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 |
2012.04.18 |
2012.04.18 |
2012.04.18 |
2012.05.23 |
2012.05.23 |
2012.05.23 |
2012.06.13 |
2012.06.13 |
2012.06.13 |
2012.07.30 |
2012.07.30 |
2012.07.30 |
2012.08.22 |
2012.08.22 |
2012.08.22 |
2012.09.12 |
2012.09.12 |
2012.09.12 |
2012.10.29 |
2012.10.29 |
2012.10.29 |
2012.11.21 |
2012.11.21 |
2012.11.21 |
2012.12.12 |
2012.12.12 |
2012.12.12 |
2013.01.09 |
2013.02.06 |
2013.03.06 |
採取時刻 |
0935 |
1020 |
1045 |
0950 |
1040 |
1100 |
0950 |
1035 |
1100 |
0950 |
1035 |
1055 |
1000 |
1040 |
1100 |
0945 |
1025 |
1045 |
0945 |
1030 |
1050 |
1000 |
1033 |
1055 |
0940 |
1030 |
1050 |
1015 |
1015 |
0940 |
天候 |
曇り |
曇り |
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 |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
雪 |
曇り |
曇り |
気温 (℃) |
7.0 |
7.3 |
7.3 |
14.0 |
15.2 |
15.6 |
15.0 |
16.3 |
17.1 |
31.0 |
31.6 |
32.0 |
30.0 |
31.0 |
31.2 |
25.8 |
26.6 |
27.0 |
13.0 |
13.5 |
13.6 |
0.8 |
0.9 |
0.9 |
0.1 |
0.3 |
0.3 |
-6 |
-2.1 |
4.4 |
水温 (℃) |
5.6 |
4.7 |
4.2 |
9.2 |
7.5 |
6.5 |
13.2 |
7.5 |
6.5 |
25.5 |
16.0 |
8.9 |
27.0 |
10.5 |
8.2 |
25.5 |
15 |
9.0 |
13.0 |
12.2 |
8.8 |
7.5 |
8.0 |
7.3 |
3.9 |
4.0 |
4.0 |
0.8 |
0.7 |
1.4 |
流量 (m3/s) |
150.52 |
|
|
43.79 |
|
|
10.60 |
|
|
14.15 |
|
|
3.80 |
|
|
4.89 |
|
|
33.23 |
|
|
62.98 |
|
|
22.10 |
|
|
13.41 |
10.72 |
0.11 |
採取水深 (m) |
0.5 |
31.5 |
62 |
0.5 |
31.5 |
60 |
0.5 |
26.5 |
52 |
0.5 |
24.5 |
49 |
0.5 |
22.5 |
44 |
0.5 |
22 |
43 |
0.5 |
25.5 |
50 |
0.5 |
27.5 |
54 |
0.5 |
31 |
61 |
0.5 |
0.5 |
0.5 |
全水深 (m) |
63 |
|
|
61 |
|
|
53 |
|
|
49 |
|
|
45 |
|
|
44 |
|
|
51 |
|
|
55 |
|
|
62 |
|
|
|
|
|
透明度 (m) |
1.3 |
|
|
1.3 |
|
|
2 |
|
|
2.0 |
|
|
2.0 |
|
|
2.5 |
|
|
0.5 |
|
|
1.3 |
|
|
2.0 |
|
|
|
|
2 |
外観 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
白濁 |
濃白濁 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
白濁 |
微白濁 |
無色澄明 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
微白濁 |
茶濁 |
微茶濁 |
微茶濁 |
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 |
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 |
pH |
6.7 |
6.7 |
6.7 |
6.9 |
6.9 |
6.8 |
7.1 |
7.0 |
6.8 |
7.4 |
7.0 |
6.9 |
7.5 |
7.2 |
7.2 |
7.6 |
7.2 |
6.9 |
7.4 |
7.3 |
7.0 |
7.0 |
7.0 |
6.9 |
7.1 |
7.1 |
7.0 |
7.1 |
7.2 |
6.8 |
DO (mg/l) |
12 |
12 |
12 |
10 |
10 |
10 |
9.4 |
10 |
8.8 |
9.0 |
7.7 |
4.6 |
8.3 |
7.0 |
2.1 |
7.8 |
4.9 |
0.8 |
9.0 |
8.7 |
0.9 |
10 |
10 |
10 |
11 |
11 |
11 |
12 |
12 |
11 |
BOD (mg/l) |
0.6 |
< 0.5 |
< 0.5 |
0.9 |
0.8 |
0.8 |
0.9 |
0.6 |
0.7 |
1.1 |
1.1 |
1.2 |
0.9 |
1.0 |
1.2 |
0.9 |
0.9 |
0.9 |
0.6 |
0.5 |
0.6 |
0.6 |
0.7 |
0.7 |
0.9 |
0.9 |
0.7 |
< 0.5 |
< 0.5 |
0.5 |
COD (mg/l) |
1.7 |
1.6 |
1.7 |
1.6 |
1.8 |
2.1 |
2.0 |
1.7 |
2.1 |
2.3 |
3.7 |
2.1 |
3.1 |
3.1 |
2.9 |
3.1 |
2.9 |
2.4 |
2.9 |
2.7 |
2.4 |
2.7 |
2.6 |
2.4 |
1.8 |
1.8 |
1.7 |
1.3 |
1.5 |
1.5 |
SS (mg/l) |
5 |
6 |
4 |
4 |
6 |
40 |
2 |
3 |
16 |
1 |
12 |
14 |
1 |
5 |
14 |
1 |
3 |
8 |
7 |
6 |
13 |
4 |
5 |
6 |
1 |
2 |
2 |
1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
4.9E+01 |
7.9E+01 |
2.3E+01 |
2.3E+01 |
7.0E+01 |
3.3E+01 |
2.3E+01 |
1.3E+01 |
4.9E+01 |
1.7E+01 |
1.1E+03 |
4.9E+02 |
7.9E+02 |
7.9E+02 |
1.1E+03 |
1.3E+04 |
1.1E+03 |
4.9E+02 |
4.6E+02 |
2.4E+02 |
3.3E+02 |
2.4E+03 |
7.9E+02 |
4.9E+02 |
1.3E+02 |
2.4E+02 |
3.3E+02 |
4.9E+01 |
1.3E+01 |
2.3E+01 |
全窒素 (mg/l) |
0.56 |
0.58 |
0.62 |
0.34 |
0.30 |
0.39 |
0.31 |
0.29 |
0.37 |
0.32 |
0.60 |
0.41 |
0.42 |
0.61 |
0.63 |
0.26 |
0.43 |
0.53 |
0.53 |
0.40 |
0.59 |
0.34 |
0.39 |
0.46 |
0.32 |
0.32 |
0.30 |
0.33 |
0.30 |
0.31 |
全燐 (mg/l) |
0.011 |
0.012 |
0.009 |
0.011 |
0.012 |
0.040 |
0.008 |
0.008 |
0.024 |
0.007 |
0.021 |
0.019 |
0.007 |
0.012 |
0.018 |
0.009 |
0.009 |
0.016 |
0.021 |
0.014 |
0.021 |
0.010 |
0.011 |
0.011 |
0.007 |
0.007 |
0.007 |
0.005 |
0.003 |
0.007 |
全亜鉛 (mg/l) |
0.015 |
0.015 |
0.019 |
0.009 |
0.009 |
0.013 |
0.010 |
0.010 |
0.011 |
0.007 |
0.010 |
0.012 |
0.006 |
0.007 |
0.008 |
0.003 |
0.005 |
0.005 |
0.006 |
0.005 |
0.008 |
0.011 |
0.009 |
0.012 |
0.015 |
0.016 |
0.010 |
0.015 |
0.014 |
0.046 |
カドミウム (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
< 0.0003 |
全シアン (mg/l) |
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
N |
鉛 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
< 0.001 |
六価クロム (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
< 0.005 |
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) |
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.07 |
|
|
|
|
|
|
|
|
|
|
|
0.05 |
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
70 |
70 |
90 |
70 |
55 |
15 |
> 100 |
95 |
35 |
> 100 |
65 |
45 |
> 100 |
68 |
60 |
> 100 |
90 |
75 |
28 |
38 |
32 |
70 |
75 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.15 |
|
|
|
|
|
|
|
|
|
|
|
0.22 |
|
|
|
|
|
|
|
|
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 |
< 2 |
< 2 |
4 |
4 |
4 |
2 |
2 |
< 2 |
< 2 |
12 |
7 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
4 |
12 |
10 |
24 |
17 |
26 |
4 |
8 |
4 |
2 |
< 2 |
< 2 |