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 |
2005.04.26 |
2005.04.26 |
2005.04.26 |
2005.05.18 |
2005.05.18 |
2005.05.18 |
2005.06.08 |
2005.06.08 |
2005.06.08 |
2005.07.26 |
2005.07.26 |
2005.07.26 |
2005.08.29 |
2005.08.29 |
2005.08.29 |
2005.10.06 |
2005.11.21 |
2005.11.21 |
2005.11.21 |
2005.12.14 |
2005.12.14 |
2005.12.14 |
2006.01.11 |
2006.01.11 |
2006.01.11 |
2006.02.01 |
2006.02.01 |
2006.02.01 |
2006.03.01 |
2006.03.01 |
2006.03.01 |
2005.10.06 |
2005.10.06 |
採取時刻 |
1000 |
1045 |
1110 |
1017 |
1117 |
1135 |
1015 |
1055 |
1129 |
0915 |
0951 |
1020 |
1049 |
1126 |
1159 |
1040 |
1007 |
1043 |
1117 |
1023 |
1048 |
1115 |
1000 |
1137 |
1220 |
1000 |
1142 |
1250 |
1000 |
1110 |
1150 |
1045 |
1055 |
天候 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
晴れ |
晴れ |
気温 (℃) |
12 |
13 |
13 |
15.8 |
15.8 |
15.8 |
17 |
17 |
17 |
25 |
25.5 |
26 |
24 |
24 |
25 |
20.8 |
4.5 |
5 |
6 |
-1 |
0 |
0 |
0.1 |
0.3 |
0.3 |
-5.5 |
-4.5 |
-4.5 |
1.9 |
2 |
2 |
20.9 |
21 |
水温 (℃) |
11.2 |
5.9 |
5 |
13.8 |
6.1 |
4.9 |
19.1 |
6.1 |
5.2 |
24 |
5.9 |
4.2 |
25.5 |
6.3 |
5.2 |
18.6 |
10.1 |
7.9 |
4.7 |
6.5 |
5.8 |
4.5 |
1 |
2.5 |
3 |
0.6 |
2.8 |
3 |
0.8 |
2.8 |
3 |
6 |
5.1 |
流量 (m3/s) |
27.47 |
27.47 |
27.47 |
19.42 |
19.42 |
19.42 |
15.96 |
15.96 |
15.96 |
11.59 |
11.59 |
11.59 |
21.67 |
21.67 |
21.67 |
15.04 |
19.97 |
19.97 |
19.97 |
21.19 |
21.19 |
21.19 |
21.19 |
21.19 |
21.19 |
0.15 |
0.15 |
0.15 |
18.88 |
18.88 |
18.88 |
15.04 |
15.04 |
採取水深 (m) |
0.5 |
23.2 |
45.4 |
0.5 |
24 |
47 |
0.5 |
25 |
49 |
0.5 |
21.5 |
42 |
0.5 |
22.2 |
43.4 |
0.5 |
0.5 |
28 |
55 |
0.5 |
27.5 |
54 |
0.5 |
24.5 |
48 |
0.5 |
22.5 |
44 |
0.5 |
19.2 |
37.4 |
23 |
45 |
全水深 (m) |
46.4 |
46.4 |
46.4 |
48 |
48 |
48 |
50 |
50 |
50 |
43 |
43 |
43 |
44.4 |
44.4 |
44.4 |
46 |
56 |
56 |
56 |
55 |
55 |
55 |
49 |
49 |
49 |
45 |
45 |
45 |
38.4 |
38.4 |
38.4 |
46 |
46 |
透明度 (m) |
1.9 |
1.9 |
1.9 |
2.1 |
2.1 |
2.1 |
5.1 |
5.1 |
5.1 |
1.9 |
1.9 |
1.9 |
2.4 |
2.4 |
2.4 |
1.9 |
4.6 |
4.6 |
4.6 |
5 |
5 |
5 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
1.9 |
1.9 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
淡灰色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
淡灰色 |
臭気 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
硫化水素( |
なし |
なし |
硫化水素( |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.8 |
7.1 |
6.9 |
7.9 |
7.1 |
6.9 |
8.1 |
7 |
6.9 |
9.9 |
7.1 |
6.9 |
9.8 |
7 |
6.8 |
9.1 |
7.4 |
7.1 |
6.9 |
7.3 |
6.9 |
6.8 |
7.2 |
7.1 |
7.1 |
7.2 |
7.1 |
7 |
7.3 |
7.1 |
6.9 |
6.9 |
6.9 |
DO (mg/l) |
11 |
9.7 |
8.9 |
8.8 |
8.1 |
8.1 |
10 |
8.8 |
4.8 |
11 |
7.4 |
2.3 |
10 |
6.9 |
1.1 |
9.5 |
9.3 |
7.5 |
< 0.5 |
9.9 |
7 |
< 0.5 |
12 |
9.9 |
8.1 |
13 |
10 |
7.3 |
13 |
8.9 |
5.4 |
7.4 |
< 0.5 |
BOD (mg/l) |
1 |
0.9 |
1 |
1 |
0.7 |
0.7 |
1.1 |
0.7 |
0.8 |
1.2 |
0.8 |
0.9 |
1.3 |
0.6 |
0.6 |
|
1.1 |
1 |
4.1 |
1 |
0.8 |
1.4 |
0.6 |
0.6 |
0.7 |
0.7 |
0.7 |
0.8 |
0.6 |
0.7 |
0.8 |
|
|
COD (mg/l) |
2.2 |
1.6 |
1.7 |
2.1 |
1.8 |
1.5 |
2.6 |
1.6 |
1.9 |
3.4 |
1.6 |
1.7 |
3.8 |
1.4 |
1.9 |
4.7 |
2.3 |
2 |
17.3 |
1.9 |
1.6 |
5.3 |
1.5 |
1.7 |
1.9 |
1.7 |
1.9 |
2.1 |
1.6 |
1.9 |
2.1 |
1.7 |
13.2 |
SS (mg/l) |
1 |
1 |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
3 |
1 |
1 |
3 |
< 1 |
< 1 |
5 |
< 1 |
< 1 |
5 |
< 1 |
< 1 |
4 |
< 1 |
< 1 |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
4 |
大腸菌群数 (MPN/100ml) |
1.3E+01 |
1.1E+01 |
7.8E+00 |
3.3E+02 |
4.9E+01 |
2.3E+01 |
1.7E+01 |
4.5E+00 |
7.8E+00 |
2.0E+00 |
3.3E+01 |
1.3E+01 |
2.0E+00 |
4.9E+01 |
4.9E+01 |
0 |
4.9E+01 |
1.3E+02 |
4.5E+00 |
4.5E+00 |
4.9E+01 |
4.5E+00 |
2.3E+01 |
4.5E+00 |
4.5E+00 |
1.3E+01 |
< 1.8E+00 |
2.0E+00 |
< 1.8E+00 |
4.5E+00 |
2.0E+00 |
|
|
全窒素 (mg/l) |
0.62 |
0.85 |
0.79 |
0.45 |
0.64 |
0.83 |
0.45 |
0.75 |
0.92 |
0.26 |
0.72 |
0.93 |
0.25 |
0.72 |
0.89 |
0.64 |
0.52 |
0.55 |
2.71 |
0.51 |
0.65 |
1.48 |
0.54 |
0.53 |
0.61 |
0.61 |
0.55 |
0.65 |
0.6 |
0.56 |
0.72 |
0.73 |
4.4 |
全燐 (mg/l) |
0.009 |
0.01 |
0.01 |
0.013 |
0.013 |
0.011 |
0.014 |
0.005 |
0.012 |
0.013 |
0.007 |
0.011 |
0.012 |
0.019 |
0.014 |
0.015 |
0.012 |
0.014 |
0.038 |
0.01 |
0.01 |
0.087 |
0.013 |
0.011 |
0.013 |
0.012 |
0.007 |
0.014 |
0.01 |
0.007 |
0.011 |
0.009 |
0.053 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.06 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
4 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
12 |
3 |
< 2 |
13 |
< 2 |
< 2 |
12 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.47 |
0.71 |
0.67 |
0.28 |
0.62 |
0.75 |
0.21 |
0.70 |
0.74 |
< 0.03 |
0.67 |
0.59 |
< 0.03 |
0.69 |
0.42 |
0.20 |
0.39 |
0.44 |
< 0.03 |
0.41 |
0.46 |
< 0.03 |
0.47 |
0.46 |
0.44 |
0.49 |
0.44 |
0.49 |
0.50 |
0.51 |
0.61 |
0.64 |
< 0.03 |