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 |
2009.04.20 |
2009.04.20 |
2009.04.20 |
2009.05.20 |
2009.05.20 |
2009.05.20 |
2009.06.17 |
2009.06.17 |
2009.06.17 |
2009.08.05 |
2009.08.05 |
2009.08.05 |
2009.08.19 |
2009.08.19 |
2009.08.19 |
2009.09.09 |
2009.09.09 |
2009.09.09 |
2009.10.14 |
2009.10.14 |
2009.10.14 |
2009.11.11 |
2009.11.11 |
2009.11.11 |
2009.12.09 |
2009.12.09 |
2009.12.09 |
2010.01.06 |
2010.01.06 |
2010.01.06 |
2010.02.03 |
2010.02.03 |
2010.02.03 |
2010.03.03 |
2010.03.03 |
2010.03.03 |
採取時刻 |
0950 |
1020 |
1040 |
0910 |
0940 |
1000 |
0940 |
1005 |
1030 |
0910 |
0930 |
0945 |
0900 |
0920 |
0936 |
0900 |
0920 |
0940 |
0940 |
1005 |
1020 |
1220 |
1300 |
1320 |
0850 |
0920 |
0940 |
0850 |
0920 |
0940 |
0850 |
0920 |
0935 |
0900 |
0932 |
0950 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
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 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
11 |
11 |
11 |
18.8 |
18.8 |
18.8 |
20.2 |
20.2 |
20.2 |
26 |
26 |
26 |
24.2 |
24.2 |
24.2 |
17 |
17 |
17 |
14.2 |
14.2 |
14.2 |
8 |
8 |
8 |
1.8 |
1.8 |
1.8 |
2 |
2 |
2 |
-6 |
-6 |
-6 |
3 |
3 |
3 |
水温 (℃) |
12.3 |
10.1 |
9.4 |
16 |
12.7 |
10.5 |
20.6 |
17 |
13 |
21.3 |
20.5 |
18.8 |
22.3 |
21.4 |
19.8 |
19.6 |
18.8 |
17.1 |
12.7 |
12.3 |
12 |
11.4 |
10.2 |
9.4 |
5.8 |
5.8 |
5.6 |
1.6 |
2.4 |
2.5 |
0.8 |
2.5 |
2.6 |
1.3 |
3.6 |
3.9 |
流量 (m3/s) |
51.79 |
51.79 |
51.79 |
34.2 |
34.2 |
34.2 |
25.68 |
25.68 |
25.68 |
42.42 |
42.42 |
42.42 |
34.42 |
34.42 |
34.42 |
25.29 |
25.29 |
25.29 |
28.75 |
28.75 |
28.75 |
32.56 |
32.56 |
32.56 |
37.84 |
37.84 |
37.84 |
33.72 |
33.72 |
33.72 |
30.04 |
30.04 |
30.04 |
34.21 |
34.21 |
34.21 |
採取水深 (m) |
0.5 |
11.2 |
21.4 |
0.5 |
12.05 |
23.1 |
0.5 |
9.5 |
18 |
0.5 |
6.8 |
12.6 |
0.5 |
6.8 |
12.6 |
0.5 |
6.8 |
12.6 |
0.5 |
8.15 |
15.3 |
0.5 |
10.15 |
19.3 |
0.5 |
11.7 |
22.4 |
0.5 |
12 |
23 |
0.5 |
12.05 |
23.1 |
0.5 |
12.05 |
23.1 |
全水深 (m) |
22.4 |
22.4 |
22.4 |
24.1 |
24.1 |
24.1 |
19 |
19 |
19 |
13.6 |
13.6 |
13.6 |
13.6 |
13.6 |
13.6 |
13.6 |
13.6 |
13.6 |
16.3 |
16.3 |
16.3 |
20.3 |
20.3 |
20.3 |
23.4 |
23.4 |
23.4 |
24 |
24 |
24 |
24.1 |
24.1 |
24.1 |
24.1 |
24.1 |
24.1 |
透明度 (m) |
2.5 |
|
|
2.3 |
|
|
2 |
|
|
1.5 |
|
|
1.4 |
|
|
1.4 |
|
|
1.7 |
|
|
3 |
|
|
2 |
|
|
3 |
|
|
3 |
|
|
3.1 |
|
|
外観 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
7.9 |
7.4 |
7.3 |
7.6 |
7.2 |
7.1 |
7.8 |
7.3 |
6.9 |
7.4 |
7.4 |
7.4 |
7.5 |
7.4 |
7.2 |
7.7 |
7.7 |
7.3 |
7.4 |
7.5 |
7.4 |
7.8 |
7.5 |
7.4 |
7.5 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.6 |
7.5 |
7.5 |
7.3 |
7.3 |
7.4 |
DO (mg/l) |
12 |
11 |
11 |
11 |
9.8 |
8.2 |
10 |
8.5 |
2.1 |
8.9 |
8.7 |
8.6 |
9.3 |
8.5 |
5.5 |
9.3 |
8.8 |
4.1 |
10 |
9.8 |
9.7 |
11 |
10 |
9.9 |
13 |
11 |
11 |
14 |
12 |
12 |
13 |
13 |
13 |
14 |
13 |
13 |
BOD (mg/l) |
0.8 |
0.7 |
0.6 |
0.6 |
0.8 |
0.5 |
0.9 |
0.7 |
1.1 |
0.7 |
0.8 |
0.8 |
0.9 |
0.8 |
1.0 |
0.8 |
1.0 |
1.1 |
1.0 |
0.6 |
0.8 |
1.0 |
0.9 |
0.9 |
0.8 |
0.8 |
0.8 |
0.6 |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
1.2 |
0.9 |
0.9 |
COD (mg/l) |
2.2 |
1.6 |
1.8 |
1.5 |
2.2 |
1.4 |
2.6 |
1.9 |
3.4 |
1.8 |
2.2 |
2.3 |
2.2 |
2.3 |
3.0 |
1.9 |
2.2 |
2.7 |
2.5 |
1.8 |
2.0 |
2.7 |
2.2 |
2.0 |
1.5 |
1.6 |
1.6 |
1.2 |
1.1 |
1.1 |
1.3 |
1.2 |
1.2 |
2.8 |
2.0 |
1.9 |
SS (mg/l) |
2 |
2 |
2 |
1 |
7 |
3 |
1 |
3 |
5 |
2 |
5 |
8 |
5 |
7 |
8 |
4 |
6 |
7 |
2 |
2 |
3 |
3 |
1 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
3 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
4.9E+01 |
1.1E+03 |
1.3E+03 |
1.3E+02 |
3.3E+02 |
1.3E+02 |
3.3E+01 |
4.9E+02 |
4.9E+02 |
1.3E+04 |
1.3E+04 |
4.9E+03 |
3.3E+03 |
1.7E+03 |
1.3E+03 |
1.3E+03 |
4.9E+03 |
1.3E+03 |
9.4E+02 |
1.1E+03 |
1.1E+03 |
7.9E+01 |
4.9E+02 |
4.9E+02 |
3.3E+02 |
7.9E+02 |
4.9E+02 |
2.2E+01 |
4.6E+01 |
3.3E+02 |
1.3E+01 |
1.7E+02 |
7.9E+02 |
2.3E+01 |
4.9E+02 |
1.7E+02 |
全窒素 (mg/l) |
|
|
|
0.89 |
0.98 |
1.1 |
|
|
|
1.1 |
1.0 |
1.1 |
|
|
|
0.85 |
0.80 |
1.0 |
|
|
|
0.92 |
0.77 |
0.86 |
|
|
|
0.95 |
0.92 |
1.0 |
|
|
|
1.0 |
1.1 |
1.1 |
全燐 (mg/l) |
|
|
|
0.011 |
0.039 |
0.024 |
|
|
|
0.018 |
0.023 |
0.025 |
|
|
|
0.029 |
0.037 |
0.050 |
|
|
|
0.024 |
0.012 |
0.019 |
|
|
|
0.008 |
0.009 |
0.01 |
|
|
|
0.039 |
0.029 |
0.034 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.007 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
< 0.005 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
0.004 |
0.001 |
0.002 |
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 |
|
|
|
|
|
0.006 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
フェノール類 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
0.2 |
|
|
|
< 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 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
3 |
2 |
< 2 |
|
|
|
15 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
14 |
2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
54 |
92 |
> 100 |
> 100 |
60 |
> 100 |
96 |
75 |
> 100 |
> 100 |
83 |
72 |
56 |
53 |
> 100 |
> 100 |
92 |
98 |
82 |
83 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
88 |
71 |
クロロホルム (mg/l) |
|
|
|
< 0.006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.67 |
0.72 |
0.84 |
|
|
|
0.92 |
0.88 |
0.92 |
|
|
|
0.68 |
0.66 |
0.70 |
|
|
|
0.58 |
0.61 |
0.65 |
|
|
|
0.53 |
0.62 |
0.68 |
|
|
|
0.75 |
0.88 |
0.67 |
ホルムアルデヒド (mg/l) |
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
0.0E+00 |
2.8E+01 |
1.3E+01 |
1.0E+00 |
2.3E+02 |
27 |
1.0E+00 |
4.7E+01 |
4.6E+01 |
5.8E+01 |
2.4E+02 |
1.7E+02 |
1.8E+02 |
4.7E+02 |
9.4E+01 |
3.5E+02 |
1.4E+03 |
1.8E+02 |
8.6E+01 |
1.4E+02 |
1.6E+02 |
3.0E+01 |
6.9E+01 |
1.3E+02 |
1.2E+02 |
1.0E+02 |
1.3E+02 |
4.0E+00 |
3.0E+01 |
8.8E+01 |
3.0E+00 |
1.0E+02 |
1.0E+02 |
2.0E+00 |
5.8E+01 |
1.1E+02 |