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 |
2005.04.26 |
2005.04.26 |
2005.04.26 |
2005.05.18 |
2005.05.18 |
2005.05.18 |
2005.06.08 |
2005.06.08 |
2005.06.08 |
2005.07.26 |
2005.07.26 |
2005.07.26 |
2005.08.29 |
2005.08.29 |
2005.08.29 |
2005.09.14 |
2005.09.14 |
2005.10.12 |
2005.10.12 |
2005.10.12 |
2005.11.21 |
2005.11.21 |
2005.11.21 |
2005.12.14 |
2005.12.14 |
2005.12.14 |
2006.01.11 |
2006.01.11 |
2006.01.11 |
2006.02.01 |
2006.02.01 |
2006.02.01 |
2006.03.01 |
2006.03.01 |
2006.03.01 |
2005.09.14 |
採取時刻 |
0935 |
1031 |
1056 |
0939 |
1017 |
1050 |
0934 |
1010 |
1042 |
0957 |
1044 |
1057 |
0950 |
1039 |
1110 |
0947 |
1023 |
1029 |
1107 |
1135 |
1012 |
1113 |
1145 |
0725 |
0805 |
0830 |
0750 |
0815 |
0841 |
0725 |
0815 |
0844 |
0706 |
0750 |
0945 |
1048 |
天候 |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
雪 |
雪 |
雪 |
雪 |
晴れ |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
曇り |
気温 (℃) |
12.5 |
14 |
15 |
10 |
12.5 |
14 |
22 |
17 |
16 |
22 |
21 |
21 |
28.1 |
28.7 |
29 |
18 |
20.5 |
18.3 |
19 |
19.3 |
5 |
4.5 |
5 |
-6 |
-6 |
-6 |
-4 |
-4 |
-4 |
-6.5 |
-6.5 |
-6 |
-3 |
-3 |
-1 |
22.1 |
水温 (℃) |
6.5 |
5.1 |
5.1 |
8 |
6.1 |
5.9 |
13.7 |
8 |
6.3 |
19.3 |
15 |
6.7 |
20.3 |
15.6 |
7.7 |
19.6 |
15.5 |
13.7 |
12.5 |
8.5 |
5.2 |
5.1 |
5.2 |
0.8 |
0.9 |
0.2 |
0.2 |
1.3 |
1.3 |
0.15 |
1 |
1.2 |
2 |
2 |
2 |
7.7 |
流量 (m3/s) |
32.55 |
32.55 |
32.55 |
26.48 |
26.48 |
26.48 |
14.33 |
14.33 |
14.33 |
8.33 |
8.33 |
8.33 |
9.82 |
9.82 |
9.82 |
7.09 |
7.09 |
3.71 |
3.71 |
3.71 |
6.5 |
6.5 |
6.5 |
5.11 |
5.11 |
5.11 |
4.06 |
4.06 |
4.06 |
3.44 |
3.44 |
3.44 |
11.67 |
11.67 |
11.67 |
7.09 |
採取水深 (m) |
0.5 |
15 |
29.5 |
0.5 |
13.95 |
26.9 |
0.5 |
13.9 |
26.8 |
0.5 |
10.03 |
20.05 |
0.5 |
9.85 |
18.7 |
0.5 |
9.55 |
0.5 |
6.85 |
12.7 |
0.5 |
12.4 |
24.8 |
0.5 |
11.6 |
22.23 |
0.5 |
10.01 |
19.02 |
0.5 |
8.9 |
16.8 |
0.5 |
8.46 |
15.91 |
18.1 |
全水深 (m) |
30.5 |
30.5 |
30.5 |
27.9 |
27.9 |
27.9 |
27.8 |
27.8 |
27.8 |
21.05 |
21.05 |
21.05 |
19.7 |
19.7 |
19.7 |
19.1 |
19.1 |
13.7 |
13.7 |
13.7 |
25.8 |
25.8 |
25.8 |
23.23 |
23.23 |
23.23 |
20.02 |
20.02 |
20.02 |
17.8 |
17.8 |
17.8 |
16.91 |
16.91 |
16.91 |
19.1 |
透明度 (m) |
3.4 |
|
3.4 |
2.6 |
2.6 |
2.6 |
3 |
3 |
3 |
2.3 |
2.3 |
2.3 |
0.6 |
0.6 |
0.6 |
1 |
1 |
1.3 |
1.3 |
1.3 |
0.6 |
0.6 |
0.6 |
1.8 |
1.8 |
1.8 |
3 |
3 |
3 |
2.4 |
2.4 |
2.4 |
0.5 |
0.5 |
0.5 |
1 |
外観 |
無色澄明 |
無色澄明 |
淡灰色 |
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 |
濃白濁 |
濃白濁 |
濃白濁 |
濃白濁 |
白濁 |
白濁 |
濃白濁 |
濃白濁 |
濃白濁 |
茶濁 |
茶濁 |
茶濁 |
淡灰色 |
淡灰色 |
無色澄明 |
無色澄明 |
淡灰色 |
淡灰色 |
無色澄明 |
無色澄明 |
無色澄明 |
淡灰色 |
淡灰色 |
白濁 |
濃白濁 |
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 |
7 |
7 |
7 |
7 |
7 |
7.1 |
7 |
6.9 |
7.4 |
7.1 |
6.8 |
7.5 |
7.2 |
6.8 |
7.8 |
7.1 |
7.1 |
7 |
6.7 |
7.1 |
7 |
7.1 |
7.3 |
7.3 |
7.2 |
7.1 |
7.2 |
7.4 |
7.1 |
7.1 |
7.1 |
7.3 |
7.3 |
7.4 |
6.6 |
DO (mg/l) |
12 |
9.4 |
8.9 |
10 |
8.9 |
7.9 |
10 |
10 |
10 |
8.5 |
7.8 |
7.6 |
9.5 |
9.2 |
6.3 |
9.3 |
8.4 |
8.7 |
8.1 |
3 |
11 |
10 |
10 |
13 |
13 |
13 |
13 |
14 |
15 |
13 |
12 |
13 |
14 |
14 |
13 |
3.8 |
BOD (mg/l) |
0.6 |
0.6 |
0.5 |
0.7 |
0.5 |
0.5 |
0.5 |
0.6 |
0.6 |
0.7 |
0.8 |
0.9 |
0.9 |
0.6 |
0.6 |
1.3 |
1 |
1 |
1 |
1 |
0.7 |
0.7 |
0.8 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.6 |
0.5 |
0.7 |
COD (mg/l) |
1.2 |
1.4 |
1.3 |
1.3 |
1.2 |
1.1 |
1.2 |
1.4 |
1.4 |
1.4 |
1.9 |
2.1 |
2.9 |
2.3 |
2.6 |
2.7 |
2.1 |
2.3 |
2.4 |
2.7 |
1.5 |
1.4 |
1.5 |
0.7 |
0.9 |
0.8 |
0.7 |
0.9 |
1 |
0.9 |
1 |
1 |
1.3 |
1.4 |
1.5 |
2 |
SS (mg/l) |
1 |
4 |
5 |
1 |
3 |
3 |
1 |
2 |
3 |
2 |
3 |
11 |
7 |
10 |
54 |
4 |
7 |
10 |
22 |
13 |
10 |
12 |
18 |
2 |
3 |
1 |
< 1 |
4 |
5 |
< 1 |
< 1 |
1 |
7 |
6 |
19 |
19 |
大腸菌群数 (MPN/100ml) |
4.5E+00 |
2.0E+00 |
1.1E+01 |
7.8E+00 |
4.5E+00 |
1.1E+01 |
4.5E+00 |
7.8E+00 |
4.5E+00 |
1.1E+01 |
7.9E+01 |
4.9E+01 |
7.9E+01 |
3.3E+02 |
7.9E+01 |
4.9E+02 |
3.3E+02 |
1.7E+01 |
4.9E+01 |
4.9E+01 |
4.9E+01 |
2.2E+01 |
4.9E+01 |
4.9E+01 |
7.8E+00 |
4.9E+01 |
2.0E+00 |
4.5E+00 |
4.5E+00 |
4.5E+00 |
4.5E+00 |
4.5E+00 |
6.8E+00 |
1.1E+01 |
2.3E+01 |
3.3E+02 |
全窒素 (mg/l) |
0.29 |
0.35 |
0.39 |
0.24 |
0.31 |
0.24 |
0.18 |
0.2 |
0.27 |
0.25 |
0.25 |
0.32 |
0.28 |
0.29 |
0.44 |
0.33 |
0.27 |
0.33 |
0.4 |
0.4 |
0.27 |
0.24 |
0.27 |
0.21 |
0.19 |
0.2 |
0.19 |
0.18 |
0.22 |
0.24 |
0.22 |
0.21 |
0.34 |
0.34 |
0.39 |
0.4 |
全燐 (mg/l) |
0.003 |
0.005 |
0.004 |
0.006 |
0.007 |
0.007 |
0.004 |
0.005 |
0.005 |
0.004 |
0.004 |
0.007 |
0.013 |
0.015 |
0.036 |
0.013 |
0.009 |
0.011 |
0.014 |
0.02 |
0.008 |
0.01 |
0.012 |
0.005 |
0.006 |
0.006 |
0.005 |
0.009 |
0.015 |
0.008 |
0.003 |
< 0.003 |
0.007 |
0.006 |
0.016 |
0.036 |
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 |
|
|
|
|
|
|
|
|
|
|
0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
< 2 |
|
|
|
|
|
2 |
|
|
|
|
|
14 |
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
透視度 |
> 100 |
> 100 |
75 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
23 |
27 |
25 |
6 |
38 |
35 |
30 |
21 |
21 |
24 |
19 |
12 |
68 |
89 |
> 100 |
> 100 |
74 |
76 |
> 100 |
> 100 |
> 100 |
73 |
70 |
35 |
12 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.16 |
0.18 |
0.17 |
|
|
|
0.11 |
0.14 |
0.16 |
|
|
|
0.07 |
0.15 |
|
|
|
0.13 |
0.13 |
0.13 |
|
|
|
0.17 |
0.16 |
0.15 |
|
|
|
0.27 |
0.27 |
0.27 |
0.24 |