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 |
2001.04.18 |
2001.04.18 |
2001.04.18 |
2001.05.23 |
2001.05.23 |
2001.05.23 |
2001.06.26 |
2001.06.26 |
2001.06.26 |
2001.07.11 |
2001.07.11 |
2001.07.11 |
2001.08.29 |
2001.08.29 |
2001.08.29 |
2001.09.19 |
2001.09.19 |
2001.09.19 |
2001.10.10 |
2001.10.10 |
2001.10.10 |
2001.11.14 |
2001.11.14 |
2001.11.14 |
2001.12.12 |
2001.12.12 |
2001.12.12 |
2002.01.16 |
2002.01.16 |
2002.01.16 |
2002.02.13 |
2002.02.13 |
2002.02.13 |
2002.03.06 |
2002.03.06 |
2002.03.06 |
採取時刻 |
0905 |
0930 |
0945 |
0909 |
0937 |
0952 |
0938 |
1008 |
1018 |
0900 |
0933 |
0945 |
0928 |
1010 |
1025 |
0900 |
0925 |
0940 |
0855 |
0927 |
0945 |
0944 |
1017 |
1035 |
0905 |
0937 |
0955 |
0912 |
1010 |
1030 |
0950 |
1040 |
1110 |
0900 |
0950 |
1023 |
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 |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
気温 (℃) |
16.0 |
17.4 |
17.6 |
21.1 |
22.3 |
22.9 |
24.2 |
24.4 |
24.4 |
26.0 |
26.0 |
26.0 |
23.5 |
23.7 |
23.8 |
21.6 |
21.8 |
21.9 |
10.5 |
10.7 |
10.9 |
4.0 |
4.1 |
4.1 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
-8.0 |
-8.9 |
-9.8 |
2.5 |
1.3 |
0.5 |
水温 (℃) |
9.3 |
8.6 |
8.0 |
16.6 |
9.5 |
8.9 |
18.4 |
12.2 |
8.2 |
21.9 |
13.7 |
8.3 |
22.1 |
18.0 |
15.1 |
18.3 |
14.8 |
13.9 |
15.0 |
14.5 |
12.9 |
9.4 |
9.4 |
8.2 |
4.2 |
4.2 |
4.3 |
1.4 |
2.8 |
3.1 |
2.4 |
3.6 |
3.8 |
3.0 |
4.0 |
4.0 |
流量 (m3/s) |
57.81 |
57.81 |
57.81 |
16.92 |
16.92 |
16.92 |
15.16 |
15.16 |
15.16 |
24.05 |
24.05 |
24.05 |
20.79 |
20.79 |
20.79 |
40.30 |
40.30 |
40.30 |
17.80 |
17.80 |
17.80 |
21.10 |
21.10 |
21.10 |
17.93 |
17.93 |
17.93 |
25.51 |
25.51 |
25.51 |
11.77 |
11.77 |
11.77 |
23.89 |
23.89 |
23.89 |
採取水深 (m) |
0.5 |
12.9 |
24.7 |
0.5 |
12.4 |
23.9 |
0.5 |
10.5 |
20.0 |
0.5 |
10.3 |
19.5 |
0.5 |
10.0 |
18.6 |
0.5 |
9.7 |
18.5 |
0.5 |
11.3 |
21.6 |
0.5 |
12.5 |
24.0 |
0.5 |
12.7 |
24.5 |
0.5 |
10.2 |
19.5 |
0.5 |
8.7 |
16.4 |
0.5 |
8.9 |
16.9 |
全水深 (m) |
25.7 |
25.7 |
25.7 |
24.9 |
24.9 |
24.9 |
21.0 |
21.0 |
21.0 |
20.5 |
20.5 |
20.5 |
19.6 |
19.6 |
19.6 |
19.5 |
19.5 |
19.5 |
22.6 |
22.6 |
22.6 |
25.0 |
25.0 |
25.0 |
25.5 |
25.5 |
25.5 |
20.5 |
20.5 |
20.5 |
17.4 |
17.4 |
17.4 |
17.9 |
17.9 |
17.9 |
透明度 (m) |
1.60 |
|
|
2.90 |
|
|
2.00 |
|
|
1.40 |
|
|
0.90 |
|
|
1.00 |
|
|
2.70 |
|
|
3.70 |
|
|
3.40 |
|
|
4.80 |
|
|
2.00 |
|
|
3.00 |
|
|
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 |
濃白濁 |
白濁 |
濃白濁 |
濃白濁 |
無色澄明 |
白濁 |
濃白濁 |
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 |
7.0 |
7.0 |
6.9 |
7.5 |
7.0 |
6.9 |
7.5 |
7.0 |
6.8 |
7.9 |
7.2 |
6.9 |
7.3 |
7.1 |
6.9 |
7.7 |
7.2 |
7.2 |
7.4 |
7.2 |
7.2 |
7.3 |
7.3 |
7.2 |
7.4 |
7.2 |
7.3 |
7.1 |
7.0 |
7.0 |
6.8 |
7.0 |
7.0 |
7.1 |
7.1 |
7.0 |
DO (mg/l) |
11.2 |
11.3 |
10.9 |
10.9 |
10.1 |
9.9 |
10.0 |
9.2 |
7.5 |
9.2 |
8.1 |
6.2 |
8.2 |
7.1 |
4.1 |
9.5 |
8.8 |
8.2 |
9.8 |
9.3 |
8.7 |
10.6 |
10.6 |
10.6 |
12.1 |
12.1 |
12.0 |
13.2 |
10.3 |
9.9 |
13.7 |
11.8 |
10.9 |
13.1 |
11.6 |
8.1 |
BOD (mg/l) |
0.8 |
< 0.5 |
< 0.5 |
1.3 |
0.5 |
< 0.5 |
1.3 |
0.5 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
1.9 |
0.7 |
0.7 |
0.8 |
< 0.5 |
0.5 |
0.6 |
0.6 |
< 0.5 |
0.7 |
0.6 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
1.1 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
COD (mg/l) |
1.3 |
1.4 |
1.3 |
1.8 |
1.1 |
1.1 |
2.7 |
2.5 |
1.5 |
2.5 |
2.5 |
3.3 |
2.0 |
2.6 |
2.3 |
3.2 |
2.2 |
2.2 |
2.0 |
1.7 |
1.5 |
1.3 |
1.5 |
1.2 |
1.4 |
1.3 |
1.4 |
1.0 |
0.8 |
0.9 |
1.8 |
1.3 |
1.2 |
1.2 |
1.0 |
1.6 |
SS (mg/l) |
3 |
4 |
5 |
2 |
2 |
2 |
2 |
3 |
2 |
2 |
8 |
21 |
5 |
14 |
11 |
6 |
7 |
27 |
1 |
2 |
4 |
1 |
2 |
3 |
2 |
1 |
2 |
1 |
< 1 |
2 |
2 |
2 |
4 |
1 |
1 |
16 |
大腸菌群数 (MPN/100ml) |
3.3E+02 |
3.3E+02 |
3.3E+02 |
1.3E+01 |
1.3E+02 |
1.3E+02 |
1.3E+03 |
4.9E+02 |
3.3E+02 |
2.4E+02 |
2.4E+03 |
4.9E+02 |
1.7E+04 |
4.9E+03 |
3.3E+03 |
7.9E+02 |
4.9E+03 |
4.9E+03 |
7.9E+02 |
7.9E+02 |
7.9E+02 |
2.4E+02 |
3.3E+02 |
3.3E+02 |
3.3E+01 |
1.7E+02 |
4.9E+01 |
2.0E+00 |
1.3E+03 |
1.3E+04 |
2.0E+00 |
3.3E+02 |
3.3E+03 |
3.3E+01 |
1.7E+02 |
1.3E+03 |
全窒素 (mg/l) |
0.59 |
0.50 |
0.49 |
0.49 |
0.45 |
0.44 |
0.56 |
0.57 |
0.48 |
0.52 |
0.55 |
0.62 |
0.53 |
0.61 |
0.64 |
0.52 |
0.48 |
0.50 |
0.42 |
0.39 |
0.40 |
0.31 |
0.31 |
0.29 |
0.38 |
0.39 |
0.37 |
0.37 |
0.37 |
0.41 |
0.60 |
0.56 |
0.59 |
0.52 |
0.65 |
0.67 |
全燐 (mg/l) |
0.006 |
0.004 |
0.005 |
0.009 |
0.009 |
0.008 |
0.012 |
0.012 |
0.005 |
0.007 |
0.011 |
0.023 |
0.010 |
0.016 |
0.019 |
0.018 |
0.012 |
0.019 |
0.012 |
0.009 |
0.008 |
0.005 |
0.006 |
0.004 |
0.004 |
0.004 |
0.004 |
0.006 |
0.006 |
0.009 |
0.011 |
0.006 |
0.007 |
0.006 |
0.005 |
0.015 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 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 |
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
< 0.0006 |
|
|
|
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
< 0.002 |
|
|
|
|
|
< 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) |
< 1 |
< 1 |
< 1 |
6 |
< 1 |
< 1 |
6 |
< 1 |
< 1 |
4 |
< 1 |
< 1 |
4 |
< 1 |
< 1 |
5 |
< 1 |
< 1 |
6 |
< 2 |
< 2 |
3 |
3 |
< 2 |
3 |
3 |
3 |
2 |
< 2 |
< 2 |
6 |
< 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 |
19.0 |
> 30.0 |
30.0 |
8.0 |
> 30.0 |
> 30.0 |
20.0 |
> 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) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.41 |
0.42 |
0.43 |
0.29 |
0.32 |
0.32 |
0.37 |
0.42 |
0.32 |
0.34 |
0.36 |
0.35 |
0.33 |
0.34 |
0.36 |
0.32 |
0.42 |
0.39 |
0.26 |
0.31 |
0.26 |
0.17 |
0.16 |
0.19 |
0.27 |
0.24 |
0.25 |
0.28 |
0.26 |
0.30 |
0.39 |
0.39 |
0.42 |
0.42 |
0.44 |
0.52 |