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 |
2003.04.23 |
2003.04.23 |
2003.04.23 |
2003.05.27 |
2003.05.27 |
2003.05.27 |
2003.06.18 |
2003.06.18 |
2003.06.18 |
2003.07.09 |
2003.07.09 |
2003.07.09 |
2003.08.20 |
2003.08.20 |
2003.08.20 |
2003.09.17 |
2003.09.17 |
2003.09.17 |
2003.10.08 |
2003.10.08 |
2003.10.08 |
2003.11.19 |
2003.11.19 |
2003.11.19 |
2003.12.10 |
2003.12.10 |
2003.12.10 |
2004.01.07 |
2004.01.07 |
2004.01.07 |
2004.02.04 |
2004.02.04 |
2004.02.04 |
2004.03.03 |
2004.03.03 |
2004.03.03 |
採取時刻 |
0930 |
1005 |
1020 |
0930 |
1000 |
1020 |
0930 |
0943 |
1000 |
0900 |
0920 |
0940 |
0920 |
0945 |
1010 |
0930 |
0950 |
1020 |
0930 |
0950 |
1005 |
0920 |
0950 |
1010 |
0940 |
1010 |
1030 |
1100 |
1130 |
1150 |
0930 |
1000 |
1015 |
0940 |
1020 |
1035 |
天候 |
曇り |
曇り |
曇り |
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 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
9.6 |
9.6 |
9.6 |
19 |
19 |
19 |
27.4 |
27.4 |
27.4 |
17 |
17 |
17 |
23 |
23 |
23 |
21 |
21 |
21 |
13.5 |
13.5 |
13.5 |
10.5 |
10.5 |
10.5 |
1.8 |
1.8 |
1.8 |
-1 |
-1 |
-1 |
-1.5 |
-1.5 |
-1.5 |
-3 |
-3 |
-3 |
水温 (℃) |
10.1 |
8.5 |
7.8 |
17.3 |
15 |
12.4 |
21.6 |
18.9 |
14.8 |
18.9 |
18.1 |
16.6 |
19.7 |
19 |
18.3 |
19 |
18.1 |
17.4 |
13.6 |
12.4 |
12.3 |
8.5 |
8.5 |
8.4 |
5.7 |
5.4 |
5.2 |
2.3 |
3.3 |
3.3 |
1 |
2 |
2.3 |
2.7 |
3.5 |
3.6 |
流量 (m3/s) |
61.37 |
61.37 |
61.37 |
31.15 |
31.15 |
31.15 |
17.36 |
17.36 |
17.36 |
22.11 |
22.11 |
22.11 |
23.21 |
23.21 |
23.21 |
41.21 |
41.21 |
41.21 |
22.54 |
22.54 |
22.54 |
34.16 |
34.16 |
34.16 |
34.69 |
34.69 |
34.69 |
34.94 |
34.94 |
34.94 |
25.58 |
25.58 |
25.58 |
44.01 |
44.01 |
44.01 |
採取水深 (m) |
0.5 |
12.1 |
23.2 |
0.5 |
11.2 |
22.4 |
0.5 |
8.05 |
16.1 |
0.5 |
6.7 |
12.4 |
0.5 |
6.7 |
12.4 |
0.5 |
6.75 |
12.3 |
0.5 |
7.8 |
14.6 |
0.5 |
11.2 |
21.4 |
0.5 |
11.65 |
22.3 |
0.5 |
11 |
21 |
0.5 |
11.7 |
22.4 |
0.5 |
11.5 |
22 |
全水深 (m) |
24.2 |
24.2 |
24.2 |
23.4 |
23.4 |
23.4 |
17.1 |
17.1 |
17.1 |
13.4 |
13.4 |
13.4 |
13.4 |
13.4 |
13.4 |
13.3 |
13.3 |
13.3 |
15.6 |
15.6 |
15.6 |
22.4 |
22.4 |
22.4 |
23.3 |
23.3 |
23.3 |
22 |
22 |
22 |
23.4 |
23.4 |
23.4 |
23 |
23 |
23 |
透明度 (m) |
1.3 |
|
|
3 |
|
|
2 |
|
|
0.9 |
|
|
1.7 |
|
|
1.4 |
|
|
1.6 |
|
|
3.2 |
|
|
2.6 |
|
|
3.2 |
|
|
3.6 |
|
|
1.6 |
|
|
外観 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
茶色 |
茶濁 |
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 |
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 |
pH |
6.8 |
6.9 |
7 |
7.8 |
7.1 |
6.8 |
7.3 |
7.1 |
6.8 |
7.5 |
7.4 |
7.1 |
7.6 |
7.6 |
7.4 |
7.5 |
7.4 |
7.4 |
7.8 |
7.7 |
7.7 |
7.6 |
7.5 |
7.5 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
7.5 |
7.4 |
7.3 |
7.3 |
7.5 |
7.3 |
7.3 |
DO (mg/l) |
10.9 |
11.1 |
11.3 |
10.6 |
9.2 |
8 |
7.8 |
6.6 |
3.8 |
8.6 |
8.5 |
6.4 |
9.1 |
8.8 |
7.9 |
9.1 |
9 |
8.9 |
10.4 |
10.4 |
10.4 |
11 |
10.9 |
10.4 |
11.2 |
11.4 |
11.4 |
11.1 |
10.5 |
10.7 |
13.4 |
12.5 |
12 |
12.2 |
12 |
12 |
BOD (mg/l) |
0.7 |
< 0.5 |
0.5 |
1.4 |
0.5 |
0.8 |
1.4 |
0.9 |
1.1 |
1.1 |
0.7 |
0.8 |
0.8 |
0.6 |
0.5 |
0.6 |
0.6 |
0.6 |
1.6 |
0.6 |
0.8 |
0.7 |
0.9 |
0.8 |
0.8 |
0.5 |
0.6 |
0.5 |
0.5 |
0.6 |
1 |
0.6 |
0.8 |
1 |
0.6 |
0.5 |
COD (mg/l) |
1.9 |
1.6 |
1.6 |
2 |
1.7 |
1.5 |
2.2 |
2.3 |
1.8 |
2.3 |
2.4 |
3.3 |
2.1 |
1.8 |
2 |
1.8 |
1.7 |
1.9 |
2.5 |
1.4 |
1.4 |
1.6 |
1.6 |
1.6 |
1.5 |
1.3 |
1.4 |
1.1 |
1.2 |
1.3 |
1.8 |
1.2 |
1.3 |
2.2 |
2 |
2.1 |
SS (mg/l) |
4 |
5 |
5 |
1 |
1 |
2 |
1 |
6 |
4 |
4 |
6 |
9 |
3 |
5 |
7 |
4 |
6 |
7 |
3 |
3 |
3 |
1 |
1 |
2 |
1 |
2 |
2 |
< 1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
1.3E+03 |
7.9E+02 |
7.0E+01 |
4.9E+02 |
1.3E+02 |
4.9E+01 |
4.9E+03 |
7.9E+02 |
4.9E+03 |
1.4E+04 |
1.3E+03 |
4.9E+03 |
2.2E+04 |
4.9E+03 |
4.9E+03 |
4.9E+03 |
4.9E+03 |
1.3E+03 |
2.4E+04 |
1.3E+04 |
2.4E+02 |
4.9E+02 |
4.9E+02 |
7.0E+02 |
1.7E+02 |
3.3E+02 |
1.3E+01 |
7.9E+01 |
7.0E+01 |
4.5E+00 |
7.9E+01 |
1.7E+02 |
1.3E+02 |
3.3E+02 |
7.9E+02 |
全窒素 (mg/l) |
|
|
|
1 |
1.1 |
1.1 |
|
|
|
1.1 |
1.1 |
1.3 |
|
|
|
0.96 |
0.9 |
0.95 |
|
|
|
0.87 |
0.85 |
0.91 |
|
|
|
1 |
1 |
1 |
|
|
|
1.4 |
1.5 |
1.5 |
全燐 (mg/l) |
|
|
|
0.011 |
0.011 |
0.011 |
|
|
|
0.035 |
0.039 |
0.054 |
|
|
|
0.022 |
0.025 |
0.025 |
|
|
|
0.011 |
0.014 |
0.012 |
|
|
|
0.012 |
0.014 |
0.015 |
|
|
|
0.033 |
0.023 |
0.023 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
3 |
< 2 |
< 2 |
|
|
|
6 |
< 2 |
< 2 |
|
|
|
2 |
< 2 |
< 2 |
|
|
|
3 |
3 |
3 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
7 |
< 2 |
< 2 |
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.84 |
0.96 |
0.94 |
|
|
|
1 |
|
|
|
|
|
0.77 |
0.78 |
0.75 |
|
|
|
0.61 |
0.69 |
0.61 |
|
|
|
0.76 |
0.78 |
0.82 |
|
|
|
1.2 |
1.4 |
1.4 |