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 |
2006.04.24 |
2006.04.24 |
2006.04.24 |
2006.05.17 |
2006.05.17 |
2006.05.17 |
2006.06.21 |
2006.06.21 |
2006.06.21 |
2006.07.19 |
2006.07.19 |
2006.07.19 |
2006.08.09 |
2006.08.09 |
2006.08.09 |
2006.09.13 |
2006.09.13 |
2006.09.13 |
2006.10.18 |
2006.10.18 |
2006.10.18 |
2006.11.27 |
2006.11.27 |
2006.11.27 |
2006.12.13 |
2006.12.13 |
2006.12.13 |
2007.01.17 |
2007.01.17 |
2007.01.17 |
2007.02.07 |
2007.02.07 |
2007.02.07 |
2007.03.08 |
2007.03.08 |
2007.03.08 |
採取時刻 |
0930 |
1020 |
1115 |
0930 |
1028 |
1105 |
0930 |
1026 |
1058 |
0940 |
1023 |
1101 |
0940 |
1054 |
1121 |
0923 |
1011 |
1054 |
0940 |
1030 |
1050 |
1020 |
1120 |
1200 |
0933 |
1023 |
1120 |
1120 |
1209 |
1243 |
0935 |
1022 |
1100 |
1020 |
1053 |
1116 |
天候 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
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 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
9 |
10 |
10 |
17.5 |
21 |
21 |
22 |
22.5 |
23 |
26 |
27.7 |
28 |
29.2 |
29.5 |
29.5 |
22.5 |
24.5 |
22 |
15.4 |
15.4 |
15 |
9.5 |
8.8 |
8 |
3.5 |
2.5 |
3 |
3 |
4.5 |
5 |
3.6 |
3.5 |
3 |
2 |
3.5 |
3.5 |
水温 (℃) |
8 |
5 |
4 |
16.8 |
7 |
5.5 |
21 |
8 |
6 |
24.5 |
8.7 |
6 |
29.8 |
7 |
6 |
23 |
7.5 |
5.5 |
17 |
11 |
6 |
10 |
7.8 |
5.5 |
7.2 |
6.1 |
5.2 |
4.5 |
4.3 |
4.3 |
3.5 |
3.8 |
4 |
4.3 |
4 |
4 |
採取水深 (m) |
0.5 |
25.7 |
50.4 |
0.5 |
26.8 |
52.6 |
0.5 |
22.2 |
43.4 |
0.5 |
22.2 |
43.4 |
0.5 |
21.3 |
41.6 |
0.5 |
21.6 |
42.2 |
0.5 |
24.7 |
48.4 |
0.5 |
27.6 |
54.2 |
0.5 |
29.4 |
57.8 |
0.5 |
30.5 |
60 |
0.5 |
27.6 |
54.2 |
0.5 |
25.4 |
49.8 |
全水深 (m) |
51.4 |
51.4 |
51.4 |
53.6 |
53.6 |
53.6 |
44.4 |
44.4 |
44.4 |
44.4 |
44.4 |
44.4 |
42.6 |
42.6 |
42.6 |
43.2 |
43.2 |
43.2 |
49.4 |
49.4 |
49.4 |
55.2 |
55.2 |
55.2 |
58.8 |
58.8 |
58.8 |
61 |
61 |
61 |
55.2 |
55.2 |
55.2 |
50.8 |
50.8 |
50.8 |
透明度 (m) |
2.5 |
|
|
1.8 |
|
|
1.3 |
|
|
3.4 |
|
|
2.5 |
|
|
2.6 |
|
|
3.2 |
|
|
2.7 |
|
|
5.2 |
|
|
2.2 |
|
|
3.4 |
|
|
4.1 |
|
|
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 |
淡灰色 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
淡灰色 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
なし |
なし |
下水臭 |
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 |
pH |
7.9 |
7.2 |
6.9 |
9 |
7.2 |
6.9 |
10.3 |
7.2 |
6.9 |
9.8 |
7.1 |
6.9 |
10 |
7.1 |
6.9 |
9.1 |
7.1 |
7 |
8.4 |
7 |
7 |
7.4 |
7 |
6.9 |
7.4 |
7.1 |
6.8 |
7.2 |
7.2 |
7.2 |
7.4 |
7.3 |
7.2 |
7.4 |
7.4 |
7.3 |
DO (mg/l) |
12 |
11 |
7.7 |
11 |
10 |
6.3 |
14 |
8.1 |
3.8 |
11 |
8.6 |
3.8 |
11 |
8.1 |
1.3 |
9 |
7.9 |
1.5 |
10 |
6 |
< 0.5 |
10 |
7.7 |
1.4 |
10 |
8.1 |
2.8 |
11 |
10 |
10 |
11 |
11 |
10 |
12 |
11 |
11 |
BOD (mg/l) |
0.8 |
0.7 |
0.8 |
1.3 |
1 |
1 |
2.3 |
0.6 |
0.6 |
1.1 |
0.7 |
0.7 |
1.6 |
0.7 |
1.2 |
1.3 |
0.8 |
0.9 |
1.1 |
0.9 |
10.2 |
0.8 |
0.6 |
1.5 |
1 |
0.9 |
0.9 |
1 |
1 |
1.1 |
0.9 |
1 |
1 |
0.8 |
0.7 |
0.8 |
COD (mg/l) |
2.3 |
2 |
2.2 |
2.6 |
2.1 |
2 |
4.5 |
1.9 |
2 |
3.6 |
2.3 |
2.1 |
4.3 |
1.9 |
2.8 |
3.3 |
1.9 |
2.1 |
2.9 |
2.5 |
16.8 |
2.7 |
2 |
8.1 |
2.4 |
1.9 |
1.9 |
2.4 |
2.3 |
2.7 |
2 |
2.3 |
2.4 |
2 |
1.7 |
1.9 |
SS (mg/l) |
1 |
2 |
2 |
1 |
1 |
1 |
7 |
1 |
1 |
1 |
1 |
1 |
3 |
1 |
1 |
2 |
1 |
1 |
2 |
1 |
3 |
1 |
1 |
7 |
< 1 |
< 1 |
2 |
1 |
1 |
3 |
1 |
1 |
2 |
1 |
1 |
3 |
大腸菌群数 (MPN/100ml) |
2.3E+01 |
7.9E+01 |
2.0E+00 |
1.1E+01 |
2.0E+00 |
1.8E+00 |
1.8E+00 |
4.9E+01 |
4.5E+00 |
2.0E+00 |
1.3E+01 |
3.3E+01 |
1.8E+00 |
2.2E+01 |
1.7E+01 |
2.3E+01 |
2.3E+01 |
4.9E+01 |
3.3E+02 |
1.1E+02 |
2.4E+02 |
7.9E+01 |
1.3E+02 |
1.3E+02 |
2.3E+01 |
3.3E+01 |
7.8E+00 |
4.9E+01 |
7.9E+01 |
3.3E+01 |
7.8E+00 |
7.8E+00 |
1.8E+00 |
1.8E+00 |
2.0E+00 |
2.0E+00 |
全窒素 (mg/l) |
0.7 |
0.82 |
0.97 |
0.51 |
0.75 |
0.97 |
0.42 |
0.81 |
0.98 |
0.35 |
0.85 |
0.96 |
0.42 |
0.85 |
1.2 |
0.43 |
0.82 |
1.1 |
0.45 |
0.84 |
7.8 |
0.62 |
0.69 |
1.7 |
0.64 |
0.71 |
0.87 |
0.78 |
0.74 |
0.82 |
0.74 |
0.76 |
0.77 |
0.72 |
0.67 |
0.73 |
全燐 (mg/l) |
0.012 |
0.015 |
0.015 |
0.008 |
0.014 |
0.012 |
0.019 |
0.011 |
0.018 |
0.017 |
0.007 |
0.011 |
0.012 |
0.006 |
0.021 |
0.012 |
0.006 |
0.021 |
0.014 |
0.016 |
0.22 |
0.012 |
0.011 |
0.028 |
0.011 |
0.014 |
0.013 |
0.015 |
0.021 |
0.03 |
0.021 |
0.018 |
0.018 |
0.013 |
0.014 |
0.013 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
< 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 |
< 0.01 |
< 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 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
4.4 |
< 0.1 |
< 0.1 |
0.7 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
6 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
26 |
< 2 |
< 2 |
6 |
2 |
< 2 |
13 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
5 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
2 |
2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
85 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
80 |
> 100 |
> 100 |
72 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
75 |
> 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) |
0.57 |
0.64 |
0.7 |
0.33 |
0.65 |
0.79 |
0.02 |
0.73 |
0.8 |
0.02 |
0.76 |
0.82 |
0.02 |
0.76 |
0.4 |
0.079 |
0.78 |
0.28 |
0.22 |
0.71 |
0.03 |
0.44 |
0.59 |
0.41 |
0.49 |
0.58 |
0.8 |
0.58 |
0.66 |
0.59 |
0.65 |
0.67 |
0.61 |
0.6 |
0.6 |
0.59 |