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 |
2013.04.17 |
2013.05.15 |
2013.06.12 |
2013.07.10 |
2013.08.06 |
2013.09.11 |
2013.10.09 |
2013.11.13 |
2013.12.11 |
2014.01.07 |
2014.02.03 |
2014.03.03 |
採取時刻 |
1057 |
1117 |
1205 |
1220 |
1055 |
1034 |
1055 |
1220 |
1047 |
1047 |
1100 |
1123 |
気温 (℃) |
20.0 |
17.0 |
19.5 |
26.4 |
26.2 |
23.8 |
20.7 |
7.7 |
10.8 |
11.3 |
15.0 |
4.3 |
水温 (℃) |
9.8 |
10.7 |
13.3 |
18.4 |
16.1 |
15.7 |
15.5 |
5.3 |
4.9 |
1.4 |
4.4 |
2.8 |
採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
pH |
7.3 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.5 |
7.4 |
7.3 |
7.4 |
DO (mg/l) |
11 |
11 |
10 |
10 |
10 |
10 |
10 |
12 |
12 |
13 |
12 |
14 |
BOD (mg/l) |
0.8 |
0.7 |
0.8 |
< 0.5 |
0.6 |
1.0 |
< 0.5 |
0.5 |
1.0 |
1.4 |
< 0.5 |
1.1 |
SS (mg/l) |
< 1 |
< 1 |
1 |
1 |
2 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
4.9E+01 |
1.3E+02 |
3.3E+02 |
1.1E+03 |
2.2E+03 |
7.9E+02 |
4.9E+02 |
1.3E+02 |
1.7E+02 |
1.3E+01 |
3.3E+01 |
4.9E+01 |
全窒素 (mg/l) |
0.29 |
0.28 |
0.28 |
0.32 |
0.28 |
0.43 |
0.25 |
0.38 |
0.30 |
0.28 |
0.31 |
0.35 |
全燐 (mg/l) |
0.003 |
< 0.003 |
0.005 |
0.009 |
0.006 |
0.007 |
0.006 |
0.005 |
0.005 |
0.004 |
0.005 |
0.008 |