測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50101 |
湯田ダム貯水池 |
L‐9(ダムサイト) |
A |
測定結果
採取年月日 |
1994.04.25 |
1994.04.25 |
1994.04.25 |
1994.05.18 |
1994.05.18 |
1994.05.18 |
1994.06.08 |
1994.06.08 |
1994.06.08 |
1994.07.13 |
1994.07.13 |
1994.07.13 |
1994.08.17 |
1994.08.17 |
1994.08.17 |
1994.09.21 |
1994.09.21 |
1994.09.21 |
1994.10.17 |
1994.10.17 |
1994.10.17 |
1994.11.09 |
1994.11.09 |
1994.11.09 |
1994.12.14 |
1994.12.14 |
1994.12.14 |
1995.01.18 |
1995.02.08 |
1995.03.08 |
採取時刻 |
0930 |
0930 |
0930 |
1100 |
1100 |
1100 |
1045 |
1045 |
1045 |
1020 |
1020 |
1020 |
1000 |
1000 |
1000 |
1002 |
1002 |
1002 |
1032 |
1032 |
1032 |
1210 |
1210 |
1210 |
1010 |
1010 |
1010 |
1320 |
0930 |
1305 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
曇り |
気温 (℃) |
13.0 |
13.0 |
13.0 |
15.2 |
15.2 |
15.2 |
21.2 |
21.2 |
21.2 |
23.9 |
23.9 |
23.9 |
25.9 |
25.9 |
25.9 |
22.6 |
22.6 |
22.6 |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
0.2 |
0.2 |
0.2 |
-1.8 |
1.0 |
2.7 |
水温 (℃) |
7.2 |
6.8 |
6.8 |
11.0 |
9.3 |
8.0 |
16.8 |
8.8 |
7.4 |
21.6 |
16.8 |
11.7 |
29.0 |
15.7 |
11.5 |
22.7 |
15.7 |
11.7 |
17.4 |
17.3 |
15.2 |
12.4 |
12.0 |
11.9 |
3.4 |
3.6 |
3.7 |
1.3 |
2.3 |
2.8 |
流量 (m3/s) |
127.35 |
127.35 |
129.17 |
66.41 |
66.41 |
66.41 |
18.36 |
18.36 |
18.36 |
22.41 |
22.41 |
22.41 |
6.39 |
6.39 |
6.39 |
20.55 |
20.55 |
20.55 |
78.36 |
78.36 |
78.36 |
8.13 |
8.13 |
8.13 |
27.97 |
27.97 |
27.97 |
13.37 |
5.12 |
1.63 |
採取水深 (m) |
0.5 |
30.0 |
63.0 |
0.5 |
30.0 |
64.0 |
0.5 |
30.0 |
59.0 |
0.5 |
25.0 |
49.0 |
0.5 |
25.0 |
47.0 |
0.5 |
25.0 |
47.0 |
0.5 |
25.0 |
50.0 |
0.5 |
25.0 |
49.0 |
0.5 |
25.0 |
54.0 |
0.5 |
0.5 |
0.5 |
全水深 (m) |
64.00 |
64.00 |
64.00 |
65.00 |
65.00 |
65.00 |
60.00 |
60.00 |
60.00 |
50.00 |
50.00 |
50.00 |
48.00 |
48.00 |
48.00 |
48.00 |
48.00 |
48.00 |
51.00 |
51.00 |
51.00 |
50.00 |
50.00 |
50.00 |
55.00 |
55.00 |
55.00 |
|
|
|
透明度 (m) |
1.50 |
1.50 |
1.50 |
1.80 |
1.80 |
1.80 |
2.00 |
2.00 |
2.00 |
0.80 |
0.80 |
0.80 |
2.50 |
2.50 |
2.50 |
1.50 |
1.50 |
1.50 |
0.80 |
0.80 |
0.80 |
2.50 |
2.50 |
2.50 |
1.50 |
1.50 |
1.50 |
|
|
|
pH |
6.9 |
6.9 |
6.9 |
7.0 |
7.0 |
6.9 |
7.3 |
6.9 |
6.8 |
7.4 |
6.7 |
6.9 |
7.5 |
6.5 |
6.4 |
7.4 |
6.7 |
6.6 |
|
7.0 |
6.7 |
7.3 |
7.2 |
7.2 |
7.1 |
7.2 |
7.1 |
7.1 |
7.1 |
6.9 |
DO (mg/l) |
11.0 |
12.0 |
12.0 |
10.0 |
11.0 |
10.0 |
9.6 |
10.0 |
9.8 |
10.0 |
7.9 |
7.0 |
7.5 |
6.2 |
4.4 |
8.6 |
4.7 |
1.9 |
8.9 |
8.5 |
6.8 |
11.0 |
10.0 |
10.0 |
12.0 |
12.0 |
12.0 |
13.0 |
13.0 |
12.0 |
BOD (mg/l) |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.5 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
1.1 |
< 0.5 |
< 0.5 |
1.1 |
< 0.5 |
|
|
0.7 |
0.6 |
0.7 |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
0.8 |
0.5 |
1.0 |
COD (mg/l) |
1.1 |
0.9 |
0.9 |
1.3 |
1.3 |
1.1 |
2.1 |
1.3 |
1.1 |
2.6 |
3.8 |
3.4 |
2.4 |
2.8 |
3.0 |
3.3 |
2.8 |
|
|
2.1 |
3.7 |
2.8 |
1.3 |
1.5 |
1.6 |
1.5 |
1.6 |
1.3 |
1.7 |
2.1 |
SS (mg/l) |
4 |
3 |
3 |
3 |
3 |
3 |
2 |
1 |
1 |
9 |
37 |
34 |
1 |
10 |
21 |
4 |
8 |
|
|
11 |
62 |
35 |
9 |
14 |
4 |
5 |
6 |
3 |
1 |
2 |
大腸菌群数 (MPN/100ml) |
3.3E+01 |
4.9E+01 |
3.3E+01 |
4.5E+00 |
2.0E+00 |
1.3E+01 |
1.3E+01 |
0.0E+00 |
0.0E+00 |
7.9E+01 |
7.0E+01 |
7.0E+01 |
3.3E+01 |
3.3E+01 |
2.3E+01 |
7.9E+01 |
3.3E+02 |
|
|
7.9E+01 |
1.3E+02 |
1.3E+02 |
4.9E+01 |
3.3E+01 |
2.4E+03 |
1.3E+02 |
3.3E+02 |
1.1E+01 |
4.5E+00 |
4.5E+00 |
全窒素 (mg/l) |
|
|
|
0.27 |
|
|
|
|
|
0.48 |
|
|
|
|
|
0.57 |
|
|
|
|
|
0.81 |
|
|
|
|
|
0.70 |
|
0.60 |
全燐 (mg/l) |
|
|
|
0.011 |
|
|
|
|
|
0.033 |
|
|
|
|
|
0.017 |
|
|
|
|
|
0.055 |
|
|
|
|
|
0.009 |
|
0.009 |
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 |
鉛 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
< 0.005 |
六価クロム (mg/l) |
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
< 0.040 |
砒素 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
< 0.005 |
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
< 0.0005 |
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
9 |
22 |
> 30 |
|
22 |
> 30 |
> 30 |
|
29 |
13 |
6 |
> 30 |
29 |
27 |
> 30 |
> 30 |
> 30 |
|
|
|