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 |
2007.04.18 |
2007.05.16 |
2007.06.13 |
2007.07.18 |
2007.08.22 |
2007.09.12 |
2007.10.17 |
2007.11.14 |
2007.12.12 |
2008.01.16 |
2008.02.06 |
2008.03.03 |
| 採取時刻 |
1024 |
1010 |
1015 |
1010 |
1009 |
1028 |
1020 |
1020 |
1024 |
1016 |
1010 |
1030 |
| 気温 (℃) |
11.8 |
21.5 |
30 |
19.5 |
26 |
17.5 |
17.5 |
15 |
7 |
1 |
3.5 |
6.5 |
| 水温 (℃) |
7.5 |
11.4 |
14 |
12.4 |
18.1 |
16.4 |
12.9 |
10.7 |
7.1 |
3 |
2.2 |
3.7 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 全水深 (m) |
0.42 |
0.39 |
0.37 |
0.5 |
0.35 |
0.5 |
0.33 |
0.37 |
0.34 |
0.33 |
0.34 |
0.3 |
| pH |
7.5 |
7.7 |
7.5 |
7.4 |
7.6 |
7.4 |
7.7 |
7.6 |
7.6 |
7.4 |
7.4 |
7.5 |
| DO (mg/l) |
12 |
11 |
10 |
10 |
9.3 |
9.4 |
10 |
10 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
0.7 |
< 0.5 |
< 0.5 |
0.8 |
0.5 |
< 0.5 |
1.6 |
0.5 |
1.3 |
0.7 |
< 0.5 |
< 0.5 |
| SS (mg/l) |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
2 |
1 |
| 大腸菌群数 (MPN/100ml) |
33 |
130 |
170 |
330 |
1700 |
3300 |
490 |
330 |
240 |
49 |
33 |
49 |
| 全窒素 (mg/l) |
0.27 |
0.3 |
0.32 |
0.39 |
0.33 |
0.69 |
0.6 |
0.43 |
0.37 |
0.49 |
0.44 |
0.44 |
| 全燐 (mg/l) |
0.018 |
0.022 |
0.02 |
0.024 |
0.018 |
0.023 |
0.026 |
0.013 |
0.016 |
0.015 |
0.014 |
0.016 |
| マンガン(溶解性) (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 |