測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50701 |
御所ダム貯水池 |
L‐17(ダムサイト) |
A |
測定結果
採取年月日 |
2003.04.23 |
2003.04.23 |
2003.04.23 |
2003.05.27 |
2003.05.27 |
2003.05.27 |
2003.06.18 |
2003.06.18 |
2003.06.18 |
2003.07.09 |
2003.07.09 |
2003.07.09 |
2003.08.20 |
2003.08.20 |
2003.08.20 |
2003.09.17 |
2003.09.17 |
2003.09.17 |
2003.10.08 |
2003.10.08 |
2003.10.08 |
2003.11.12 |
2003.11.12 |
2003.11.12 |
2003.12.10 |
2003.12.10 |
2003.12.10 |
2004.01.07 |
2004.01.07 |
2004.01.07 |
2004.02.04 |
2004.02.04 |
2004.02.04 |
2004.03.03 |
2004.03.03 |
2004.03.03 |
採取時刻 |
0900 |
0932 |
0950 |
0924 |
1003 |
1024 |
0920 |
0952 |
1010 |
0915 |
0948 |
1000 |
0910 |
0944 |
1005 |
0900 |
0927 |
0945 |
0900 |
0936 |
0950 |
0910 |
1010 |
1030 |
0920 |
0959 |
1020 |
0940 |
1026 |
1050 |
1000 |
1055 |
1130 |
0930 |
1020 |
1050 |
天候 |
雨 |
雨 |
雨 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
気温 (℃) |
8.2 |
8.1 |
8 |
18.5 |
19.2 |
19.6 |
24 |
25.9 |
27 |
19 |
19 |
19 |
21 |
21.7 |
22.2 |
26 |
26 |
26 |
15 |
15.7 |
16 |
8.1 |
9.6 |
10.1 |
4 |
4.3 |
4.4 |
-4.5 |
-3.2 |
-2.5 |
-2.2 |
-0.9 |
-0.1 |
-3.5 |
-2.6 |
-2 |
水温 (℃) |
8.8 |
7.1 |
6.8 |
17.5 |
10.2 |
8.2 |
21.8 |
11.8 |
8.7 |
17.5 |
14.7 |
13.3 |
20.1 |
16.9 |
14.3 |
19.1 |
16.1 |
14.3 |
14.2 |
12.9 |
11.3 |
10.6 |
10.3 |
9.5 |
5.1 |
5 |
4.9 |
2.5 |
3.1 |
3.1 |
0.6 |
2.7 |
2.9 |
1.9 |
3.1 |
3.1 |
流量 (m3/s) |
64.93 |
64.93 |
64.93 |
22.6 |
22.6 |
22.6 |
9.19 |
9.19 |
9.19 |
30.91 |
30.91 |
30.91 |
24.07 |
24.07 |
24.07 |
27.53 |
27.53 |
27.53 |
15.82 |
15.82 |
15.82 |
11.66 |
11.66 |
11.66 |
26.82 |
26.82 |
26.82 |
6.47 |
6.47 |
6.47 |
24.5 |
24.5 |
24.5 |
10.45 |
10.45 |
10.45 |
採取水深 (m) |
0.5 |
12.85 |
24.7 |
0.5 |
12.5 |
24 |
0.5 |
10.9 |
20.8 |
0.5 |
10.1 |
19.2 |
0.5 |
9.75 |
18.5 |
0.5 |
9.8 |
18.6 |
0.5 |
10.1 |
19.2 |
0.5 |
10.2 |
19.4 |
0.5 |
13 |
25 |
0.5 |
12.4 |
23.8 |
0.5 |
9.1 |
17.2 |
0.5 |
8.5 |
16 |
全水深 (m) |
25.7 |
25.7 |
25.7 |
25 |
25 |
25 |
21.8 |
21.8 |
21.8 |
20.2 |
20.2 |
20.2 |
19.5 |
19.5 |
19.5 |
19.6 |
19.6 |
19.6 |
20.2 |
20.2 |
20.2 |
20.4 |
20.4 |
20.4 |
26 |
26 |
26 |
24.8 |
24.8 |
24.8 |
18.2 |
18.2 |
18.2 |
17 |
17 |
17 |
透明度 (m) |
1.4 |
|
|
4.3 |
|
|
1.8 |
|
|
1.6 |
|
|
2.2 |
|
|
2.2 |
|
|
2 |
|
|
3 |
|
|
2.6 |
|
|
5.1 |
|
|
4.3 |
|
|
2 |
|
|
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 |
微白濁 |
微白濁 |
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 |
微白濁 |
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 |
6.9 |
6.9 |
7.3 |
6.7 |
6.8 |
7.9 |
6.8 |
6.7 |
7.2 |
6.9 |
6.9 |
7.4 |
7 |
6.8 |
7.3 |
7.1 |
7.1 |
7.6 |
7.4 |
7.4 |
7.1 |
7.1 |
7 |
7.1 |
7.1 |
7.1 |
7 |
7.1 |
7.2 |
7 |
7 |
6.9 |
6.9 |
7 |
7 |
DO (mg/l) |
11.3 |
11.5 |
11.4 |
10.4 |
9.8 |
9.6 |
9.7 |
7.4 |
7.5 |
9.9 |
9 |
8.8 |
9.5 |
7.7 |
4.3 |
9.8 |
8.7 |
9 |
9.9 |
9.2 |
9.7 |
10.1 |
10.2 |
9.9 |
11.7 |
11.7 |
11.6 |
12.6 |
10.9 |
12.4 |
11.7 |
12 |
9.8 |
12.5 |
11.6 |
11.4 |
BOD (mg/l) |
0.5 |
< 0.5 |
< 0.5 |
0.9 |
< 0.5 |
0.5 |
1.5 |
< 0.5 |
< 0.5 |
1.2 |
< 0.5 |
< 0.5 |
1.1 |
< 0.5 |
< 0.5 |
1.2 |
0.5 |
0.5 |
0.6 |
0.7 |
0.5 |
0.7 |
0.6 |
0.5 |
0.6 |
0.5 |
0.5 |
0.8 |
0.7 |
0.5 |
0.6 |
< 0.5 |
0.5 |
0.7 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.2 |
1.4 |
1.3 |
1.6 |
1.3 |
1 |
2.1 |
1.3 |
1.1 |
2.6 |
1.7 |
2.1 |
2 |
1.5 |
1.8 |
1.8 |
1.4 |
1.4 |
1.3 |
1.4 |
1.2 |
1.4 |
1.2 |
1.4 |
1.6 |
1.5 |
1.5 |
1.3 |
1.2 |
1.2 |
1.2 |
0.8 |
1.1 |
2.1 |
1.6 |
1.4 |
SS (mg/l) |
3 |
4 |
4 |
1 |
1 |
1 |
3 |
2 |
1 |
2 |
4 |
12 |
1 |
4 |
11 |
2 |
6 |
8 |
2 |
3 |
8 |
1 |
1 |
3 |
1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
3 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
3.3E+02 |
1.1E+03 |
1.1E+03 |
7.0E+01 |
2.2E+02 |
4.9E+01 |
1.1E+03 |
4.9E+02 |
1.1E+02 |
2.4E+02 |
1.7E+03 |
1.3E+03 |
3.3E+02 |
7.9E+02 |
4.9E+02 |
1.1E+02 |
3.3E+03 |
3.3E+03 |
7.9E+02 |
7.9E+02 |
1.7E+03 |
4.9E+01 |
2.3E+01 |
1.3E+02 |
1.1E+02 |
1.3E+03 |
1.7E+02 |
2.4E+02 |
2.4E+02 |
1.1E+03 |
3.3E+02 |
4.9E+02 |
3.3E+03 |
4.9E+01 |
2.2E+02 |
7.9E+02 |
全窒素 (mg/l) |
0.44 |
0.43 |
0.49 |
0.41 |
0.48 |
0.41 |
0.46 |
0.45 |
0.38 |
0.48 |
0.48 |
0.52 |
0.46 |
0.5 |
0.54 |
0.46 |
0.46 |
0.45 |
0.36 |
0.36 |
0.35 |
0.26 |
0.24 |
0.26 |
0.36 |
0.36 |
0.37 |
0.39 |
0.4 |
0.39 |
0.4 |
0.42 |
0.45 |
0.57 |
0.58 |
0.62 |
全燐 (mg/l) |
0.006 |
0.006 |
0.007 |
0.008 |
0.008 |
0.005 |
0.011 |
0.007 |
0.004 |
0.013 |
0.011 |
0.019 |
0.011 |
0.013 |
0.019 |
0.014 |
0.013 |
0.015 |
0.01 |
0.011 |
0.016 |
0.007 |
0.008 |
0.006 |
0.009 |
0.011 |
0.009 |
0.007 |
0.007 |
0.005 |
0.008 |
0.004 |
0.008 |
0.011 |
0.011 |
0.011 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
< 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 |
< 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 |
7 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
2 |
2 |
< 2 |
2 |
2 |
< 2 |
< 2 |
2 |
2 |
4 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
28 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.37 |
0.35 |
0.34 |
0.28 |
0.31 |
0.3 |
0.23 |
0.28 |
0.28 |
0.31 |
|
|
0.29 |
0.34 |
0.29 |
0.28 |
0.32 |
0.33 |
0.23 |
0.25 |
0.26 |
0.17 |
0.16 |
0.18 |
0.25 |
0.26 |
0.27 |
0.33 |
0.33 |
0.31 |
0.28 |
0.29 |
0.34 |
0.42 |
0.47 |
0.48 |