測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50401 |
石淵ダム貯水池 |
L‐11(ダムサイト) |
AA |
測定結果
採取年月日 |
2009.04.30 |
2009.04.30 |
2009.04.30 |
2009.05.20 |
2009.05.20 |
2009.05.20 |
2009.06.17 |
2009.06.17 |
2009.06.17 |
2009.07.17 |
2009.07.17 |
2009.07.17 |
2009.08.12 |
2009.08.12 |
2009.08.12 |
2009.09.09 |
2009.09.09 |
2009.09.09 |
2009.10.21 |
2009.10.21 |
2009.10.21 |
2009.11.11 |
2009.11.11 |
2009.11.11 |
2009.12.09 |
2009.12.09 |
2009.12.09 |
2010.01.06 |
2010.01.06 |
2010.01.06 |
2010.02.03 |
2010.02.03 |
2010.02.03 |
2010.03.03 |
2010.03.03 |
2010.03.03 |
採取時刻 |
1055 |
1140 |
1203 |
1020 |
1117 |
1206 |
0950 |
1045 |
1113 |
1023 |
1120 |
1152 |
0938 |
1034 |
1055 |
1013 |
1112 |
1148 |
1000 |
1041 |
1100 |
1008 |
1050 |
1116 |
1005 |
1050 |
1125 |
0714 |
0754 |
0816 |
0722 |
0814 |
0838 |
0711 |
0736 |
0804 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
雨 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
15.5 |
15.7 |
16 |
20 |
20 |
20 |
18 |
16.5 |
16.8 |
30 |
33 |
32 |
25 |
26 |
29 |
21 |
23 |
19.5 |
18 |
11 |
13 |
11.5 |
11.5 |
11 |
6 |
7 |
6 |
0 |
0 |
0 |
-6 |
-6 |
-6 |
0 |
-0.6 |
0.2 |
水温 (℃) |
6.4 |
5.9 |
5.5 |
10.2 |
8.5 |
5.7 |
15.9 |
12.3 |
6.7 |
20.7 |
16.9 |
7 |
22.6 |
16.5 |
6.8 |
17.6 |
14.8 |
7.2 |
11.3 |
10.8 |
10.5 |
11.2 |
8.8 |
7.3 |
5 |
5 |
4.9 |
0.6 |
1.2 |
1.2 |
0.3 |
1.8 |
1.9 |
1.6 |
2.4 |
2.4 |
流量 (m3/s) |
19.68 |
19.68 |
19.68 |
17.08 |
17.08 |
17.08 |
7.25 |
7.25 |
7.25 |
5.14 |
5.14 |
5.14 |
9.71 |
9.71 |
9.71 |
5.15 |
5.15 |
5.15 |
5.09 |
5.09 |
5.09 |
8.76 |
8.76 |
8.76 |
13.3 |
13.3 |
13.3 |
4.33 |
4.33 |
4.33 |
3.83 |
3.83 |
3.83 |
8.69 |
8.69 |
8.69 |
採取水深 (m) |
0.5 |
13 |
25 |
0.5 |
14.95 |
28.9 |
0.5 |
12 |
23 |
0.5 |
9.48 |
17.95 |
0.5 |
10.35 |
19.7 |
0.5 |
9.75 |
18.5 |
0.5 |
10 |
19 |
0.5 |
8.85 |
16.7 |
0.5 |
14.5 |
28 |
0.5 |
9.95 |
19.89 |
0.5 |
9.63 |
18.26 |
0.5 |
7.75 |
14.5 |
全水深 (m) |
26 |
26 |
26 |
29.9 |
29.9 |
29.9 |
24 |
24 |
24 |
18.95 |
18.95 |
18.95 |
20.7 |
20.7 |
20.7 |
19.5 |
19.5 |
19.5 |
20 |
20 |
20 |
17.7 |
17.7 |
17.7 |
29 |
29 |
29 |
20.89 |
20.89 |
20.89 |
19.26 |
19.26 |
19.26 |
15.5 |
15.5 |
15.5 |
透明度 (m) |
0.6 |
|
|
0.94 |
|
|
1.4 |
|
|
1.1 |
|
|
1.8 |
|
|
1.4 |
|
|
1.1 |
|
|
1 |
|
|
1.3 |
|
|
0.8 |
|
|
1.2 |
|
|
1.5 |
|
|
外観 |
茶濁 |
茶濁 |
茶濁 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
茶色 |
茶濁 |
茶色 |
茶色 |
茶濁 |
無色澄明 |
茶濁 |
茶濁 |
微白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
茶濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
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 |
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 |
なし |
なし |
なし |
なし |
pH |
7.2 |
7.2 |
7.1 |
7.3 |
7.2 |
7.1 |
7.5 |
7.3 |
7.2 |
7.6 |
7.4 |
7.0 |
7.6 |
7.2 |
7.0 |
7.6 |
7.4 |
6.9 |
7.4 |
7.4 |
7.2 |
7.6 |
7.4 |
7.3 |
7.5 |
7.4 |
7.4 |
7.3 |
7.2 |
7.2 |
7.1 |
7.1 |
7.1 |
7.2 |
7.1 |
7.1 |
DO (mg/l) |
11 |
12 |
12 |
11 |
11 |
11 |
10 |
9.8 |
8.9 |
8.9 |
8.5 |
8.2 |
8.8 |
8.0 |
6.9 |
9.3 |
8.9 |
2.0 |
10 |
10 |
9.5 |
10 |
10 |
10 |
12 |
12 |
12 |
13 |
13 |
14 |
12 |
12 |
12 |
12 |
12 |
12 |
BOD (mg/l) |
0.6 |
0.5 |
0.7 |
0.6 |
0.5 |
< 0.5 |
0.6 |
0.7 |
0.5 |
0.7 |
0.8 |
0.5 |
0.7 |
0.7 |
0.7 |
0.5 |
0.5 |
0.6 |
0.7 |
0.7 |
0.7 |
0.5 |
0.5 |
0.7 |
0.5 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.5 |
1.6 |
1.9 |
1.2 |
1.1 |
0.9 |
2.0 |
2.4 |
1.5 |
1.6 |
2.0 |
1.5 |
1.8 |
2.1 |
1.6 |
1.6 |
1.6 |
1.9 |
2.2 |
2.0 |
2.1 |
1.2 |
1.3 |
1.5 |
1.3 |
1.4 |
1.3 |
0.8 |
0.5 |
< 0.5 |
0.8 |
0.5 |
0.5 |
1.0 |
1.1 |
1.0 |
SS (mg/l) |
10 |
10 |
15 |
6 |
7 |
7 |
3 |
5 |
10 |
3 |
7 |
9 |
2 |
10 |
8 |
4 |
5 |
15 |
6 |
6 |
15 |
4 |
5 |
7 |
3 |
3 |
4 |
5 |
2 |
1 |
2 |
2 |
2 |
1 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
7.8E+00 |
1.3E+01 |
2.3E+01 |
4.5E+00 |
2.3E+01 |
1.3E+01 |
2.3E+01 |
2.4E+02 |
1.1E+02 |
2.4E+02 |
2.4E+02 |
3.3E+01 |
3.3E+01 |
4.9E+02 |
1.7E+02 |
4.9E+02 |
4.9E+02 |
1.7E+02 |
1.7E+02 |
3.3E+01 |
7.9E+01 |
7.9E+01 |
7.9E+01 |
4.9E+01 |
3.3E+01 |
3.3E+01 |
7.9E+01 |
1.3E+01 |
4.6E+01 |
4.6E+01 |
1.7E+01 |
1.7E+01 |
1.3E+01 |
1.3E+01 |
< 1.8E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.31 |
0.31 |
0.34 |
0.22 |
0.22 |
0.25 |
0.22 |
0.25 |
0.31 |
0.24 |
0.33 |
0.32 |
0.18 |
0.22 |
0.30 |
0.17 |
0.22 |
0.42 |
0.26 |
0.29 |
0.32 |
0.15 |
0.16 |
0.20 |
0.19 |
0.19 |
0.19 |
0.25 |
0.20 |
0.22 |
0.35 |
0.25 |
0.22 |
0.39 |
0.38 |
0.37 |
全燐 (mg/l) |
0.011 |
0.010 |
0.014 |
0.009 |
0.009 |
0.010 |
0.005 |
0.007 |
0.010 |
0.007 |
0.008 |
0.008 |
0.006 |
0.008 |
0.009 |
0.008 |
0.016 |
0.004 |
0.008 |
0.009 |
0.011 |
0.006 |
0.004 |
0.005 |
0.005 |
0.005 |
0.005 |
0.004 |
0.003 |
0.003 |
0.005 |
0.005 |
0.005 |
0.004 |
0.005 |
0.004 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
< 0.005 |
0.003 |
0.002 |
0.002 |
0.003 |
0.002 |
0.003 |
0.004 |
0.002 |
0.002 |
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) |
|
|
|
|
|
|
|
|
|
0.002 |
|
|
|
|
|
|
|
|
|
|
|
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 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
|
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
透視度 |
34 |
36 |
24 |
50 |
54 |
54 |
> 100 |
67 |
33 |
90 |
52 |
40 |
> 100 |
45 |
43 |
83 |
65 |
32 |
67 |
65 |
37 |
67 |
75 |
64 |
86 |
82 |
84 |
53 |
> 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) |
|
|
|
0.11 |
0.12 |
0.14 |
|
|
|
0.12 |
0.13 |
0.18 |
|
|
|
0.09 |
0.13 |
0.14 |
|
|
|
0.06 |
0.07 |
0.08 |
|
|
|
0.09 |
0.13 |
0.13 |
|
|
|
0.30 |
0.29 |
0.29 |
ふん便性大腸菌群数 (個/100mL) |
0.0E+00 |
0.0E+00 |
0.0E+00 |
1.0E+00 |
0.0E+00 |
2.0E+00 |
1.0E+00 |
1.3E+01 |
9.0E+00 |
5.0E+00 |
2.9E+01 |
1.8E+01 |
3.0E+00 |
1.9E+02 |
1.1E+01 |
8.0E+00 |
2.1E+01 |
1.6E+01 |
9.0E+00 |
1.3E+01 |
4.8E+01 |
6.0E+00 |
1.8E+01 |
1.1E+01 |
0.0E+00 |
2.0E+00 |
8.0E+00 |
1.0E+00 |
4.0E+00 |
3.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |
0.0E+00 |