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 |
2010.04.22 |
2010.04.22 |
2010.04.22 |
2010.05.19 |
2010.05.19 |
2010.05.19 |
2010.06.09 |
2010.06.09 |
2010.06.09 |
2010.07.21 |
2010.07.21 |
2010.07.21 |
2010.08.25 |
2010.08.25 |
2010.08.25 |
2010.09.27 |
2010.09.27 |
2010.09.27 |
2010.10.13 |
2010.10.13 |
2010.10.13 |
2010.11.17 |
2010.11.17 |
2010.11.17 |
2010.12.20 |
2010.12.20 |
2010.12.20 |
2011.01.05 |
2011.01.05 |
2011.01.05 |
2011.02.02 |
2011.02.02 |
2011.02.02 |
2011.03.02 |
2011.03.02 |
2011.03.02 |
採取時刻 |
0941 |
1025 |
1058 |
1010 |
1055 |
1135 |
0950 |
1047 |
1121 |
1003 |
1056 |
1128 |
0950 |
1045 |
1105 |
0942 |
1044 |
1100 |
1020 |
1103 |
1130 |
0951 |
1041 |
1111 |
1018 |
1133 |
1322 |
0719 |
0820 |
0851 |
0747 |
0814 |
0831 |
0714 |
0755 |
0826 |
天候 |
雨 |
雨 |
雨 |
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 |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
気温 (℃) |
7.2 |
5.8 |
5 |
23 |
20 |
21 |
23 |
25 |
25 |
28 |
28 |
28 |
28 |
28 |
29 |
14 |
14 |
14 |
19 |
19 |
18 |
9 |
7 |
8 |
6 |
6 |
7 |
-1.5 |
-0.3 |
-2.0 |
-6.5 |
-6.0 |
-4.0 |
-0.7 |
-0.2 |
-0.2 |
水温 (℃) |
5.4 |
5.3 |
5.3 |
10 |
6.6 |
6 |
16.3 |
10 |
6.9 |
23.1 |
15.6 |
6.7 |
24.6 |
18.2 |
7.1 |
15.2 |
12.9 |
9.5 |
14.5 |
13.8 |
8.5 |
7.5 |
7.5 |
7.1 |
2.9 |
3.3 |
3.4 |
2.0 |
2.6 |
3.0 |
0.2 |
1.5 |
2.0 |
0.4 |
2.0 |
2.2 |
流量 (m3/s) |
23.6 |
23.6 |
23.6 |
25.14 |
25.14 |
25.14 |
6.77 |
6.77 |
6.77 |
5.9 |
5.9 |
5.9 |
3.92 |
3.92 |
3.92 |
7.5 |
7.5 |
7.5 |
8.6 |
8.6 |
8.6 |
8.1 |
8.1 |
8.1 |
8.5 |
8.5 |
8.5 |
2.56 |
2.56 |
2.56 |
3.83 |
3.83 |
3.83 |
5 |
5 |
5 |
採取水深 (m) |
0.5 |
13.63 |
26.25 |
0.5 |
14.8 |
28.5 |
0.5 |
11.25 |
21.5 |
0.5 |
11.55 |
22.1 |
0.5 |
10.2 |
19.4 |
0.5 |
10.05 |
19.1 |
0.5 |
8.25 |
15.5 |
0.5 |
12.3 |
23.6 |
0.5 |
13.6 |
26.2 |
0.5 |
11.79 |
22.58 |
0.5 |
9.49 |
17.97 |
0.5 |
7.9 |
15.8 |
全水深 (m) |
27.25 |
27.25 |
27.25 |
29.5 |
29.5 |
29.5 |
22.5 |
22.5 |
22.5 |
23.1 |
23.1 |
23.1 |
20.4 |
20.4 |
20.4 |
20.1 |
20.1 |
20.1 |
16.5 |
16.5 |
16.5 |
24.6 |
24.6 |
24.6 |
27.2 |
27.2 |
27.2 |
23.58 |
23.58 |
23.58 |
18.97 |
18.97 |
18.97 |
16.8 |
16.8 |
16.8 |
透明度 (m) |
1.9 |
|
|
1.4 |
|
|
2.1 |
|
|
2.3 |
|
|
2.1 |
|
|
1.44 |
|
|
0.8 |
|
|
2.4 |
|
|
0.9 |
|
|
1 |
|
|
3.5 |
|
|
1.2 |
|
|
外観 |
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 |
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 |
無色澄明 |
微白濁 |
茶色 |
茶色 |
茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
茶色 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
茶色 |
茶色 |
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 |
7.1 |
7.1 |
7.1 |
7.1 |
7.1 |
7.5 |
7.4 |
7.3 |
7.5 |
7.3 |
6.8 |
7.7 |
7.4 |
6.8 |
7.4 |
7.3 |
7.0 |
7.3 |
7.2 |
6.9 |
7.3 |
7.2 |
7.2 |
7.3 |
7.2 |
7.2 |
7.1 |
7.2 |
7.1 |
7.2 |
7.2 |
7.1 |
7.1 |
7.1 |
7.1 |
DO (mg/l) |
11 |
12 |
12 |
11 |
11 |
11 |
9.6 |
10 |
10 |
8.8 |
8.7 |
5.6 |
8.5 |
8.1 |
2.2 |
9.5 |
9.5 |
7.4 |
8.1 |
7.7 |
2.0 |
10 |
11 |
11 |
11 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
11 |
12 |
11 |
11 |
BOD (mg/l) |
0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
0.6 |
0.9 |
< 0.5 |
< 0.5 |
< 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 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.0 |
1.0 |
1.0 |
0.7 |
0.6 |
0.5 |
0.8 |
0.7 |
0.8 |
2.4 |
2.6 |
2.4 |
1.6 |
2.1 |
1.6 |
1.2 |
1.7 |
1.7 |
2.2 |
2.6 |
2.9 |
1.6 |
1.7 |
1.7 |
1.7 |
1.7 |
1.8 |
0.8 |
1.0 |
1.2 |
0.9 |
1.3 |
1.5 |
1.2 |
1.0 |
1.1 |
SS (mg/l) |
2 |
2 |
3 |
2 |
5 |
6 |
1 |
2 |
3 |
1 |
2 |
4 |
2 |
4 |
4 |
3 |
3 |
7 |
9 |
13 |
24 |
2 |
2 |
2 |
4 |
6 |
5 |
3 |
4 |
7 |
< 1 |
1 |
1 |
4 |
4 |
5 |
大腸菌群数 (MPN/100ml) |
< 1.8E+00 |
2.0E+00 |
7.0E+00 |
2.0E+00 |
7.0E+00 |
4.0E+00 |
1.1E+03 |
2.3E+01 |
7.0E+00 |
2.3E+01 |
4.6E+02 |
7.0E+01 |
1.7E+02 |
1.3E+03 |
3.3E+02 |
4.9E+02 |
1.3E+03 |
3.3E+02 |
3.3E+02 |
2.4E+02 |
1.1E+02 |
4.9E+01 |
7.9E+01 |
3.3E+01 |
4.9E+01 |
4.9E+01 |
7.9E+01 |
4.9E+01 |
7.9E+01 |
3.3E+01 |
7.8E+00 |
2.2E+01 |
2.2E+01 |
4.5E+00 |
1.3E+01 |
2.0E+00 |
全窒素 (mg/l) |
0.30 |
0.27 |
0.27 |
0.16 |
0.17 |
0.20 |
0.16 |
0.18 |
0.21 |
0.19 |
0.21 |
0.38 |
0.20 |
0.28 |
0.38 |
0.25 |
0.16 |
0.24 |
0.30 |
0.36 |
0.38 |
0.19 |
0.20 |
0.19 |
0.22 |
0.24 |
0.22 |
0.19 |
0.20 |
0.24 |
0.17 |
0.18 |
0.25 |
0.34 |
0.30 |
0.27 |
全燐 (mg/l) |
0.009 |
0.005 |
0.005 |
0.005 |
0.008 |
0.008 |
0.005 |
0.004 |
0.005 |
0.005 |
0.005 |
0.009 |
0.008 |
0.007 |
0.008 |
0.010 |
0.006 |
0.010 |
0.049 |
0.014 |
0.026 |
0.006 |
0.004 |
0.005 |
0.007 |
0.008 |
0.008 |
0.005 |
0.006 |
0.009 |
< 0.003 |
0.003 |
0.003 |
0.004 |
0.005 |
0.006 |
全亜鉛 (mg/l) |
0.004 |
0.004 |
0.004 |
0.002 |
0.001 |
0.001 |
0.002 |
0.001 |
0.001 |
0.002 |
0.001 |
0.002 |
0.001 |
0.001 |
0.002 |
0.002 |
0.001 |
0.001 |
0.004 |
0.002 |
0.003 |
0.002 |
0.001 |
0.002 |
0.005 |
0.002 |
0.002 |
0.004 |
0.003 |
0.003 |
0.002 |
0.001 |
0.001 |
0.004 |
0.003 |
0.003 |
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 |
|
|
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
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 |
|
|
|
|
|
5 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
85 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
76 |
> 100 |
75 |
87 |
> 100 |
> 100 |
86 |
54 |
54 |
32 |
> 100 |
> 100 |
> 100 |
62 |
52 |
50 |
74 |
70 |
44 |
> 100 |
> 100 |
> 100 |
85 |
79 |
80 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.15 |
0.15 |
0.17 |
|
|
|
0.20 |
0.17 |
0.16 |
ふん便性大腸菌群数 (個/100mL) |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
5 |
2 |
2 |
6 |
10 |
20 |
67 |
50 |
78 |
100 |
96 |
140 |
130 |
87 |
8 |
3 |
4 |
2 |
6 |
4 |
2 |
2 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |