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 |
1999.04.21 |
1999.04.21 |
1999.04.21 |
1999.05.19 |
1999.05.19 |
1999.05.19 |
1999.06.09 |
1999.06.09 |
1999.06.09 |
1999.07.21 |
1999.07.21 |
1999.07.21 |
1999.08.18 |
1999.08.18 |
1999.08.18 |
1999.09.08 |
1999.09.08 |
1999.09.08 |
1999.10.13 |
1999.10.13 |
1999.10.13 |
1999.11.17 |
1999.11.17 |
1999.11.17 |
1999.12.08 |
1999.12.08 |
1999.12.08 |
2000.01.12 |
2000.01.12 |
2000.01.12 |
2000.02.09 |
2000.02.09 |
2000.02.09 |
2000.03.08 |
2000.03.08 |
2000.03.08 |
採取時刻 |
0900 |
0932 |
0950 |
0915 |
0940 |
0955 |
0855 |
0913 |
0925 |
1000 |
1025 |
1035 |
0920 |
0956 |
1020 |
0931 |
1005 |
1026 |
0900 |
0918 |
0930 |
0940 |
1028 |
1055 |
1000 |
1030 |
1048 |
1000 |
1030 |
1045 |
0910 |
0935 |
0950 |
0925 |
0955 |
1010 |
天候 |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
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 |
雪 |
雪 |
気温 (℃) |
12.3 |
12.3 |
12.3 |
14.0 |
14.0 |
14.0 |
18.8 |
19.1 |
19.3 |
23.0 |
24.5 |
25.2 |
32.4 |
32.7 |
33.0 |
24.5 |
23.3 |
22.6 |
16.5 |
17.1 |
17.5 |
2.0 |
1.5 |
1.3 |
2.0 |
2.4 |
2.7 |
1.0 |
1.0 |
1.0 |
1.0 |
1.5 |
1.8 |
-2.0 |
-2.0 |
-2.0 |
水温 (℃) |
9.6 |
7.1 |
6.6 |
13.2 |
9.4 |
7.9 |
16.4 |
10.5 |
9.1 |
20.7 |
16.8 |
14.3 |
26.3 |
17.5 |
15.0 |
20.7 |
16.6 |
15.1 |
14.8 |
12.5 |
11.9 |
8.9 |
8.8 |
7.6 |
5.2 |
5.1 |
4.9 |
3.6 |
3.6 |
3.7 |
2.8 |
3.1 |
3.4 |
2.4 |
2.4 |
2.5 |
流量 (m3/s) |
74.03 |
74.03 |
74.03 |
32.20 |
32.20 |
32.20 |
36.34 |
36.34 |
36.34 |
26.70 |
26.70 |
26.70 |
11.92 |
11.92 |
11.92 |
24.03 |
24.03 |
24.03 |
23.14 |
23.14 |
23.14 |
8.21 |
8.21 |
8.21 |
29.58 |
29.58 |
29.58 |
32.13 |
32.13 |
32.13 |
9.68 |
9.68 |
9.68 |
6.86 |
6.86 |
6.86 |
採取水深 (m) |
0.5 |
12.7 |
24.4 |
0.5 |
12.6 |
24.2 |
0.5 |
10.8 |
20.5 |
0.5 |
10.1 |
19.2 |
0.5 |
9.3 |
17.7 |
0.5 |
9.7 |
18.4 |
0.5 |
10.7 |
20.4 |
0.5 |
11.0 |
21.0 |
0.5 |
11.6 |
22.1 |
0.5 |
11.9 |
22.9 |
0.5 |
12.3 |
23.5 |
0.5 |
12.3 |
23.5 |
全水深 (m) |
25.4 |
25.4 |
25.4 |
25.2 |
25.2 |
25.2 |
21.5 |
21.5 |
21.5 |
20.2 |
20.2 |
20.2 |
18.7 |
18.7 |
18.7 |
19.4 |
19.4 |
19.4 |
21.4 |
21.4 |
21.4 |
22.0 |
22.0 |
22.0 |
23.1 |
23.1 |
23.1 |
23.9 |
23.9 |
23.9 |
24.5 |
24.5 |
24.5 |
24.5 |
24.5 |
24.5 |
透明度 (m) |
2.40 |
|
|
2.00 |
|
|
1.80 |
|
|
1.30 |
|
|
2.40 |
|
|
1.90 |
|
|
2.60 |
|
|
2.20 |
|
|
2.60 |
|
|
2.80 |
|
|
5.90 |
|
|
4.40 |
|
|
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 |
茶色 |
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 |
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 |
7.2 |
7.3 |
7.1 |
7.3 |
7.1 |
7.0 |
7.2 |
7.1 |
6.8 |
7.5 |
7.0 |
6.9 |
8.0 |
6.8 |
6.7 |
7.6 |
6.9 |
6.9 |
7.6 |
7.0 |
7.1 |
7.3 |
7.1 |
7.0 |
7.2 |
7.2 |
7.2 |
7.0 |
7.0 |
7.0 |
7.3 |
7.2 |
7.1 |
7.0 |
6.9 |
6.9 |
DO (mg/l) |
11.8 |
11.9 |
11.5 |
11.0 |
10.4 |
10.1 |
9.4 |
9.4 |
8.9 |
9.5 |
8.1 |
7.1 |
8.5 |
5.3 |
4.0 |
9.4 |
7.8 |
8.2 |
10.6 |
9.2 |
9.4 |
10.5 |
10.5 |
10.5 |
12.0 |
11.7 |
12.1 |
12.4 |
12.4 |
12.6 |
12.9 |
12.6 |
12.5 |
13.0 |
13.1 |
13.0 |
BOD (mg/l) |
0.8 |
0.5 |
0.5 |
1.5 |
0.5 |
0.5 |
1.1 |
0.8 |
0.5 |
1.6 |
0.5 |
0.5 |
1.0 |
0.5 |
0.5 |
1.2 |
0.7 |
0.5 |
1.2 |
0.5 |
0.5 |
0.8 |
0.9 |
0.6 |
0.6 |
0.7 |
0.6 |
< 0.5 |
0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.5 |
0.6 |
0.6 |
COD (mg/l) |
1.2 |
0.9 |
1.1 |
1.3 |
0.7 |
0.6 |
1.4 |
1.4 |
1.2 |
2.1 |
1.7 |
1.9 |
1.9 |
1.7 |
1.8 |
2.1 |
1.7 |
1.9 |
2.1 |
1.5 |
1.2 |
1.4 |
1.5 |
1.6 |
1.3 |
1.2 |
1.3 |
1.3 |
1.2 |
1.3 |
0.9 |
0.8 |
0.8 |
1.1 |
1.1 |
0.9 |
SS (mg/l) |
1 |
2 |
2 |
2 |
3 |
3 |
1 |
2 |
2 |
3 |
9 |
22 |
1 |
3 |
4 |
1 |
4 |
14 |
2 |
2 |
4 |
2 |
2 |
4 |
1 |
1 |
1 |
2 |
2 |
2 |
1 |
1 |
2 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
7.0E+01 |
7.9E+02 |
4.9E+02 |
3.3E+01 |
3.3E+02 |
7.9E+01 |
1.1E+02 |
2.3E+02 |
7.9E+02 |
3.3E+03 |
7.9E+03 |
2.3E+03 |
5.4E+04 |
4.9E+03 |
7.0E+03 |
2.4E+04 |
4.9E+03 |
7.0E+03 |
4.9E+02 |
7.9E+02 |
1.1E+03 |
4.9E+02 |
2.4E+02 |
3.3E+02 |
1.7E+03 |
4.9E+02 |
3.3E+02 |
1.7E+03 |
2.4E+03 |
1.3E+03 |
2.4E+02 |
4.9E+02 |
7.9E+02 |
1.3E+02 |
7.9E+01 |
1.3E+02 |
全窒素 (mg/l) |
0.42 |
0.45 |
0.47 |
0.47 |
0.42 |
0.41 |
0.43 |
0.37 |
0.37 |
0.55 |
0.51 |
0.56 |
0.36 |
0.43 |
0.54 |
0.50 |
0.45 |
0.53 |
0.39 |
0.36 |
0.38 |
0.31 |
0.33 |
0.31 |
0.31 |
0.35 |
0.31 |
0.47 |
0.64 |
0.47 |
0.46 |
0.43 |
0.42 |
0.45 |
0.45 |
0.43 |
全燐 (mg/l) |
0.004 |
0.004 |
0.006 |
0.010 |
0.009 |
0.009 |
0.008 |
0.009 |
0.007 |
0.017 |
0.016 |
0.023 |
0.009 |
0.009 |
0.010 |
0.010 |
0.007 |
0.018 |
0.012 |
0.006 |
0.011 |
0.008 |
0.009 |
0.009 |
0.006 |
0.006 |
0.006 |
0.008 |
0.007 |
0.007 |
< 0.003 |
0.005 |
0.005 |
0.004 |
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふっ素 (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 |
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 |
クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
5 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
3 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 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 |
18.0 |
> 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 |
< 0.02 |
|
|
|
0.03 |
0.02 |
0.02 |
|
|
|
0.03 |
0.03 |
0.03 |
|
|
|
0.03 |
0.03 |
0.02 |
|
|
|
0.03 |
0.03 |
0.03 |
|
|
|
0.07 |
0.07 |
0.07 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.36 |
0.32 |
0.41 |
0.22 |
0.26 |
0.23 |
0.27 |
< 0.29 |
0.27 |
0.28 |
0.30 |
0.28 |
0.17 |
0.32 |
0.34 |
0.26 |
0.33 |
0.34 |
0.17 |
0.23 |
0.19 |
0.28 |
0.23 |
0.22 |
0.21 |
0.24 |
0.23 |
0.37 |
0.37 |
0.36 |
0.41 |
0.40 |
0.36 |
0.31 |
0.32 |
0.31 |