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 |
2010.04.21 |
2010.04.21 |
2010.04.21 |
2010.05.19 |
2010.05.19 |
2010.05.19 |
2010.06.09 |
2010.06.09 |
2010.06.09 |
2010.08.06 |
2010.08.06 |
2010.08.06 |
2010.08.23 |
2010.08.23 |
2010.08.23 |
2010.09.28 |
2010.09.28 |
2010.09.28 |
2010.10.13 |
2010.10.13 |
2010.10.13 |
2010.11.17 |
2010.11.17 |
2010.11.17 |
2010.12.15 |
2010.12.15 |
2010.12.15 |
2011.01.05 |
2011.01.05 |
2011.01.05 |
2011.02.02 |
2011.02.02 |
2011.02.02 |
2011.03.02 |
2011.03.02 |
2011.03.02 |
採取時刻 |
0850 |
0920 |
0940 |
0900 |
0930 |
0945 |
0900 |
0930 |
0945 |
0920 |
0940 |
1000 |
0900 |
0920 |
0940 |
0850 |
0910 |
0925 |
0910 |
0940 |
0955 |
0900 |
0930 |
0950 |
0900 |
0930 |
0950 |
0850 |
0920 |
0940 |
0920 |
1000 |
1020 |
0850 |
0920 |
0950 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
10.8 |
10.8 |
10.8 |
18 |
18 |
18 |
21 |
21 |
21 |
30.6 |
30.6 |
30.6 |
27.2 |
27.2 |
27.2 |
17 |
17 |
17 |
17.8 |
17.8 |
17.8 |
2 |
2 |
2 |
-2 |
-2 |
-2 |
-1 |
-1 |
-1 |
-5.0 |
-5.0 |
-5.0 |
2.0 |
2.0 |
2.0 |
水温 (℃) |
7.7 |
6.8 |
6.5 |
17.2 |
11.4 |
10.1 |
20.7 |
15.4 |
11.8 |
22.8 |
21.6 |
19.3 |
22.3 |
21.1 |
20.6 |
14 |
13.7 |
13.4 |
17.4 |
15.9 |
15.5 |
8.8 |
8.6 |
8.3 |
5.6 |
5.4 |
5.1 |
0.8 |
2.8 |
2.9 |
0.6 |
2.2 |
2.4 |
1.6 |
3.8 |
3.9 |
流量 (m3/s) |
40.77 |
40.77 |
40.77 |
53.63 |
53.63 |
53.63 |
25.37 |
25.37 |
25.37 |
48.54 |
48.54 |
48.54 |
45.27 |
45.27 |
45.27 |
39.6 |
39.6 |
39.6 |
36.17 |
36.17 |
36.17 |
35.54 |
35.54 |
35.54 |
44.82 |
44.82 |
44.82 |
29.8 |
29.8 |
29.8 |
38.76 |
38.76 |
38.76 |
42.17 |
42.17 |
42.17 |
採取水深 (m) |
0.5 |
11.35 |
21.7 |
0.5 |
12.25 |
23.5 |
0.5 |
10.3 |
19.6 |
0.5 |
6.7 |
12.4 |
0.5 |
6.6 |
12.2 |
0.5 |
6.5 |
12 |
0.5 |
8.9 |
16.8 |
0.5 |
11.4 |
21.8 |
0.5 |
11.45 |
21.9 |
0.5 |
12.1 |
23.2 |
0.5 |
12 |
23 |
0.5 |
11.9 |
22.8 |
全水深 (m) |
22.7 |
22.7 |
22.7 |
24.5 |
24.5 |
24.5 |
20.6 |
20.6 |
20.6 |
13.4 |
13.4 |
13.4 |
13.2 |
13.2 |
13.2 |
13 |
13 |
13 |
17.8 |
17.8 |
17.8 |
22.8 |
22.8 |
22.8 |
22.9 |
22.9 |
22.9 |
24.2 |
24.2 |
24.2 |
24 |
24 |
24 |
23.8 |
23.8 |
23.8 |
透明度 (m) |
1.9 |
|
|
2.2 |
|
|
2.3 |
|
|
1.4 |
|
|
1.4 |
|
|
1.6 |
|
|
2.2 |
|
|
2.5 |
|
|
1.5 |
|
|
2.6 |
|
|
3 |
|
|
3 |
|
|
外観 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶濁 |
茶色 |
茶色 |
微茶濁 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
7.7 |
7.5 |
7.4 |
7.5 |
7.2 |
7.1 |
8.4 |
7.4 |
7.0 |
7.4 |
7.4 |
7.3 |
7.5 |
7.5 |
7.4 |
7.6 |
7.6 |
7.5 |
7.7 |
7.6 |
7.5 |
7.3 |
7.3 |
7.2 |
7.3 |
7.3 |
7.3 |
7.2 |
7.2 |
7.2 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
DO (mg/l) |
12 |
12 |
12 |
10 |
10 |
9.6 |
10 |
8.5 |
4.4 |
7.8 |
7.7 |
6.8 |
8.8 |
8.1 |
7.3 |
9.8 |
9.8 |
9.4 |
9.8 |
8.9 |
8.3 |
10 |
10 |
10 |
11 |
11 |
11 |
12 |
12 |
11 |
13 |
13 |
13 |
12 |
12 |
12 |
BOD (mg/l) |
1.5 |
1.0 |
1.0 |
1.5 |
0.8 |
0.6 |
1.5 |
0.8 |
0.9 |
0.9 |
0.9 |
1.0 |
0.7 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
1.1 |
0.6 |
0.5 |
0.8 |
0.8 |
0.6 |
0.6 |
0.6 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.5 |
0.5 |
0.8 |
0.7 |
0.6 |
COD (mg/l) |
1.0 |
1.1 |
1.3 |
1.5 |
1.1 |
1.1 |
2.1 |
1.2 |
1.3 |
2.2 |
2.6 |
2.6 |
1.8 |
2.1 |
2.8 |
1.4 |
1.6 |
1.8 |
2.0 |
2.1 |
2.1 |
2.3 |
2.3 |
2.2 |
2.2 |
2.0 |
1.7 |
1.3 |
1.3 |
1.3 |
1.5 |
1.6 |
1.5 |
2.2 |
2.2 |
2.3 |
SS (mg/l) |
2 |
1 |
2 |
1 |
2 |
3 |
1 |
2 |
2 |
3 |
10 |
16 |
4 |
8 |
14 |
2 |
4 |
7 |
1 |
2 |
3 |
2 |
2 |
2 |
2 |
2 |
2 |
1 |
1 |
1 |
< 1 |
1 |
1 |
3 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
3.3E+01 |
1.3E+02 |
1.3E+02 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
7.0E+01 |
7.9E+02 |
7.9E+01 |
4.9E+03 |
1.4E+04 |
3.3E+04 |
1.3E+05 |
1.1E+04 |
3.3E+04 |
1.1E+04 |
7.9E+03 |
4.9E+03 |
1.3E+03 |
7.9E+03 |
4.9E+03 |
3.3E+02 |
7.9E+02 |
1.3E+03 |
3.3E+02 |
4.9E+02 |
2.4E+02 |
1.1E+02 |
2.4E+02 |
2.4E+02 |
3.3E+01 |
4.9E+02 |
7.9E+02 |
1.1E+03 |
4.9E+02 |
7.9E+02 |
全窒素 (mg/l) |
|
|
|
0.77 |
1.0 |
1.0 |
|
|
|
1.1 |
1.2 |
1.2 |
|
|
|
1.1 |
1.1 |
1.1 |
|
|
|
1.0 |
1.0 |
1.0 |
|
|
|
1.2 |
1.3 |
1.2 |
|
|
|
1.3 |
1.2 |
1.2 |
全燐 (mg/l) |
|
|
|
0.011 |
0.019 |
0.020 |
|
|
|
0.025 |
0.034 |
0.052 |
|
|
|
0.028 |
0.028 |
0.032 |
|
|
|
0.019 |
0.018 |
0.021 |
|
|
|
0.014 |
0.017 |
0.017 |
|
|
|
0.034 |
0.035 |
0.035 |
全亜鉛 (mg/l) |
0.001 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
< 0.001 |
0.003 |
0.001 |
0.007 |
0.003 |
0.002 |
0.002 |
0.003 |
0.003 |
< 0.001 |
0.002 |
0.001 |
0.001 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
0.004 |
0.002 |
0.002 |
0.001 |
0.001 |
0.004 |
0.001 |
0.001 |
0.005 |
0.003 |
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 |
|
|
|
|
|
< 0.005 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
|
|
|
< 0.02 |
< 0.02 |
< 0.02 |
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 |
|
|
|
2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
透視度 |
92 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
> 100 |
> 100 |
72 |
79 |
46 |
28 |
68 |
62 |
39 |
> 100 |
> 100 |
82 |
> 100 |
> 100 |
87 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
92 |
97 |
99 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
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硝酸性窒素及び亜硝酸性窒素 (mg/l) |
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1.1 |
1.1 |
1.1 |
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1.0 |
1.0 |
1.0 |
ふん便性大腸菌群数 (個/100mL) |
7 |
29 |
41 |
3 |
110 |
130 |
0 |
200 |
47 |
220 |
1200 |
920 |
1200 |
1600 |
2100 |
2400 |
3300 |
2100 |
1100 |
2300 |
3200 |
140 |
210 |
450 |
53 |
68 |
64 |
39 |
190 |
170 |
8 |
180 |
300 |
280 |
360 |
230 |