.9E+02 |
4.9E+02 |
3.5E+02 |
3.3E+01 |
4.9E+01 |
3.3E+01 |
| 全窒素 (mg/l) |
0.46 |
0.45 |
0.35 |
0.39 |
0.42 |
0.60 |
0.37 |
0.49 |
0.45 |
0.39 |
0.36 |
0.43 |
| 全燐 (mg/l) |
0.007 |
0.006 |
0.006 |
0.009 |
0.010 |
0.008 |
0.007 |
0.007 |
0.008 |
0.006 |
0.005 |
0.006 |