測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 50651 |
綱取ダム貯水池 |
Ｌ‐１３ |
A |
測定結果
| 採取年月日 |
1990.05.07 |
1990.05.07 |
1990.05.07 |
1990.06.18 |
1990.06.18 |
1990.06.18 |
1990.07.16 |
1990.07.16 |
1990.08.20 |
1990.08.20 |
1990.08.20 |
1990.09.28 |
1990.09.28 |
1990.10.22 |
1990.10.22 |
1990.10.22 |
| 採取時刻 |
1127 |
1127 |
1127 |
1445 |
1445 |
1445 |
1020 |
1020 |
1015 |
1015 |
1015 |
1005 |
1005 |
1015 |
1015 |
1015 |
| 天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
一時雨 |
一時雨 |
一時雨 |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
25 |
25 |
25 |
26 |
26 |
26 |
25 |
25 |
25 |
25 |
25 |
19.8 |
19.8 |
17 |
17 |
17 |
| 水温 (℃) |
14.5 |
10 |
8.2 |
23.8 |
11.3 |
9 |
19.5 |
8.5 |
22 |
16 |
13.9 |
16.8 |
14.2 |
14.5 |
14 |
13.8 |
| 採取水深 (m) |
0 |
5 |
10 |
0 |
5.5 |
10 |
0 |
8 |
0 |
5 |
9.5 |
0 |
8 |
0 |
5 |
9 |
| 全水深 (m) |
11.0 |
11.0 |
11.0 |
11.5 |
11.5 |
11.5 |
9.0 |
9.0 |
11.0 |
11.0 |
11.0 |
9.0 |
9.0 |
10.5 |
10.5 |
10.5 |
| 透明度 (m) |
320 |
|
|
300 |
|
|
250 |
|
280 |
|
|
230 |
|
350 |
|
|
| pH |
8 |
7.4 |
7.1 |
7.7 |
7 |
6.8 |
7.7 |
6.8 |
7.6 |
7.3 |
6.9 |
8.7 |
7.5 |
7.4 |
7.3 |
7.4 |
| DO (mg/l) |
11 |
10 |
10 |
9.1 |
9.1 |
7.3 |
9.8 |
5.8 |
8.8 |
9 |
4.1 |
11 |
9.6 |
9.6 |
9.1 |
9.3 |
| COD (mg/l) |
2.4 |
1.3 |
1.6 |
2.5 |
2.1 |
1.8 |
2.7 |
2.4 |
2.4 |
1.8 |
2.5 |
2.6 |
2.2 |
2 |
2 |
2.2 |
| SS (mg/l) |
2 |
2 |
2 |
1 |
1 |
1 |
2 |
8 |
1 |
7 |
6 |
3 |
10 |
1 |
1 |
4 |
| 大腸菌群数 (MPN/100ml) |
6.0E+00 |
|
|
2.0E+00 |
|
|
1.7E+03 |
|
2.2E+02 |
|
|
4.9E+01 |
|
1.4E+01 |
|
|
| 全窒素 (mg/l) |
0.51 |
|
|
0.15 |
|
|
0.48 |
|
0.59 |
|
|
0.51 |
|
0.39 |
|
|
| 全燐 (mg/l) |
0.02 |
|
|
0.008 |
|
|
0.02 |
|
0.013 |
|
|
0.032 |
|
0.006 |
|
|