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 |
2009.04.23 |
2009.05.13 |
2009.06.17 |
2009.07.15 |
2009.08.19 |
2009.09.16 |
2009.10.14 |
2009.11.19 |
2009.12.16 |
2010.01.13 |
2010.02.04 |
2010.03.01 |
| 採取時刻 |
1000 |
0942 |
1013 |
0955 |
0910 |
0956 |
1021 |
0947 |
1005 |
1000 |
0957 |
1030 |
| 気温 (℃) |
13.1 |
19.0 |
14.6 |
23.0 |
21.5 |
19.5 |
17.5 |
5.5 |
2.5 |
3.5 |
-0.5 |
4.0 |
| 水温 (℃) |
9.4 |
12.1 |
13.4 |
17.1 |
18.0 |
16.1 |
13.8 |
9.3 |
5.5 |
2.3 |
1.2 |
2.8 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.4 |
7.4 |
7.4 |
7.5 |
7.5 |
7.5 |
7.6 |
7.3 |
7.4 |
7.4 |
7.3 |
7.4 |
| DO (mg/l) |
11 |
10 |
10 |
9.5 |
9.2 |
9.4 |
10 |
11 |
12 |
13 |
14 |
13 |
| BOD (mg/l) |
0.5 |
0.9 |
0.8 |
1.6 |
0.7 |
0.9 |
0.8 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.8 |
| SS (mg/l) |
3 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
3 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
2.2E+02 |
1.3E+02 |
3.3E+02 |
4.9E+02 |
3.3E+03 |
7.9E+02 |
1.1E+03 |
7.9E+01 |
2.3E+01 |
1.7E+01 |
8.0E+00 |
1.7E+01 |
| 全窒素 (mg/l) |
0.55 |
0.40 |
0.36 |
0.57 |
0.42 |
0.31 |
0.24 |
0.45 |
0.52 |
0.34 |
0.36 |
0.37 |
| 全燐 (mg/l) |
0.012 |
0.004 |
0.007 |
0.007 |
0.007 |
0.007 |
0.007 |
0.008 |
0.005 |
< 0.003 |
< 0.003 |
< 0.003 |