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 |
2004.04.26 |
2004.04.26 |
2004.04.26 |
2004.05.26 |
2004.05.26 |
2004.05.26 |
2004.06.16 |
2004.06.16 |
2004.06.16 |
2004.07.29 |
2004.07.29 |
2004.07.29 |
2004.08.30 |
2004.08.30 |
2004.08.30 |
2004.09.09 |
2004.09.09 |
2004.09.09 |
2004.10.13 |
2004.10.13 |
2004.10.13 |
2004.11.17 |
2004.11.17 |
2004.11.17 |
2004.12.15 |
2004.12.15 |
2004.12.15 |
2005.01.06 |
2005.01.06 |
2005.01.06 |
2005.02.02 |
2005.02.02 |
2005.02.02 |
2005.03.02 |
2005.03.02 |
2005.03.02 |
採取時刻 |
1110 |
1030 |
1100 |
1030 |
1050 |
1000 |
1020 |
0955 |
0930 |
0940 |
1030 |
1000 |
1030 |
1000 |
0940 |
1040 |
1010 |
0940 |
1000 |
1050 |
1035 |
1000 |
1045 |
1110 |
1000 |
0940 |
0910 |
0945 |
1050 |
1020 |
1020 |
1000 |
0920 |
1100 |
1040 |
1000 |
天候 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
9.7 |
9.7 |
9.7 |
20.5 |
20.5 |
20.5 |
21.8 |
21.8 |
21.8 |
28 |
28 |
28 |
24 |
24 |
24 |
25.2 |
25.2 |
25.2 |
15.3 |
15.3 |
15.3 |
9.5 |
9.5 |
9.5 |
2.5 |
2.5 |
2.5 |
-0.6 |
-0.6 |
-0.6 |
-1 |
-1 |
-1 |
-2 |
-2 |
-2 |
水温 (℃) |
8.2 |
9.7 |
8.6 |
14 |
12.1 |
16.8 |
13.4 |
18.2 |
21.5 |
24.9 |
19.7 |
22.9 |
18.6 |
19 |
19.8 |
19.1 |
20.2 |
20.7 |
14.8 |
13.9 |
14.2 |
10.6 |
10.3 |
9.3 |
5.8 |
5.8 |
5.8 |
2.6 |
2.8 |
2.7 |
2.8 |
2.4 |
1.3 |
2.6 |
2.1 |
0.8 |
流量 (m3/s) |
50.15 |
50.15 |
50.15 |
34.31 |
34.31 |
34.31 |
28.36 |
28.36 |
28.36 |
32.6 |
32.6 |
32.6 |
28.58 |
28.58 |
28.58 |
34.07 |
34.07 |
34.07 |
71.33 |
71.33 |
71.33 |
33.02 |
33.02 |
33.02 |
45.7 |
45.7 |
45.7 |
29.52 |
29.52 |
29.52 |
25.35 |
25.35 |
25.35 |
32.96 |
32.96 |
32.96 |
採取水深 (m) |
19.1 |
0.5 |
10.05 |
11.75 |
22.5 |
0.5 |
17.6 |
9.3 |
0.5 |
0.5 |
12.4 |
6.7 |
12.4 |
6.7 |
0.5 |
12.7 |
6.85 |
0.5 |
0.5 |
20.4 |
10.7 |
0.5 |
10.1 |
19.2 |
23.1 |
12.05 |
0.5 |
0.5 |
22.9 |
11.95 |
23.6 |
12.3 |
0.5 |
22.9 |
11.95 |
0.5 |
全水深 (m) |
20.1 |
20.1 |
20.1 |
23.5 |
23.5 |
23.5 |
18.6 |
18.6 |
18.6 |
13.4 |
13.4 |
13.4 |
13.4 |
13.4 |
13.4 |
13.7 |
13.7 |
13.7 |
21.4 |
21.4 |
21.4 |
20.2 |
20.2 |
20.2 |
24.1 |
24.1 |
24.1 |
23.9 |
23.9 |
23.9 |
24.6 |
24.6 |
24.6 |
23.9 |
23.9 |
23.9 |
透明度 (m) |
1.5 |
1.5 |
1.5 |
3.3 |
3.3 |
3.3 |
4.8 |
4.8 |
4.8 |
1 |
1 |
1 |
0.9 |
0.9 |
0.9 |
0.3 |
0.3 |
0.3 |
1 |
1 |
1 |
3 |
3 |
3 |
1.3 |
1.3 |
1.3 |
4 |
4 |
4 |
2.5 |
2.5 |
2.5 |
1.5 |
1.5 |
1.5 |
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 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶濁 |
茶濁 |
茶濁 |
茶色 |
茶色 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
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 |
流況 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
pH |
7.2 |
7.2 |
7.2 |
7.1 |
7.1 |
7.3 |
6.9 |
7.2 |
7.7 |
7.5 |
7.3 |
7.4 |
7.5 |
7.5 |
7.8 |
7.3 |
7.2 |
7.3 |
7.2 |
7.2 |
7.2 |
7.4 |
7.3 |
7.2 |
7.3 |
7.3 |
7.3 |
7.4 |
7.3 |
7.4 |
7.3 |
7.4 |
8.2 |
7.2 |
7.3 |
7.7 |
DO (mg/l) |
11 |
11 |
11 |
9.8 |
9.4 |
10 |
6.3 |
7.9 |
9.4 |
9.4 |
7.4 |
7.8 |
8.4 |
8.4 |
9.5 |
8.1 |
8 |
8.4 |
9.6 |
9.3 |
9.5 |
10 |
10 |
10 |
11 |
11 |
11 |
13 |
10 |
12 |
9.3 |
10 |
12 |
7.9 |
8.5 |
10 |
BOD (mg/l) |
0.6 |
0.7 |
0.7 |
0.8 |
0.6 |
0.7 |
0.5 |
0.7 |
1 |
0.7 |
0.6 |
0.5 |
0.7 |
0.8 |
1.1 |
1.5 |
1.3 |
1.5 |
0.7 |
0.8 |
0.8 |
0.8 |
0.8 |
0.7 |
0.7 |
0.7 |
0.7 |
0.8 |
< 0.5 |
< 0.5 |
0.6 |
0.6 |
1.5 |
0.6 |
0.6 |
3.5 |
COD (mg/l) |
1.5 |
1.5 |
1.6 |
1.5 |
2.1 |
1.9 |
1.5 |
1.8 |
2 |
2.5 |
1.9 |
2 |
1.5 |
1.7 |
2.2 |
4.9 |
4.8 |
4.2 |
1.8 |
1.9 |
1.6 |
1.8 |
1.7 |
1.7 |
1.6 |
1.7 |
1.8 |
1 |
0.5 |
0.9 |
1.2 |
1.1 |
3.7 |
1.2 |
1.1 |
5.7 |
SS (mg/l) |
3 |
2 |
2 |
2 |
4 |
1 |
2 |
3 |
1 |
4 |
5 |
6 |
7 |
6 |
6 |
26 |
26 |
19 |
2 |
5 |
3 |
2 |
2 |
6 |
3 |
2 |
3 |
1 |
1 |
1 |
1 |
< 1 |
3 |
1 |
1 |
5 |
大腸菌群数 (MPN/100ml) |
4.9E+03 |
1.7E+03 |
1.7E+03 |
7.9E+02 |
1.1E+03 |
2.3E+01 |
7.9E+02 |
7.9E+02 |
3.3E+01 |
1.7E+03 |
1.7E+03 |
2.8E+03 |
4.9E+03 |
7.9E+03 |
7.9E+03 |
1.3E+04 |
1.7E+04 |
1.7E+04 |
3.3E+03 |
3.3E+03 |
1.1E+03 |
1.7E+03 |
1.3E+03 |
1.1E+03 |
1.7E+02 |
2.4E+02 |
2.4E+02 |
7.8E+00 |
7.9E+01 |
1.1E+01 |
3.3E+01 |
2.3E+01 |
7.8E+00 |
2.3E+01 |
1.3E+01 |
1.3E+01 |
全窒素 (mg/l) |
|
|
|
1 |
1 |
0.98 |
|
|
|
1.1 |
1.1 |
1 |
|
|
|
1 |
0.97 |
1 |
|
|
|
1.1 |
1 |
1.1 |
|
|
|
1.1 |
1.1 |
1.1 |
|
|
|
1 |
0.98 |
1.5 |
全燐 (mg/l) |
|
|
|
0.018 |
0.027 |
0.014 |
|
|
|
0.031 |
0.027 |
0.032 |
|
|
|
0.066 |
0.069 |
0.06 |
|
|
|
0.012 |
0.012 |
0.015 |
|
|
|
0.008 |
0.008 |
0.01 |
|
|
|
0.014 |
0.014 |
0.066 |
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) |
|
|
|
|
|
< 0.002 |
|
|
|
< 0.002 |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
< 0.002 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
2 |
< 1 |
4 |
|
|
|
13.4 |
< 1 |
< 1 |
|
|
|
< 1 |
< 1 |
3.4 |
|
|
|
4 |
< 1 |
< 1 |
|
|
|
2.4 |
< 1 |
< 1 |
|
|
|
< 1 |
< 1 |
80.4 |
透視度 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 100 |
> 100 |
> 100 |
75 |
87 |
80 |
94 |
96 |
57 |
22 |
22 |
26 |
79 |
46 |
64 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
82 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
92 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.94 |
0.95 |
0.84 |
|
|
|
0.82 |
0.87 |
0.89 |
|
|
|
0.71 |
0.77 |
0.76 |
|
|
|
0.98 |
0.96 |
1.0 |
|
|
|
0.98 |
0.99 |
1.0 |
|
|
|
0.83 |
0.81 |
0.79 |