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 |
2000.04.26 |
2000.04.26 |
2000.04.26 |
2000.05.17 |
2000.05.17 |
2000.05.17 |
2000.06.14 |
2000.06.14 |
2000.06.14 |
2000.07.12 |
2000.07.12 |
2000.07.12 |
2000.08.09 |
2000.08.09 |
2000.08.09 |
2000.09.20 |
2000.09.20 |
2000.09.20 |
2000.10.11 |
2000.10.11 |
2000.10.11 |
2000.11.15 |
2000.11.15 |
2000.11.15 |
2000.12.13 |
2000.12.13 |
2000.12.13 |
2001.01.17 |
2001.01.17 |
2001.01.17 |
2001.02.14 |
2001.02.14 |
2001.02.14 |
2001.03.07 |
2001.03.07 |
2001.03.07 |
採取時刻 |
0900 |
0932 |
0950 |
0900 |
0916 |
0925 |
0850 |
0913 |
0925 |
0845 |
0918 |
0930 |
0902 |
0927 |
0939 |
0902 |
0925 |
0940 |
0855 |
0915 |
0929 |
0924 |
1000 |
1020 |
0905 |
0935 |
0950 |
0925 |
1010 |
1039 |
0910 |
0935 |
0950 |
0905 |
0932 |
0950 |
天候 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
気温 (℃) |
12.0 |
13.0 |
13.5 |
14.0 |
14.1 |
14.2 |
18.0 |
18.7 |
19.1 |
22.0 |
23.2 |
23.6 |
26.0 |
26.8 |
27.2 |
22.4 |
22.7 |
22.9 |
16.5 |
17.1 |
17.5 |
9.3 |
9.7 |
10.0 |
-1.5 |
-1.6 |
-1.6 |
-11.0 |
-9.2 |
-8.0 |
-5.7 |
-5.0 |
-4.9 |
0.0 |
0.0 |
0.0 |
水温 (℃) |
7.8 |
7.1 |
6.9 |
13.0 |
9.3 |
8.6 |
19.3 |
12.2 |
9.8 |
20.8 |
15.5 |
14.3 |
27.1 |
16.8 |
13.6 |
19.3 |
15.6 |
14.5 |
16.5 |
13.6 |
12.4 |
10.1 |
8.2 |
8.0 |
2.8 |
2.9 |
3.0 |
0.6 |
2.5 |
3.3 |
0.6 |
2.6 |
2.9 |
1.2 |
3.3 |
3.3 |
流量 (m3/s) |
109.62 |
109.62 |
109.62 |
66.91 |
66.91 |
66.91 |
18.39 |
18.39 |
18.39 |
34.24 |
34.24 |
34.24 |
10.71 |
10.71 |
10.71 |
23.16 |
23.16 |
23.16 |
11.16 |
11.16 |
11.16 |
13.94 |
13.94 |
13.94 |
25.68 |
25.68 |
25.68 |
14.18 |
14.18 |
14.18 |
10.42 |
10.42 |
10.42 |
22.17 |
22.17 |
22.17 |
採取水深 (m) |
0.5 |
11.8 |
22.5 |
0.5 |
12.9 |
24.9 |
0.5 |
11.0 |
21.0 |
0.5 |
10.3 |
19.5 |
0.5 |
10.0 |
19.0 |
0.5 |
9.7 |
18.3 |
0.5 |
9.4 |
17.8 |
0.5 |
12.8 |
24.6 |
0.5 |
12.9 |
24.8 |
0.5 |
8.4 |
15.9 |
0.5 |
8.2 |
15.3 |
0.5 |
8.3 |
15.5 |
全水深 (m) |
23.5 |
23.5 |
23.5 |
25.9 |
25.9 |
25.9 |
22.0 |
22.0 |
22.0 |
20.5 |
20.5 |
20.5 |
20.0 |
20.0 |
20.0 |
19.3 |
19.3 |
19.3 |
18.8 |
18.8 |
18.8 |
25.6 |
25.6 |
25.6 |
25.8 |
25.8 |
25.8 |
16.9 |
16.9 |
16.9 |
16.3 |
16.3 |
16.3 |
16.5 |
16.5 |
16.5 |
透明度 (m) |
0.70 |
|
|
1.20 |
|
|
2.80 |
|
|
1.20 |
|
|
3.00 |
|
|
1.60 |
|
|
2.50 |
|
|
3.50 |
|
|
2.00 |
|
|
2.40 |
|
|
4.30 |
|
|
3.60 |
|
|
外観 |
微白濁 |
微白濁 |
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 |
白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
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 |
6.9 |
6.9 |
6.7 |
7.2 |
7.2 |
7.1 |
7.1 |
6.8 |
6.7 |
7.5 |
7.2 |
7.1 |
7.2 |
6.8 |
6.7 |
7.4 |
7.0 |
6.8 |
7.6 |
7.1 |
7.1 |
7.3 |
7.3 |
7.3 |
7.1 |
7.1 |
7.0 |
7.0 |
7.2 |
7.2 |
6.8 |
7.0 |
7.0 |
7.1 |
7.2 |
7.2 |
DO (mg/l) |
11.4 |
11.4 |
11.5 |
11.7 |
11.2 |
11.0 |
9.5 |
8.7 |
8.7 |
9.1 |
8.7 |
8.5 |
7.9 |
6.4 |
5.6 |
9.2 |
8.2 |
6.8 |
9.9 |
8.4 |
8.7 |
10.4 |
10.3 |
10.4 |
12.6 |
12.6 |
12.4 |
13.5 |
13.3 |
11.4 |
13.1 |
12.0 |
10.5 |
12.7 |
11.2 |
10.9 |
BOD (mg/l) |
< 0.5 |
< 0.5 |
< 0.5 |
1.6 |
1.3 |
< 0.5 |
1.0 |
0.6 |
< 0.5 |
1.2 |
0.6 |
0.7 |
0.7 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
< 0.5 |
1.0 |
< 0.5 |
< 0.5 |
0.9 |
0.6 |
0.9 |
0.6 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
0.5 |
< 0.5 |
0.5 |
< 0.5 |
COD (mg/l) |
1.7 |
1.6 |
1.7 |
2.3 |
2.1 |
1.0 |
1.4 |
1.0 |
0.9 |
2.5 |
3.2 |
2.4 |
1.7 |
1.7 |
1.4 |
1.4 |
1.9 |
2.2 |
1.5 |
1.4 |
1.3 |
1.7 |
1.6 |
1.7 |
1.6 |
1.7 |
1.6 |
1.7 |
0.9 |
1.2 |
1.1 |
0.8 |
0.9 |
1.0 |
1.1 |
1.2 |
SS (mg/l) |
9 |
10 |
12 |
4 |
4 |
4 |
1 |
2 |
1 |
3 |
9 |
16 |
< 1 |
3 |
3 |
3 |
5 |
17 |
1 |
5 |
8 |
1 |
2 |
3 |
3 |
3 |
3 |
1 |
1 |
2 |
< 1 |
< 1 |
1 |
< 1 |
1 |
4 |
大腸菌群数 (MPN/100ml) |
1.3E+04 |
7.9E+03 |
4.9E+03 |
4.9E+02 |
1.1E+03 |
1.1E+03 |
7.9E+01 |
4.9E+02 |
3.3E+01 |
7.9E+02 |
1.3E+04 |
3.3E+03 |
1.7E+03 |
1.3E+03 |
4.9E+03 |
7.9E+02 |
3.3E+03 |
3.3E+03 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
1.3E+03 |
4.9E+03 |
7.9E+02 |
7.9E+02 |
1.3E+02 |
7.9E+02 |
2.4E+03 |
2.4E+02 |
4.9E+02 |
1.3E+03 |
4.9E+01 |
2.4E+03 |
1.7E+03 |
全窒素 (mg/l) |
0.50 |
0.50 |
0.51 |
0.46 |
0.46 |
0.39 |
0.37 |
0.37 |
0.30 |
0.51 |
0.49 |
0.53 |
0.38 |
0.46 |
0.49 |
0.49 |
0.54 |
0.64 |
0.57 |
0.43 |
0.43 |
0.33 |
0.33 |
0.33 |
0.46 |
0.46 |
0.43 |
0.46 |
0.42 |
0.48 |
0.48 |
0.51 |
0.51 |
0.44 |
0.43 |
0.46 |
全燐 (mg/l) |
0.014 |
0.015 |
0.016 |
0.019 |
0.020 |
0.013 |
0.005 |
0.007 |
0.004 |
0.012 |
0.017 |
0.023 |
0.011 |
0.007 |
0.007 |
0.006 |
0.011 |
0.008 |
0.009 |
0.011 |
0.011 |
0.010 |
0.011 |
0.012 |
0.008 |
0.008 |
0.007 |
0.011 |
0.004 |
0.007 |
0.004 |
0.003 |
0.005 |
0.003 |
0.004 |
0.005 |
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 |
8 |
5 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 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) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.40 |
0.40 |
0.40 |
0.27 |
0.30 |
0.31 |
0.22 |
0.20 |
0.19 |
0.32 |
0.31 |
0.34 |
0.25 |
0.34 |
0.36 |
0.37 |
0.44 |
0.43 |
0.26 |
0.30 |
0.31 |
0.28 |
0.28 |
0.26 |
0.43 |
0.40 |
0.40 |
0.35 |
0.37 |
0.43 |
0.33 |
0.33 |
0.35 |
0.30 |
0.30 |
0.34 |