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 |
2003.04.16 |
2003.05.14 |
2003.06.11 |
2003.07.14 |
2003.08.12 |
2003.09.17 |
2003.10.15 |
2003.11.19 |
2003.12.17 |
2004.01.21 |
2004.02.24 |
2004.03.03 |
| 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 |
7.7 |
7.5 |
7.4 |
7.5 |
7.6 |
7.6 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
| DO (mg/l) |
9.7 |
9.4 |
9.3 |
8.6 |
8.6 |
7.1 |
10.1 |
10.5 |
11.3 |
12 |
12.4 |
12.3 |
| BOD (mg/l) |
< 0.5 |
< 0.5 |
0.7 |
0.7 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.5 |
1 |
0.7 |
< 0.5 |
| COD (mg/l) |
1.1 |
0.9 |
1.2 |
1.3 |
1.8 |
1 |
1.9 |
1.1 |
1.4 |
0.9 |
1 |
0.8 |
| SS (mg/l) |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
| 大腸菌群数 (MPN/100ml) |
1.1E+01 |
2.3E+01 |
2.4E+02 |
4.9E+02 |
7.9E+02 |
1.3E+03 |
1.7E+03 |
1.1E+02 |
7.9E+01 |
7.9E+01 |
4.9E+01 |
4.0E+00 |
| 全窒素 (mg/l) |
0.4 |
0.44 |
0.38 |
0.24 |
0.29 |
0.26 |
0.4 |
0.24 |
0.25 |
0.38 |
0.12 |
0.25 |
| 全燐 (mg/l) |
0.02 |
0.02 |
0.02 |
0.019 |
0.026 |
0.019 |
0.013 |
0.018 |
0.014 |
0.015 |
0.014 |
0.011 |
| 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 |
| クロロフィル-a (ug/l) |
1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |