測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50101 |
湯田ダム貯水池 |
L‐9(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 |
2011.10.05 |
2011.10.12 |
2011.04.13 |
2011.05.18 |
2011.06.15 |
2011.07.13 |
2011.08.10 |
2011.10.05 |
2011.10.12 |
2011.04.13 |
2011.05.18 |
2011.06.15 |
2011.07.13 |
2011.08.10 |
2011.10.05 |
2011.10.12 |
2012.01.11 |
2012.01.11 |
2012.01.11 |
2012.02.01 |
2012.03.06 |
採取時刻 |
1105 |
1040 |
0950 |
1225 |
1205 |
1110 |
1140 |
1205 |
1140 |
1125 |
1035 |
1030 |
1100 |
1030 |
1040 |
1030 |
1025 |
0930 |
0920 |
0950 |
1120 |
1145 |
1120 |
1105 |
1015 |
1010 |
1035 |
0950 |
1040 |
1100 |
1030 |
1020 |
天候 |
晴れ |
晴れ |
曇り |
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 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
雪 |
曇り |
気温 (℃) |
10.1 |
9.6 |
9.0 |
2.0 |
1.7 |
0.5 |
10.3 |
19.2 |
17.9 |
30.2 |
29.6 |
14.2 |
15.4 |
8.7 |
18.8 |
17.3 |
28.4 |
28.6 |
12.0 |
15.0 |
9.9 |
19.1 |
17.8 |
30.0 |
29.3 |
13.2 |
15.2 |
-2.6 |
-2.8 |
-2.8 |
-5.0 |
2.5 |
水温 (℃) |
11.0 |
11.4 |
11.1 |
4.6 |
4.6 |
3.8 |
4.2 |
8.5 |
9.0 |
15.0 |
13.2 |
14.4 |
12.3 |
7.2 |
10.1 |
16.8 |
28.0 |
26.8 |
16.0 |
16.0 |
4.9 |
8.8 |
10.2 |
16.5 |
14.5 |
14.5 |
13.0 |
0.8 |
1.5 |
1.8 |
0.8 |
2.5 |
流量 (m3/s) |
25.31 |
25.31 |
25.31 |
16.9 |
16.9 |
16.9 |
57.79 |
41.43 |
9.66 |
22.66 |
6.5 |
15.7 |
24.93 |
57.79 |
41.43 |
9.66 |
22.66 |
6.5 |
15.7 |
24.93 |
57.79 |
41.43 |
9.66 |
22.66 |
6.5 |
15.7 |
24.93 |
15.65 |
15.65 |
15.65 |
19.19 |
24.06 |
採取水深 (m) |
54 |
27.5 |
0.5 |
58 |
29.5 |
0.5 |
57 |
60 |
55 |
50 |
46 |
46 |
51 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
29 |
30.5 |
28 |
25.5 |
23.5 |
23.5 |
26 |
0.5 |
28 |
55 |
0.5 |
0.1 |
全水深 (m) |
55 |
55 |
55 |
59 |
59 |
59 |
58 |
61 |
56 |
51 |
47 |
47 |
52 |
58 |
61 |
56 |
51 |
47 |
47 |
52 |
58 |
61 |
56 |
51 |
47 |
47 |
52 |
56 |
56 |
56 |
|
|
透明度 (m) |
|
|
3.5 |
|
|
3 |
|
|
|
|
|
|
|
1 |
0.8 |
3 |
1.5 |
2.5 |
1.5 |
2.3 |
|
|
|
|
|
|
|
2.3 |
|
|
|
|
外観 |
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 |
白濁 |
白濁 |
茶濁 |
濃白濁 |
微白濁 |
微白濁 |
微白濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
微白濁 |
白濁 |
無色澄明 |
茶濁 |
白濁 |
濃白濁 |
微白濁 |
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 |
pH |
6.9 |
7.0 |
7.1 |
7.0 |
7.0 |
7.2 |
6.8 |
6.9 |
6.8 |
6.8 |
6.8 |
7.0 |
7.1 |
6.9 |
7.0 |
7.4 |
7.7 |
7.5 |
7.2 |
7.2 |
6.9 |
7.0 |
7.1 |
7.2 |
7.2 |
7.1 |
7.1 |
7.3 |
7.2 |
7.1 |
7.2 |
6.9 |
DO (mg/l) |
8.3 |
9.3 |
9.9 |
12 |
11 |
11 |
13 |
10 |
8.2 |
8.9 |
2.7 |
9.2 |
10 |
13 |
10 |
9.4 |
10 |
8.2 |
9.6 |
10 |
13 |
10 |
10 |
9.6 |
8.2 |
9.0 |
10 |
13 |
13 |
13 |
13 |
10 |
BOD (mg/l) |
0.8 |
1.0 |
1.1 |
0.5 |
0.7 |
0.8 |
1.1 |
< 0.5 |
0.5 |
2.3 |
1.9 |
0.9 |
0.5 |
0.8 |
0.7 |
0.6 |
1.9 |
0.6 |
1.0 |
0.6 |
0.9 |
0.7 |
< 0.5 |
2.2 |
1.7 |
1.4 |
< 0.5 |
1.2 |
0.7 |
0.7 |
< 0.5 |
0.8 |
COD (mg/l) |
2.2 |
2.1 |
2.2 |
1.9 |
1.9 |
1.6 |
3.3 |
2.2 |
1.5 |
3.7 |
3.4 |
2.5 |
2.7 |
2.5 |
2.3 |
2.2 |
2.5 |
2.4 |
3.1 |
2.2 |
2.4 |
2.4 |
1.3 |
2.8 |
2.8 |
2.6 |
2.7 |
2.1 |
1.6 |
1.5 |
1.0 |
1.5 |
SS (mg/l) |
6 |
1 |
1 |
3 |
2 |
2 |
12 |
25 |
11 |
54 |
17 |
11 |
7 |
7 |
8 |
2 |
4 |
2 |
6 |
2 |
7 |
12 |
3 |
24 |
8 |
13 |
5 |
1 |
1 |
1 |
< 1 |
2 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
3.3E+01 |
7.9E+01 |
1.3E+02 |
2.4E+02 |
1.4E+02 |
4.9E+01 |
4.9E+01 |
4.5E+00 |
4.9E+02 |
4.9E+01 |
2.4E+02 |
4.9E+03 |
7.9E+01 |
4.9E+01 |
1.7E+01 |
1.1E+02 |
4.9E+01 |
7.9E+01 |
4.9E+02 |
4.9E+01 |
4.9E+01 |
2.0E+00 |
3.3E+02 |
3.3E+01 |
1.4E+02 |
1.7E+03 |
4.5E+00 |
1.7E+01 |
1.3E+01 |
4.5E+00 |
4.5E+00 |
全窒素 (mg/l) |
0.33 |
0.31 |
0.35 |
0.27 |
0.28 |
0.23 |
0.63 |
0.42 |
0.44 |
0.70 |
0.52 |
0.42 |
0.31 |
0.56 |
0.36 |
0.33 |
0.41 |
0.26 |
0.72 |
0.41 |
0.54 |
0.40 |
0.40 |
0.70 |
0.43 |
0.56 |
0.32 |
0.35 |
0.37 |
0.34 |
0.24 |
0.34 |
全燐 (mg/l) |
0.009 |
0.005 |
0.007 |
0.011 |
0.008 |
0.005 |
0.021 |
0.026 |
0.016 |
0.024 |
0.029 |
0.015 |
0.014 |
0.015 |
0.014 |
0.009 |
0.029 |
0.005 |
0.021 |
0.010 |
0.015 |
0.018 |
0.008 |
0.026 |
0.016 |
0.014 |
0.013 |
0.011 |
0.007 |
0.010 |
0.005 |
0.007 |
全亜鉛 (mg/l) |
0.008 |
0.009 |
0.007 |
0.011 |
0.009 |
0.016 |
0.017 |
0.012 |
0.010 |
0.021 |
0.010 |
0.009 |
0.010 |
0.015 |
0.011 |
0.013 |
0.010 |
0.006 |
0.009 |
0.006 |
0.017 |
0.010 |
0.007 |
0.016 |
0.010 |
0.009 |
0.011 |
0.014 |
0.012 |
0.014 |
0.013 |
0.022 |
カドミウム (mg/l) |
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
< 0.001 |
全シアン (mg/l) |
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
|
N |
|
|
|
N |
鉛 (mg/l) |
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
< 0.002 |
|
< 0.002 |
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
< 0.002 |
六価クロム (mg/l) |
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
< 0.02 |
砒素 (mg/l) |
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
< 0.001 |
総水銀 (mg/l) |
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
|
|
|
|
|
|
|
< 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 |
< 0.01 |
< 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 |
< 0.1 |
|
< 0.1 |
クロロフィル-a (ug/l) |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
9 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
48 |
37 |
34 |
10 |
28 |
50 |
60 |
75 |
38 |
> 100 |
90 |
> 100 |
75 |
> 100 |
53 |
39 |
> 100 |
15 |
32 |
25 |
70 |
> 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) |
0.12 |
0.14 |
0.13 |
|
|
|
|
0.17 |
|
0.17 |
|
0.20 |
|
|
0.17 |
|
0.10 |
|
0.23 |
|
|
0.17 |
|
0.21 |
|
0.23 |
|
0.23 |
0.22 |
0.22 |
|
0.19 |
1,4-ジオキサン (mg/l) |
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
2 |
4 |
6 |
5 |
6 |
< 2 |
2 |
4 |
< 2 |
26 |
< 2 |
52 |
78 |
2 |
5 |
< 2 |
< 2 |
3 |
21 |
20 |
< 2 |
10 |
< 2 |
17 |
< 2 |
56 |
78 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |