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 |
2015.04.15 |
2015.05.13 |
2015.06.17 |
2015.07.15 |
2015.08.04 |
2015.09.16 |
2015.10.14 |
2015.11.17 |
2015.12.16 |
2016.01.12 |
2016.02.18 |
2016.03.02 |
| 採取時刻 |
1135 |
1129 |
1208 |
1137 |
1027 |
1155 |
1006 |
1005 |
1004 |
1013 |
1151 |
1140 |
| 気温 (℃) |
16.1 |
17.5 |
19.6 |
24.4 |
30.2 |
18.2 |
15.6 |
16.5 |
11.4 |
1.0 |
5.0 |
3.0 |
| 水温 (℃) |
10.4 |
13.2 |
16.0 |
19.0 |
22.5 |
16.4 |
13.0 |
11.5 |
6.8 |
2.1 |
2.8 |
3.4 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 全水深 (m) |
0.48 |
0.25 |
0.38 |
0.28 |
0.23 |
0.45 |
0.25 |
0.40 |
0.34 |
0.20 |
0.26 |
0.25 |
| pH |
7.3 |
7.4 |
7.5 |
7.4 |
7.6 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.2 |
| DO (mg/l) |
11 |
10 |
9.8 |
9.3 |
8.8 |
9.6 |
10 |
10 |
12 |
13 |
13 |
12 |
| BOD (mg/l) |
0.6 |
0.9 |
0.9 |
1.8 |
1.7 |
1.5 |
0.9 |
0.9 |
0.7 |
1.3 |
0.8 |
0.9 |
| SS (mg/l) |
< 1 |
1 |
2 |
1 |
1 |
2 |
2 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
49 |
240 |
1300 |
1700 |
4900 |
790 |
490 |
490 |
170 |
110 |
49 |
49 |
| 全窒素 (mg/l) |
0.30 |
0.42 |
0.25 |
0.29 |
0.40 |
0.40 |
0.25 |
0.22 |
0.31 |
0.31 |
0.26 |
0.34 |
| 全燐 (mg/l) |
0.004 |
0.004 |
0.009 |
0.007 |
0.006 |
0.008 |
0.005 |
0.007 |
0.005 |
0.007 |
0.004 |
0.005 |