測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
24501 |
綾里川 |
綾里川ダム流入前 |
|
測定結果
採取年月日 |
2008.04.16 |
2008.05.14 |
2008.06.17 |
2008.07.15 |
2008.08.25 |
2008.09.16 |
2008.10.08 |
2008.11.12 |
2008.12.16 |
2009.01.14 |
2009.02.05 |
2009.03.02 |
採取時刻 |
1015 |
1013 |
1006 |
1011 |
1025 |
1008 |
1655 |
0925 |
1017 |
1039 |
0920 |
1029 |
気温 (℃) |
21.2 |
12.5 |
21.8 |
22.0 |
20.6 |
21.5 |
15.8 |
12.0 |
5.9 |
1.3 |
4.0 |
2.0 |
水温 (℃) |
9.3 |
8.9 |
12.0 |
15.8 |
13.6 |
14.9 |
13.4 |
12.6 |
5.5 |
3.8 |
3.5 |
3.3 |
採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
全水深 (m) |
35 |
33 |
38 |
34 |
45 |
40 |
24 |
15 |
25 |
27 |
28 |
29 |
pH |
7.5 |
7.5 |
7.5 |
7.6 |
7.2 |
7.5 |
7.4 |
7.5 |
7.5 |
7.4 |
7.4 |
7.5 |
DO (mg/l) |
11 |
11 |
11 |
10 |
10 |
10 |
10 |
11 |
12 |
13 |
13 |
11 |
BOD (mg/l) |
< 0.5 |
< 0.5 |
< 0.5 |
0.8 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.5 |
SS (mg/l) |
< 1 |
1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
3.3E+01 |
1.7E+02 |
1.7E+02 |
4.9E+02 |
2.4E+03 |
1.1E+03 |
3.3E+02 |
1.7E+02 |
1.1E+02 |
4.9E+01 |
3.3E+01 |
3.3E+01 |
全窒素 (mg/l) |
0.64 |
0.35 |
0.27 |
0.46 |
0.73 |
0.37 |
0.44 |
0.26 |
0.39 |
0.71 |
0.62 |
0.58 |
全燐 (mg/l) |
0.014 |
0.016 |
0.018 |
0.018 |
0.022 |
0.019 |
0.020 |
0.013 |
0.014 |
0.012 |
0.011 |
0.016 |
全マンガン (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |