測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 24503 |
綾里川 |
綾里川ダム直下 |
|
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 |
0948 |
0959 |
1005 |
0945 |
1010 |
1030 |
1011 |
1005 |
1000 |
0956 |
1001 |
1010 |
| 気温 (℃) |
14.4 |
17.3 |
17.8 |
28.5 |
21.0 |
24.8 |
22.2 |
13.0 |
7.5 |
3.8 |
-1.5 |
5.8 |
| 水温 (℃) |
10.9 |
13.2 |
14.9 |
20.4 |
21.1 |
20.6 |
17.0 |
12.5 |
7.8 |
4.6 |
3.0 |
3.9 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.6 |
7.6 |
7.4 |
7.4 |
7.6 |
7.6 |
7.5 |
7.4 |
7.5 |
7.4 |
7.5 |
7.5 |
| DO (mg/l) |
11 |
10 |
11 |
9.6 |
8.6 |
9.8 |
9.7 |
10 |
12 |
12 |
14 |
13 |
| BOD (mg/l) |
1.9 |
1.5 |
1.0 |
1.4 |
1.0 |
0.9 |
1.0 |
0.7 |
1.2 |
1.1 |
1.2 |
1.9 |
| SS (mg/l) |
6 |
4 |
1 |
3 |
2 |
4 |
1 |
2 |
1 |
2 |
4 |
5 |
| 大腸菌群数 (MPN/100ml) |
1.1E+02 |
4.9E+02 |
2.8E+02 |
7.0E+02 |
2.8E+03 |
2.8E+03 |
1.1E+03 |
4.9E+02 |
3.5E+02 |
3.3E+01 |
1.3E+01 |
4.9E+01 |
| 全窒素 (mg/l) |
0.33 |
0.36 |
0.34 |
0.38 |
0.37 |
0.29 |
0.31 |
0.47 |
0.42 |
0.34 |
0.36 |
0.32 |
| 全燐 (mg/l) |
0.019 |
0.018 |
0.016 |
0.017 |
0.021 |
0.015 |
0.016 |
0.016 |
0.011 |
0.014 |
0.016 |
0.015 |
| 全マンガン (mg/l) |
0.11 |
0.07 |
0.02 |
0.15 |
0.11 |
0.09 |
0.05 |
0.09 |
0.04 |
0.04 |
0.07 |
0.22 |