測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50901 |
四十四田ダム貯水池 |
L‐22(ダムサイト) |
A |
測定結果
採取年月日 |
2008.04.16 |
2008.04.16 |
2008.04.16 |
2008.05.28 |
2008.05.28 |
2008.05.28 |
2008.06.18 |
2008.06.18 |
2008.06.18 |
2008.08.06 |
2008.08.06 |
2008.08.06 |
2008.08.27 |
2008.08.27 |
2008.08.27 |
2008.09.17 |
2008.09.17 |
2008.09.17 |
2008.10.14 |
2008.10.14 |
2008.10.14 |
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 |
0930 |
0955 |
1010 |
0930 |
1000 |
1020 |
0900 |
0930 |
0950 |
0940 |
1000 |
1015 |
0930 |
0950 |
1010 |
0925 |
0950 |
1010 |
0940 |
1010 |
1040 |
1000 |
1030 |
1050 |
0930 |
1005 |
1025 |
0935 |
1005 |
1025 |
0930 |
1000 |
1020 |
1010 |
1032 |
1050 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
15 |
15 |
15 |
15.6 |
15.6 |
15.6 |
18.6 |
18.6 |
18.6 |
27.2 |
27.2 |
27.2 |
24.5 |
24.5 |
24.5 |
22.5 |
22.5 |
22.5 |
12.8 |
12.8 |
12.8 |
6.8 |
6.8 |
6.8 |
8 |
8 |
8 |
-0.2 |
-0.2 |
-0.2 |
-3.0 |
-3.0 |
-3.0 |
1.0 |
1.0 |
1.0 |
水温 (℃) |
11.3 |
9.7 |
9.3 |
17.8 |
15.2 |
12.5 |
21.6 |
18.1 |
15.3 |
25.5 |
23.1 |
19.8 |
18.4 |
18.3 |
17.6 |
19 |
18.2 |
17.1 |
15.8 |
15.3 |
14.3 |
9.7 |
9.5 |
9.1 |
5.6 |
5.6 |
5.4 |
1.6 |
2.5 |
2.9 |
0.9 |
2.3 |
3.0 |
1.9 |
2.9 |
3.6 |
流量 (m3/s) |
25.95 |
25.95 |
25.95 |
28.2 |
28.2 |
28.2 |
11.17 |
11.17 |
11.17 |
21.62 |
21.62 |
21.62 |
32.74 |
32.74 |
32.74 |
33.32 |
33.32 |
33.32 |
22.34 |
22.34 |
22.34 |
25.95 |
25.95 |
25.95 |
36.3 |
36.3 |
36.3 |
39.06 |
39.06 |
39.06 |
26.18 |
26.18 |
26.18 |
34.7 |
34.7 |
34.7 |
採取水深 (m) |
0.5 |
11.4 |
21.8 |
0.5 |
12 |
22.9 |
0.5 |
8.85 |
16.7 |
0.5 |
6.8 |
12.6 |
0.5 |
6.9 |
12.8 |
0.5 |
6.9 |
12.7 |
0.5 |
8.7 |
16.3 |
0.5 |
11.6 |
22.2 |
0.5 |
12 |
23 |
0.5 |
12 |
23 |
0.5 |
12.15 |
23.3 |
0.5 |
12 |
23 |
全水深 (m) |
22.8 |
22.8 |
22.8 |
23.9 |
23.9 |
23.9 |
17.7 |
17.7 |
17.7 |
13.6 |
13.6 |
13.6 |
13.8 |
13.8 |
13.8 |
13.7 |
13.7 |
13.7 |
17.3 |
17.3 |
17.3 |
23.2 |
23.2 |
23.2 |
24 |
24 |
24 |
24 |
24 |
24 |
24.3 |
24.3 |
24.3 |
24 |
24 |
24 |
透明度 (m) |
1.8 |
|
|
2.5 |
|
|
1.9 |
|
|
1 |
|
|
1.4 |
|
|
1.7 |
|
|
1.8 |
|
|
2.8 |
|
|
2 |
|
|
3.0 |
|
|
3.1 |
|
|
3.2 |
|
|
外観 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
8.0 |
7.7 |
7.5 |
7.8 |
7.3 |
7.1 |
7.4 |
7.3 |
7.1 |
8.5 |
7.6 |
7.4 |
7.5 |
7.5 |
7.4 |
7.5 |
7.6 |
7.5 |
8 |
7.6 |
7.6 |
7.5 |
7.5 |
7.5 |
7.5 |
7.5 |
7.5 |
7.7 |
7.6 |
7.5 |
7.5 |
7.5 |
7.5 |
7.6 |
7.5 |
7.5 |
DO (mg/l) |
12 |
11 |
11 |
10 |
9 |
8.3 |
9.1 |
7.7 |
5.3 |
12 |
8.0 |
6.8 |
9.2 |
8.8 |
8.6 |
10 |
9.2 |
8.8 |
10 |
9.3 |
9 |
10 |
10 |
10 |
11 |
11 |
11 |
14 |
13 |
12 |
13 |
13 |
12 |
13 |
12 |
12 |
BOD (mg/l) |
0.9 |
0.7 |
0.6 |
0.6 |
0.6 |
< 0.5 |
0.9 |
0.9 |
0.9 |
1.5 |
1.4 |
1.2 |
1.0 |
1.1 |
1.1 |
0.6 |
0.6 |
0.8 |
1.3 |
0.7 |
0.7 |
0.7 |
0.6 |
0.6 |
0.8 |
0.8 |
0.8 |
0.7 |
0.7 |
0.8 |
0.8 |
0.7 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
2.3 |
1.6 |
1.5 |
2.3 |
1.7 |
2 |
2.6 |
2.3 |
2.2 |
3.8 |
2.6 |
2.4 |
2.2 |
2.5 |
2.7 |
1.6 |
1.8 |
2 |
2.9 |
2.4 |
2.3 |
2.4 |
2.2 |
2.4 |
1.7 |
1.8 |
1.9 |
1.6 |
1.6 |
1.4 |
2.2 |
1.8 |
1.6 |
1.6 |
1.3 |
1.3 |
SS (mg/l) |
2 |
2 |
2 |
1 |
2 |
4 |
1 |
4 |
4 |
5 |
7 |
4 |
3 |
5 |
7 |
2 |
4 |
5 |
3 |
2 |
3 |
1 |
2 |
2 |
2 |
2 |
3 |
1 |
1 |
1 |
3 |
1 |
< 1 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
7.8E+00 |
1.1E+02 |
3.3E+02 |
170 |
330 |
110 |
2.2E+02 |
7.9E+02 |
7.9E+02 |
1.7E+03 |
3.3E+03 |
1.3E+03 |
4.9E+03 |
4.9E+03 |
7.9E+03 |
3300 |
3300 |
7900 |
1100 |
1300 |
1300 |
49 |
79 |
79 |
330 |
330 |
130 |
3.3E+01 |
1.3E+02 |
2.3E+01 |
2.3E+01 |
1.7E+01 |
1.3E+01 |
4.5E+00 |
2.3E+01 |
2.2E+01 |
全窒素 (mg/l) |
|
|
|
0.78 |
0.89 |
0.88 |
|
|
|
1.0 |
1.0 |
1.0 |
|
|
|
0.9 |
0.88 |
0.9 |
|
|
|
0.82 |
0.87 |
0.84 |
|
|
|
1.0 |
1.0 |
1.0 |
|
|
|
1.2 |
1.1 |
1.1 |
全燐 (mg/l) |
|
|
|
0.011 |
0.015 |
0.017 |
|
|
|
0.049 |
0.049 |
0.031 |
|
|
|
0.023 |
0.032 |
0.033 |
|
|
|
0.012 |
0.016 |
0.017 |
|
|
|
0.021 |
0.019 |
0.017 |
|
|
|
0.015 |
0.013 |
0.015 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.018 |
|
|
< 0.005 |
|
|
< 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) |
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
< 0.02 |
|
|
砒素 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
フェノール類 (mg/l) |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
< 0.1 |
|
|
|
< 0.1 |
< 0.1 |
< 0.1 |
|
|
|
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
|
|
|
4 |
< 2 |
< 2 |
|
|
|
22 |
2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
5 |
5 |
4 |
|
|
|
4 |
4 |
3 |
|
|
|
3 |
< 2 |
< 2 |
透視度 |
|
|
|
|
|
|
> 100 |
90 |
80 |
60 |
58 |
71 |
> 100 |
> 100 |
87 |
|
|
|
|
|
|
|
|
|
|
|
|
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
クロロホルム (mg/l) |
|
|
|
|
|
|
< 0.006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.6 |
0.8 |
0.72 |
|
|
|
0.51 |
0.66 |
0.65 |
|
|
|
0.8 |
0.84 |
0.82 |
|
|
|
0.66 |
0.63 |
0.67 |
|
|
|
0.89 |
0.92 |
0.91 |
|
|
|
1.1 |
1.0 |
1.0 |
ホルムアルデヒド (mg/l) |
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|