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 |
1998.04.22 |
1998.04.22 |
1998.04.22 |
1998.05.13 |
1998.05.13 |
1998.05.13 |
1998.06.10 |
1998.06.10 |
1998.06.10 |
1998.07.15 |
1998.07.15 |
1998.07.15 |
1998.08.24 |
1998.08.24 |
1998.08.24 |
1998.09.21 |
1998.09.21 |
1998.09.21 |
1998.10.14 |
1998.10.14 |
1998.10.14 |
1998.11.11 |
1998.11.11 |
1998.11.11 |
1998.12.09 |
1998.12.09 |
1998.12.09 |
1999.01.06 |
1999.01.06 |
1999.01.06 |
1999.02.17 |
1999.02.17 |
1999.02.17 |
1999.03.10 |
1999.03.10 |
1999.03.10 |
採取時刻 |
0905 |
0935 |
0955 |
1100 |
1143 |
1207 |
0910 |
0928 |
0940 |
0900 |
0931 |
0945 |
0915 |
0959 |
1015 |
0955 |
1029 |
1050 |
0905 |
0923 |
0935 |
0911 |
0956 |
1020 |
0907 |
0946 |
1007 |
0910 |
0952 |
1015 |
0920 |
0950 |
1010 |
1000 |
1036 |
1100 |
天候 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
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 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
22.0 |
23.3 |
24.1 |
13.7 |
13.7 |
13.7 |
17.5 |
17.5 |
17.5 |
23.0 |
23.0 |
23.0 |
25.0 |
25.0 |
25.0 |
23.5 |
23.5 |
23.5 |
15.4 |
15.4 |
15.4 |
6.5 |
6.5 |
6.5 |
3.6 |
3.6 |
3.6 |
6.0 |
6.0 |
6.0 |
2.0 |
2.0 |
2.0 |
2.3 |
2.3 |
2.3 |
水温 (℃) |
11.6 |
8.3 |
7.2 |
12.5 |
12.4 |
8.0 |
16.1 |
10.9 |
9.0 |
17.1 |
14.6 |
13.8 |
21.3 |
15.3 |
14.8 |
19.9 |
16.1 |
14.9 |
14.3 |
12.7 |
11.8 |
9.6 |
9.4 |
9.0 |
4.8 |
4.8 |
4.8 |
2.8 |
2.8 |
3.1 |
1.3 |
3.1 |
3.3 |
2.9 |
3.3 |
3.5 |
採取水深 (m) |
0.5 |
13.4 |
25.8 |
0.5 |
13.0 |
25.0 |
0.5 |
11.7 |
22.3 |
0.5 |
10.0 |
19.0 |
0.5 |
10.3 |
19.6 |
0.5 |
9.7 |
18.4 |
0.5 |
9.8 |
18.5 |
0.5 |
11.8 |
22.5 |
0.5 |
12.8 |
24.5 |
0.5 |
12.5 |
24.0 |
0.5 |
8.5 |
16.0 |
0.5 |
8.4 |
15.8 |
全水深 (m) |
26.8 |
|
|
26.0 |
|
|
23.3 |
|
|
20.0 |
|
|
20.6 |
|
|
19.4 |
|
|
19.5 |
|
|
23.5 |
|
|
25.5 |
|
|
25.0 |
|
|
17.0 |
|
|
16.8 |
|
|
透明度 (m) |
1.40 |
|
|
2.90 |
|
|
2.70 |
|
|
1.60 |
|
|
1.60 |
|
|
0.70 |
|
|
1.40 |
|
|
2.10 |
|
|
2.80 |
|
|
4.10 |
|
|
2.80 |
|
|
1.60 |
|
|
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 |
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 |
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 |
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 |
7.1 |
7.0 |
7.0 |
7.3 |
7.1 |
7.0 |
7.2 |
6.9 |
6.8 |
7.6 |
7.2 |
7.3 |
8.5 |
7.2 |
7.2 |
8.2 |
7.1 |
7.1 |
7.2 |
7.2 |
7.3 |
7.3 |
7.4 |
7.3 |
7.4 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.4 |
7.2 |
7.3 |
7.1 |
7.0 |
7.1 |
DO (mg/l) |
10.7 |
10.9 |
11.3 |
10.5 |
9.8 |
9.7 |
10.4 |
8.9 |
7.7 |
9.8 |
8.8 |
8.4 |
10.3 |
8.7 |
9.1 |
10.3 |
8.8 |
8.3 |
10.6 |
9.9 |
10.2 |
11.3 |
10.9 |
11.7 |
12.1 |
12.2 |
12.4 |
12.8 |
13.3 |
12.9 |
13.9 |
12.2 |
11.3 |
12.7 |
12.4 |
11.9 |
BOD (mg/l) |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
1.8 |
0.6 |
< 0.5 |
0.9 |
< 0.5 |
< 0.5 |
1.8 |
< 0.5 |
< 0.5 |
2.7 |
0.5 |
0.6 |
1.7 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.7 |
0.7 |
0.9 |
< 0.5 |
< 0.5 |
1.0 |
< 0.5 |
< 0.5 |
0.8 |
0.5 |
< 0.5 |
COD (mg/l) |
1.5 |
1.6 |
1.5 |
1.9 |
1.7 |
1.3 |
1.4 |
1.8 |
1.4 |
1.2 |
1.1 |
1.5 |
1.9 |
1.8 |
1.6 |
3.8 |
2.3 |
1.9 |
2.3 |
1.6 |
1.2 |
0.7 |
0.9 |
0.9 |
0.7 |
0.7 |
0.6 |
0.7 |
0.6 |
0.6 |
1.3 |
1.3 |
0.8 |
1.8 |
1.7 |
1.5 |
SS (mg/l) |
3 |
4 |
5 |
2 |
3 |
4 |
1 |
3 |
2 |
3 |
5 |
19 |
2 |
5 |
4 |
11 |
17 |
19 |
3 |
5 |
10 |
2 |
3 |
3 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
< 1 |
< 1 |
2 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
3.3E+01 |
7.9E+01 |
1.1E+02 |
3.3E+02 |
1.7E+02 |
1.4E+02 |
1.3E+02 |
4.9E+02 |
4.9E+02 |
3.3E+02 |
1.3E+02 |
2.4E+03 |
4.9E+02 |
1.3E+03 |
1.1E+03 |
1.7E+03 |
1.3E+03 |
1.3E+03 |
7.9E+03 |
7.9E+03 |
7.9E+03 |
7.9E+02 |
3.3E+02 |
7.9E+02 |
7.9E+02 |
4.9E+00 |
4.9E+02 |
1.7E+02 |
1.3E+02 |
3.3E+01 |
3.3E+01 |
1.3E+03 |
4.9E+02 |
1.1E+03 |
7.0E+02 |
1.3E+03 |
全窒素 (mg/l) |
0.36 |
0.39 |
0.39 |
0.41 |
0.40 |
0.35 |
0.58 |
0.51 |
0.48 |
0.42 |
0.41 |
0.48 |
0.61 |
0.49 |
0.48 |
0.65 |
0.61 |
0.56 |
0.57 |
0.50 |
0.49 |
0.32 |
0.34 |
0.32 |
0.35 |
0.35 |
0.35 |
0.54 |
0.40 |
0.39 |
0.52 |
0.37 |
0.38 |
0.66 |
0.65 |
0.63 |
全燐 (mg/l) |
0.005 |
0.007 |
0.008 |
0.009 |
0.009 |
0.008 |
0.013 |
0.010 |
0.008 |
0.007 |
0.007 |
0.016 |
0.020 |
0.009 |
0.005 |
0.033 |
0.012 |
0.017 |
0.022 |
0.011 |
0.012 |
0.010 |
0.010 |
0.012 |
0.006 |
0.006 |
0.006 |
0.007 |
0.005 |
0.005 |
0.008 |
0.007 |
0.005 |
0.013 |
0.013 |
0.011 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
0.006 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
4.9E+00 |
< 2.0E+00 |
< 2.0E+00 |
7.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
3.1E+00 |
< 2.0E+00 |
< 2.0E+00 |
2.7E+00 |
< 2.0E+00 |
< 2.0E+00 |
1.3E+01 |
< 2.0E+00 |
< 2.0E+00 |
6.9E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
< 2.0E+00 |
3.0E+01 |
< 2.0E+00 |
< 2.0E+00 |
3.2E+00 |
< 2.0E+00 |
< 2.0E+00 |
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 |
29.0 |
28.0 |
> 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 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.22 |
0.24 |
0.22 |
0.22 |
0.22 |
0.20 |
0.29 |
0.31 |
0.36 |
0.27 |
0.29 |
0.29 |
0.23 |
0.29 |
0.33 |
0.24 |
0.31 |
0.32 |
0.28 |
0.34 |
0.35 |
0.22 |
0.27 |
0.21 |
0.28 |
0.23 |
0.26 |
0.31 |
0.32 |
0.31 |
0.26 |
0.25 |
0.24 |
0.47 |
0.48 |
0.48 |