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 |
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 |
1021 |
0947 |
1013 |
0947 |
1050 |
1000 |
1010 |
0955 |
1010 |
1012 |
1014 |
1050 |
| 気温 (℃) |
9.0 |
18.8 |
27.0 |
16.5 |
24.0 |
17.9 |
16.8 |
15.9 |
9.3 |
2.8 |
0.6 |
4.6 |
| 水温 (℃) |
7.9 |
13.6 |
17.1 |
14.5 |
16.1 |
7.4 |
15.1 |
10.8 |
5.8 |
2.6 |
3.1 |
3.1 |
| 全水深 (m) |
0.3 |
0.26 |
0.24 |
0.52 |
0.24 |
0.33 |
0.29 |
0.39 |
0.33 |
0.33 |
0.24 |
0.26 |
| pH |
7.3 |
7.5 |
7.5 |
7.5 |
7.5 |
7.3 |
7.5 |
7.4 |
7.5 |
7.4 |
7.4 |
7.4 |
| DO (mg/l) |
10 |
10 |
9.6 |
10 |
9.7 |
9.3 |
10 |
10 |
11 |
14 |
13 |
13 |
| BOD (mg/l) |
1.2 |
0.8 |
0.7 |
1.0 |
0.9 |
0.7 |
0.6 |
1.1 |
1.8 |
1.7 |
0.6 |
0.9 |
| SS (mg/l) |
1 |
2 |
1 |
2 |
1 |
15 |
1 |
2 |
3 |
< 1 |
< 1 |
1 |
| 大腸菌群数 (MPN/100ml) |
33 |
79 |
490 |
2400 |
3300 |
4900 |
1300 |
490 |
70 |
33 |
33 |
49 |
| 全窒素 (mg/l) |
0.43 |
0.44 |
0.42 |
0.47 |
0.44 |
0.68 |
0.45 |
0.37 |
0.42 |
0.40 |
0.40 |
0.39 |
| 全燐 (mg/l) |
0.006 |
0.008 |
0.010 |
0.011 |
0.010 |
0.052 |
0.009 |
0.014 |
0.010 |
0.007 |
0.008 |
0.006 |