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 |
2011.11.09 |
2011.11.09 |
2011.11.09 |
2011.12.14 |
2011.12.14 |
2011.12.14 |
2011.04.13 |
2011.05.18 |
2011.06.15 |
2011.07.13 |
2011.08.10 |
2011.09.14 |
2011.10.12 |
2011.04.13 |
2011.05.18 |
2011.06.15 |
2011.07.13 |
2011.08.10 |
2011.09.14 |
2011.10.12 |
2011.04.13 |
2011.05.18 |
2011.06.15 |
2011.07.13 |
2011.08.10 |
2011.09.14 |
2011.10.12 |
2012.03.06 |
2012.03.06 |
2012.03.06 |
2012.01.11 |
2012.01.11 |
2012.01.11 |
2012.02.01 |
2012.02.01 |
2012.02.01 |
採取時刻 |
0950 |
1135 |
1045 |
1046 |
1135 |
0945 |
1153 |
1059 |
1102 |
1025 |
1116 |
1146 |
1107 |
1031 |
0950 |
0945 |
0915 |
1015 |
0950 |
0945 |
1120 |
1037 |
1035 |
1000 |
1049 |
1108 |
1025 |
0940 |
1040 |
1055 |
1001 |
1053 |
1145 |
1010 |
1110 |
1155 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
気温 (℃) |
14.0 |
14.0 |
14.0 |
8.0 |
6.0 |
5.0 |
8.0 |
21.4 |
21.3 |
32.2 |
30.0 |
25.8 |
18.0 |
8.0 |
18.8 |
21.8 |
28.2 |
29.8 |
23.5 |
17.0 |
8.4 |
20.5 |
18.8 |
29.5 |
30.2 |
25.2 |
19.0 |
2.8 |
3.2 |
3.2 |
-2.1 |
-1.0 |
-1.0 |
-6.0 |
-6.0 |
-7.0 |
水温 (℃) |
13.5 |
6.5 |
12.1 |
8.0 |
6.0 |
7.5 |
4.1 |
5.0 |
5.6 |
6.1 |
6.0 |
7.2 |
7.1 |
7.2 |
16.0 |
21.8 |
27.6 |
28.2 |
23.0 |
17.0 |
4.8 |
6.5 |
7.6 |
16.2 |
18.2 |
18.5 |
14.0 |
0.2 |
3.9 |
4.2 |
5.0 |
4.3 |
4.5 |
1.2 |
4.4 |
4.2 |
流量 (m3/s) |
20.63 |
20.63 |
20.63 |
20.41 |
20.41 |
20.41 |
20.39 |
27.08 |
21.61 |
21.02 |
18.54 |
34.61 |
34.79 |
20.39 |
27.08 |
21.61 |
21.02 |
18.54 |
34.61 |
34.79 |
20.39 |
27.08 |
21.61 |
21.02 |
18.54 |
34.61 |
34.79 |
25.98 |
25.98 |
25.98 |
20.55 |
20.55 |
20.55 |
20.35 |
20.35 |
20.35 |
採取水深 (m) |
0.5 |
52.6 |
26.8 |
28.5 |
56 |
0.5 |
43 |
49.4 |
46.8 |
46.4 |
44.8 |
46.2 |
50 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
22 |
25.2 |
23.9 |
23.7 |
22.9 |
23.6 |
25.5 |
0.5 |
20.25 |
39.5 |
0.5 |
29 |
57 |
0.5 |
24 |
47 |
全水深 (m) |
53.6 |
53.6 |
53.6 |
57 |
57 |
57 |
44 |
50.4 |
47.8 |
47.4 |
45.8 |
47.2 |
51 |
44 |
50.4 |
47.8 |
47.4 |
45.8 |
47.2 |
51 |
44 |
50.4 |
47.8 |
47.4 |
45.8 |
47.2 |
51 |
40.5 |
40.5 |
40.5 |
58 |
58 |
58 |
48 |
48 |
48 |
透明度 (m) |
4 |
|
|
|
|
4.9 |
|
|
|
|
|
|
|
3.2 |
1.9 |
3.1 |
2 |
2.7 |
2.5 |
2.3 |
|
|
|
|
|
|
|
2.5 |
|
|
4.3 |
|
|
2.5 |
|
|
外観 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
黒色・淡( |
微白濁 |
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 |
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 |
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 |
pH |
7.2 |
7.0 |
7.1 |
7.3 |
7.1 |
7.3 |
7.0 |
7.2 |
7.1 |
7.2 |
7.0 |
7.1 |
7.1 |
7.6 |
8.3 |
8.6 |
9.7 |
8.8 |
8.7 |
8.6 |
7.5 |
7.3 |
7.6 |
7.9 |
7.3 |
7.7 |
7.7 |
7.5 |
7.4 |
7.2 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.2 |
DO (mg/l) |
10 |
1.0 |
8.5 |
8.3 |
1.9 |
10 |
4.6 |
5.2 |
2.7 |
2.7 |
1.3 |
1.6 |
1.3 |
12 |
11 |
10 |
12 |
9.3 |
10 |
12 |
10 |
9.2 |
8.8 |
7.1 |
6.0 |
7.7 |
8.9 |
14 |
11 |
6.2 |
11 |
10 |
10 |
14 |
10 |
9.4 |
BOD (mg/l) |
1.1 |
1.0 |
0.8 |
1.0 |
1.8 |
1.0 |
1.1 |
< 0.5 |
0.6 |
1.7 |
2.7 |
0.9 |
0.9 |
1.2 |
1.2 |
1.6 |
1.9 |
1.9 |
1.6 |
1.7 |
0.8 |
< 0.5 |
0.5 |
1.2 |
2.5 |
1.4 |
0.6 |
1.1 |
1.0 |
1.4 |
1.1 |
1.1 |
1.2 |
0.5 |
1.0 |
1.0 |
COD (mg/l) |
3.4 |
2.7 |
2.4 |
1.9 |
3.7 |
2.0 |
2.2 |
1.8 |
1.3 |
1.8 |
3.5 |
3.9 |
2.4 |
2.0 |
3.2 |
2.9 |
3.1 |
3.7 |
4.4 |
4.3 |
1.7 |
1.9 |
1.4 |
3.4 |
3.3 |
2.9 |
2.1 |
1.8 |
1.6 |
1.5 |
1.7 |
1.6 |
1.7 |
0.5 |
1.2 |
1.2 |
SS (mg/l) |
1 |
3 |
< 1 |
1 |
7 |
< 1 |
6 |
< 1 |
< 1 |
2 |
3 |
3 |
3 |
2 |
2 |
1 |
3 |
2 |
3 |
3 |
1 |
< 1 |
< 1 |
1 |
1 |
2 |
1 |
1 |
< 1 |
< 1 |
< 1 |
1 |
2 |
1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
1.1E+03 |
7.0E+01 |
7.9E+01 |
1.1E+02 |
4.9E+01 |
4.0E+00 |
7.8E+00 |
4.9E+01 |
4.9E+02 |
7.9E+01 |
1.3E+03 |
1.3E+03 |
4.5E+00 |
4.5E+00 |
3.3E+01 |
< 1.8E+00 |
7.8E+00 |
3.3E+03 |
1.1E+03 |
2.0E+00 |
4.0E+00 |
1.7E+01 |
7.0E+02 |
1.3E+02 |
7.9E+02 |
3.3E+02 |
< 1.8E+00 |
< 1.8E+00 |
4.5E+00 |
7.8E+00 |
3.3E+01 |
2.3E+01 |
1.7E+01 |
4.5E+00 |
4.5E+00 |
全窒素 (mg/l) |
0.62 |
0.98 |
0.60 |
0.66 |
1.2 |
0.52 |
0.91 |
0.81 |
0.82 |
1.2 |
1.7 |
1.6 |
0.96 |
0.57 |
0.70 |
0.49 |
0.52 |
0.54 |
0.49 |
0.79 |
0.69 |
0.66 |
0.68 |
0.79 |
0.69 |
0.81 |
0.73 |
0.60 |
0.52 |
0.65 |
0.54 |
0.55 |
0.60 |
0.66 |
0.55 |
0.64 |
全燐 (mg/l) |
0.010 |
0.025 |
0.012 |
0.011 |
0.043 |
0.006 |
0.028 |
0.014 |
0.010 |
0.015 |
0.022 |
0.024 |
0.023 |
0.011 |
0.014 |
0.021 |
0.019 |
0.014 |
0.026 |
0.016 |
0.008 |
0.011 |
0.005 |
0.020 |
0.008 |
0.021 |
0.019 |
0.020 |
0.004 |
0.010 |
0.009 |
0.011 |
0.031 |
0.022 |
0.006 |
0.013 |
全亜鉛 (mg/l) |
< 0.001 |
0.001 |
< 0.001 |
0.001 |
0.001 |
< 0.001 |
0.001 |
< 0.001 |
0.001 |
0.002 |
0.006 |
0.010 |
0.004 |
0.001 |
0.005 |
0.003 |
0.001 |
0.001 |
0.003 |
0.001 |
0.001 |
< 0.001 |
0.001 |
0.003 |
0.001 |
0.005 |
0.002 |
0.004 |
0.001 |
0.002 |
0.001 |
< 0.001 |
0.001 |
0.002 |
0.001 |
0.002 |
カドミウム (mg/l) |
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PCB (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) |
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
0.03 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.03 |
< 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 |
0.5 |
< 0.1 |
0.1 |
0.4 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
0.5 |
0.8 |
0.3 |
< 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 |
< 0.1 |
< 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) |
12 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
4 |
11 |
7 |
12 |
8 |
19 |
31 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
5 |
6 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
透視度 |
> 100 |
52 |
> 100 |
> 100 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
84 |
75 |
78 |
> 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 |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.41 |
0.12 |
0.48 |
0.35 |
0.17 |
0.38 |
0.62 |
0.58 |
0.61 |
0.52 |
0.18 |
0.07 |
0.20 |
0.41 |
0.26 |
0.17 |
0.14 |
0.19 |
0.18 |
0.39 |
0.55 |
0.47 |
0.56 |
0.54 |
0.57 |
0.60 |
0.53 |
0.47 |
0.44 |
0.52 |
0.42 |
0.42 |
0.42 |
0.50 |
0.45 |
0.44 |
1,4-ジオキサン (mg/l) |
< 0.005 |
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|
|
|
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|
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|
|
|
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|
|
|
|
< 0.005 |
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|
ふん便性大腸菌群数 (個/100mL) |
2 |
5 |
7 |
10 |
21 |
< 2 |
< 2 |
< 2 |
< 2 |
10 |
4 |
26 |
20 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
24 |
4 |
< 2 |
< 2 |
< 2 |
6 |
< 2 |
40 |
30 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |