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 |
1993.05.12 |
1993.05.12 |
1993.05.12 |
1993.07.14 |
1993.07.14 |
1993.07.14 |
1993.09.08 |
1993.09.08 |
1993.09.08 |
1993.11.17 |
1993.11.17 |
1993.11.17 |
1994.01.19 |
1994.01.19 |
1994.01.19 |
1994.03.09 |
1994.03.09 |
1994.03.09 |
採取時刻 |
0915 |
1019 |
1041 |
0925 |
1018 |
1055 |
0935 |
1028 |
1101 |
0943 |
1028 |
1108 |
1117 |
1209 |
1242 |
1018 |
1105 |
1136 |
天候 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
18.3 |
20.4 |
20.8 |
18.5 |
18.4 |
18.0 |
16.4 |
19.4 |
19.2 |
16.0 |
16.4 |
18.6 |
-1.7 |
-2.5 |
-3.0 |
0.8 |
0.8 |
0.7 |
水温 (℃) |
13.1 |
5.7 |
4.3 |
21.0 |
5.8 |
4.8 |
22.6 |
15.8 |
5.1 |
11.2 |
8.7 |
4.8 |
3.3 |
3.3 |
4.0 |
3.0 |
3.9 |
4.5 |
採取水深 (m) |
0.5 |
25.5 |
50.0 |
0.5 |
23.0 |
45.0 |
0.5 |
21.4 |
41.8 |
0.5 |
27.2 |
53.4 |
0.5 |
25.1 |
49.2 |
0.5 |
23.0 |
45.0 |
全水深 (m) |
51.0 |
51.0 |
51.0 |
46.0 |
46.0 |
46.0 |
42.8 |
42.8 |
42.8 |
54.4 |
54.4 |
54.4 |
50.2 |
50.2 |
50.2 |
46.0 |
46.0 |
46.0 |
透明度 (m) |
3.000 |
|
|
3.500 |
|
|
2.000 |
|
|
3.800 |
|
|
2.800 |
|
|
3.000 |
|
|
pH |
8.1 |
7.2 |
7.1 |
9.6 |
7.2 |
7 |
6.9 |
7.3 |
6.9 |
7.5 |
7.3 |
7.3 |
7.4 |
7.3 |
7.2 |
7.3 |
7.2 |
6.9 |
DO (mg/l) |
11 |
10 |
8.9 |
10 |
7.9 |
1.7 |
13 |
6.7 |
1.9 |
9.8 |
8.8 |
0.9 |
12 |
11 |
10 |
11 |
10 |
4.7 |
BOD (mg/l) |
1.8 |
0.6 |
< 0.5 |
1.1 |
< 0.5 |
0.5 |
7.3 |
0.7 |
< 0.5 |
1.2 |
0.5 |
< 0.5 |
1.1 |
0.7 |
0.8 |
0.7 |
0.5 |
< 0.5 |
COD (mg/l) |
2 |
1.4 |
1.3 |
2.8 |
1.3 |
1.7 |
7.6 |
2.1 |
1.3 |
2.1 |
1.5 |
1.6 |
1.6 |
1.5 |
1.6 |
1 |
1.3 |
1.5 |
SS (mg/l) |
3 |
< 1 |
1 |
1 |
1 |
1 |
12 |
2 |
1 |
< 1 |
1 |
4 |
1 |
1 |
2 |
< 1 |
1 |
2 |
大腸菌群数 (MPN/100ml) |
0.0E+00 |
1.3E+01 |
0.0E+00 |
1.3E+01 |
2.0E+00 |
8.0E+00 |
8.0E+00 |
2.3E+01 |
8.0E+00 |
2.3E+01 |
2.3E+01 |
8.0E+00 |
2.0E+00 |
8.0E+00 |
5.0E+00 |
0.0E+00 |
0.0E+00 |
2.0E+00 |
全窒素 (mg/l) |
0.48 |
0.61 |
0.83 |
0.38 |
1 |
1 |
1 |
0.74 |
0.88 |
0.61 |
0.57 |
1 |
0.6 |
0.54 |
0.6 |
0.59 |
0.57 |
0.88 |
全燐 (mg/l) |
0.005 |
0.003 |
0.005 |
0.008 |
0.007 |
0.011 |
0.062 |
0.017 |
0.011 |
0.012 |
0.011 |
0.019 |
0.011 |
0.011 |
0.011 |
0.007 |
0.008 |
0.018 |
カドミウム (mg/l) |
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
< 0.001 |
|
|
全シアン (mg/l) |
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
N |
|
|
鉛 (mg/l) |
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
六価クロム (mg/l) |
< 0.04 |
|
|
< 0.04 |
|
|
< 0.04 |
|
|
< 0.04 |
|
|
< 0.04 |
|
|
< 0.04 |
|
|
砒素 (mg/l) |
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
< 0.01 |
|
|
総水銀 (mg/l) |
< 0 |
|
|
< 0 |
|
|
< 0 |
|
|
< 0 |
|
|
< 0 |
|
|
< 0 |
|
|