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 |
2008.04.16 |
2008.04.16 |
2008.04.16 |
2008.05.23 |
2008.05.23 |
2008.05.23 |
2008.06.18 |
2008.06.18 |
2008.06.18 |
2008.07.16 |
2008.07.16 |
2008.07.16 |
2008.08.26 |
2008.08.26 |
2008.08.26 |
2008.09.17 |
2008.09.17 |
2008.09.17 |
2008.10.08 |
2008.10.08 |
2008.10.08 |
2008.11.12 |
2008.11.12 |
2008.11.12 |
2008.12.10 |
2008.12.10 |
2008.12.10 |
2009.01.07 |
2009.01.07 |
2009.01.07 |
2009.02.04 |
2009.02.04 |
2009.02.04 |
2009.03.04 |
2009.03.04 |
2009.03.04 |
採取時刻 |
0950 |
1034 |
1100 |
0950 |
1042 |
1102 |
0955 |
1106 |
1135 |
0930 |
1018 |
1038 |
0935 |
1024 |
1051 |
0930 |
1011 |
1053 |
0920 |
1011 |
1043 |
0935 |
1019 |
1102 |
0930 |
1035 |
1120 |
0945 |
1118 |
1150 |
0940 |
1040 |
1115 |
1045 |
1134 |
1158 |
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 |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
18 |
19.2 |
19.2 |
20.5 |
22 |
22 |
22 |
24.6 |
24.8 |
29 |
28.5 |
27.5 |
24 |
24.5 |
23.5 |
24 |
25 |
26 |
17.5 |
17 |
17 |
7 |
9 |
10 |
9 |
9.8 |
10 |
1.0 |
2.0 |
2.0 |
-1.0 |
2.0 |
2.5 |
2.9 |
3.4 |
3.5 |
水温 (℃) |
11.1 |
5.8 |
4.3 |
17.4 |
6.9 |
5 |
22 |
8 |
5.7 |
23.8 |
7.4 |
5.1 |
21.2 |
16.8 |
5.9 |
23.8 |
17.5 |
6.6 |
17.8 |
15 |
6.7 |
12.8 |
11.5 |
6.5 |
9.1 |
8.2 |
6.9 |
5.8 |
5.3 |
5.2 |
4.0 |
4.0 |
4.0 |
2.8 |
2.9 |
3.0 |
流量 (m3/s) |
20.33 |
20.33 |
20.33 |
16.5 |
16.5 |
16.5 |
6.51 |
6.51 |
6.51 |
14.2 |
14.2 |
14.2 |
45.87 |
45.87 |
45.87 |
29.49 |
29.49 |
29.49 |
18.18 |
18.18 |
18.18 |
19.91 |
19.91 |
19.91 |
21.67 |
21.67 |
21.67 |
19.36 |
19.36 |
19.36 |
11.43 |
11.43 |
11.43 |
15.59 |
15.59 |
15.59 |
採取水深 (m) |
0.5 |
21.6 |
42.2 |
0.5 |
24.9 |
48.8 |
0.5 |
22 |
43 |
0.5 |
22.6 |
44.2 |
0.5 |
23.8 |
46.6 |
0.5 |
23.5 |
46 |
0.5 |
23.5 |
46 |
0.5 |
26.9 |
52.8 |
0.5 |
29.3 |
57.6 |
0.5 |
30 |
59 |
0.5 |
28 |
55 |
0.5 |
18.2 |
35.4 |
全水深 (m) |
43.2 |
43.2 |
43.2 |
49.8 |
49.8 |
49.8 |
44 |
44 |
44 |
45.2 |
45.2 |
45.2 |
47.6 |
47.6 |
47.6 |
47 |
47 |
47 |
47 |
47 |
47 |
53.8 |
53.8 |
53.8 |
58.6 |
58.6 |
58.6 |
60 |
60 |
60 |
56 |
56 |
56 |
36.4 |
36.4 |
36.4 |
透明度 (m) |
3.5 |
|
|
4.7 |
|
|
2.2 |
|
|
3 |
|
|
2.1 |
|
|
2 |
|
|
2.4 |
|
|
3.1 |
|
|
4 |
|
|
4.8 |
|
|
5.7 |
|
|
4 |
|
|
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 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
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 |
微白濁 |
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 |
7.8 |
7.2 |
6.9 |
8.0 |
7.1 |
6.9 |
10 |
7.3 |
7.0 |
8.8 |
7.0 |
6.9 |
8.4 |
7.1 |
7.1 |
9.8 |
7.5 |
7.0 |
8.8 |
7.3 |
7.0 |
7.9 |
7.6 |
6.9 |
7.5 |
7.3 |
7.0 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.5 |
7.5 |
7.3 |
DO (mg/l) |
12 |
9.5 |
5.0 |
9.8 |
8.6 |
4.1 |
13 |
7.8 |
3.6 |
10 |
7.1 |
1.6 |
10 |
6.4 |
1.6 |
13 |
7.8 |
2.6 |
11 |
6.7 |
1.1 |
9.5 |
8.7 |
1.8 |
10 |
9.5 |
1.6 |
10 |
10 |
10 |
11 |
11 |
11 |
12 |
11 |
10 |
BOD (mg/l) |
0.6 |
0.7 |
0.7 |
0.9 |
0.6 |
0.6 |
1.2 |
0.7 |
0.7 |
0.9 |
0.6 |
0.9 |
3.4 |
1.2 |
1.2 |
2.1 |
0.7 |
0.6 |
1.8 |
1.2 |
1.0 |
0.6 |
0.7 |
0.7 |
1.1 |
1.0 |
1.3 |
1.1 |
1.1 |
0.5 |
0.7 |
0.7 |
0.9 |
0.5 |
0.5 |
0.5 |
COD (mg/l) |
1.6 |
1.9 |
1.9 |
1.9 |
1.3 |
1.5 |
3.6 |
1.7 |
1.7 |
2.4 |
1.6 |
2.5 |
5.4 |
3.4 |
2.9 |
4.7 |
2.2 |
2.3 |
4.0 |
2.4 |
3.3 |
2.8 |
2.5 |
2.3 |
2.6 |
2.0 |
3.9 |
2.3 |
2.1 |
1.6 |
2.0 |
1.9 |
2.2 |
1.8 |
1.7 |
1.7 |
SS (mg/l) |
< 1 |
1 |
3 |
< 1 |
< 1 |
1 |
4 |
1 |
1 |
< 1 |
2 |
3 |
5 |
3 |
2 |
4 |
1 |
4 |
2 |
1 |
5 |
1 |
1 |
4 |
< 1 |
1 |
5 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
2 |
1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
2.0E+00 |
< 1.8E+00 |
1.7E+01 |
4.5E+00 |
7.8E+00 |
< 1.8E+00 |
4.9E+01 |
3.3E+01 |
1.7E+01 |
4.9E+02 |
4.9E+01 |
1.7E+01 |
1.1E+03 |
4.9E+01 |
2.2E+01 |
7.9E+02 |
3.3E+02 |
4.9E+02 |
7.9E+01 |
4.9E+01 |
3.3E+02 |
7.8E+00 |
2.2E+01 |
2.3E+01 |
1.1E+02 |
3.3E+01 |
1.1E+01 |
4.9E+01 |
2.2E+01 |
4.5E+00 |
4.5E+00 |
7.8E+00 |
< 1.8E+00 |
4.5E+00 |
4.5E+00 |
全窒素 (mg/l) |
0.51 |
0.62 |
0.70 |
0.51 |
0.59 |
0.68 |
0.18 |
0.59 |
0.66 |
0.49 |
0.63 |
0.90 |
0.82 |
0.74 |
0.85 |
0.37 |
0.65 |
0.70 |
0.57 |
0.62 |
0.98 |
0.51 |
0.52 |
0.80 |
0.54 |
0.51 |
1.4 |
0.68 |
0.53 |
0.49 |
0.54 |
0.49 |
0.57 |
0.59 |
0.57 |
0.56 |
全燐 (mg/l) |
0.008 |
0.006 |
0.009 |
0.007 |
0.005 |
0.008 |
0.005 |
0.007 |
0.013 |
0.016 |
0.015 |
0.036 |
0.039 |
0.031 |
0.020 |
0.018 |
0.019 |
0.02 |
0.018 |
0.016 |
0.022 |
0.010 |
0.015 |
0.027 |
0.011 |
0.013 |
0.014 |
0.009 |
0.009 |
0.009 |
0.007 |
0.007 |
0.010 |
0.008 |
0.007 |
0.007 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
0.007 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
0.03 |
< 0.02 |
< 0.02 |
0.05 |
< 0.02 |
< 0.02 |
0.07 |
< 0.02 |
0.02 |
0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
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 |
0.3 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.6 |
< 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) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
5 |
2 |
< 2 |
2 |
< 2 |
< 2 |
38 |
< 2 |
< 2 |
24 |
< 2 |
< 2 |
28 |
4 |
< 2 |
18 |
14 |
2 |
8 |
10 |
< 2 |
5 |
5 |
5 |
2 |
3 |
3 |
2 |
< 2 |
< 2 |
透視度 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
> 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) |
0.38 |
0.50 |
0.55 |
0.27 |
0.51 |
0.55 |
< 0.02 |
0.55 |
0.59 |
0.26 |
0.57 |
0.20 |
0.29 |
0.55 |
0.15 |
0.03 |
0.51 |
0.28 |
0.28 |
0.43 |
0.09 |
0.34 |
0.34 |
0.15 |
0.33 |
0.33 |
0.06 |
0.31 |
0.33 |
0.32 |
0.39 |
0.40 |
0.39 |
0.47 |
0.48 |
0.45 |