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 |
2014.04.16 |
2014.05.14 |
2014.06.11 |
2014.07.09 |
2014.08.05 |
2014.09.08 |
2014.10.15 |
2014.11.12 |
2014.12.16 |
2015.01.06 |
2015.02.02 |
2015.03.02 |
| 採取時刻 |
1020 |
0952 |
1020 |
0956 |
1015 |
1000 |
0953 |
1220 |
1233 |
1139 |
1000 |
1135 |
| 気温 (℃) |
17.2 |
19 |
19.9 |
24.1 |
30.4 |
22 |
16.7 |
13.3 |
-0.6 |
4.5 |
2.0 |
4.0 |
| 水温 (℃) |
7.8 |
13 |
14.7 |
17 |
19.8 |
18 |
13.8 |
10.3 |
4.7 |
2.6 |
1.7 |
3.3 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 全水深 (m) |
50 |
35 |
52 |
35 |
40 |
30 |
58 |
40 |
40 |
35 |
35 |
37 |
| pH |
7.3 |
7.4 |
7.3 |
7.4 |
7.5 |
7.4 |
7.5 |
7.3 |
7.3 |
7.4 |
7.3 |
7.0 |
| DO (mg/l) |
11 |
10 |
10 |
9.7 |
9.2 |
9.6 |
10 |
10 |
12 |
13 |
14 |
13 |
| BOD (mg/l) |
0.8 |
1.4 |
1.1 |
1.6 |
1.1 |
1.5 |
1.0 |
1.4 |
0.8 |
0.6 |
0.9 |
0.7 |
| SS (mg/l) |
2 |
2 |
2 |
2 |
2 |
< 1 |
3 |
< 1 |
2 |
1 |
1 |
1 |
| 大腸菌群数 (MPN/100ml) |
79 |
170 |
1100 |
490 |
2200 |
2200 |
1300 |
700 |
220 |
49 |
17 |
49 |
| 全窒素 (mg/l) |
0.55 |
0.30 |
0.45 |
0.43 |
0.35 |
0.41 |
0.40 |
0.36 |
0.39 |
0.32 |
0.32 |
0.56 |
| 全燐 (mg/l) |
0.007 |
0.008 |
0.010 |
0.008 |
0.008 |
0.006 |
0.011 |
0.006 |
0.007 |
0.005 |
0.005 |
0.007 |