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 |
1996.04.22 |
1996.04.22 |
1996.04.22 |
1996.05.15 |
1996.05.15 |
1996.05.15 |
1996.06.24 |
1996.06.24 |
1996.06.24 |
1996.07.29 |
1996.07.29 |
1996.07.29 |
1996.08.21 |
1996.08.21 |
1996.08.21 |
1996.09.11 |
1996.09.11 |
1996.09.11 |
1996.10.16 |
1996.10.16 |
1996.10.16 |
1996.11.13 |
1996.11.13 |
1996.11.13 |
1996.12.11 |
1996.12.11 |
1996.12.11 |
1997.01.22 |
1997.01.22 |
1997.01.22 |
1997.02.12 |
1997.02.12 |
1997.02.12 |
1997.03.12 |
1997.03.12 |
1997.03.12 |
採取時刻 |
0920 |
0952 |
1010 |
0930 |
1000 |
1020 |
1110 |
1133 |
1145 |
0915 |
0948 |
1000 |
1100 |
1130 |
1150 |
0930 |
0955 |
1010 |
0910 |
0930 |
0945 |
0910 |
1002 |
1020 |
0945 |
1024 |
1045 |
0950 |
1015 |
1030 |
0910 |
0935 |
0950 |
0900 |
0928 |
0940 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
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 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
4.7 |
4.7 |
4.7 |
11.8 |
11.8 |
11.8 |
19.0 |
19.0 |
19.0 |
26.2 |
26.2 |
26.2 |
28.2 |
28.2 |
28.2 |
21.0 |
21.0 |
21.0 |
13.3 |
13.3 |
13.3 |
6.4 |
6.4 |
6.4 |
4.0 |
4.0 |
4.0 |
-3.7 |
-3.7 |
-3.7 |
2.3 |
2.3 |
2.3 |
0.0 |
0.0 |
0.0 |
水温 (℃) |
6.8 |
6.3 |
6.3 |
9.5 |
8.8 |
7.4 |
16.0 |
12.5 |
12.1 |
23.9 |
16.1 |
13.0 |
24.6 |
16.2 |
13.5 |
21.0 |
16.1 |
13.5 |
15.3 |
13.3 |
11.9 |
9.4 |
8.9 |
7.8 |
4.0 |
4.1 |
4.6 |
1.8 |
2.2 |
2.5 |
2.1 |
2.5 |
2.9 |
3.0 |
3.1 |
3.1 |
流量 (m3/s) |
47.25 |
47.25 |
47.25 |
44.73 |
44.73 |
44.73 |
77.07 |
77.07 |
77.07 |
33.89 |
33.89 |
33.89 |
12.23 |
12.23 |
12.23 |
7.38 |
7.38 |
7.38 |
9.56 |
9.56 |
9.56 |
14.93 |
14.93 |
14.93 |
11.65 |
11.65 |
11.65 |
10.04 |
10.04 |
10.04 |
9.79 |
9.79 |
9.79 |
15.93 |
15.93 |
15.93 |
採取水深 (m) |
0.5 |
12.8 |
24.5 |
0.5 |
13.5 |
26.0 |
0.5 |
11.5 |
22.0 |
0.5 |
10.2 |
19.4 |
0.5 |
9.8 |
18.6 |
0.5 |
8.7 |
16.3 |
0.5 |
9.6 |
18.2 |
0.5 |
10.1 |
19.2 |
0.5 |
13.0 |
25.0 |
0.5 |
12.6 |
24.2 |
0.5 |
8.5 |
18.0 |
0.5 |
8.5 |
16.0 |
全水深 (m) |
25.50 |
25.50 |
25.50 |
27.00 |
27.00 |
27.00 |
23.00 |
23.00 |
23.00 |
20.40 |
20.40 |
20.40 |
19.60 |
19.60 |
19.60 |
17.30 |
17.30 |
17.30 |
19.20 |
19.20 |
19.20 |
20.20 |
20.20 |
20.20 |
26.00 |
26.00 |
26.00 |
25.20 |
25.20 |
25.20 |
19.00 |
19.00 |
19.00 |
17.00 |
17.00 |
17.00 |
透明度 (m) |
1.20 |
1.20 |
1.20 |
1.20 |
1.20 |
1.20 |
1.20 |
1.20 |
1.20 |
2.40 |
2.40 |
2.40 |
1.70 |
1.70 |
1.70 |
1.80 |
1.80 |
1.80 |
1.70 |
1.70 |
1.70 |
1.60 |
1.60 |
1.60 |
2.70 |
2.70 |
2.70 |
3.80 |
3.80 |
3.80 |
5.00 |
5.00 |
5.00 |
1.20 |
1.20 |
1.20 |
外観 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
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 |
微白濁 |
微白濁 |
微白濁 |
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 |
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 |
7.2 |
7.1 |
7.0 |
7.0 |
7.1 |
7.5 |
7.1 |
7.1 |
8.4 |
7.2 |
6.9 |
7.9 |
7.3 |
7.1 |
7.6 |
7.2 |
6.8 |
7.5 |
7.2 |
7.2 |
7.4 |
7.4 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
7.4 |
7.3 |
7.4 |
7.4 |
7.3 |
7.0 |
7.1 |
7.1 |
DO (mg/l) |
11.0 |
11.0 |
11.0 |
10.0 |
10.0 |
11.0 |
9.1 |
9.0 |
9.1 |
9.4 |
6.5 |
7.5 |
9.5 |
4.8 |
3.8 |
8.8 |
4.6 |
1.1 |
10.0 |
8.6 |
7.2 |
10.0 |
10.0 |
9.6 |
11.0 |
11.0 |
12.0 |
12.0 |
12.0 |
13.0 |
12.0 |
12.0 |
12.0 |
12.0 |
13.0 |
12.0 |
BOD (mg/l) |
0.7 |
0.6 |
0.5 |
0.6 |
0.6 |
< 0.5 |
0.7 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
1.5 |
0.7 |
0.6 |
1.1 |
0.7 |
0.7 |
1.1 |
0.8 |
0.8 |
0.8 |
0.8 |
0.9 |
0.7 |
0.6 |
0.7 |
0.8 |
0.7 |
0.9 |
1.1 |
1.0 |
0.9 |
0.5 |
1.0 |
< 0.5 |
COD (mg/l) |
1.5 |
1.5 |
1.5 |
1.3 |
1.4 |
1.4 |
2.4 |
1.5 |
1.5 |
1.8 |
1.9 |
1.4 |
2.6 |
1.7 |
1.7 |
2.0 |
1.9 |
1.7 |
1.5 |
1.3 |
2.1 |
1.7 |
1.7 |
1.5 |
1.5 |
1.3 |
1.3 |
1.1 |
1.2 |
1.2 |
1.5 |
1.3 |
1.1 |
1.5 |
1.8 |
1.8 |
SS (mg/l) |
3 |
4 |
4 |
4 |
6 |
10 |
2 |
7 |
7 |
1 |
3 |
5 |
3 |
2 |
3 |
3 |
12 |
5 |
3 |
5 |
28 |
4 |
4 |
5 |
2 |
2 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
4 |
4 |
4 |
大腸菌群数 (MPN/100ml) |
2.4E+03 |
4.9E+03 |
1.3E+03 |
7.9E+01 |
1.3E+02 |
4.9E+01 |
2.2E+02 |
7.9E+02 |
3.3E+02 |
3.3E+01 |
4.9E+01 |
3.3E+02 |
7.9E+02 |
4.9E+02 |
1.7E+02 |
3.3E+02 |
7.9E+02 |
1.1E+02 |
1.1E+02 |
7.9E+02 |
1.3E+02 |
2.4E+02 |
4.9E+02 |
4.9E+02 |
1.7E+02 |
7.9E+01 |
1.3E+02 |
7.9E+01 |
3.3E+01 |
4.9E+01 |
3.3E+02 |
4.5E+00 |
2.2E+01 |
7.9E+02 |
7.9E+02 |
4.9E+02 |
全窒素 (mg/l) |
0.58 |
0.58 |
0.54 |
0.66 |
0.54 |
0.60 |
0.58 |
0.58 |
0.56 |
0.50 |
0.61 |
0.58 |
0.51 |
0.54 |
0.60 |
0.53 |
0.64 |
0.70 |
0.43 |
0.46 |
0.59 |
0.39 |
0.36 |
0.37 |
0.45 |
0.43 |
0.41 |
0.44 |
0.46 |
0.45 |
0.47 |
0.42 |
0.42 |
0.64 |
0.65 |
0.61 |
全燐 (mg/l) |
0.011 |
0.011 |
0.012 |
0.017 |
0.017 |
0.017 |
0.014 |
0.009 |
0.011 |
0.008 |
0.008 |
0.005 |
0.011 |
0.008 |
0.010 |
0.013 |
0.021 |
0.015 |
0.010 |
0.012 |
0.030 |
0.013 |
0.015 |
0.013 |
0.010 |
0.009 |
0.008 |
0.004 |
0.007 |
0.005 |
0.004 |
0.005 |
0.006 |
0.008 |
0.012 |
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) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
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 |
0.2 |
< 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) |
< 0.5 |
< 0.5 |
< 0.5 |
2.6 |
< 0.5 |
< 0.5 |
7.1 |
< 0.5 |
< 0.5 |
6.3 |
2.3 |
< 0.5 |
17.3 |
4.3 |
3.1 |
9.3 |
3.0 |
2.1 |
7.9 |
3.6 |
3.1 |
4.4 |
3.8 |
2.5 |
2.6 |
2.8 |
2.1 |
2.6 |
2.9 |
2.8 |
4.0 |
4.1 |
< 0.5 |
2.2 |
3.6 |
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 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.39 |
0.37 |
0.39 |
0.29 |
0.27 |
0.30 |
0.26 |
0.29 |
0.25 |
0.19 |
0.31 |
0.31 |
0.21 |
0.31 |
0.31 |
0.21 |
0.23 |
0.28 |
0.19 |
0.24 |
0.22 |
0.18 |
0.17 |
0.17 |
0.27 |
0.25 |
0.27 |
0.28 |
0.28 |
0.26 |
0.28 |
0.24 |
0.24 |
0.52 |
0.52 |
0.53 |