測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 26001 |
鷹生川 |
鷹生ダム流入前 |
|
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 |
0936 |
1021 |
1115 |
1055 |
1125 |
1052 |
1050 |
1142 |
1015 |
1111 |
1130 |
1100 |
| 気温 (℃) |
1 |
1.2 |
6.5 |
20.2 |
24 |
15.5 |
28.3 |
30 |
26 |
19 |
13.5 |
4 |
| 水温 (℃) |
0.9 |
1 |
2 |
8.9 |
12.6 |
10.6 |
17.5 |
18.2 |
18.3 |
11.3 |
9 |
3.3 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.3 |
7.5 |
7.4 |
7.3 |
7.4 |
7.5 |
7.5 |
7.4 |
7.4 |
7.4 |
7.3 |
7.2 |
| DO (mg/l) |
13 |
14 |
14 |
11 |
12 |
12 |
9.6 |
9.3 |
9.6 |
10 |
12 |
12 |
| BOD (mg/l) |
0.7 |
< 0.5 |
0.7 |
0.8 |
0.5 |
< 0.5 |
1.2 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
| SS (mg/l) |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
1.7E+01 |
1.7E+01 |
2.2E+01 |
4.9E+01 |
1.7E+02 |
4.9E+02 |
1.3E+03 |
3.3E+03 |
1.3E+03 |
3.3E+02 |
2.2E+02 |
7.9E+01 |
| 全窒素 (mg/l) |
0.22 |
0.26 |
0.25 |
0.47 |
0.39 |
0.27 |
0.34 |
0.40 |
0.14 |
0.36 |
0.28 |
0.27 |
| 全燐 (mg/l) |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.004 |
0.006 |
0.007 |
0.007 |
0.006 |
0.012 |
0.003 |
0.006 |