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 |
2006.04.24 |
2006.04.24 |
2006.04.24 |
2006.05.17 |
2006.05.17 |
2006.05.17 |
2006.06.21 |
2006.06.21 |
2006.06.21 |
2006.08.09 |
2006.08.09 |
2006.08.09 |
2006.09.13 |
2006.09.13 |
2006.09.13 |
2006.10.18 |
2006.10.18 |
2006.10.18 |
2006.11.27 |
2006.11.27 |
2006.11.27 |
2006.12.13 |
2006.12.13 |
2006.12.13 |
2007.01.17 |
2007.01.17 |
2007.01.17 |
2007.02.07 |
2007.02.07 |
2007.02.07 |
2007.03.08 |
2007.03.08 |
2007.03.08 |
2006.07.19 |
2006.07.19 |
2006.07.19 |
採取時刻 |
0940 |
1030 |
1050 |
0940 |
1024 |
1040 |
0950 |
1035 |
1055 |
0940 |
1020 |
1045 |
0940 |
1010 |
1035 |
1000 |
1040 |
1100 |
1045 |
1135 |
1200 |
1010 |
1055 |
1120 |
1000 |
1045 |
1110 |
1010 |
1055 |
1115 |
1000 |
1045 |
1105 |
1020 |
1058 |
1116 |
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 |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
8.9 |
9.5 |
9.9 |
16 |
16.5 |
16.7 |
18.4 |
19 |
19.4 |
24 |
24.3 |
24.5 |
18 |
18.3 |
18.3 |
13.6 |
13.7 |
13.8 |
6.4 |
6.8 |
7.1 |
1 |
2 |
2.2 |
1.2 |
1.7 |
1.9 |
1 |
0.3 |
0.2 |
-0.5 |
-0.2 |
0.1 |
18.4 |
18.7 |
18.8 |
水温 (℃) |
6.2 |
5.3 |
5.3 |
9.8 |
7.9 |
7.6 |
16.5 |
9.3 |
8.1 |
20.7 |
14.1 |
7.8 |
20.9 |
11.8 |
7 |
13.2 |
11 |
10.5 |
6.2 |
4.8 |
4.3 |
4.8 |
4.6 |
4.5 |
2 |
1.9 |
1.8 |
1.5 |
1.7 |
1.3 |
2 |
2.2 |
2.2 |
16.9 |
12.9 |
8.5 |
採取水深 (m) |
0.5 |
30 |
60 |
0.5 |
30 |
60 |
0.5 |
25 |
50 |
0.5 |
20 |
43 |
0.5 |
20 |
43 |
0.5 |
20 |
40 |
0.5 |
25 |
54 |
0.5 |
25 |
53 |
0.5 |
25 |
52 |
0.5 |
25 |
48 |
0.5 |
25 |
50 |
0.5 |
25 |
49 |
全水深 (m) |
61 |
61 |
61 |
61 |
61 |
61 |
51 |
51 |
51 |
44 |
44 |
44 |
44 |
44 |
44 |
41 |
41 |
41 |
55 |
55 |
55 |
54 |
54 |
54 |
53 |
53 |
53 |
49 |
49 |
49 |
51 |
51 |
51 |
50 |
50 |
50 |
透明度 (m) |
1.5 |
|
|
1 |
|
|
2.5 |
|
|
2.5 |
|
|
1.8 |
|
|
1.5 |
|
|
2 |
|
|
2.8 |
|
|
1 |
|
|
2.2 |
|
|
2.5 |
|
|
1.5 |
|
|
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
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 |
6.7 |
6.7 |
6.7 |
6.8 |
6.8 |
6.8 |
7.1 |
6.7 |
6.6 |
7.2 |
6.7 |
6.5 |
7.5 |
6.6 |
6.5 |
6.9 |
6.8 |
6.8 |
7 |
7 |
7 |
7 |
7 |
6.9 |
7 |
7 |
6.9 |
7 |
7 |
7 |
7.1 |
7.1 |
7.1 |
7 |
6.6 |
6.5 |
DO (mg/l) |
12 |
12 |
12 |
11 |
11 |
11 |
9.7 |
9.9 |
9.5 |
9.5 |
7.2 |
6.6 |
8.7 |
4.8 |
0.8 |
10 |
9.7 |
7.7 |
11 |
11 |
11 |
12 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
13 |
13 |
13 |
13 |
9.7 |
8.2 |
6.4 |
BOD (mg/l) |
0.6 |
0.6 |
0.6 |
0.6 |
0.5 |
0.5 |
1.7 |
< 0.5 |
< 0.5 |
1 |
1 |
0.7 |
1.3 |
0.8 |
0.5 |
0.9 |
1.1 |
1.2 |
0.7 |
1.2 |
1.1 |
0.7 |
0.5 |
0.5 |
0.9 |
0.9 |
0.7 |
0.7 |
0.7 |
0.7 |
0.6 |
0.5 |
0.5 |
1.2 |
0.7 |
0.6 |
COD (mg/l) |
1.5 |
1.4 |
1.5 |
1.7 |
1.7 |
1.6 |
3.2 |
1.5 |
1.4 |
2.5 |
2.6 |
1.6 |
3.4 |
2.3 |
1.5 |
2.3 |
4 |
4.2 |
2.3 |
3.3 |
2.9 |
2 |
1.9 |
1.7 |
2.3 |
2.3 |
1.7 |
1.5 |
1.4 |
1.4 |
1.5 |
1.3 |
1.2 |
3.7 |
2.8 |
1.8 |
SS (mg/l) |
3 |
3 |
3 |
4 |
7 |
7 |
2 |
1 |
2 |
2 |
2 |
3 |
3 |
1 |
5 |
2 |
6 |
8 |
1 |
4 |
2 |
< 1 |
< 1 |
< 1 |
6 |
5 |
6 |
2 |
2 |
2 |
1 |
1 |
2 |
3 |
5 |
3 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
2.4E+02 |
1.7E+02 |
1.1E+02 |
4.9E+01 |
3.3E+01 |
3.3E+01 |
4.5E+00 |
1.8E+00 |
4.5E+00 |
4.9E+01 |
4.9E+01 |
2.3E+01 |
4.9E+01 |
3.3E+01 |
7.9E+01 |
7.9E+02 |
1.3E+02 |
1.7E+02 |
1.1E+02 |
1.3E+02 |
3.3E+01 |
2.3E+01 |
2.3E+01 |
1.3E+02 |
1.3E+02 |
4.9E+01 |
1.8E+00 |
4.5E+00 |
4.5E+00 |
1.8E+00 |
1.8E+00 |
2.0E+00 |
2.4E+02 |
3.3E+01 |
1.7E+01 |
全窒素 (mg/l) |
0.51 |
0.5 |
0.44 |
0.49 |
0.34 |
0.34 |
0.5 |
0.34 |
0.38 |
0.35 |
0.43 |
0.4 |
0.41 |
0.41 |
0.45 |
0.44 |
0.56 |
0.59 |
0.35 |
0.51 |
0.47 |
0.35 |
0.34 |
0.33 |
0.41 |
0.51 |
0.41 |
0.34 |
0.36 |
0.36 |
0.33 |
0.34 |
0.36 |
0.46 |
0.49 |
0.46 |
全燐 (mg/l) |
0.01 |
0.011 |
0.01 |
0.012 |
0.012 |
0.015 |
0.027 |
0.008 |
0.01 |
0.011 |
0.01 |
0.006 |
0.016 |
0.01 |
0.01 |
0.014 |
0.031 |
0.024 |
0.008 |
0.011 |
0.01 |
0.011 |
0.01 |
0.009 |
0.013 |
0.013 |
0.012 |
0.011 |
0.009 |
0.012 |
0.006 |
0.006 |
0.007 |
0.016 |
0.009 |
0.014 |
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) |
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
< 0.005 |
|
|
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 |
|
|
アルキル水銀 (mg/l) |
|
|
|
N |
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
< 0.01 |
< 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 |
< 0.1 |
< 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) |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
|
|
|
9 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
57 |
48 |
44 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
60 |
> 100 |
40 |
32 |
> 100 |
90 |
85 |
> 100 |
> 100 |
> 100 |
50 |
52 |
47 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
95 |
> 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) |
|
|
|
0.26 |
0.25 |
0.25 |
|
|
|
|
|
|
0.1 |
0.26 |
0.2 |
|
|
|
0.23 |
0.23 |
0.24 |
|
|
|
0.29 |
0.29 |
0.3 |
|
|
|
0.24 |
0.24 |
0.24 |
0.24 |
0.26 |
0.23 |