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 |
2001.04.18 |
2001.05.16 |
2001.06.13 |
2001.07.11 |
2001.08.08 |
2001.09.17 |
2001.10.10 |
2001.11.14 |
2001.12.12 |
2002.01.16 |
2002.02.13 |
2002.03.11 |
| 採取水深 (m) |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| pH |
7.8 |
7.7 |
7.3 |
7.5 |
7.3 |
7.5 |
7.4 |
7.3 |
7.5 |
7.2 |
7.4 |
6.5 |
| DO (mg/l) |
9.6 |
9.4 |
10.3 |
9.0 |
7.8 |
9.1 |
9.9 |
10.4 |
10.0 |
12.1 |
7.5 |
11.2 |
| BOD (mg/l) |
0.8 |
0.5 |
0.7 |
0.6 |
0.5 |
1.2 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
1.0 |
| COD (mg/l) |
1.1 |
1.1 |
1.0 |
1.9 |
1.5 |
1.3 |
1.4 |
0.7 |
1.1 |
0.6 |
0.6 |
1.0 |
| SS (mg/l) |
1 |
1 |
< 1 |
3 |
2 |
2 |
2 |
3 |
< 1 |
< 1 |
< 1 |
2 |
| 大腸菌群数 (MPN/100ml) |
1.3E+01 |
7.0E+01 |
4.9E+02 |
4.9E+02 |
2.4E+02 |
4.9E+02 |
7.9E+02 |
4.9E+02 |
7.9E+01 |
4.9E+01 |
8.0E+00 |
3.3E+01 |
| 全窒素 (mg/l) |
0.58 |
0.45 |
0.59 |
0.91 |
0.66 |
0.41 |
0.81 |
0.25 |
0.10 |
0.61 |
0.40 |
0.46 |
| 全燐 (mg/l) |
0.031 |
0.033 |
0.024 |
0.036 |
0.028 |
0.022 |
0.016 |
0.019 |
0.018 |
0.047 |
0.019 |
0.021 |
| 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) |
2 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
2 |