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 |
2002.04.24 |
2002.04.24 |
2002.04.24 |
2002.05.22 |
2002.05.22 |
2002.05.22 |
2002.06.12 |
2002.06.12 |
2002.06.12 |
2002.07.23 |
2002.07.23 |
2002.07.23 |
2002.08.30 |
2002.08.30 |
2002.08.30 |
2002.09.18 |
2002.09.18 |
2002.09.18 |
2002.10.16 |
2002.10.16 |
2002.10.16 |
2002.11.20 |
2002.11.20 |
2002.11.20 |
2002.12.11 |
2002.12.11 |
2002.12.11 |
2003.01.08 |
2003.01.08 |
2003.01.08 |
2003.02.05 |
2003.02.05 |
2003.02.05 |
2003.03.05 |
2003.03.05 |
2003.03.05 |
採取時刻 |
1000 |
1048 |
1120 |
0935 |
1005 |
1020 |
0915 |
0938 |
0950 |
0930 |
1006 |
1020 |
0920 |
0950 |
1010 |
0900 |
0940 |
1005 |
0930 |
1000 |
1015 |
0920 |
1002 |
1025 |
0900 |
0923 |
0935 |
0920 |
1003 |
1030 |
1000 |
1030 |
1050 |
0940 |
1010 |
1030 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
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 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
16.8 |
17.1 |
17.3 |
18.7 |
18.9 |
19.0 |
19.0 |
19.1 |
19.2 |
25.6 |
26.5 |
26.9 |
27.4 |
28.7 |
29.5 |
18.5 |
19.4 |
20.0 |
14.7 |
15.2 |
15.4 |
3.0 |
3.0 |
3.6 |
-2.2 |
-2.1 |
-2.1 |
-3.3 |
-2.5 |
-2.0 |
-5.6 |
-3.4 |
-2.0 |
0.1 |
0.4 |
0.6 |
水温 (℃) |
12.7 |
8.7 |
8.1 |
14.0 |
10.7 |
7.8 |
18.8 |
11.2 |
9.4 |
21.9 |
15.5 |
14.2 |
23.1 |
15.6 |
14.5 |
19.2 |
15.9 |
14.1 |
16.3 |
14.0 |
12.9 |
5.3 |
5.1 |
5.1 |
3.3 |
3.3 |
3.3 |
0.9 |
1.6 |
2.1 |
0.4 |
2.5 |
2.8 |
0.6 |
3.2 |
3.5 |
流量 (m3/s) |
42.39 |
42.39 |
42.39 |
29.85 |
29.85 |
29.85 |
17.93 |
17.93 |
17.93 |
62.98 |
62.98 |
62.98 |
20.73 |
20.73 |
20.73 |
35.10 |
35.10 |
35.10 |
39.74 |
39.74 |
39.74 |
43.12 |
43.12 |
43.12 |
23.14 |
23.14 |
23.14 |
12.55 |
12.55 |
12.55 |
9.70 |
9.70 |
9.70 |
18.55 |
18.55 |
18.55 |
採取水深 (m) |
0.5 |
13.5 |
26.0 |
0.5 |
12.4 |
23.5 |
0.5 |
11.2 |
21.4 |
0.5 |
10.1 |
19.2 |
0.5 |
9.4 |
17.9 |
0.5 |
9.5 |
18.0 |
0.5 |
12.5 |
24.0 |
0.5 |
12.0 |
23.0 |
0.5 |
12.6 |
24.2 |
0.5 |
8.6 |
16.2 |
0.5 |
9.5 |
18.0 |
0.5 |
9.1 |
17.2 |
全水深 (m) |
27.0 |
27.0 |
27.0 |
24.8 |
24.8 |
24.8 |
22.4 |
22.4 |
22.4 |
20.2 |
20.2 |
20.2 |
18.9 |
18.9 |
18.9 |
19.0 |
19.0 |
19.0 |
25.0 |
25.0 |
25.0 |
24.0 |
24.0 |
24.0 |
25.2 |
25.2 |
25.2 |
17.2 |
17.2 |
17.2 |
19.0 |
19.0 |
19.0 |
18.2 |
18.2 |
18.2 |
透明度 (m) |
0.90 |
|
|
3.30 |
|
|
2.90 |
|
|
1.40 |
|
|
1.90 |
|
|
2.60 |
|
|
1.00 |
|
|
2.20 |
|
|
3.60 |
|
|
3.40 |
|
|
6.00 |
|
|
4.30 |
|
|
外観 |
白濁 |
濃白濁 |
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 |
濃白濁 |
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 |
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 |
7.0 |
6.9 |
7.3 |
7.0 |
6.9 |
7.3 |
6.9 |
6.8 |
9.0 |
7.1 |
7.0 |
7.6 |
7.1 |
7.0 |
7.3 |
7.0 |
6.7 |
7.4 |
7.0 |
7.0 |
7.0 |
7.0 |
7.1 |
7.2 |
7.1 |
7.1 |
7.2 |
7.1 |
7.1 |
6.9 |
7.0 |
7.0 |
7.0 |
7.0 |
6.9 |
DO (mg/l) |
11.3 |
11.2 |
11.0 |
10.6 |
9.8 |
9.2 |
8.9 |
8.2 |
7.6 |
11.1 |
9.1 |
8.4 |
9.3 |
8.6 |
7.9 |
8.5 |
7.4 |
3.7 |
9.8 |
8.6 |
8.7 |
11.6 |
11.7 |
11.4 |
11.9 |
12.0 |
11.9 |
13.4 |
13.0 |
11.8 |
12.8 |
12.3 |
11.3 |
12.5 |
11.8 |
9.5 |
BOD (mg/l) |
0.8 |
< 0.5 |
< 0.5 |
1.1 |
0.5 |
0.5 |
1.1 |
0.6 |
< 0.5 |
2.1 |
0.5 |
0.5 |
0.9 |
< 0.5 |
0.5 |
1.2 |
0.6 |
0.6 |
1.3 |
0.5 |
0.5 |
0.6 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.6 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.4 |
1.7 |
1.5 |
1.9 |
1.6 |
1.2 |
1.9 |
1.1 |
1.0 |
2.5 |
1.5 |
1.9 |
1.3 |
1.8 |
1.5 |
1.5 |
1.9 |
2.0 |
2.9 |
2.1 |
1.8 |
1.6 |
1.7 |
1.5 |
1.0 |
1.0 |
1.0 |
1.4 |
1.4 |
1.4 |
1.6 |
1.1 |
1.5 |
1.1 |
0.8 |
1.0 |
SS (mg/l) |
7 |
13 |
17 |
1 |
2 |
2 |
2 |
2 |
1 |
3 |
5 |
19 |
3 |
6 |
15 |
1 |
7 |
15 |
4 |
3 |
5 |
2 |
2 |
2 |
1 |
1 |
1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
3 |
< 1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
1.3E+02 |
1.3E+02 |
4.9E+02 |
3.3E+02 |
3.3E+02 |
7.9E+02 |
3.3E+02 |
3.3E+01 |
2.2E+03 |
7.9E+03 |
7.9E+03 |
1.7E+03 |
3.3E+03 |
1.3E+03 |
1.1E+02 |
4.9E+03 |
2.2E+03 |
4.9E+02 |
4.9E+02 |
1.7E+03 |
1.1E+03 |
3.3E+02 |
7.9E+02 |
3.3E+02 |
1.3E+02 |
4.9E+02 |
3.3E+01 |
3.3E+01 |
7.9E+01 |
4.9E+01 |
2.4E+02 |
1.3E+03 |
4.5E+00 |
3.3E+02 |
1.1E+03 |
全窒素 (mg/l) |
0.47 |
0.46 |
0.44 |
0.42 |
0.39 |
0.35 |
0.45 |
0.41 |
0.38 |
0.51 |
0.57 |
0.57 |
0.44 |
0.48 |
0.50 |
0.35 |
0.45 |
0.56 |
0.45 |
0.46 |
0.47 |
0.47 |
0.47 |
0.44 |
0.42 |
0.47 |
0.43 |
0.41 |
0.40 |
0.39 |
0.35 |
0.37 |
0.44 |
0.39 |
0.41 |
0.52 |
全燐 (mg/l) |
0.006 |
0.007 |
0.008 |
0.011 |
0.009 |
0.006 |
0.006 |
0.005 |
< 0.003 |
0.023 |
0.012 |
0.019 |
0.007 |
0.007 |
0.014 |
0.007 |
0.011 |
0.016 |
0.016 |
0.010 |
0.011 |
0.007 |
0.007 |
0.008 |
0.004 |
0.005 |
0.005 |
0.005 |
0.004 |
0.004 |
0.004 |
0.004 |
0.011 |
0.004 |
0.004 |
0.007 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
5 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
10 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 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) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.34 |
0.34 |
0.32 |
0.25 |
0.29 |
0.25 |
0.29 |
0.30 |
0.28 |
0.23 |
0.39 |
0.36 |
0.32 |
0.40 |
0.39 |
0.27 |
0.30 |
0.34 |
0.31 |
0.29 |
0.27 |
0.29 |
0.31 |
0.31 |
0.38 |
0.38 |
0.39 |
0.32 |
0.33 |
0.31 |
0.28 |
0.31 |
0.32 |
0.34 |
0.34 |
0.42 |