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 |
2009.04.20 |
2009.05.13 |
2009.06.16 |
2009.07.14 |
2009.08.18 |
2009.09.24 |
2009.10.13 |
2009.11.17 |
2009.12.15 |
2010.01.13 |
2010.02.04 |
2010.03.01 |
| 採取時刻 |
1012 |
1022 |
1030 |
1030 |
1030 |
1056 |
1041 |
1035 |
1035 |
1019 |
1028 |
1032 |
| 気温 (℃) |
13.2 |
18.1 |
17.8 |
29.0 |
21.0 |
25.4 |
21.0 |
13.0 |
5.4 |
3.4 |
2.6 |
4.6 |
| 水温 (℃) |
9.5 |
12.5 |
11.9 |
17.9 |
16.4 |
16.0 |
12.5 |
9.9 |
5.7 |
4.8 |
2.1 |
3.7 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.5 |
7.6 |
7.4 |
7.6 |
7.7 |
7.7 |
7.5 |
7.4 |
7.5 |
7.2 |
7.4 |
7.5 |
| DO (mg/l) |
11 |
10 |
10 |
10 |
9.8 |
9.7 |
10 |
11 |
12 |
12 |
14 |
13 |
| BOD (mg/l) |
0.5 |
0.7 |
0.6 |
0.6 |
0.7 |
1.2 |
0.5 |
1.1 |
< 0.5 |
0.9 |
1.2 |
0.8 |
| SS (mg/l) |
< 1 |
6 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
2 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
7.9E+01 |
1.3E+02 |
3.3E+02 |
7.9E+02 |
2.4E+03 |
1.1E+03 |
3.3E+02 |
4.9E+02 |
2.2E+02 |
7.0E+01 |
8.0E+00 |
2.3E+01 |
| 全窒素 (mg/l) |
0.38 |
0.38 |
0.27 |
0.27 |
0.26 |
0.32 |
0.39 |
0.57 |
0.46 |
0.45 |
0.32 |
0.32 |
| 全燐 (mg/l) |
0.016 |
0.022 |
0.017 |
0.019 |
0.013 |
0.018 |
0.018 |
0.018 |
0.016 |
0.028 |
0.014 |
0.014 |
| 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 |