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 |
2006.04.24 |
2006.04.24 |
2006.04.24 |
2006.05.17 |
2006.05.17 |
2006.05.17 |
2006.06.21 |
2006.06.21 |
2006.06.21 |
2006.07.19 |
2006.07.19 |
2006.07.19 |
2006.08.09 |
2006.08.09 |
2006.08.09 |
2006.09.13 |
2006.09.13 |
2006.09.13 |
2006.10.18 |
2006.10.18 |
2006.10.18 |
2006.11.27 |
2006.11.27 |
2006.11.27 |
2006.12.13 |
2006.12.13 |
2006.12.13 |
2007.01.17 |
2007.01.17 |
2007.01.17 |
2007.02.07 |
2007.02.07 |
2007.02.07 |
2007.03.08 |
2007.03.08 |
2007.03.08 |
採取時刻 |
1118 |
1203 |
1228 |
0941 |
1056 |
1125 |
0952 |
1055 |
1135 |
1003 |
1121 |
1205 |
1000 |
1105 |
1150 |
0950 |
1045 |
1118 |
0949 |
1053 |
1120 |
1035 |
1124 |
1205 |
1103 |
1147 |
1215 |
1003 |
1059 |
1137 |
0950 |
1026 |
1045 |
1057 |
1139 |
1206 |
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 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
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 (℃) |
11 |
8 |
8 |
16 |
18 |
18 |
24 |
26.5 |
26 |
18.5 |
20 |
22.5 |
26 |
28 |
26 |
15 |
17 |
17 |
16 |
14 |
15 |
7 |
7 |
6 |
5 |
6 |
6.5 |
2 |
1 |
4 |
3 |
1 |
0.8 |
0.5 |
4.5 |
4.2 |
水温 (℃) |
5.7 |
5.3 |
4.7 |
8 |
6.3 |
6.1 |
15.4 |
9.7 |
7.1 |
20 |
15.3 |
7.5 |
26.2 |
15.4 |
7.9 |
19.5 |
16.9 |
9.1 |
12.4 |
11.2 |
10.6 |
5.6 |
5 |
4.9 |
2.6 |
3.3 |
3.6 |
1 |
1.3 |
1.4 |
1.2 |
1.2 |
1.2 |
2.3 |
3 |
3.1 |
採取水深 (m) |
0.5 |
15.25 |
29.5 |
0.5 |
12.35 |
23.7 |
0.5 |
13.2 |
25.4 |
0.5 |
11.05 |
21.1 |
0.5 |
9 |
17 |
0.5 |
9.4 |
17.8 |
0.5 |
10.6 |
20.2 |
0.5 |
13.6 |
26.3 |
0.5 |
12.3 |
23.5 |
0.5 |
14.1 |
27.2 |
0.5 |
5.5 |
10 |
0.5 |
11.25 |
21.5 |
全水深 (m) |
30.5 |
30.5 |
30.5 |
24.7 |
24.7 |
24.7 |
26.4 |
26.4 |
26.4 |
22.1 |
22.1 |
22.1 |
18 |
18 |
18 |
18.8 |
18.8 |
18.8 |
21.2 |
21.2 |
21.2 |
27.3 |
27.3 |
27.3 |
24.5 |
24.5 |
24.5 |
28.2 |
28.2 |
28.2 |
11 |
11 |
11 |
22.5 |
22.5 |
22.5 |
透明度 (m) |
1.2 |
|
|
1.4 |
|
|
1.2 |
|
|
1.3 |
|
|
2.1 |
|
|
0.9 |
|
|
1.7 |
|
|
0.8 |
|
|
1 |
|
|
0.9 |
|
|
2.2 |
|
|
3.6 |
|
|
外観 |
茶色 |
微茶濁 |
茶濁 |
淡灰色 |
淡灰色 |
淡灰色 |
茶色 |
茶濁 |
茶濁 |
淡灰色 |
微白濁 |
濃白濁 |
無色澄明 |
無色澄明 |
濃白濁 |
茶濁 |
茶濁 |
茶濁 |
無色澄明 |
淡灰色 |
濃白濁 |
淡灰色 |
淡灰色 |
淡灰色 |
淡灰色 |
淡灰色 |
濃白濁 |
淡灰色 |
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 |
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 |
7 |
7 |
7 |
7.1 |
7 |
7.3 |
7 |
7 |
7.5 |
7.1 |
6.8 |
7.7 |
7.2 |
7 |
7.8 |
7.4 |
6.9 |
7.3 |
7.2 |
7.1 |
7.2 |
7.2 |
7.2 |
7.2 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.4 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
DO (mg/l) |
12 |
12 |
12 |
11 |
12 |
12 |
10 |
10 |
10 |
9.1 |
8.2 |
7.1 |
8.4 |
8.7 |
7.1 |
9.6 |
8.5 |
0.9 |
10 |
10 |
9.5 |
12 |
12 |
12 |
12 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
< 0.5 |
1 |
0.8 |
0.6 |
0.6 |
0.5 |
0.5 |
0.9 |
0.7 |
0.7 |
0.6 |
0.7 |
0.9 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
0.5 |
0.5 |
< 0.5 |
0.6 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.4 |
1.5 |
1.6 |
1.3 |
1.3 |
1.3 |
1.7 |
2 |
1.7 |
3 |
2.5 |
1.7 |
1.7 |
1.7 |
1.8 |
2.8 |
2.4 |
2.3 |
1.4 |
1.5 |
2.4 |
1.9 |
1.6 |
1.6 |
1.3 |
1.3 |
1.5 |
1.2 |
1.3 |
1.1 |
1.4 |
1.1 |
1.2 |
1.1 |
1.1 |
1.2 |
SS (mg/l) |
3 |
5 |
12 |
3 |
4 |
5 |
3 |
6 |
18 |
2 |
8 |
15 |
2 |
3 |
27 |
6 |
22 |
43 |
2 |
3 |
9 |
5 |
5 |
5 |
3 |
4 |
7 |
4 |
6 |
6 |
4 |
4 |
4 |
2 |
2 |
5 |
大腸菌群数 (MPN/100ml) |
4.5E+00 |
1.3E+01 |
1.1E+01 |
4.5E+00 |
2.3E+01 |
7.8E+00 |
2.2E+01 |
4.9E+01 |
1.3E+02 |
7.9E+01 |
7.9E+01 |
1.3E+01 |
1.1E+02 |
1.1E+01 |
2.2E+01 |
1.1E+03 |
1.3E+03 |
4.9E+02 |
4.9E+01 |
4.9E+01 |
4.9E+01 |
3.3E+01 |
4.9E+01 |
4.9E+01 |
1.3E+01 |
2.3E+01 |
1.1E+01 |
7.8E+00 |
2.3E+01 |
1.3E+01 |
4.5E+00 |
2.0E+00 |
4.5E+00 |
2.0E+00 |
1.8E+00 |
1.8E+00 |
全窒素 (mg/l) |
0.36 |
0.36 |
0.42 |
0.29 |
0.26 |
0.35 |
0.27 |
0.32 |
0.37 |
0.38 |
0.33 |
0.45 |
0.26 |
0.44 |
0.2 |
0.34 |
0.35 |
0.46 |
0.25 |
0.26 |
0.33 |
0.27 |
0.24 |
0.25 |
0.24 |
0.26 |
0.27 |
0.29 |
0.31 |
0.3 |
0.23 |
0.26 |
0.23 |
0.31 |
0.25 |
0.25 |
全燐 (mg/l) |
0.007 |
0.009 |
0.015 |
0.008 |
0.008 |
0.009 |
0.007 |
0.011 |
0.02 |
0.008 |
0.008 |
0.015 |
0.005 |
0.005 |
0.019 |
0.012 |
0.023 |
0.027 |
0.005 |
0.008 |
0.011 |
0.007 |
0.005 |
0.007 |
0.006 |
0.007 |
0.009 |
0.006 |
0.006 |
0.007 |
0.007 |
0.007 |
0.008 |
0.004 |
0.003 |
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) |
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
< 0.01 |
< 0.01 |
< 0.01 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
< 2 |
|
|
|
|
|
3 |
|
|
|
|
|
3 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
|
|
|
< 2 |
|
|
透視度 |
65 |
40 |
22 |
74 |
75 |
70 |
66 |
38 |
13 |
79 |
42 |
17 |
> 100 |
95 |
10 |
24 |
10 |
8 |
> 100 |
84 |
20 |
> 100 |
> 100 |
88 |
78 |
56 |
30 |
62 |
47 |
45 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
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 |
0.21 |
0.21 |
|
|
|
0.13 |
0.15 |
0.17 |
|
|
|
0.1 |
0.13 |
0.15 |
|
|
|
0.16 |
0.18 |
0.18 |
|
|
|
0.2 |
0.19 |
0.2 |
|
|
|
0.23 |
0.18 |
0.16 |