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 |
2002.04.24 |
2002.04.24 |
2002.04.24 |
2002.05.22 |
2002.05.22 |
2002.05.22 |
2002.06.12 |
2002.06.12 |
2002.06.12 |
2002.07.30 |
2002.07.30 |
2002.07.30 |
2002.08.30 |
2002.08.30 |
2002.08.30 |
2002.09.18 |
2002.09.18 |
2002.09.18 |
2002.10.09 |
2002.10.09 |
2002.10.09 |
2002.11.13 |
2002.11.13 |
2002.11.13 |
2002.12.11 |
2002.12.11 |
2002.12.11 |
2003.01.08 |
2003.01.08 |
2003.01.08 |
2003.02.05 |
2003.02.05 |
2003.02.05 |
2003.03.05 |
2003.03.05 |
2003.03.05 |
採取時刻 |
0930 |
1000 |
1020 |
0950 |
1020 |
1040 |
0940 |
1010 |
1020 |
0940 |
1000 |
1030 |
0940 |
1000 |
1020 |
0950 |
1010 |
1025 |
0920 |
0945 |
1000 |
0950 |
1020 |
1040 |
0930 |
1000 |
1020 |
1000 |
1030 |
1050 |
0940 |
1010 |
1030 |
1030 |
1100 |
1120 |
天候 |
曇り |
曇り |
曇り |
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 |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
13.0 |
13.0 |
13.0 |
16.1 |
16.1 |
16.1 |
20.0 |
20.0 |
20.0 |
26.0 |
26.0 |
26.0 |
29.4 |
29.4 |
29.4 |
21.8 |
21.8 |
21.8 |
16.8 |
16.8 |
16.8 |
2.6 |
2.6 |
2.6 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
-5.0 |
-5.0 |
-5.0 |
1.5 |
1.5 |
1.5 |
水温 (℃) |
12.0 |
10.9 |
9.5 |
16.3 |
12.8 |
12.4 |
20.7 |
18.7 |
13.3 |
24.2 |
22.4 |
19.9 |
21.4 |
19.8 |
18.8 |
18.0 |
15.9 |
15.8 |
16.0 |
15.5 |
15.3 |
6.8 |
6.6 |
6.4 |
4.4 |
4.3 |
4.5 |
1.0 |
1.9 |
2.2 |
0.7 |
2.2 |
2.5 |
1.2 |
3.1 |
3.3 |
流量 (m3/s) |
54.57 |
54.57 |
54.57 |
29.18 |
29.18 |
29.18 |
25.10 |
25.10 |
25.10 |
29.83 |
29.83 |
29.83 |
49.91 |
49.91 |
49.91 |
32.88 |
32.88 |
32.88 |
41.78 |
41.78 |
41.78 |
54.21 |
54.21 |
54.21 |
36.63 |
36.63 |
36.63 |
35.22 |
35.22 |
35.22 |
26.00 |
26.00 |
26.00 |
33.86 |
33.86 |
33.86 |
採取水深 (m) |
0.5 |
12.2 |
23.3 |
0.5 |
12.1 |
23.2 |
0.5 |
10.3 |
19.6 |
0.5 |
7.0 |
13.0 |
0.5 |
7.2 |
13.3 |
0.5 |
6.8 |
12.7 |
0.5 |
8.1 |
15.2 |
0.5 |
11.9 |
22.7 |
0.5 |
11.6 |
22.1 |
0.5 |
11.9 |
22.8 |
0.5 |
11.6 |
22.1 |
0.5 |
11.2 |
21.4 |
全水深 (m) |
24.3 |
24.3 |
24.3 |
24.2 |
24.2 |
24.2 |
20.6 |
20.6 |
20.6 |
14.0 |
14.0 |
14.0 |
14.3 |
14.3 |
14.3 |
13.7 |
13.7 |
13.7 |
16.2 |
16.2 |
16.2 |
23.7 |
23.7 |
23.7 |
23.1 |
23.1 |
23.1 |
23.8 |
23.8 |
23.8 |
23.1 |
23.1 |
23.1 |
22.4 |
22.4 |
22.4 |
透明度 (m) |
1.00 |
|
|
3.20 |
|
|
2.50 |
|
|
1.00 |
|
|
1.50 |
|
|
1.30 |
|
|
1.20 |
|
|
3.40 |
|
|
3.00 |
|
|
3.00 |
|
|
3.10 |
|
|
4.30 |
|
|
外観 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
微茶濁 |
微茶濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
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 |
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 |
7.3 |
7.1 |
7.1 |
7.3 |
7.2 |
7.2 |
7.6 |
7.2 |
7.0 |
7.6 |
7.5 |
7.4 |
7.2 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.5 |
7.5 |
7.5 |
7.3 |
7.3 |
7.2 |
7.3 |
7.3 |
7.3 |
7.5 |
7.3 |
7.3 |
7.4 |
7.4 |
7.4 |
7.6 |
7.4 |
7.4 |
DO (mg/l) |
11.3 |
10.6 |
10.6 |
10.3 |
9.5 |
9.3 |
8.9 |
7.4 |
6.0 |
9.8 |
8.7 |
7.2 |
7.3 |
8.9 |
8.7 |
9.5 |
9.2 |
9.2 |
9.2 |
9.2 |
9.1 |
11.0 |
10.8 |
11.0 |
13.1 |
11.6 |
11.4 |
13.8 |
13.0 |
12.5 |
13.9 |
12.6 |
12.3 |
13.9 |
12.3 |
12.1 |
BOD (mg/l) |
1.0 |
0.5 |
< 0.5 |
1.1 |
0.6 |
0.7 |
1.5 |
1.0 |
0.6 |
1.8 |
0.9 |
0.6 |
0.9 |
0.5 |
< 0.5 |
1.2 |
1.1 |
1.0 |
1.3 |
0.8 |
0.8 |
0.6 |
0.5 |
0.5 |
0.5 |
0.5 |
< 0.5 |
1.3 |
0.6 |
0.6 |
1.2 |
< 0.5 |
< 0.5 |
1.1 |
0.5 |
0.5 |
COD (mg/l) |
1.7 |
1.2 |
1.4 |
1.9 |
1.6 |
1.9 |
2.2 |
2.0 |
1.4 |
2.7 |
1.8 |
1.6 |
1.7 |
2.0 |
2.1 |
1.8 |
2.3 |
2.8 |
2.9 |
2.7 |
2.6 |
1.6 |
1.6 |
1.7 |
1.1 |
1.0 |
0.8 |
1.9 |
1.4 |
1.4 |
2.2 |
1.6 |
1.5 |
2.0 |
0.9 |
0.9 |
SS (mg/l) |
4 |
3 |
5 |
1 |
3 |
3 |
1 |
3 |
2 |
5 |
6 |
5 |
4 |
11 |
12 |
3 |
6 |
9 |
5 |
6 |
7 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
< 1 |
1 |
1 |
1 |
2 |
2 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
7.9E+02 |
1.7E+02 |
2.2E+01 |
3.3E+02 |
3.3E+02 |
1.1E+02 |
1.3E+03 |
1.3E+02 |
7.9E+02 |
1.3E+03 |
4.9E+02 |
4.9E+03 |
1.3E+04 |
7.9E+03 |
1.7E+03 |
2.4E+04 |
1.3E+04 |
1.3E+04 |
1.3E+04 |
1.3E+04 |
2.2E+02 |
7.9E+02 |
4.9E+02 |
4.9E+01 |
1.3E+02 |
2.4E+02 |
1.3E+02 |
3.3E+01 |
7.9E+01 |
3.3E+01 |
2.4E+02 |
3.3E+02 |
1.3E+01 |
7.9E+01 |
1.3E+02 |
全窒素 (mg/l) |
|
|
|
0.92 |
1.22 |
1.39 |
|
|
|
1.28 |
1.30 |
1.37 |
|
|
|
1.08 |
1.25 |
1.27 |
|
|
|
1.05 |
1.02 |
1.00 |
|
|
|
1.21 |
1.10 |
1.20 |
|
|
|
1.22 |
1.00 |
1.19 |
全燐 (mg/l) |
|
|
|
0.010 |
0.019 |
0.022 |
|
|
|
0.026 |
0.021 |
0.015 |
|
|
|
0.021 |
0.035 |
0.039 |
|
|
|
0.013 |
0.012 |
0.013 |
|
|
|
0.020 |
0.010 |
0.011 |
|
|
|
0.030 |
0.019 |
0.019 |
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 |
< 2 |
< 2 |
|
|
|
17 |
3 |
< 2 |
|
|
|
5 |
4 |
4 |
|
|
|
3 |
2 |
< 2 |
|
|
|
15 |
< 2 |
< 2 |
|
|
|
21 |
< 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) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.72 |
1.20 |
1.05 |
|
|
|
0.99 |
1.01 |
0.10 |
|
|
|
1.07 |
1.07 |
1.10 |
|
|
|
0.82 |
0.84 |
0.87 |
|
|
|
1.06 |
0.99 |
1.06 |
|
|
|
0.95 |
0.93 |
0.98 |