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 |
1997.04.30 |
1997.04.30 |
1997.04.30 |
1997.05.28 |
1997.05.28 |
1997.05.28 |
1997.06.11 |
1997.06.11 |
1997.06.11 |
1997.07.15 |
1997.07.15 |
1997.07.15 |
1997.08.06 |
1997.08.06 |
1997.08.06 |
1997.09.10 |
1997.09.10 |
1997.09.10 |
1997.10.15 |
1997.10.15 |
1997.10.15 |
1997.11.12 |
1997.11.12 |
1997.11.12 |
1997.12.10 |
1997.12.10 |
1997.12.10 |
1998.01.12 |
1998.01.12 |
1998.01.12 |
1998.02.18 |
1998.02.18 |
1998.02.18 |
1998.03.11 |
1998.03.11 |
1998.03.11 |
採取時刻 |
0850 |
0915 |
0930 |
0915 |
0945 |
1000 |
0900 |
0918 |
0930 |
0925 |
0950 |
1000 |
0930 |
1006 |
1030 |
0920 |
0947 |
1005 |
0915 |
0951 |
1010 |
0900 |
0953 |
1020 |
0915 |
0954 |
1015 |
0923 |
0950 |
1005 |
0925 |
0957 |
1015 |
0915 |
0951 |
1015 |
天候 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
13.2 |
13.2 |
13.2 |
21.2 |
21.2 |
21.2 |
22.0 |
22.0 |
22.0 |
26.3 |
26.3 |
26.3 |
26.3 |
26.3 |
26.3 |
26.0 |
26.0 |
26.0 |
16.8 |
16.8 |
16.8 |
7.5 |
7.5 |
7.5 |
5.7 |
5.7 |
5.7 |
-2.6 |
-2.6 |
-2.6 |
-2.4 |
-2.4 |
-2.4 |
-1.0 |
-1.0 |
-1.0 |
水温 (℃) |
11.0 |
8.8 |
7.6 |
12.1 |
10.4 |
9.3 |
14.4 |
11.5 |
9.3 |
22.9 |
14.9 |
12.9 |
21.7 |
17.4 |
14.1 |
21.6 |
15.7 |
14.3 |
12.3 |
10.8 |
9.7 |
8.6 |
8.1 |
7.8 |
6.7 |
6.3 |
5.5 |
3.2 |
3.5 |
3.2 |
1.3 |
3.2 |
4.4 |
1.8 |
2.6 |
3.5 |
流量 (m3/s) |
105.38 |
|
|
28.66 |
|
|
58.45 |
|
|
32.14 |
|
|
33.86 |
|
|
19.31 |
|
|
62.92 |
|
|
24.53 |
|
|
70.77 |
|
|
24.33 |
|
|
10.49 |
|
|
10.60 |
|
|
採取水深 (m) |
0.5 |
11.0 |
21.0 |
0.5 |
12.0 |
23.0 |
0.5 |
11.5 |
22.0 |
0.5 |
10.2 |
19.3 |
0.5 |
9.8 |
18.5 |
0.5 |
8.5 |
18.0 |
0.5 |
10.8 |
20.6 |
0.5 |
12.5 |
24.0 |
0.5 |
12.9 |
24.7 |
0.5 |
12.3 |
23.5 |
0.5 |
12.6 |
24.2 |
0.5 |
8.8 |
16.5 |
全水深 (m) |
22.0 |
|
|
24.0 |
|
|
23.0 |
|
|
20.3 |
|
|
19.5 |
|
|
19.0 |
|
|
21.6 |
|
|
25.0 |
|
|
25.7 |
|
|
24.5 |
|
|
25.2 |
|
|
17.5 |
|
|
透明度 (m) |
2.00 |
|
|
2.00 |
|
|
2.80 |
|
|
1.80 |
|
|
0.50 |
|
|
0.90 |
|
|
2.30 |
|
|
3.20 |
|
|
0.90 |
|
|
3.20 |
|
|
4.80 |
|
|
2.40 |
|
|
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 |
無色澄明 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
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 |
7.4 |
7.3 |
7.2 |
7.4 |
7.2 |
7.2 |
7.5 |
7.4 |
7.0 |
7.9 |
7.0 |
6.8 |
7.3 |
6.9 |
6.7 |
8.6 |
7.1 |
7.0 |
7.5 |
7.3 |
7.4 |
7.4 |
7.3 |
7.3 |
7.1 |
7.1 |
7.1 |
7.3 |
7.4 |
7.3 |
7.2 |
7.2 |
7.1 |
7.1 |
7.2 |
7.2 |
DO (mg/l) |
11.1 |
11.4 |
11.3 |
10.9 |
10.6 |
10.3 |
10.4 |
9.6 |
8.8 |
9.5 |
8.9 |
9.3 |
7.9 |
6.1 |
4.6 |
10.2 |
8.6 |
7.6 |
10.4 |
10.2 |
10.7 |
11.1 |
10.7 |
10.8 |
11.7 |
11.6 |
10.8 |
13.1 |
12.9 |
13.5 |
13.3 |
12.4 |
11.6 |
12.9 |
12.1 |
12.2 |
BOD (mg/l) |
0.8 |
0.5 |
< 0.5 |
0.6 |
0.6 |
< 0.5 |
1.0 |
0.6 |
< 0.5 |
1.5 |
< 0.5 |
< 0.5 |
0.9 |
0.6 |
< 0.5 |
1.8 |
< 0.5 |
< 0.5 |
1.0 |
0.6 |
< 0.5 |
0.6 |
0.6 |
< 0.5 |
0.6 |
0.7 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.6 |
0.5 |
1.2 |
0.8 |
1.0 |
COD (mg/l) |
0.9 |
1.1 |
0.9 |
1.4 |
1.4 |
1.2 |
1.5 |
1.4 |
2.1 |
2.1 |
1.6 |
2.5 |
2.3 |
2.0 |
1.4 |
2.5 |
1.6 |
1.9 |
1.7 |
1.2 |
1.3 |
1.4 |
1.4 |
1.2 |
1.8 |
1.9 |
1.6 |
1.1 |
1.0 |
0.8 |
1.3 |
0.7 |
0.7 |
1.7 |
1.3 |
1.4 |
SS (mg/l) |
2 |
2 |
2 |
2 |
3 |
3 |
1 |
3 |
2 |
2 |
4 |
30 |
12 |
24 |
21 |
4 |
8 |
25 |
2 |
5 |
6 |
1 |
2 |
3 |
7 |
9 |
8 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
1.1E+02 |
7.9E+01 |
1.3E+02 |
2.4E+02 |
7.9E+02 |
7.9E+02 |
2.4E+02 |
2.3E+01 |
3.3E+02 |
7.9E+01 |
3.3E+02 |
1.7E+02 |
3.3E+03 |
3.3E+03 |
7.9E+02 |
1.7E+03 |
2.8E+03 |
4.9E+03 |
4.9E+02 |
4.9E+02 |
4.9E+03 |
3.3E+01 |
3.3E+01 |
1.1E+02 |
7.9E+02 |
4.9E+02 |
3.3E+02 |
1.7E+02 |
7.9E+01 |
1.3E+02 |
2.3E+01 |
7.9E+02 |
7.9E+02 |
4.9E+01 |
7.9E+02 |
7.9E+02 |
全窒素 (mg/l) |
0.60 |
0.47 |
0.44 |
0.59 |
0.60 |
0.62 |
0.52 |
0.54 |
0.53 |
0.59 |
0.52 |
0.61 |
0.70 |
0.60 |
0.63 |
0.57 |
0.54 |
0.64 |
0.44 |
0.33 |
0.32 |
0.34 |
0.33 |
0.31 |
0.49 |
0.51 |
0.48 |
0.45 |
0.45 |
0.43 |
0.43 |
0.42 |
0.56 |
0.65 |
0.54 |
0.56 |
全燐 (mg/l) |
0.003 |
0.003 |
< 0.003 |
0.008 |
0.009 |
0.007 |
0.006 |
0.008 |
0.004 |
0.007 |
0.008 |
0.027 |
0.023 |
0.022 |
0.028 |
0.020 |
0.013 |
0.029 |
0.008 |
0.010 |
0.015 |
0.010 |
0.010 |
0.009 |
0.014 |
0.016 |
0.016 |
0.006 |
0.006 |
0.006 |
0.010 |
0.006 |
0.009 |
0.009 |
0.009 |
0.010 |
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) |
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
六価クロム (mg/l) |
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
|
砒素 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
< 1.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
3.0E+00 |
3.0E+00 |
< 1.0E+00 |
3.0E+00 |
2.0E+00 |
< 1.0E+00 |
8.0E+00 |
3.0E+00 |
< 1.0E+00 |
6.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
1.4E+01 |
< 1.0E+00 |
< 1.0E+00 |
3.0E+00 |
2.0E+00 |
< 1.0E+00 |
4.0E+00 |
3.0E+00 |
2.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
3.0E+00 |
< 1.0E+00 |
2.0E+00 |
< 1.0E+00 |
< 1.0E+00 |
3.0E+00 |
< 1.0E+00 |
< 1.0E+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 |
29.0 |
29.0 |
29.0 |
> 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 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.25 |
0.29 |
0.28 |
0.36 |
0.39 |
0.38 |
0.31 |
0.34 |
0.38 |
0.25 |
0.35 |
0.32 |
0.33 |
0.32 |
0.35 |
0.28 |
0.43 |
0.41 |
0.25 |
0.23 |
0.23 |
0.21 |
0.22 |
0.20 |
0.30 |
0.28 |
0.31 |
0.35 |
0.37 |
0.36 |
0.30 |
0.30 |
0.38 |
0.34 |
0.37 |
0.38 |