測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50301 |
田瀬ダム貯水池 |
L‐5(ダムサイト) |
A |
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 |
1990.01.17 |
1990.01.17 |
1990.03.07 |
1990.03.07 |
1990.03.07 |
採取時刻 |
0920 |
0920 |
0920 |
0925 |
0925 |
0925 |
0926 |
0926 |
0926 |
0958 |
0958 |
0958 |
0930 |
0930 |
0930 |
0921 |
0921 |
0921 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
17.8 |
17.8 |
17.8 |
26.3 |
26.3 |
26.3 |
16.4 |
16.4 |
16.4 |
8.5 |
8.5 |
8.5 |
-5.2 |
-5.2 |
-5.2 |
6.1 |
6.1 |
6.1 |
水温 (℃) |
14.8 |
5.8 |
4.8 |
24.4 |
5.7 |
4.9 |
17.5 |
14.8 |
4.5 |
10 |
8 |
6.5 |
1.1 |
3.6 |
3.9 |
5.3 |
3.7 |
3.5 |
流量 (m3/s) |
13.6 |
|
|
5.1 |
|
|
27.3 |
|
|
15.5 |
|
|
11.4 |
|
|
14.8 |
|
|
採取水深 (m) |
0.5 |
27 |
53 |
0.5 |
22.5 |
44 |
0.5 |
23 |
45 |
0.5 |
12.3 |
23.5 |
0.5 |
12 |
23 |
0.5 |
22.5 |
44 |
全水深 (m) |
54.0 |
54.0 |
54.0 |
45.0 |
45.0 |
45.0 |
46.0 |
46.0 |
46.0 |
24.5 |
24.5 |
24.5 |
24.0 |
24.0 |
24.0 |
45.0 |
45.0 |
45.0 |
pH |
8.5 |
7.2 |
7.2 |
9.2 |
7 |
6.8 |
8.5 |
7.1 |
6.8 |
7.2 |
7 |
6.8 |
7.3 |
7.2 |
7.2 |
7.2 |
7 |
6.7 |
DO (mg/l) |
11.4 |
9.7 |
8.5 |
9.9 |
9.4 |
2.1 |
10.1 |
6.7 |
0.9 |
8.6 |
1.1 |
2.1 |
13.6 |
12.2 |
9.2 |
11.1 |
9.9 |
6 |
BOD (mg/l) |
1.7 |
0.5 |
0.7 |
1.5 |
0.6 |
1 |
0.9 |
0.5 |
0.8 |
1 |
1.1 |
1.3 |
1 |
1.1 |
0.7 |
0.7 |
0.9 |
1.5 |
COD (mg/l) |
2.1 |
2 |
1.6 |
3 |
1.9 |
2.4 |
3.6 |
2.9 |
2.3 |
3.5 |
3.1 |
3.4 |
1.6 |
1.9 |
1.9 |
2.2 |
3.4 |
9.9 |
SS (mg/l) |
2 |
1 |
1 |
1 |
1 |
1 |
3 |
4 |
2 |
23 |
16 |
15 |
4 |
6 |
7 |
3 |
11 |
61 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
5.0E+00 |
2.0E+00 |
7.0E+00 |
2.0E+00 |
5.0E+00 |
8.0E+00 |
3.3E+02 |
4.9E+01 |
2.2E+02 |
7.9E+01 |
7.9E+01 |
7.9E+01 |
3.3E+02 |
4.9E+01 |
1.3E+01 |
3.3E+01 |
7.9E+01 |
全窒素 (mg/l) |
0.65 |
0.79 |
0.76 |
0.51 |
0.75 |
0.87 |
0.64 |
0.78 |
0.9 |
1.2 |
1.2 |
0.95 |
0.73 |
0.74 |
0.84 |
1.01 |
1.08 |
2.75 |
全燐 (mg/l) |
0.014 |
0.016 |
0.012 |
0.006 |
0.01 |
0.031 |
0.016 |
0.03 |
0.028 |
0.063 |
0.073 |
0.047 |
0.016 |
0.022 |
0.023 |
0.023 |
0.038 |
0.21 |
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 |
|
|