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 |
2005.04.26 |
2005.04.26 |
2005.04.26 |
2005.05.18 |
2005.05.18 |
2005.05.18 |
2005.06.08 |
2005.06.08 |
2005.06.08 |
2005.07.26 |
2005.07.26 |
2005.07.26 |
2005.08.29 |
2005.08.29 |
2005.08.29 |
2005.09.14 |
2005.09.14 |
2005.09.14 |
2005.10.12 |
2005.10.12 |
2005.10.12 |
2005.11.21 |
2005.11.21 |
2005.11.21 |
2005.12.14 |
2005.12.14 |
2005.12.14 |
2006.01.11 |
2006.01.11 |
2006.01.11 |
2006.02.01 |
2006.02.01 |
2006.02.01 |
2006.03.01 |
2006.03.01 |
2006.03.01 |
採取時刻 |
0930 |
1000 |
1020 |
0900 |
0930 |
1000 |
0930 |
1000 |
1020 |
0930 |
0950 |
1010 |
0940 |
1000 |
1030 |
1020 |
1040 |
1055 |
0940 |
1005 |
1020 |
0900 |
0925 |
0955 |
1100 |
1130 |
1155 |
1030 |
1120 |
1150 |
0930 |
1000 |
1020 |
0920 |
0950 |
1020 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
気温 (℃) |
15 |
15 |
15 |
12.2 |
12.2 |
12.2 |
17.5 |
17.5 |
17.5 |
24.2 |
24.2 |
24.2 |
25.8 |
25.8 |
25.8 |
19.8 |
19.8 |
19.8 |
15.3 |
15.3 |
15.3 |
4.5 |
4.5 |
4.5 |
-4 |
-4 |
-4 |
0.8 |
0.8 |
0.8 |
-6.5 |
-6.5 |
-6.5 |
0.2 |
0.2 |
0.2 |
水温 (℃) |
10 |
8.9 |
8.1 |
12.4 |
11.4 |
10.9 |
18.6 |
15.4 |
15 |
21.8 |
21.1 |
17.8 |
22.3 |
20.1 |
19.9 |
20.4 |
19.7 |
18.9 |
16 |
15.3 |
14.6 |
6.6 |
6.8 |
6.5 |
3.3 |
3.5 |
3.5 |
0.9 |
2.3 |
2.4 |
0.8 |
1.6 |
2.4 |
1.9 |
3.6 |
3.8 |
流量 (m3/s) |
53.85 |
53.85 |
53.85 |
29.01 |
29.01 |
29.01 |
34.35 |
34.35 |
34.35 |
29.52 |
29.52 |
29.52 |
32.72 |
32.72 |
32.72 |
30.57 |
30.57 |
30.57 |
16.66 |
16.66 |
16.66 |
24.51 |
24.51 |
24.51 |
25.13 |
25.13 |
25.13 |
33.01 |
33.01 |
33.01 |
16.59 |
16.59 |
16.59 |
53.7 |
53.7 |
53.7 |
採取水深 (m) |
0.5 |
11.9 |
22.8 |
0.5 |
11.8 |
22.6 |
0.5 |
10.6 |
20.2 |
0.5 |
6.9 |
12.8 |
0.5 |
6.95 |
12.9 |
0.5 |
6.95 |
12.9 |
0.5 |
8.7 |
16.4 |
0.5 |
9.9 |
18.8 |
0.5 |
11.6 |
22.2 |
0.5 |
11.8 |
22.6 |
0.5 |
11.8 |
22.6 |
0.5 |
12.2 |
23.4 |
全水深 (m) |
23.8 |
23.8 |
23.8 |
23.6 |
23.6 |
23.6 |
21.2 |
21.2 |
21.2 |
13.8 |
13.8 |
13.8 |
13.9 |
13.9 |
13.9 |
13.9 |
13.9 |
13.9 |
17.4 |
17.4 |
17.4 |
19.8 |
19.8 |
19.8 |
23.2 |
23.2 |
23.2 |
23.6 |
23.6 |
23.6 |
23.6 |
23.6 |
23.6 |
24.4 |
24.4 |
24.4 |
透明度 (m) |
1.7 |
|
|
2.3 |
|
|
2.3 |
|
|
1.1 |
|
|
2.3 |
|
|
1.2 |
|
|
1.1 |
|
|
1.8 |
|
|
2 |
|
|
4.2 |
|
|
3.5 |
|
|
2.8 |
|
|
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶濁 |
茶色 |
茶色 |
茶濁 |
茶濁 |
茶濁 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
茶濁 |
茶濁 |
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 |
7.4 |
7.3 |
7.3 |
7 |
7 |
6.9 |
7.6 |
7.2 |
7.2 |
7.7 |
7.5 |
7.3 |
7.7 |
7.4 |
7.4 |
7.5 |
7.4 |
7.3 |
7.7 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.2 |
7.2 |
7.5 |
7.3 |
7.4 |
7.8 |
7.5 |
7.4 |
DO (mg/l) |
11 |
10 |
11 |
8.3 |
8 |
7.5 |
10 |
9.2 |
9 |
8.8 |
8 |
7.8 |
8.9 |
8.5 |
8.1 |
8.6 |
8.2 |
7.6 |
10 |
9.3 |
9.2 |
11 |
10 |
10 |
11 |
11 |
11 |
12 |
12 |
12 |
13 |
12 |
11 |
14 |
12 |
12 |
BOD (mg/l) |
0.6 |
0.5 |
0.5 |
0.9 |
0.6 |
0.5 |
1.3 |
0.7 |
1 |
0.9 |
1 |
1 |
1 |
0.7 |
0.8 |
1.2 |
1.2 |
1.2 |
1.3 |
1 |
0.5 |
0.8 |
0.8 |
0.8 |
0.6 |
0.6 |
0.6 |
0.5 |
0.5 |
0.5 |
0.6 |
0.5 |
0.6 |
1.8 |
1.7 |
1.2 |
COD (mg/l) |
1.8 |
1.4 |
1.3 |
1.9 |
1.7 |
1.5 |
2.8 |
1.9 |
2.1 |
2 |
2.2 |
1.8 |
2.4 |
1.8 |
2.2 |
2.2 |
2.1 |
2.3 |
3.3 |
2.5 |
1.8 |
1.7 |
1.6 |
1.5 |
1.3 |
1.2 |
1.3 |
1.2 |
1.2 |
1 |
1.8 |
1.5 |
1.6 |
3 |
2.8 |
2.7 |
SS (mg/l) |
2 |
2 |
2 |
1 |
2 |
3 |
1 |
3 |
3 |
3 |
6 |
4 |
2 |
6 |
15 |
4 |
6 |
7 |
3 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
3 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
2 |
2 |
4 |
3 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
4.9E+02 |
4.9E+02 |
4.9E+01 |
1.1E+03 |
2.4E+02 |
3.3E+01 |
4.9E+02 |
7.9E+02 |
4.9E+02 |
1.7E+03 |
7.9E+02 |
7.9E+02 |
1.1E+03 |
1.7E+03 |
4.9E+03 |
7.9E+03 |
1.3E+03 |
7.9E+02 |
1.3E+03 |
7.9E+02 |
2.2E+02 |
4.9E+02 |
4.9E+02 |
1.3E+02 |
3.3E+01 |
2.4E+02 |
< 1.8E+00 |
4.9E+01 |
1.7E+02 |
2.3E+01 |
3.3E+01 |
1.3E+02 |
< 1.8E+00 |
3.3E+02 |
1.1E+03 |
全窒素 (mg/l) |
|
|
|
0.88 |
1.11 |
1.22 |
|
|
|
0.99 |
1 |
0.99 |
|
|
|
0.98 |
0.87 |
1.05 |
|
|
|
1.06 |
1.04 |
1.05 |
|
|
|
0.99 |
1.02 |
1.08 |
|
|
|
1.07 |
1.46 |
1.55 |
全燐 (mg/l) |
|
|
|
0.009 |
0.017 |
0.015 |
|
|
|
0.021 |
0.025 |
0.017 |
|
|
|
0.026 |
0.028 |
0.028 |
|
|
|
0.012 |
0.012 |
0.011 |
|
|
|
0.018 |
0.014 |
0.018 |
|
|
|
0.032 |
0.022 |
0.033 |
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
3 |
2 |
< 2 |
|
|
|
7 |
2 |
< 2 |
|
|
|
6 |
2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
3 |
< 2 |
< 2 |
|
|
|
12 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
96 |
96 |
> 100 |
> 100 |
91 |
90 |
90 |
> 100 |
> 100 |
> 100 |
55 |
> 100 |
98 |
60 |
86 |
88 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
88 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
71 |
57 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.73 |
0.97 |
1.0 |
|
|
|
0.76 |
0.81 |
0.84 |
|
|
|
0.86 |
0.70 |
0.84 |
|
|
|
0.92 |
0.95 |
0.95 |
|
|
|
0.83 |
0.92 |
0.93 |
|
|
|
0.81 |
1.2 |
1.3 |