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 |
1996.04.22 |
1996.04.22 |
1996.04.22 |
1996.05.15 |
1996.05.15 |
1996.05.15 |
1996.06.24 |
1996.06.24 |
1996.06.24 |
1996.07.10 |
1996.07.10 |
1996.07.10 |
1996.08.21 |
1996.08.21 |
1996.08.21 |
1996.09.11 |
1996.09.11 |
1996.09.11 |
1996.10.16 |
1996.10.16 |
1996.10.16 |
1996.11.13 |
1996.11.13 |
1996.11.13 |
1996.12.11 |
1996.12.11 |
1996.12.11 |
1997.01.22 |
1997.01.22 |
1997.01.22 |
1997.02.12 |
1997.02.12 |
1997.02.12 |
1997.03.12 |
1997.03.12 |
1997.03.12 |
採取時刻 |
0925 |
1025 |
1113 |
0937 |
1044 |
1110 |
0934 |
1050 |
1115 |
0955 |
1123 |
1200 |
0905 |
1026 |
1058 |
1012 |
1121 |
1145 |
0921 |
1027 |
1110 |
0935 |
1051 |
1118 |
0910 |
1030 |
1114 |
0830 |
0948 |
1012 |
0705 |
0824 |
0847 |
0652 |
0800 |
0834 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
9.5 |
10.0 |
11.5 |
14.0 |
11.5 |
11.0 |
17.0 |
15.4 |
15.0 |
21.0 |
21.0 |
22.0 |
27.0 |
27.5 |
25.0 |
21.0 |
23.7 |
24.5 |
13.0 |
14.0 |
13.0 |
2.5 |
4.0 |
4.0 |
7.0 |
7.0 |
7.0 |
-4.0 |
-3.5 |
-3.0 |
0.0 |
1.5 |
2.0 |
0.0 |
0.5 |
1.0 |
水温 (℃) |
5.6 |
4.7 |
4.5 |
6.4 |
6.1 |
5.6 |
11.3 |
7.9 |
6.1 |
14.4 |
10.1 |
6.2 |
22.0 |
11.6 |
6.4 |
14.0 |
10.6 |
5.0 |
10.0 |
9.4 |
5.4 |
5.6 |
5.1 |
4.7 |
0.7 |
0.8 |
1.4 |
0.0 |
0.3 |
0.3 |
0.0 |
1.0 |
1.0 |
0.7 |
2.0 |
2.0 |
採取水深 (m) |
0.5 |
10.0 |
22.2 |
0.5 |
15.0 |
31.0 |
0.5 |
15.0 |
28.2 |
0.5 |
13.0 |
24.4 |
0.5 |
13.0 |
23.7 |
0.5 |
10.0 |
18.3 |
0.5 |
8.0 |
17.1 |
0.5 |
10.0 |
17.5 |
0.5 |
10.0 |
22.5 |
0.5 |
10.0 |
20.0 |
0.5 |
10.0 |
18.0 |
0.5 |
8.0 |
13.5 |
全水深 (m) |
23.16 |
23.16 |
23.16 |
32.02 |
32.02 |
32.02 |
29.15 |
29.15 |
29.15 |
25.42 |
25.42 |
25.42 |
24.70 |
24.70 |
24.70 |
19.26 |
19.26 |
19.26 |
18.08 |
18.08 |
18.08 |
18.46 |
18.46 |
18.46 |
23.53 |
23.53 |
23.53 |
21.00 |
21.00 |
21.00 |
19.00 |
19.00 |
19.00 |
14.50 |
14.50 |
14.50 |
透明度 (m) |
2.30 |
2.30 |
2.30 |
0.80 |
0.80 |
0.80 |
1.40 |
1.40 |
1.40 |
1.60 |
1.60 |
1.60 |
2.40 |
2.40 |
2.40 |
1.70 |
1.70 |
1.70 |
1.30 |
1.30 |
1.30 |
1.40 |
1.40 |
1.40 |
2.50 |
2.50 |
2.50 |
3.90 |
3.90 |
3.90 |
3.40 |
3.40 |
3.40 |
3.20 |
3.20 |
3.20 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
白濁 |
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 |
微黄濁 |
無色澄明 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
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 |
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 |
7.1 |
7.0 |
7.0 |
7.2 |
7.1 |
6.8 |
7.3 |
7.0 |
6.7 |
7.7 |
6.8 |
6.6 |
7.3 |
6.6 |
6.6 |
7.3 |
7.2 |
6.8 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.2 |
7.3 |
7.3 |
7.4 |
7.2 |
7.4 |
7.5 |
7.1 |
7.1 |
6.9 |
DO (mg/l) |
11.0 |
11.0 |
9.3 |
11.0 |
11.0 |
11.0 |
10.0 |
10.0 |
8.7 |
9.7 |
9.5 |
6.1 |
8.5 |
6.6 |
1.9 |
8.1 |
3.1 |
1.6 |
9.3 |
8.3 |
0.9 |
10.0 |
9.7 |
10.0 |
12.0 |
11.0 |
11.0 |
13.0 |
13.0 |
13.0 |
13.0 |
12.0 |
12.0 |
12.0 |
11.0 |
11.0 |
BOD (mg/l) |
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 |
0.5 |
0.9 |
< 0.5 |
0.5 |
0.6 |
0.9 |
0.7 |
0.8 |
0.6 |
0.7 |
0.6 |
0.7 |
0.5 |
0.7 |
< 0.5 |
0.9 |
0.7 |
0.8 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.0 |
1.0 |
3.5 |
1.0 |
0.9 |
1.2 |
1.7 |
1.2 |
1.7 |
1.9 |
1.8 |
1.9 |
2.4 |
1.5 |
1.9 |
1.7 |
1.7 |
2.0 |
1.2 |
1.1 |
4.4 |
1.7 |
1.6 |
1.5 |
0.9 |
0.9 |
1.3 |
0.7 |
1.0 |
0.8 |
0.8 |
0.8 |
1.0 |
1.0 |
1.2 |
1.0 |
SS (mg/l) |
2 |
3 |
64 |
8 |
8 |
13 |
2 |
4 |
18 |
2 |
4 |
8 |
1 |
3 |
5 |
4 |
8 |
14 |
4 |
4 |
38 |
5 |
5 |
7 |
2 |
2 |
15 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
< 2.0E+00 |
2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
2.0E+00 |
7.8E+00 |
4.9E+01 |
7.8E+00 |
2.0E+00 |
2.3E+01 |
2.3E+01 |
2.0E+00 |
3.3E+01 |
3.3E+01 |
1.3E+01 |
1.1E+02 |
4.9E+01 |
2.3E+01 |
3.3E+02 |
7.9E+01 |
1.3E+02 |
1.3E+02 |
3.3E+01 |
2.3E+01 |
3.3E+01 |
1.3E+01 |
3.3E+01 |
7.8E+00 |
2.0E+00 |
2.0E+00 |
1.3E+01 |
< 2.0E+00 |
2.0E+00 |
7.8E+00 |
2.0E+00 |
4.5E+00 |
全窒素 (mg/l) |
0.31 |
0.31 |
0.48 |
0.31 |
0.31 |
0.32 |
0.33 |
0.27 |
0.41 |
0.26 |
0.30 |
0.45 |
0.33 |
0.38 |
0.60 |
0.29 |
0.36 |
0.57 |
0.23 |
0.25 |
0.76 |
0.23 |
0.20 |
0.19 |
0.21 |
0.18 |
0.23 |
0.18 |
0.17 |
0.17 |
0.21 |
0.18 |
0.15 |
0.34 |
0.40 |
0.37 |
全燐 (mg/l) |
0.004 |
0.003 |
0.044 |
0.010 |
0.011 |
0.013 |
0.009 |
0.006 |
0.014 |
0.006 |
0.006 |
0.015 |
0.009 |
0.009 |
0.019 |
0.007 |
0.014 |
0.020 |
0.005 |
0.007 |
0.039 |
0.008 |
0.008 |
0.008 |
0.003 |
0.004 |
0.012 |
0.004 |
0.006 |
0.006 |
0.003 |
0.005 |
0.007 |
0.003 |
0.003 |
0.005 |
カドミウム (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
全シアン (mg/l) |
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
鉛 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
六価クロム (mg/l) |
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
砒素 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
< 0.5 |
|
|
|
|
|
< 0.5 |
|
|
|
|
|
< 0.5 |
|
|
|
|
|
< 0.5 |
|
|
|
|
|
< 0.5 |
|
|
|
|
|
< 0.5 |
|
|
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
27.0 |
> 30.0 |
> 30.0 |
20.5 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |