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 |
2005.04.12 |
2005.05.18 |
2005.06.08 |
2005.07.13 |
2005.08.10 |
2005.09.14 |
2005.10.12 |
2005.11.02 |
2005.12.14 |
2006.01.18 |
2006.02.08 |
2006.03.02 |
| 採取時刻 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.5 |
7.6 |
7.5 |
7.6 |
7.5 |
7.5 |
7.6 |
7.3 |
7.5 |
7.4 |
7.6 |
7.3 |
| DO (mg/l) |
11 |
11 |
9.7 |
9.6 |
9.1 |
9 |
9.2 |
10 |
11 |
11 |
13 |
11 |
| BOD (mg/l) |
< 0.5 |
0.9 |
0.9 |
< 0.5 |
< 0.5 |
1 |
0.5 |
1.2 |
0.8 |
1.9 |
0.5 |
0.9 |
| COD (mg/l) |
1.2 |
1.2 |
1.1 |
1.3 |
1.5 |
1 |
1.1 |
1.3 |
0.7 |
1.2 |
1.4 |
1.6 |
| SS (mg/l) |
1 |
< 1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
2 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
33 |
79 |
240 |
330 |
1700 |
1100 |
1300 |
330 |
240 |
17 |
11 |
23 |
| 全窒素 (mg/l) |
0.2 |
0.32 |
0.33 |
0.34 |
0.18 |
0.31 |
0.38 |
0.48 |
0.31 |
0.42 |
0.3 |
0.86 |
| 全燐 (mg/l) |
0.017 |
0.023 |
0.02 |
0.018 |
0.037 |
0.021 |
0.021 |
0.018 |
0.013 |
0.018 |
0.013 |
0.012 |
| クロロフィル-a (ug/l) |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |