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 |
2007.04.18 |
2007.05.16 |
2007.06.13 |
2007.07.18 |
2007.08.22 |
2007.09.12 |
2007.10.17 |
2007.11.14 |
2007.12.12 |
2008.01.16 |
2008.02.06 |
2008.03.03 |
| 採取時刻 |
1104 |
1036 |
1048 |
1043 |
1120 |
1040 |
1051 |
1028 |
1045 |
1052 |
1057 |
1123 |
| 気温 (℃) |
7.8 |
18.0 |
23.5 |
14.2 |
20.8 |
15.9 |
15.8 |
16.0 |
9.3 |
-0.8 |
1.9 |
3.8 |
| 水温 (℃) |
6.1 |
10.8 |
14.8 |
11.7 |
14.1 |
15.0 |
11.0 |
8.6 |
5.2 |
0.9 |
0.8 |
1.8 |
| 全水深 (m) |
0.58 |
0.62 |
0.53 |
0.85 |
0.74 |
0.85 |
0.63 |
0.6 |
0.64 |
0.66 |
0.66 |
0.6 |
| pH |
7.4 |
7.5 |
7.7 |
7.4 |
7.5 |
7.2 |
7.5 |
7.4 |
7.4 |
7.3 |
7.3 |
7.3 |
| DO (mg/l) |
13 |
10 |
9.9 |
10 |
9.1 |
9.5 |
10 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
0.8 |
0.8 |
0.6 |
1.3 |
< 0.5 |
0.8 |
0.8 |
< 0.5 |
0.6 |
0.6 |
< 0.5 |
0.5 |
| SS (mg/l) |
1 |
< 1 |
1 |
< 1 |
2 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
49 |
170 |
170 |
790 |
2400 |
3300 |
490 |
240 |
79 |
22 |
17 |
33 |
| 全窒素 (mg/l) |
0.31 |
0.35 |
0.33 |
0.35 |
0.33 |
0.36 |
0.25 |
0.21 |
0.18 |
0.23 |
0.21 |
0.27 |
| 全燐 (mg/l) |
< 0.003 |
0.005 |
0.009 |
0.007 |
0.007 |
0.007 |
0.004 |
0.004 |
< 0.003 |
< 0.003 |
0.005 |
< 0.003 |