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 |
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 |
1050 |
1003 |
1033 |
1040 |
0927 |
1010 |
1042 |
1018 |
1040 |
1020 |
1023 |
1057 |
| 気温 (℃) |
11.9 |
20.0 |
14.6 |
25.5 |
21.0 |
22.5 |
20.0 |
5.8 |
3.2 |
4.0 |
-0.5 |
4.0 |
| 水温 (℃) |
7.7 |
11.9 |
11.5 |
16.1 |
15.5 |
14.2 |
10.5 |
5.3 |
2.0 |
2.5 |
1.4 |
2.8 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.3 |
7.4 |
7.3 |
7.4 |
7.5 |
7.5 |
7.4 |
7.3 |
7.3 |
7.4 |
7.2 |
7.4 |
| DO (mg/l) |
11 |
10 |
11 |
9.9 |
9.7 |
10 |
10 |
12 |
13 |
13 |
14 |
13 |
| BOD (mg/l) |
< 0.5 |
0.7 |
0.8 |
0.6 |
0.8 |
< 0.5 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
< 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) |
7.9E+01 |
2.2E+02 |
4.9E+02 |
7.9E+02 |
1.7E+03 |
7.9E+02 |
3.3E+02 |
7.9E+01 |
3.3E+01 |
2.3E+01 |
1.3E+01 |
2.3E+01 |
| 全窒素 (mg/l) |
0.47 |
0.29 |
0.24 |
0.23 |
0.27 |
0.23 |
0.07 |
0.33 |
0.26 |
0.23 |
0.28 |
0.31 |
| 全燐 (mg/l) |
< 0.003 |
< 0.003 |
< 0.003 |
0.007 |
0.007 |
0.006 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |