測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50401 |
石淵ダム貯水池 |
L‐11(ダムサイト) |
AA |
測定結果
採取年月日 |
1989.05.17 |
1989.05.17 |
1989.05.17 |
1989.07.19 |
1989.07.19 |
1989.07.19 |
1989.09.27 |
1989.09.27 |
1989.09.27 |
1989.11.15 |
1989.11.15 |
1989.11.15 |
1990.01.17 |
1990.03.07 |
採取時刻 |
1000 |
1000 |
1000 |
0945 |
0945 |
0945 |
0957 |
0957 |
0957 |
0940 |
0940 |
0940 |
0940 |
0935 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
気温 (℃) |
15.2 |
15.2 |
15.2 |
22 |
22 |
22 |
20 |
20 |
20 |
9.5 |
9.5 |
9.5 |
-2 |
0 |
水温 (℃) |
8.8 |
6.9 |
6.9 |
20 |
7.5 |
7.3 |
13.7 |
12.4 |
12.2 |
5.1 |
11.8 |
12.2 |
0 |
0.3 |
流量 (m3/s) |
18.3 |
|
|
6.3 |
|
|
8.0 |
|
|
4.9 |
|
|
6.4 |
3.5 |
採取水深 (m) |
0.5 |
16 |
32.2 |
0.5 |
16 |
24.8 |
0.5 |
9 |
17.2 |
0.5 |
15 |
26.1 |
0.5 |
0.5 |
全水深 (m) |
33.2 |
33.2 |
33.2 |
25.8 |
25.8 |
25.8 |
18.2 |
18.2 |
18.2 |
27.1 |
27.1 |
27.1 |
27.9 |
21.1 |
pH |
7.3 |
7.3 |
7.2 |
7.5 |
7.1 |
6.9 |
7.4 |
7.3 |
7.2 |
7.4 |
7.4 |
7.4 |
7.2 |
7.1 |
DO (mg/l) |
11.3 |
11.5 |
11.4 |
9 |
9.3 |
7 |
9.8 |
9 |
8.4 |
10.8 |
10.1 |
10.2 |
13.7 |
11.9 |
BOD (mg/l) |
0.7 |
0.4 |
0.5 |
0.7 |
0.5 |
0.7 |
0.8 |
1 |
0.7 |
0.9 |
0.6 |
0.5 |
0.7 |
0.9 |
COD (mg/l) |
1.6 |
1.3 |
1.3 |
1.9 |
1.5 |
1.6 |
1.6 |
1.9 |
2.1 |
1.3 |
1.2 |
3.7 |
1.1 |
1.1 |
SS (mg/l) |
7 |
8 |
8 |
2 |
2 |
4 |
14 |
19 |
29 |
3 |
6 |
81 |
1 |
7 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
5.0E+00 |
5.0E+00 |
1.3E+02 |
2.0E+00 |
3.3E+01 |
2.4E+02 |
4.9E+01 |
4.9E+02 |
3.3E+01 |
1.3E+01 |
1.7E+01 |
2.0E+00 |
2.0E+00 |
全窒素 (mg/l) |
0.39 |
|
|
0.16 |
|
|
0.21 |
|
|
0.17 |
|
|
0.21 |
0.34 |
全燐 (mg/l) |
0.008 |
|
|
0.006 |
|
|
0.014 |
|
|
0.007 |
|
|
0.003 |
0.006 |
カドミウム (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
全シアン (mg/l) |
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
N |
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
N |
鉛 (mg/l) |
< 0.05 |
|
|
< 0.05 |
|
|
< 0.05 |
|
|
< 0.05 |
|
|
< 0.05 |
< 0.05 |
六価クロム (mg/l) |
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
< 0.02 |
砒素 (mg/l) |
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
|
|
< 0.02 |
< 0.02 |
総水銀 (mg/l) |
< 0.0005 |
|
|
< 0.0005 |
|
|
< 0.0005 |
|
|
< 0.0005 |
|
|
< 0.0005 |
< 0.0005 |