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 |
1998.04.22 |
1998.04.22 |
1998.04.22 |
1998.05.20 |
1998.05.20 |
1998.05.20 |
1998.06.10 |
1998.06.10 |
1998.06.10 |
1998.07.15 |
1998.07.15 |
1998.07.15 |
1998.08.24 |
1998.08.24 |
1998.08.24 |
1998.09.29 |
1998.09.29 |
1998.09.29 |
1998.10.14 |
1998.10.14 |
1998.10.14 |
1998.11.11 |
1998.11.11 |
1998.11.11 |
1998.12.09 |
1998.12.09 |
1998.12.09 |
1999.01.06 |
1999.01.06 |
1999.01.06 |
1999.02.17 |
1999.02.17 |
1999.02.17 |
1999.03.10 |
1999.03.10 |
1999.03.10 |
採取時刻 |
0953 |
1106 |
1132 |
0945 |
1104 |
1134 |
0954 |
1103 |
1123 |
1011 |
1117 |
1154 |
1005 |
1052 |
1124 |
1050 |
1147 |
1215 |
1010 |
1103 |
1140 |
0920 |
1017 |
1056 |
1007 |
1117 |
1148 |
0652 |
0758 |
0818 |
0652 |
0733 |
0800 |
0636 |
0719 |
0745 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
雨 |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
21.5 |
26.0 |
27.0 |
22.0 |
24.0 |
24.5 |
18.0 |
21.0 |
21.8 |
25.0 |
28.5 |
28.0 |
25.5 |
31.5 |
31.5 |
21.0 |
21.5 |
22.0 |
18.0 |
16.0 |
16.5 |
7.0 |
7.0 |
7.0 |
2.5 |
0.8 |
1.0 |
0.0 |
0.5 |
0.5 |
2.0 |
2.0 |
2.5 |
1.0 |
1.0 |
-1.0 |
水温 (℃) |
8.4 |
6.8 |
6.2 |
13.9 |
8.3 |
5.7 |
12.0 |
8.6 |
7.3 |
20.0 |
15.0 |
5.9 |
18.4 |
14.4 |
6.3 |
15.1 |
13.8 |
13.2 |
13.4 |
11.5 |
11.1 |
7.8 |
7.6 |
7.3 |
3.7 |
3.7 |
3.8 |
0.9 |
2.5 |
2.5 |
0.5 |
0.5 |
0.5 |
1.0 |
1.0 |
1.0 |
採取水深 (m) |
0.5 |
15.0 |
30.9 |
0.5 |
15.0 |
29.0 |
0.5 |
15.0 |
25.2 |
0.5 |
10.0 |
24.0 |
0.5 |
10.0 |
24.0 |
0.5 |
10.0 |
20.4 |
0.5 |
8.0 |
17.6 |
0.5 |
8.0 |
17.4 |
0.5 |
10.0 |
24.4 |
0.5 |
10.0 |
20.0 |
0.5 |
8.0 |
15.0 |
0.5 |
6.0 |
10.0 |
全水深 (m) |
31.9 |
|
|
30.0 |
|
|
26.2 |
|
|
25.0 |
|
|
25.0 |
|
|
21.4 |
|
|
18.6 |
|
|
18.4 |
|
|
25.4 |
|
|
21.0 |
|
|
16.0 |
|
|
11.0 |
11.0 |
11.0 |
透明度 (m) |
3.20 |
|
|
3.80 |
|
|
3.30 |
|
|
3.10 |
|
|
1.40 |
|
|
0.90 |
|
|
2.40 |
|
|
1.20 |
|
|
2.30 |
|
|
2.80 |
|
|
2.80 |
|
|
2.80 |
2.80 |
2.80 |
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 |
白濁 |
白濁 |
濃白濁 |
無色澄明 |
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 |
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 |
7.1 |
7.1 |
7.3 |
7.1 |
6.9 |
7.6 |
7.0 |
6.7 |
7.6 |
7.2 |
6.6 |
7.5 |
7.3 |
6.8 |
7.3 |
7.3 |
7.1 |
7.4 |
7.4 |
7.3 |
7.2 |
7.2 |
7.3 |
7.3 |
7.4 |
7.4 |
7.2 |
7.4 |
7.3 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
DO (mg/l) |
12.2 |
11.9 |
12.1 |
11.3 |
10.8 |
9.9 |
10.1 |
10.2 |
7.7 |
9.0 |
8.4 |
3.7 |
10.3 |
9.9 |
0.6 |
9.7 |
9.9 |
8.8 |
9.7 |
9.7 |
9.6 |
10.6 |
10.8 |
11.1 |
12.6 |
12.4 |
12.2 |
13.3 |
13.6 |
13.6 |
14.4 |
15.0 |
14.6 |
15.8 |
15.7 |
17.0 |
BOD (mg/l) |
< 0.5 |
< 0.5 |
< 0.5 |
1.1 |
0.6 |
0.7 |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.0 |
1.2 |
1.2 |
1.4 |
1.3 |
1.3 |
1.3 |
0.5 |
0.8 |
0.9 |
0.9 |
1.4 |
1.5 |
1.9 |
2.6 |
1.5 |
1.5 |
3.0 |
0.8 |
1.2 |
1.7 |
0.9 |
1.0 |
1.4 |
0.8 |
0.8 |
0.8 |
0.7 |
0.6 |
0.8 |
0.7 |
0.6 |
0.9 |
0.9 |
0.8 |
0.9 |
SS (mg/l) |
4 |
5 |
4 |
1 |
2 |
5 |
2 |
1 |
5 |
1 |
1 |
1 |
4 |
8 |
11 |
11 |
20 |
72 |
3 |
9 |
15 |
8 |
9 |
12 |
5 |
6 |
8 |
2 |
2 |
3 |
3 |
4 |
4 |
2 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
< 1.8E+00 |
2.0E+00 |
< 1.8E+00 |
< 1.8E+00 |
2.0E+00 |
< 1.8E+00 |
7.8E+00 |
7.8E+00 |
|
1.3E+01 |
3.3E+01 |
2.0E+00 |
3.3E+02 |
7.0E+02 |
1.7E+02 |
2.2E+03 |
2.2E+02 |
4.9E+02 |
3.3E+01 |
3.3E+01 |
7.0E+02 |
3.3E+01 |
2.3E+01 |
4.9E+01 |
3.3E+01 |
2.4E+02 |
4.9E+01 |
4.5E+00 |
4.5E+00 |
7.9E+00 |
4.5E+00 |
7.8E+00 |
2.0E+00 |
1.1E+01 |
1.3E+01 |
1.1E+01 |
全窒素 (mg/l) |
0.27 |
0.28 |
0.27 |
0.28 |
0.20 |
0.35 |
0.22 |
0.25 |
0.40 |
0.10 |
0.11 |
0.32 |
0.19 |
0.21 |
0.77 |
0.27 |
0.23 |
0.38 |
|
|
|
0.16 |
0.20 |
0.19 |
0.14 |
0.13 |
0.13 |
0.15 |
0.13 |
0.18 |
0.19 |
0.20 |
0.17 |
0.26 |
0.26 |
0.28 |
全燐 (mg/l) |
0.008 |
0.008 |
0.005 |
0.005 |
0.005 |
0.011 |
0.004 |
0.003 |
0.009 |
0.007 |
0.006 |
0.020 |
0.005 |
0.008 |
0.021 |
0.008 |
0.013 |
0.046 |
|
|
|
0.009 |
0.010 |
0.013 |
0.005 |
0.004 |
0.006 |
0.005 |
0.008 |
0.009 |
0.008 |
0.009 |
0.012 |
0.006 |
0.005 |
0.005 |
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) |
|
|
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
< 2.0E+00 |
|
|
|
|
|
< 2.0E+00 |
|
|
< 2.0E+00 |
|
|
< 2.0E+00 |
|
|
|
|
|
|
|
|
|
|
|
< 2.0E+00 |
|
|
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 |
21.0 |
13.0 |
> 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 |
> 30.0 |
> 30.0 |