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 |
1999.04.21 |
1999.04.21 |
1999.04.21 |
1999.05.19 |
1999.05.19 |
1999.05.19 |
1999.06.09 |
1999.06.09 |
1999.06.09 |
1999.07.21 |
1999.07.21 |
1999.07.21 |
1999.08.18 |
1999.08.18 |
1999.08.18 |
1999.09.08 |
1999.09.08 |
1999.09.08 |
1999.10.13 |
1999.10.13 |
1999.10.13 |
1999.11.17 |
1999.11.17 |
1999.11.17 |
1999.12.08 |
1999.12.08 |
1999.12.08 |
2000.01.12 |
2000.01.12 |
2000.01.12 |
2000.02.09 |
2000.02.09 |
2000.02.09 |
2000.03.08 |
2000.03.08 |
2000.03.08 |
採取時刻 |
0940 |
1010 |
1030 |
0910 |
0940 |
1010 |
0930 |
1000 |
1030 |
0950 |
1030 |
1100 |
1000 |
1040 |
1110 |
0920 |
1000 |
1030 |
0930 |
1000 |
1030 |
0930 |
1000 |
1030 |
0930 |
1010 |
1040 |
0940 |
1020 |
1050 |
0940 |
1010 |
1025 |
0930 |
1010 |
1025 |
天候 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
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 |
気温 (℃) |
11.0 |
11.0 |
11.0 |
16.0 |
16.0 |
16.0 |
19.5 |
19.5 |
19.5 |
23.0 |
23.0 |
23.0 |
30.0 |
30.0 |
30.0 |
22.7 |
22.7 |
22.7 |
16.8 |
16.8 |
16.8 |
3.8 |
3.8 |
3.8 |
4.0 |
4.0 |
4.0 |
-1.2 |
-1.2 |
-1.2 |
1.0 |
1.0 |
1.0 |
-1.9 |
-1.9 |
-1.9 |
水温 (℃) |
11.8 |
10.3 |
9.2 |
14.5 |
12.1 |
11.7 |
22.0 |
22.0 |
22.0 |
21.5 |
19.8 |
18.5 |
25.9 |
23.8 |
18.8 |
20.0 |
19.0 |
18.1 |
14.8 |
14.3 |
13.8 |
8.0 |
8.0 |
7.7 |
5.0 |
4.8 |
4.7 |
3.5 |
3.8 |
3.8 |
1.8 |
3.1 |
3.1 |
2.3 |
3.2 |
3.8 |
流量 (m3/s) |
80.47 |
80.47 |
80.47 |
43.56 |
43.56 |
43.56 |
51.15 |
51.15 |
51.15 |
38.24 |
38.24 |
38.24 |
17.22 |
17.22 |
17.22 |
33.18 |
33.18 |
33.18 |
38.88 |
38.88 |
38.88 |
29.87 |
29.87 |
29.87 |
41.42 |
41.42 |
41.42 |
45.18 |
45.18 |
45.18 |
36.50 |
36.50 |
36.50 |
41.29 |
41.29 |
41.29 |
採取水深 (m) |
0.5 |
12.3 |
23.6 |
0.5 |
11.6 |
22.1 |
0.5 |
11.1 |
21.1 |
0.5 |
7.2 |
13.3 |
0.5 |
7.2 |
13.4 |
0.5 |
7.1 |
13.2 |
0.5 |
7.7 |
14.3 |
0.5 |
11.8 |
22.6 |
0.5 |
12.1 |
23.2 |
0.5 |
11.4 |
21.8 |
0.5 |
12.0 |
23.0 |
0.5 |
11.7 |
22.3 |
全水深 (m) |
24.6 |
24.6 |
24.6 |
23.1 |
23.1 |
23.1 |
22.1 |
22.1 |
22.1 |
14.3 |
14.3 |
14.3 |
14.4 |
14.4 |
14.4 |
14.2 |
14.2 |
14.2 |
15.3 |
15.3 |
15.3 |
23.6 |
23.6 |
23.6 |
24.2 |
24.2 |
24.2 |
22.8 |
22.8 |
22.8 |
24.0 |
24.0 |
24.0 |
23.3 |
23.3 |
23.3 |
透明度 (m) |
1.60 |
|
|
2.90 |
|
|
2.20 |
|
|
1.90 |
|
|
1.60 |
|
|
1.60 |
|
|
2.30 |
|
|
3.20 |
|
|
3.40 |
|
|
2.30 |
|
|
4.50 |
|
|
3.90 |
|
|
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 |
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 |
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 |
7.4 |
7.3 |
7.3 |
7.3 |
7.0 |
7.0 |
7.9 |
7.3 |
7.0 |
7.4 |
7.4 |
7.2 |
8.4 |
7.7 |
7.0 |
7.7 |
7.4 |
7.3 |
7.6 |
7.5 |
7.3 |
7.4 |
7.4 |
7.3 |
7.4 |
7.4 |
7.3 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
7.4 |
7.3 |
7.3 |
7.2 |
DO (mg/l) |
11.6 |
11.8 |
11.8 |
10.8 |
10.4 |
10.2 |
10.2 |
9.2 |
8.3 |
8.8 |
9.2 |
8.7 |
9.7 |
7.7 |
3.8 |
9.8 |
8.5 |
8.1 |
10.1 |
10.3 |
9.8 |
11.0 |
10.9 |
10.3 |
11.8 |
11.6 |
11.6 |
12.7 |
12.1 |
12.3 |
13.6 |
12.8 |
12.6 |
12.8 |
12.3 |
12.2 |
BOD (mg/l) |
1.3 |
0.7 |
0.6 |
1.0 |
0.6 |
0.6 |
1.2 |
0.6 |
< 0.5 |
0.8 |
< 0.5 |
0.5 |
0.8 |
0.6 |
0.5 |
1.1 |
0.8 |
0.5 |
0.8 |
0.8 |
0.8 |
1.0 |
0.8 |
< 0.5 |
0.8 |
0.5 |
< 0.5 |
0.9 |
0.6 |
0.7 |
0.8 |
0.5 |
0.5 |
0.7 |
0.5 |
< 0.5 |
COD (mg/l) |
1.2 |
1.1 |
1.1 |
1.0 |
0.7 |
0.7 |
2.0 |
1.3 |
1.4 |
1.0 |
0.8 |
1.3 |
2.7 |
2.0 |
1.9 |
1.7 |
1.8 |
1.6 |
0.9 |
1.6 |
1.3 |
1.3 |
1.4 |
0.9 |
1.2 |
1.2 |
1.0 |
1.6 |
1.5 |
1.4 |
0.8 |
0.7 |
0.8 |
1.0 |
1.0 |
1.0 |
SS (mg/l) |
3 |
3 |
3 |
2 |
1 |
2 |
1 |
3 |
2 |
2 |
4 |
5 |
7 |
4 |
4 |
4 |
5 |
5 |
3 |
3 |
3 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
< 1 |
< 1 |
1 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
3.3E+01 |
1.1E+02 |
1.7E+02 |
2.3E+01 |
3.3E+02 |
3.3E+02 |
1.3E+01 |
7.9E+03 |
1.3E+03 |
4.9E+03 |
2.4E+04 |
1.4E+04 |
3.3E+02 |
2.4E+03 |
3.3E+02 |
4.9E+03 |
3.5E+04 |
1.3E+04 |
1.1E+03 |
4.9E+03 |
1.1E+03 |
1.1E+02 |
1.7E+02 |
4.9E+02 |
4.9E+01 |
3.3E+02 |
2.4E+02 |
1.7E+03 |
1.3E+03 |
1.3E+03 |
2.3E+01 |
2.3E+01 |
1.1E+02 |
4.5E+00 |
4.9E+01 |
7.9E+01 |
全窒素 (mg/l) |
|
|
|
1.08 |
1.18 |
1.36 |
|
|
|
1.23 |
1.25 |
1.25 |
|
|
|
1.27 |
1.27 |
1.25 |
|
|
|
1.04 |
1.03 |
1.07 |
|
|
|
1.52 |
1.24 |
1.24 |
|
|
|
1.05 |
1.03 |
1.09 |
全燐 (mg/l) |
|
|
|
0.007 |
0.009 |
0.011 |
|
|
|
0.019 |
0.018 |
0.022 |
|
|
|
0.018 |
0.021 |
0.020 |
|
|
|
0.011 |
0.011 |
0.012 |
|
|
|
0.016 |
0.015 |
0.016 |
|
|
|
0.012 |
0.013 |
0.014 |
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふっ素 (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 |
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 |
総リン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
3 |
< 2 |
< 2 |
|
|
|
3 |
< 2 |
< 2 |
|
|
|
7 |
< 2 |
< 2 |
|
|
|
4 |
4 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
ほう素 (mg/l) |
|
|
|
0.04 |
0.04 |
0.04 |
|
|
|
0.06 |
0.05 |
0.05 |
|
|
|
0.08 |
0.08 |
0.08 |
|
|
|
0.06 |
0.06 |
0.07 |
|
|
|
0.07 |
0.07 |
0.07 |
|
|
|
0.07 |
0.07 |
0.08 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.94 |
0.90 |
0.95 |
|
|
|
1.14 |
0.78 |
0.93 |
|
|
|
1.04 |
1.00 |
1.14 |
|
|
|
1.00 |
0.83 |
0.81 |
|
|
|
0.93 |
1.08 |
1.07 |
|
|
|
0.90 |
0.85 |
0.91 |