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 |
2003.04.23 |
2003.04.23 |
2003.04.23 |
2003.05.27 |
2003.05.27 |
2003.05.27 |
2003.06.18 |
2003.06.18 |
2003.06.18 |
2003.07.16 |
2003.07.16 |
2003.07.16 |
2003.08.20 |
2003.08.20 |
2003.08.20 |
2003.09.17 |
2003.09.17 |
2003.09.17 |
2003.10.08 |
2003.10.08 |
2003.10.08 |
2003.11.12 |
2003.11.12 |
2003.11.12 |
2003.12.10 |
2003.12.10 |
2003.12.10 |
2004.01.07 |
2004.01.07 |
2004.01.07 |
2004.02.04 |
2004.02.04 |
2004.02.04 |
2004.03.03 |
2004.03.03 |
2004.03.03 |
採取時刻 |
1030 |
1120 |
1200 |
1039 |
1123 |
1150 |
1006 |
1041 |
1115 |
1007 |
1059 |
1127 |
1004 |
1100 |
1127 |
1010 |
1055 |
1140 |
0954 |
1038 |
1129 |
0940 |
1028 |
1115 |
1032 |
1107 |
1136 |
0732 |
0825 |
0853 |
0710 |
0740 |
0800 |
0728 |
0800 |
0835 |
天候 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
気温 (℃) |
5.5 |
5 |
4.5 |
17.3 |
17 |
17 |
24 |
23.7 |
24 |
20 |
19 |
24 |
18 |
18.3 |
18.7 |
21 |
21 |
21 |
17 |
18 |
16 |
15 |
10 |
10 |
4 |
4 |
5 |
-6 |
-5 |
-4 |
-3 |
-3 |
-3 |
-2.5 |
-2 |
-2 |
水温 (℃) |
5.5 |
5.2 |
4.9 |
11.8 |
6.7 |
5.7 |
18.3 |
7.9 |
5.8 |
14.7 |
11.7 |
5.9 |
18.2 |
14.2 |
6.2 |
17 |
10.3 |
6.4 |
12.3 |
10.5 |
7.4 |
9.5 |
8.9 |
8.2 |
3.9 |
3.9 |
3.9 |
0.8 |
0.8 |
0.3 |
0.2 |
0.8 |
0.6 |
1.3 |
1.5 |
1.5 |
流量 (m3/s) |
26.71 |
26.71 |
26.71 |
12.38 |
12.38 |
12.38 |
3.4 |
3.4 |
3.4 |
9.45 |
9.45 |
9.45 |
11.57 |
11.57 |
11.57 |
7.16 |
7.16 |
7.16 |
5.01 |
5.01 |
5.01 |
9.52 |
9.52 |
9.52 |
8.7 |
8.7 |
8.7 |
6.75 |
6.75 |
6.75 |
3.83 |
3.83 |
3.83 |
5.33 |
5.33 |
5.33 |
採取水深 (m) |
0.5 |
15.62 |
30.23 |
0.5 |
15.95 |
30.9 |
0.5 |
14.2 |
27.4 |
0.5 |
13.13 |
25.26 |
0.5 |
13.11 |
25.22 |
0.5 |
9.83 |
18.65 |
0.5 |
8.92 |
16.84 |
0.5 |
14.4 |
27.79 |
0.5 |
14.83 |
28.65 |
0.5 |
11 |
20.99 |
0.5 |
9.63 |
18.26 |
0.5 |
7.02 |
13.04 |
全水深 (m) |
31.23 |
31.23 |
31.23 |
31.9 |
31.9 |
31.9 |
28.4 |
28.4 |
28.4 |
26.26 |
26.26 |
26.26 |
26.22 |
26.22 |
26.22 |
19.65 |
19.65 |
19.65 |
17.84 |
17.84 |
17.84 |
28.79 |
28.79 |
28.79 |
29.65 |
29.65 |
29.65 |
21.99 |
21.99 |
21.99 |
19.26 |
19.26 |
19.26 |
14.04 |
14.04 |
14.04 |
透明度 (m) |
2.2 |
|
|
3.2 |
|
|
4.6 |
|
|
1.4 |
|
|
2.5 |
|
|
0.5 |
|
|
0.8 |
|
|
2.3 |
|
|
1.9 |
|
|
2.2 |
|
|
2.8 |
|
|
1.5 |
|
|
外観 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
白濁 |
茶濁 |
茶濁 |
無色澄明 |
白濁 |
茶濁 |
白濁 |
無色澄明 |
無色澄明 |
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 |
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 |
7.1 |
7.2 |
6.9 |
7 |
6.9 |
6.8 |
7.2 |
6.9 |
6.7 |
7.2 |
6.8 |
6.6 |
7.3 |
7.2 |
6.6 |
7.2 |
6.9 |
6.7 |
7.3 |
7.2 |
6.7 |
7.2 |
7.2 |
7.1 |
7 |
7 |
7.1 |
7.2 |
7.2 |
7.1 |
7.2 |
7.2 |
7.2 |
7 |
6.9 |
7 |
DO (mg/l) |
12.1 |
12.1 |
12.1 |
10.8 |
11.5 |
10.5 |
9.7 |
10.1 |
7.3 |
9.7 |
9.9 |
5.5 |
9.3 |
9.1 |
1.6 |
8.2 |
4.4 |
1 |
9.4 |
8.6 |
1.3 |
10.5 |
10.3 |
10.1 |
11.9 |
12.1 |
12 |
12.5 |
13.8 |
11.9 |
13.6 |
E |
E |
12.4 |
12.5 |
13.1 |
BOD (mg/l) |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.6 |
0.6 |
0.7 |
0.6 |
< 0.5 |
< 0.5 |
0.6 |
< 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) |
1.1 |
1.3 |
1.5 |
1.3 |
1.2 |
1.3 |
1.1 |
0.9 |
1.2 |
1.2 |
1.9 |
2.2 |
2.3 |
1.4 |
2 |
2.3 |
1.4 |
1.6 |
1.5 |
1.8 |
2 |
1.4 |
1.4 |
1.6 |
1.4 |
1.4 |
1.4 |
0.9 |
0.7 |
0.8 |
0.8 |
0.7 |
0.7 |
1.1 |
1 |
1.1 |
SS (mg/l) |
3 |
6 |
6 |
1 |
2 |
6 |
1 |
1 |
3 |
3 |
5 |
24 |
2 |
5 |
17 |
14 |
25 |
13 |
13 |
24 |
15 |
2 |
3 |
6 |
3 |
3 |
3 |
2 |
2 |
1 |
< 1 |
2 |
1 |
2 |
2 |
1 |
大腸菌群数 (MPN/100ml) |
< 1.8E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
4.5E+00 |
2.0E+00 |
4.5E+00 |
7.0E+01 |
1.7E+02 |
7.9E+01 |
7.9E+02 |
3.3E+02 |
2.8E+02 |
4.9E+01 |
1.1E+02 |
4.9E+01 |
3.3E+01 |
7.9E+01 |
4.9E+01 |
3.3E+01 |
3.3E+01 |
1.3E+02 |
4.9E+01 |
3.3E+01 |
4.9E+01 |
4.5E+00 |
6.8E+00 |
1.3E+01 |
2.0E+00 |
< 1.8E+00 |
2.0E+00 |
4.5E+00 |
4.5E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.28 |
0.31 |
0.31 |
0.21 |
0.24 |
0.32 |
0.19 |
0.17 |
0.33 |
0.29 |
0.26 |
0.64 |
0.21 |
0.18 |
0.57 |
0.27 |
0.37 |
0.56 |
0.3 |
0.29 |
0.46 |
0.14 |
0.13 |
0.15 |
0.21 |
0.2 |
0.22 |
0.17 |
0.17 |
0.16 |
0.19 |
0.17 |
0.18 |
0.34 |
0.34 |
0.33 |
全燐 (mg/l) |
0.004 |
0.005 |
0.006 |
0.004 |
0.005 |
0.009 |
< 0.003 |
0.007 |
0.007 |
0.009 |
0.015 |
0.032 |
0.012 |
0.009 |
0.024 |
0.019 |
0.024 |
0.018 |
0.014 |
0.021 |
0.019 |
0.01 |
0.01 |
0.005 |
0.007 |
0.006 |
0.006 |
0.006 |
0.006 |
0.006 |
0.005 |
0.006 |
0.006 |
0.007 |
0.004 |
0.004 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
0.2 |
< 0.1 |
< 0.1 |
0.2 |
< 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 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
26 |
20 |
> 30 |
> 30 |
27 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.21 |
0.22 |
0.22 |
0.13 |
0.15 |
0.16 |
0.05 |
0.11 |
0.13 |
0.1 |
0.1 |
0.08 |
0.07 |
0.11 |
0.1 |
0.05 |
0.09 |
0.09 |
0.08 |
0.09 |
0.05 |
0.06 |
0.06 |
0.07 |
0.11 |
0.12 |
0.12 |
0.13 |
0.14 |
0.13 |
0.14 |
0.11 |
0.13 |
0.27 |
0.3 |
0.26 |