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 |
2010.04.21 |
2010.04.21 |
2010.04.21 |
2010.05.19 |
2010.05.19 |
2010.05.19 |
2010.06.09 |
2010.06.09 |
2010.06.09 |
2010.07.14 |
2010.07.14 |
2010.07.14 |
2010.08.25 |
2010.08.25 |
2010.08.25 |
2010.09.08 |
2010.09.08 |
2010.09.08 |
2010.10.13 |
2010.10.13 |
2010.10.13 |
2010.11.17 |
2010.11.17 |
2010.11.17 |
2010.12.08 |
2010.12.08 |
2010.12.08 |
2011.01.05 |
2011.01.05 |
2011.01.05 |
2011.02.02 |
2011.02.02 |
2011.02.02 |
2011.03.02 |
2011.03.02 |
2011.03.02 |
採取時刻 |
0950 |
1045 |
1115 |
0950 |
1043 |
1118 |
0925 |
1012 |
1045 |
0950 |
1044 |
1110 |
1100 |
1151 |
1217 |
0940 |
1023 |
1050 |
0940 |
1028 |
1058 |
0935 |
1024 |
1102 |
0930 |
1015 |
1040 |
0954 |
1048 |
1131 |
1003 |
1052 |
1125 |
0940 |
1034 |
1059 |
天候 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
10.9 |
10.1 |
9.5 |
22.2 |
23.4 |
24 |
21.8 |
22.8 |
23 |
20.2 |
19.8 |
20.8 |
30.1 |
30 |
31.1 |
26.7 |
26.3 |
26.2 |
22.1 |
21.7 |
22 |
6 |
7.6 |
9.6 |
3.2 |
3.5 |
4.1 |
-0.1 |
0.9 |
-0.9 |
-5.4 |
-5.1 |
-3.2 |
0.7 |
0.5 |
1.0 |
水温 (℃) |
9.1 |
5.7 |
4.9 |
18.3 |
8.1 |
5.1 |
22.9 |
7.8 |
5.3 |
21.8 |
12 |
5.6 |
27 |
13.9 |
6.3 |
24.9 |
12.9 |
6 |
19.5 |
15.1 |
5.9 |
11.9 |
10.9 |
6 |
8.5 |
8.7 |
5.6 |
5.8 |
5.2 |
5.1 |
0.4 |
4.1 |
4.5 |
0.8 |
4.1 |
4.2 |
流量 (m3/s) |
17.65 |
17.65 |
17.65 |
16.23 |
16.23 |
16.23 |
19.37 |
19.37 |
19.37 |
35.97 |
35.97 |
35.97 |
16.64 |
16.64 |
16.64 |
22.04 |
22.04 |
22.04 |
15.72 |
15.72 |
15.72 |
14.08 |
14.08 |
14.08 |
17.78 |
17.78 |
17.78 |
17.27 |
17.27 |
17.27 |
20.92 |
20.92 |
20.92 |
22.98 |
22.98 |
22.98 |
採取水深 (m) |
0.5 |
23.6 |
46.2 |
0.5 |
26.8 |
52.6 |
0.5 |
26.8 |
50.2 |
0.5 |
23.4 |
45.8 |
0.5 |
22.5 |
44 |
0.5 |
21.8 |
42.6 |
0.5 |
22.8 |
44.6 |
0.5 |
29.5 |
58 |
0.5 |
31.3 |
61.2 |
0.5 |
31.7 |
62.4 |
0.5 |
24.5 |
48 |
0.5 |
21.2 |
41.4 |
全水深 (m) |
47.2 |
47.2 |
47.2 |
53.6 |
53.6 |
53.6 |
51.2 |
51.2 |
51.2 |
46.8 |
46.8 |
46.8 |
45 |
45 |
45 |
43.6 |
43.6 |
43.6 |
45.6 |
45.6 |
45.6 |
59 |
59 |
59 |
62.2 |
62.2 |
62.2 |
63.4 |
63.4 |
63.4 |
49 |
49 |
49 |
42.4 |
42.4 |
42.4 |
透明度 (m) |
3.2 |
|
|
2.5 |
|
|
2.2 |
|
|
1.9 |
|
|
1.1 |
|
|
3.4 |
|
|
2.9 |
|
|
5 |
|
|
7.5 |
|
|
2.3 |
|
|
3.6 |
|
|
2.4 |
|
|
外観 |
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 |
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 |
茶色 |
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 |
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 |
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 |
カビ臭(中 |
なし |
なし |
カビ臭(中 |
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 |
7.4 |
7.2 |
7.1 |
8.9 |
7.4 |
7.0 |
9.6 |
7.4 |
7.0 |
8.5 |
7.2 |
6.9 |
9.3 |
7.1 |
7.1 |
7.9 |
7.0 |
7.0 |
8.2 |
7.0 |
6.9 |
7.2 |
7.1 |
6.9 |
7.2 |
7.1 |
6.9 |
7.2 |
7.1 |
7.0 |
7.3 |
7.2 |
7.2 |
7.4 |
7.2 |
7.0 |
DO (mg/l) |
12 |
10 |
6.8 |
11 |
9.9 |
5.8 |
11 |
9.0 |
1.3 |
10 |
5.9 |
1.5 |
12 |
4.4 |
0.7 |
8.2 |
4.1 |
1.1 |
10 |
4.1 |
0.6 |
9.3 |
8.4 |
0.5 |
9.7 |
8.3 |
0.8 |
10 |
9.6 |
7.5 |
13 |
10 |
9.2 |
12 |
9.7 |
7.8 |
BOD (mg/l) |
0.8 |
0.8 |
1.1 |
2.0 |
< 0.5 |
0.8 |
1.3 |
< 0.5 |
1.1 |
1.9 |
< 0.5 |
0.9 |
4.1 |
0.7 |
0.8 |
1.2 |
< 0.5 |
0.8 |
1.5 |
0.5 |
0.6 |
0.5 |
0.5 |
0.5 |
0.7 |
0.6 |
0.8 |
0.8 |
< 0.5 |
0.9 |
0.6 |
< 0.5 |
0.5 |
1.0 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.4 |
1.6 |
2.1 |
2.4 |
1.0 |
1.0 |
2.5 |
1.0 |
1.4 |
3.4 |
1.7 |
3.1 |
7.9 |
2.1 |
2.2 |
3.3 |
2.0 |
2.8 |
3.1 |
2.1 |
3.5 |
2.0 |
2.0 |
3.4 |
1.5 |
1.6 |
3.3 |
2.4 |
2.1 |
2.7 |
1.6 |
2.0 |
2.4 |
1.5 |
1.6 |
1.7 |
SS (mg/l) |
1 |
1 |
2 |
2 |
1 |
2 |
6 |
1 |
2 |
4 |
2 |
2 |
9 |
2 |
2 |
2 |
1 |
2 |
1 |
1 |
5 |
< 1 |
< 1 |
4 |
< 1 |
< 1 |
3 |
1 |
< 1 |
6 |
< 1 |
1 |
2 |
1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
4.0E+00 |
7.0E+00 |
1.7E+01 |
4.6E+01 |
2.2E+01 |
4.9E+01 |
3.3E+01 |
4.9E+01 |
7.9E+01 |
1.7E+02 |
1.1E+02 |
4.9E+02 |
7.9E+02 |
7.9E+01 |
7.9E+03 |
3.3E+02 |
1.1E+02 |
3.3E+03 |
2.4E+02 |
3.3E+02 |
7.9E+01 |
1.3E+02 |
1.1E+02 |
7.9E+01 |
3.3E+01 |
2.4E+02 |
7.9E+01 |
1.3E+02 |
1.1E+02 |
2.3E+01 |
1.3E+01 |
1.3E+01 |
4.5E+00 |
7.8E+00 |
2.3E+00 |
全窒素 (mg/l) |
0.55 |
0.64 |
0.76 |
0.49 |
0.57 |
0.76 |
0.28 |
0.60 |
0.84 |
0.66 |
0.66 |
0.99 |
1.0 |
0.68 |
1.0 |
0.64 |
0.67 |
1.1 |
0.66 |
0.84 |
1.5 |
0.59 |
0.57 |
1.6 |
0.62 |
0.52 |
1.7 |
0.70 |
0.79 |
1.0 |
0.73 |
0.72 |
0.78 |
0.59 |
0.67 |
0.71 |
全燐 (mg/l) |
0.009 |
0.007 |
0.014 |
0.010 |
0.009 |
0.012 |
0.010 |
0.009 |
0.018 |
0.037 |
0.012 |
0.026 |
0.046 |
0.013 |
0.016 |
0.016 |
0.054 |
0.016 |
0.015 |
0.016 |
0.023 |
0.010 |
0.011 |
0.021 |
0.010 |
0.010 |
0.017 |
0.024 |
0.018 |
0.037 |
0.015 |
0.015 |
0.015 |
0.007 |
0.011 |
0.013 |
全亜鉛 (mg/l) |
< 0.001 |
0.001 |
0.002 |
0.002 |
0.002 |
0.001 |
0.002 |
0.001 |
0.001 |
0.001 |
0.002 |
0.003 |
0.001 |
0.002 |
0.002 |
0.001 |
0.002 |
0.003 |
0.002 |
0.003 |
0.005 |
0.003 |
< 0.001 |
0.003 |
0.001 |
0.001 |
0.003 |
0.001 |
0.001 |
0.002 |
0.002 |
0.001 |
0.001 |
0.003 |
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 |
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 |
0.4 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
0.7 |
< 0.1 |
< 0.1 |
0.9 |
< 0.1 |
< 0.1 |
1.1 |
< 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) |
5 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
15 |
< 2 |
< 2 |
19 |
< 2 |
< 2 |
25 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
82 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
65 |
> 100 |
> 100 |
65 |
> 100 |
> 100 |
77 |
> 100 |
> 100 |
69 |
> 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) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.56 |
0.64 |
0.60 |
0.58 |
0.56 |
0.53 |
0.39 |
0.56 |
0.59 |
ふん便性大腸菌群数 (個/100mL) |
1 |
0 |
0 |
0 |
14 |
3 |
0 |
1 |
5 |
12 |
12 |
6 |
2 |
92 |
58 |
10 |
10 |
14 |
160 |
32 |
36 |
13 |
16 |
8 |
3 |
1 |
6 |
50 |
28 |
32 |
2 |
2 |
2 |
1 |
0 |
0 |