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 |
2009.05.27 |
2009.05.27 |
2009.05.27 |
2009.06.17 |
2009.06.17 |
2009.06.17 |
2009.08.19 |
2009.08.19 |
2009.08.19 |
2009.09.09 |
2009.09.09 |
2009.09.09 |
2009.10.14 |
2009.10.14 |
2009.10.14 |
2009.11.18 |
2009.11.18 |
2009.11.18 |
2009.12.09 |
2009.12.09 |
2009.12.09 |
2010.01.14 |
2010.01.14 |
2010.01.14 |
2010.02.03 |
2010.02.03 |
2010.02.03 |
2010.03.03 |
2010.03.03 |
2010.03.03 |
採取時刻 |
0945 |
1048 |
1117 |
0917 |
1013 |
1040 |
1007 |
1110 |
1145 |
0945 |
1055 |
1125 |
1015 |
1125 |
1155 |
0950 |
1031 |
1105 |
0940 |
1036 |
1109 |
1035 |
1138 |
1220 |
1130 |
1248 |
1319 |
1004 |
1100 |
1136 |
天候 |
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 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
雪 |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
気温 (℃) |
21 |
22 |
21 |
18.5 |
18.5 |
18.5 |
25.9 |
25 |
25 |
20.1 |
22 |
22 |
18 |
18 |
19 |
7 |
6.5 |
6.8 |
5 |
7.6 |
7.2 |
-3 |
-1.9 |
-1.9 |
-6.4 |
-5.4 |
-5.4 |
2.2 |
4.2 |
4.6 |
水温 (℃) |
19 |
6.3 |
5.8 |
21.7 |
6.5 |
5 |
24.5 |
13.8 |
5.7 |
20.5 |
15.8 |
5.9 |
16.5 |
13.5 |
5.8 |
12.1 |
10.5 |
5.8 |
7.6 |
7.2 |
4.3 |
4.3 |
4.5 |
4.7 |
2 |
3.1 |
3.8 |
2.9 |
4.4 |
4 |
流量 (m3/s) |
21.37 |
21.37 |
21.37 |
19.22 |
19.22 |
19.22 |
17.7 |
17.7 |
17.7 |
21.9 |
21.9 |
21.9 |
20.38 |
20.38 |
20.38 |
39.12 |
39.12 |
39.12 |
32.73 |
32.73 |
32.73 |
18.88 |
18.88 |
18.88 |
7.35 |
7.35 |
7.35 |
16 |
16 |
16 |
採取水深 (m) |
0.5 |
25.1 |
49.2 |
0.5 |
24.1 |
47.2 |
0.5 |
22.9 |
44.8 |
0.5 |
22.9 |
44.8 |
0.5 |
23.9 |
46.8 |
0.5 |
28.1 |
55.2 |
0.5 |
29.9 |
58.8 |
0.5 |
29.8 |
58.6 |
0.5 |
19.9 |
38.8 |
0.5 |
19 |
37 |
全水深 (m) |
50.2 |
50.2 |
50.2 |
48.2 |
48.2 |
48.2 |
45.8 |
45.8 |
45.8 |
45.8 |
45.8 |
45.8 |
47.8 |
47.8 |
47.8 |
56.2 |
56.2 |
56.2 |
59.8 |
59.8 |
59.8 |
59.6 |
59.6 |
59.6 |
39.8 |
39.8 |
39.8 |
38 |
38 |
38 |
透明度 (m) |
1.8 |
|
|
2 |
|
|
3.2 |
|
|
2.5 |
|
|
4.1 |
|
|
3.8 |
|
|
4.2 |
|
|
4.7 |
|
|
4.6 |
|
|
3.7 |
|
|
外観 |
無色澄明 |
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 |
茶色 |
無色澄明 |
無色澄明 |
微黄濁 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
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 |
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 |
硫化水素( |
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 |
pH |
9.6 |
7.4 |
7.0 |
9.7 |
7.3 |
6.9 |
9.1 |
7.2 |
6.9 |
8.7 |
7.0 |
6.9 |
7.8 |
7.0 |
6.8 |
7.6 |
7.4 |
7.0 |
7.5 |
7.3 |
7.0 |
7.2 |
7.2 |
7.0 |
7.2 |
7.2 |
7.2 |
7.2 |
7.1 |
7.0 |
DO (mg/l) |
12 |
9.7 |
3.1 |
10 |
9.2 |
1.5 |
11 |
6.4 |
2.6 |
11 |
5.0 |
< 0.5 |
10 |
5.5 |
2.3 |
10 |
8.8 |
0.7 |
10 |
9.3 |
0.8 |
11 |
10 |
4.1 |
12 |
11 |
10 |
12 |
10 |
7.7 |
BOD (mg/l) |
0.9 |
0.5 |
0.8 |
1.5 |
0.5 |
0.9 |
1.2 |
0.9 |
0.7 |
1.2 |
1.0 |
2.0 |
1.1 |
1.3 |
1.2 |
0.5 |
0.8 |
1.4 |
1.1 |
1.0 |
1.6 |
0.6 |
0.8 |
1.9 |
0.6 |
0.7 |
0.6 |
0.5 |
0.6 |
0.7 |
COD (mg/l) |
2.9 |
1.2 |
2.5 |
3.6 |
1.2 |
2.1 |
3.1 |
2.3 |
2.1 |
3.1 |
2.3 |
7.5 |
2.3 |
3.6 |
3.0 |
1.5 |
2.3 |
4.6 |
2.4 |
2.0 |
4.0 |
1.8 |
2.0 |
7.5 |
1.4 |
1.5 |
1.4 |
1.3 |
1.5 |
1.7 |
SS (mg/l) |
7 |
1 |
4 |
5 |
< 1 |
3 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
2 |
5 |
1 |
1 |
4 |
1 |
1 |
3 |
1 |
1 |
3 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
1.3E+02 |
1.3E+02 |
1.3E+02 |
< 1.8E+00 |
7.8E+00 |
7.9E+01 |
1.7E+01 |
2.4E+02 |
3.3E+01 |
1.3E+01 |
1.1E+02 |
7.9E+01 |
4.9E+01 |
7.9E+02 |
2.4E+02 |
1.7E+01 |
1.7E+03 |
1.3E+01 |
2.3E+01 |
7.9E+01 |
3.3E+01 |
1.7E+01 |
3.3E+01 |
1.3E+01 |
4.0E+00 |
4.0E+00 |
4.5E+00 |
< 1.8E+00 |
2.0E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.32 |
0.63 |
1.1 |
0.23 |
0.63 |
1.0 |
0.45 |
0.62 |
0.96 |
0.50 |
0.65 |
4.2 |
0.42 |
0.66 |
1.1 |
0.48 |
0.51 |
2.0 |
0.46 |
0.53 |
1.6 |
0.53 |
0.54 |
3.3 |
0.52 |
0.51 |
0.51 |
0.56 |
0.60 |
0.61 |
全燐 (mg/l) |
0.008 |
0.005 |
0.037 |
0.009 |
0.004 |
0.027 |
0.015 |
0.015 |
0.018 |
0.013 |
0.016 |
0.050 |
0.006 |
0.024 |
0.029 |
0.010 |
0.015 |
0.021 |
0.011 |
0.011 |
0.027 |
0.007 |
0.007 |
0.023 |
0.010 |
0.009 |
0.008 |
0.011 |
0.010 |
0.009 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
0.005 |
0.017 |
0.009 |
0.009 |
0.011 |
0.002 |
0.001 |
0.001 |
0.002 |
< 0.001 |
< 0.001 |
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 |
0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
0.02 |
< 0.02 |
< 0.02 |
0.06 |
< 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 |
0.2 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
1.6 |
< 0.1 |
< 0.1 |
0.9 |
< 0.1 |
< 0.1 |
1.2 |
< 0.1 |
< 0.1 |
0.8 |
< 0.1 |
< 0.1 |
1.6 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
12 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
12 |
< 2 |
< 2 |
13 |
< 2 |
< 2 |
12 |
< 2 |
< 2 |
15 |
6 |
< 2 |
9 |
7 |
< 2 |
2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
70 |
> 100 |
> 100 |
85 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
70 |
> 100 |
> 100 |
65 |
> 100 |
> 100 |
62 |
> 100 |
> 100 |
68 |
> 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) |
0.03 |
0.58 |
0.51 |
< 0.02 |
0.54 |
0.46 |
0.19 |
0.51 |
0.52 |
0.20 |
0.52 |
0.52 |
0.23 |
0.40 |
0.12 |
0.32 |
0.36 |
0.02 |
0.29 |
0.31 |
0.04 |
0.41 |
0.41 |
0.19 |
0.42 |
0.41 |
0.41 |
0.43 |
0.43 |
0.47 |
ふん便性大腸菌群数 (個/100mL) |
0.0E+00 |
1.0E+00 |
4.0E+00 |
0.0E+00 |
1.0E+00 |
1.0E+00 |
0.0E+00 |
4.0E+00 |
0.0E+00 |
5.0E+00 |
2.5E+01 |
2.4E+01 |
4.0E+00 |
7.8E+01 |
1.2E+01 |
5.0E+00 |
1.7E+01 |
3.0E+00 |
0.0E+00 |
1.0E+00 |
1.0E+00 |
0.0E+00 |
3.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |