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 |
2008.04.16 |
2008.04.16 |
2008.04.16 |
2008.06.04 |
2008.06.04 |
2008.06.04 |
2008.08.07 |
2008.08.07 |
2008.08.07 |
2008.09.04 |
2008.09.04 |
2008.09.04 |
2008.09.17 |
2008.09.17 |
2008.09.17 |
2008.10.08 |
2008.10.08 |
2008.10.08 |
2008.11.12 |
2008.11.12 |
2008.11.12 |
2008.12.10 |
2008.12.10 |
2008.12.10 |
2009.01.07 |
2009.01.07 |
2009.01.07 |
2009.02.04 |
2009.02.04 |
2009.02.04 |
2009.03.04 |
2009.03.04 |
2009.03.04 |
採取時刻 |
0950 |
1045 |
1117 |
1010 |
1120 |
1155 |
1045 |
1145 |
1223 |
0954 |
1047 |
1121 |
0932 |
1020 |
1045 |
0940 |
1015 |
1045 |
1000 |
1108 |
1151 |
1011 |
1103 |
1139 |
0723 |
0816 |
0843 |
0718 |
0750 |
0813 |
0706 |
0740 |
0808 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
雨 |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
15.5 |
17.5 |
17.5 |
19.2 |
18 |
18 |
28.1 |
28.5 |
28.5 |
24.5 |
23.5 |
24 |
24 |
26 |
27 |
15 |
15 |
13.5 |
9 |
9 |
9 |
11.3 |
10 |
9.8 |
-4.0 |
-3.5 |
-3.2 |
-2.3 |
-1.4 |
-0.5 |
-1.5 |
-1.0 |
-0.5 |
水温 (℃) |
6.2 |
5.6 |
5.3 |
13.1 |
9.8 |
7.4 |
24.6 |
16.9 |
8.5 |
19.8 |
15 |
9.1 |
18 |
13.2 |
9.5 |
13.7 |
12.4 |
10.5 |
7.9 |
7.7 |
7.3 |
4.5 |
4.4 |
4.6 |
0.8 |
1.9 |
1.9 |
0.9 |
1.8 |
1.9 |
0.8 |
2.2 |
2.2 |
流量 (m3/s) |
28.72 |
28.72 |
28.72 |
8.54 |
8.54 |
8.54 |
4.19 |
4.19 |
4.19 |
11.07 |
11.07 |
11.07 |
3.28 |
3.28 |
3.28 |
5.22 |
5.22 |
5.22 |
5.7 |
5.7 |
5.7 |
11.55 |
11.55 |
11.55 |
5.11 |
5.11 |
5.11 |
5.89 |
5.89 |
5.89 |
5.28 |
5.28 |
5.28 |
採取水深 (m) |
0.5 |
14.4 |
27.8 |
0.5 |
11.4 |
21.7 |
0.5 |
11.1 |
21.2 |
0.5 |
10.7 |
20.3 |
0.5 |
8 |
14.9 |
0.5 |
7 |
13 |
0.5 |
13.6 |
26.2 |
0.5 |
14.4 |
27.8 |
0.5 |
11.65 |
22.3 |
0.5 |
8 |
15 |
0.5 |
6.76 |
12.52 |
全水深 (m) |
28.8 |
28.8 |
28.8 |
22.7 |
22.7 |
22.7 |
22.2 |
22.2 |
22.2 |
21.3 |
21.3 |
21.3 |
15.9 |
15.9 |
15.9 |
14 |
14 |
14 |
27.2 |
27.2 |
27.2 |
28.8 |
28.8 |
28.8 |
23.3 |
23.3 |
23.3 |
16 |
16 |
16 |
13.52 |
13.52 |
13.52 |
透明度 (m) |
0.6 |
|
|
1.2 |
|
|
1.3 |
|
|
1.1 |
|
|
0.8 |
|
|
0.7 |
|
|
1.4 |
|
|
0.9 |
|
|
1.0 |
|
|
1.5 |
|
|
1.8 |
|
|
外観 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
微白濁 |
茶褐色・濃 |
微白濁 |
白濁 |
濃白濁 |
微白濁 |
濃白濁 |
濃白濁 |
茶濁 |
茶褐色・濃 |
茶褐色・濃 |
茶色 |
微白濁 |
茶濁 |
無色澄明 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
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 |
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 |
pH |
7.3 |
7.2 |
7.1 |
7.3 |
7.2 |
7.0 |
7.7 |
7.3 |
6.8 |
8.7 |
7.3 |
6.7 |
7.2 |
7.0 |
6.7 |
7.4 |
7.3 |
7.0 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.5 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
DO (mg/l) |
12 |
12 |
12 |
10 |
10 |
10 |
8.7 |
8.2 |
0.9 |
10 |
9.3 |
1.6 |
7.9 |
5.8 |
1.1 |
9.4 |
8.7 |
2.6 |
11 |
11 |
11 |
12 |
12 |
12 |
13 |
13 |
13 |
12 |
12 |
12 |
13 |
12 |
12 |
BOD (mg/l) |
0.6 |
0.5 |
0.5 |
0.7 |
0.6 |
0.8 |
0.7 |
0.8 |
0.8 |
0.9 |
0.5 |
0.6 |
0.6 |
0.6 |
0.6 |
0.9 |
0.9 |
1.1 |
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) |
1.5 |
1.3 |
1.2 |
1.5 |
1.5 |
3.1 |
1.8 |
2.3 |
2.1 |
2.4 |
1.9 |
2.2 |
2.0 |
2.3 |
2.3 |
2.3 |
2.1 |
2.8 |
1.7 |
1.6 |
1.3 |
1.4 |
1.3 |
1.1 |
1.1 |
0.9 |
0.7 |
0.9 |
1.2 |
0.9 |
0.7 |
0.8 |
0.9 |
SS (mg/l) |
7 |
8 |
10 |
3 |
4 |
19 |
3 |
8 |
16 |
5 |
10 |
43 |
13 |
42 |
23 |
9 |
10 |
15 |
2 |
2 |
2 |
4 |
5 |
6 |
3 |
2 |
2 |
2 |
2 |
2 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
2.0E+00 |
4.5E+00 |
4.5E+00 |
2.3E+01 |
4.9E+01 |
7.9E+01 |
1.7E+02 |
1.3E+02 |
3.3E+01 |
2.4E+02 |
3.3E+01 |
1.7E+01 |
4.9E+01 |
1.1E+01 |
3.3E+02 |
7.9E+01 |
3.3E+01 |
4.9E+01 |
1.1E+01 |
3.3E+01 |
3.3E+01 |
2.2E+01 |
2.3E+01 |
1.3E+01 |
2.0E+00 |
4.5E+00 |
2.0E+00 |
4.5E+00 |
7.8E+00 |
2.0E+00 |
< 1.8E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.31 |
0.33 |
0.34 |
0.31 |
0.31 |
0.54 |
0.31 |
0.36 |
0.64 |
0.30 |
0.31 |
0.42 |
0.25 |
0.33 |
0.38 |
0.27 |
0.26 |
0.36 |
0.18 |
0.18 |
0.21 |
0.21 |
0.21 |
0.23 |
0.21 |
0.19 |
0.2 |
0.25 |
0.25 |
0.27 |
0.23 |
0.21 |
0.23 |
全燐 (mg/l) |
0.010 |
0.008 |
0.010 |
0.008 |
0.008 |
0.033 |
0.008 |
0.010 |
0.017 |
0.012 |
0.009 |
0.019 |
0.015 |
0.024 |
0.018 |
0.009 |
0.009 |
0.011 |
0.004 |
0.004 |
0.005 |
0.005 |
0.007 |
0.009 |
0.005 |
0.007 |
0.009 |
0.003 |
0.003 |
0.004 |
0.003 |
0.003 |
0.004 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
0.006 |
|
|
0.011 |
|
|
0.009 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.014 |
|
|
0.007 |
|
|
< 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) |
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
0.002 |
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
< 2 |
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
透視度 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
84 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.13 |
0.13 |
0.16 |
0.07 |
0.14 |
0.06 |
|
|
|
0.06 |
0.09 |
0.02 |
|
|
|
0.12 |
0.13 |
0.11 |
|
|
|
0.14 |
0.14 |
0.14 |
|
|
|
0.16 |
0.16 |
0.16 |