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 |
2007.04.25 |
2007.04.25 |
2007.04.25 |
2007.05.22 |
2007.05.22 |
2007.05.22 |
2007.06.13 |
2007.06.13 |
2007.06.13 |
2007.07.11 |
2007.07.11 |
2007.07.11 |
2007.08.28 |
2007.08.28 |
2007.08.28 |
2007.09.27 |
2007.09.27 |
2007.09.27 |
2007.10.16 |
2007.10.16 |
2007.10.16 |
2007.11.26 |
2007.11.26 |
2007.11.26 |
2007.12.12 |
2007.12.12 |
2007.12.12 |
2008.01.09 |
2008.01.09 |
2008.01.09 |
2008.02.06 |
2008.02.06 |
2008.02.06 |
2008.03.05 |
2008.03.05 |
2008.03.05 |
採取時刻 |
1000 |
1030 |
1045 |
0910 |
0940 |
1005 |
0940 |
1010 |
1025 |
1140 |
1200 |
1215 |
0920 |
0935 |
0945 |
0940 |
1000 |
1015 |
0940 |
1000 |
1030 |
0910 |
0940 |
1000 |
0930 |
0955 |
1010 |
0910 |
0940 |
1010 |
0900 |
0930 |
0950 |
0930 |
0955 |
1015 |
天候 |
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 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
13.7 |
13.7 |
13.7 |
20.3 |
20.3 |
20.3 |
27 |
27 |
27 |
21.5 |
21.5 |
21.5 |
20.8 |
20.8 |
20.8 |
19.6 |
19.6 |
19.6 |
13.9 |
13.9 |
13.9 |
6.8 |
6.8 |
6.8 |
4.9 |
4.9 |
4.9 |
-3.6 |
-3.6 |
-3.6 |
-2.8 |
-2.8 |
-2.8 |
0.3 |
0.3 |
0.3 |
水温 (℃) |
9.9 |
8.9 |
8 |
14.3 |
11.9 |
11.5 |
23.4 |
18.6 |
15.6 |
20.4 |
19.4 |
17.8 |
22.8 |
21.4 |
19.8 |
17.2 |
16.5 |
16.3 |
12.8 |
12.7 |
12.3 |
5.9 |
5.5 |
5.1 |
4.1 |
3.9 |
3.8 |
1.9 |
2.9 |
3.2 |
1.4 |
2.1 |
2.8 |
1.8 |
2.8 |
3.2 |
流量 (m3/s) |
89.93 |
89.93 |
89.93 |
43.9 |
43.9 |
43.9 |
24.1 |
24.1 |
24.1 |
33.29 |
33.29 |
33.29 |
27.23 |
27.23 |
27.23 |
40.63 |
40.63 |
40.63 |
23.13 |
23.13 |
23.13 |
30.98 |
30.98 |
30.98 |
29.85 |
29.85 |
29.85 |
31.33 |
31.33 |
31.33 |
16.46 |
16.46 |
16.46 |
17.82 |
17.82 |
17.82 |
採取水深 (m) |
0.5 |
12.2 |
23.4 |
0.5 |
12.25 |
23.5 |
0.5 |
10.1 |
19.2 |
0.5 |
6.7 |
12.7 |
0.5 |
6.75 |
12.5 |
0.5 |
6.85 |
12.7 |
0.5 |
6.9 |
12.8 |
0.5 |
11.65 |
22.3 |
0.5 |
11.9 |
22.8 |
0.5 |
12.15 |
23.3 |
0.5 |
12.15 |
23.3 |
0.5 |
12.25 |
23.5 |
全水深 (m) |
24.4 |
24.4 |
24.4 |
24.5 |
24.5 |
24.5 |
20.2 |
20.2 |
20.2 |
13.4 |
13.4 |
13.4 |
13.5 |
13.5 |
13.5 |
13.7 |
13.7 |
13.7 |
13.8 |
13.8 |
13.8 |
23.3 |
23.3 |
23.3 |
23.8 |
23.8 |
23.8 |
24.3 |
24.3 |
24.3 |
24.3 |
24.3 |
24.3 |
24.5 |
24.5 |
24.5 |
透明度 (m) |
1.8 |
|
|
2.4 |
|
|
2.4 |
|
|
0.8 |
|
|
0.9 |
|
|
1.1 |
|
|
1.3 |
|
|
3.2 |
|
|
3.4 |
|
|
2.8 |
|
|
5.4 |
|
|
4.6 |
|
|
外観 |
茶色 |
茶色 |
微茶濁 |
茶色 |
微茶濁 |
微茶濁 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶濁 |
茶濁 |
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 |
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 |
7.4 |
7.3 |
7.3 |
7.4 |
7.1 |
7.1 |
7.9 |
7.3 |
7 |
7.6 |
7.5 |
7.3 |
8.1 |
7.6 |
7.4 |
7.3 |
7.4 |
7.4 |
7.6 |
7.6 |
7.6 |
7.4 |
7.4 |
7.4 |
7.5 |
7.5 |
7.5 |
7.5 |
7.4 |
7.4 |
7.3 |
7.3 |
7.3 |
7.6 |
7.5 |
7.4 |
DO (mg/l) |
12 |
11 |
11 |
11 |
10 |
10 |
10 |
8.1 |
6.2 |
9.4 |
8.6 |
8.1 |
9.9 |
7.6 |
6.1 |
8.7 |
9.3 |
9.2 |
10 |
10 |
10 |
11 |
11 |
11 |
12 |
12 |
12 |
13 |
12 |
12 |
13 |
12 |
12 |
13 |
12 |
12 |
BOD (mg/l) |
0.9 |
0.7 |
1.0 |
0.8 |
0.8 |
0.8 |
1.2 |
1.2 |
0.8 |
0.9 |
0.9 |
1.1 |
1.7 |
1.5 |
1.1 |
0.6 |
0.7 |
1.0 |
0.8 |
0.6 |
0.5 |
1.0 |
0.6 |
0.5 |
0.7 |
0.5 |
0.7 |
0.9 |
0.8 |
0.8 |
0.7 |
0.6 |
0.8 |
0.9 |
0.6 |
0.6 |
COD (mg/l) |
2.0 |
1.9 |
2.2 |
2.1 |
2.2 |
2.3 |
2.3 |
2.3 |
1.8 |
2.5 |
2.6 |
3.0 |
3.3 |
2.9 |
2.6 |
1.5 |
1.6 |
2.1 |
1.7 |
1.5 |
1.3 |
2.1 |
1.5 |
1.5 |
1.6 |
1.3 |
1.5 |
1.9 |
1.6 |
1.6 |
1.4 |
1.4 |
1.5 |
2.4 |
1.3 |
1.3 |
SS (mg/l) |
2 |
4 |
5 |
1 |
4 |
6 |
1 |
4 |
3 |
6 |
10 |
14 |
5 |
9 |
6 |
4 |
7 |
11 |
4 |
4 |
4 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
< 1 |
1 |
1 |
2 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
49 |
170 |
110 |
110 |
330 |
790 |
4.5 |
490 |
490 |
330 |
490 |
790 |
790 |
7900 |
790 |
7900 |
4900 |
7900 |
790 |
490 |
490 |
330 |
490 |
790 |
23 |
33 |
49 |
22 |
79 |
49 |
4.5 |
49 |
33 |
11 |
49 |
240 |
全窒素 (mg/l) |
|
|
|
0.92 |
1.0 |
1.0 |
|
|
|
1.1 |
1.0 |
1.2 |
|
|
|
1.1 |
1.1 |
1.1 |
|
|
|
1.0 |
1.0 |
1.0 |
|
|
|
1.2 |
1.2 |
1.1 |
|
|
|
1.0 |
0.99 |
1.0 |
全燐 (mg/l) |
|
|
|
0.008 |
0.021 |
0.034 |
|
|
|
0.036 |
0.049 |
0.062 |
|
|
|
0.021 |
0.025 |
0.029 |
|
|
|
0.017 |
0.017 |
0.016 |
|
|
|
0.017 |
0.014 |
0.013 |
|
|
|
0.018 |
0.014 |
0.015 |
全亜鉛 (mg/l) |
0.005 |
|
|
0.005 |
|
|
0.006 |
|
|
0.10 |
|
|
0.009 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.005 |
|
|
0.008 |
|
|
0.005 |
|
|
< 0.005 |
|
|
0.006 |
|
|
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 |
|
|
|
< 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 |
< 0.1 |
|
|
|
< 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 |
|
|
|
11 |
2 |
< 2 |
|
|
|
< 2 |
< 2 |
< 2 |
|
|
|
4 |
2 |
2 |
|
|
|
6 |
2 |
2 |
|
|
|
17 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
52 |
> 100 |
82 |
59 |
> 100 |
> 100 |
> 100 |
55 |
41 |
31 |
65 |
46 |
66 |
98 |
80 |
55 |
95 |
93 |
85 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
クロロホルム (mg/l) |
|
|
|
|
|
|
< 0.006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ほう素 (mg/l) |
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< 0.1 |
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< 0.1 |
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硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.68 |
0.69 |
0.73 |
|
|
|
0.87 |
0.94 |
0.97 |
|
|
|
1.0 |
1.0 |
1.0 |
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|
|
0.90 |
0.98 |
0.94 |
|
|
|
1.0 |
1.0 |
0.95 |
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|
|
0.84 |
0.81 |
0.89 |
ホルムアルデヒド (mg/l) |
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< 0.003 |
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