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 |
2007.04.25 |
2007.04.25 |
2007.04.25 |
2007.05.22 |
2007.05.22 |
2007.05.22 |
2007.06.13 |
2007.06.13 |
2007.06.13 |
2007.07.11 |
2007.07.11 |
2007.07.11 |
2007.08.08 |
2007.08.08 |
2007.08.08 |
2007.09.26 |
2007.09.26 |
2007.09.26 |
2007.10.16 |
2007.10.16 |
2007.10.16 |
2007.11.14 |
2007.11.14 |
2007.11.14 |
2007.12.12 |
2007.12.12 |
2007.12.12 |
2008.01.09 |
2008.01.09 |
2008.01.09 |
2008.02.06 |
2008.02.06 |
2008.02.06 |
2008.03.05 |
2008.03.05 |
2008.03.05 |
採取時刻 |
0940 |
1052 |
1140 |
0940 |
1029 |
1050 |
0900 |
0932 |
0950 |
0904 |
0933 |
0945 |
0955 |
1035 |
1051 |
0955 |
1015 |
1030 |
0917 |
0943 |
1001 |
0920 |
0956 |
1015 |
0906 |
0933 |
0948 |
0923 |
0958 |
1016 |
0922 |
0947 |
1003 |
0904 |
0940 |
1008 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
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 |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
10.5 |
10.5 |
10.5 |
21 |
21 |
21 |
23.8 |
25.6 |
26.6 |
19.6 |
19.6 |
19.6 |
22.3 |
22.4 |
22.5 |
19 |
19.3 |
19.5 |
11.8 |
11.8 |
11.8 |
9.5 |
9.5 |
9.5 |
2.6 |
2.7 |
2.7 |
-3.5 |
-2.4 |
-1.8 |
1.8 |
1.3 |
1 |
1.6 |
1.6 |
1.6 |
水温 (℃) |
8.9 |
7.3 |
6.7 |
14 |
10 |
9.3 |
23.1 |
12.1 |
9.5 |
22.6 |
15 |
12.1 |
24.3 |
16.9 |
12.9 |
18.5 |
15.2 |
14.6 |
13.9 |
12.6 |
11.6 |
10 |
9.9 |
9 |
3.6 |
3.6 |
3.5 |
1.8 |
2.2 |
2.4 |
0.9 |
2.5 |
2.8 |
1.2 |
3.3 |
3.7 |
流量 (m3/s) |
100.1 |
100.1 |
100.1 |
63.55 |
63.55 |
63.55 |
20.83 |
20.83 |
20.83 |
21.32 |
21.32 |
21.32 |
32.08 |
32.08 |
32.08 |
30.54 |
30.54 |
30.54 |
14.59 |
14.59 |
14.59 |
23.99 |
23.99 |
23.99 |
22.31 |
22.31 |
22.31 |
19.93 |
19.93 |
19.93 |
10.58 |
10.58 |
10.58 |
21.78 |
21.78 |
21.78 |
採取水深 (m) |
0.5 |
12.9 |
24.8 |
0.5 |
12.2 |
23.4 |
0.5 |
10.9 |
20.8 |
0.5 |
10 |
19 |
0.5 |
10 |
19 |
0.5 |
9.45 |
17.9 |
0.5 |
9.5 |
18 |
0.5 |
11.55 |
22.1 |
0.5 |
12.7 |
24.4 |
0.5 |
12.7 |
24.4 |
0.5 |
8.2 |
15.4 |
0.5 |
7.6 |
14.2 |
全水深 (m) |
25.8 |
25.8 |
25.8 |
24.4 |
24.4 |
24.4 |
21.8 |
21.8 |
21.8 |
20 |
20 |
20 |
20 |
20 |
20 |
18.9 |
18.9 |
18.9 |
19 |
19 |
19 |
23.1 |
23.1 |
23.1 |
25.4 |
25.4 |
25.4 |
25.4 |
25.4 |
25.4 |
16.4 |
16.4 |
16.4 |
15.2 |
15.2 |
15.2 |
透明度 (m) |
1.4 |
|
|
1.6 |
|
|
3.7 |
|
|
2.2 |
|
|
2.2 |
|
|
0.7 |
|
|
1.9 |
|
|
2.3 |
|
|
3.8 |
|
|
3.5 |
|
|
4.2 |
|
|
4.7 |
|
|
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
茶褐濁 |
無色澄明 |
白濁 |
微白濁 |
微白濁 |
茶褐色・濃 |
茶褐色・濃 |
無色澄明 |
微白濁 |
白濁 |
無色澄明 |
無色澄明 |
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 |
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 |
7.1 |
7.1 |
7.4 |
7.2 |
7.1 |
7.4 |
6.9 |
6.8 |
7.5 |
6.9 |
6.7 |
7.8 |
7 |
6.7 |
7.2 |
7.1 |
6.9 |
7.5 |
7.3 |
7.3 |
7.4 |
7.4 |
7.2 |
7.4 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.2 |
7.4 |
7.2 |
7.1 |
DO (mg/l) |
11 |
11 |
11 |
11 |
10 |
10 |
9.6 |
8.4 |
7.3 |
9.4 |
8.5 |
4.9 |
9.8 |
6.1 |
1.2 |
9.4 |
9.3 |
8.9 |
10 |
9.7 |
9.6 |
11 |
10 |
10 |
12 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
11 |
13 |
11 |
9.8 |
BOD (mg/l) |
0.6 |
0.7 |
0.6 |
0.9 |
1 |
0.8 |
0.8 |
0.6 |
0.8 |
0.9 |
0.9 |
1 |
1.1 |
1.3 |
1 |
0.6 |
0.8 |
1.1 |
0.9 |
0.6 |
0.7 |
0.7 |
0.6 |
0.5 |
0.5 |
0.5 |
< 0.5 |
0.5 |
0.5 |
< 0.5 |
0.6 |
0.5 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.8 |
1.9 |
1.6 |
1.9 |
2.1 |
1.8 |
1.8 |
1.5 |
1.6 |
2.6 |
2.8 |
3 |
2.5 |
2.7 |
2.2 |
1.6 |
2.2 |
3.8 |
2.1 |
1.5 |
1.7 |
1.9 |
1.6 |
1.4 |
1.2 |
1.3 |
1.2 |
1.3 |
1.2 |
1.1 |
1.6 |
1.1 |
1.3 |
1.3 |
0.9 |
0.9 |
SS (mg/l) |
4 |
7 |
7 |
3 |
5 |
5 |
< 1 |
1 |
2 |
1 |
5 |
17 |
1 |
8 |
5 |
9 |
26 |
83 |
2 |
4 |
13 |
2 |
3 |
6 |
1 |
1 |
1 |
2 |
2 |
2 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
490 |
130 |
330 |
240 |
790 |
790 |
7.8 |
17 |
17 |
33 |
110 |
330 |
110 |
490 |
33 |
7900 |
7900 |
1100 |
220 |
490 |
790 |
790 |
790 |
790 |
49 |
330 |
490 |
490 |
330 |
240 |
2 |
490 |
790 |
< 1.8 |
490 |
790 |
全窒素 (mg/l) |
0.58 |
0.54 |
0.53 |
0.5 |
0.47 |
0.46 |
0.35 |
0.44 |
0.47 |
0.5 |
0.53 |
0.64 |
0.43 |
0.52 |
0.66 |
0.61 |
0.66 |
0.81 |
0.49 |
0.42 |
0.46 |
0.33 |
0.33 |
0.32 |
0.38 |
0.39 |
0.38 |
0.42 |
0.42 |
0.42 |
0.44 |
0.44 |
0.48 |
0.4 |
0.44 |
0.49 |
全燐 (mg/l) |
0.009 |
0.009 |
0.011 |
0.01 |
0.014 |
0.013 |
0.01 |
0.009 |
0.01 |
0.011 |
0.015 |
0.011 |
0.015 |
0.016 |
0.015 |
0.016 |
0.023 |
0.059 |
0.01 |
0.009 |
0.013 |
0.009 |
0.008 |
0.008 |
0.006 |
0.006 |
0.005 |
0.005 |
0.005 |
0.006 |
0.005 |
0.004 |
0.005 |
0.004 |
0.006 |
0.009 |
全亜鉛 (mg/l) |
0.01 |
|
|
0.005 |
|
|
0.009 |
|
|
0.01 |
|
|
0.005 |
|
|
0.008 |
|
|
< 0.005 |
|
|
0.006 |
|
|
< 0.005 |
|
|
0.009 |
|
|
0.005 |
|
|
0.009 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.09 |
< 0.05 |
< 0.05 |
0.11 |
< 0.05 |
0.1 |
0.2 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.06 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
84 |
> 100 |
> 100 |
71 |
58 |
65 |
> 100 |
> 100 |
94 |
> 100 |
71 |
27 |
> 100 |
61 |
86 |
43 |
17 |
6 |
> 100 |
91 |
54 |
> 100 |
> 100 |
67 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.4 |
0.41 |
0.4 |
0.29 |
0.29 |
0.29 |
0.16 |
0.31 |
0.27 |
0.28 |
0.33 |
0.28 |
0.23 |
0.29 |
0.21 |
0.49 |
0.5 |
0.4 |
0.28 |
0.27 |
0.29 |
0.2 |
0.19 |
0.24 |
0.3 |
0.3 |
0.29 |
0.3 |
0.31 |
0.35 |
0.35 |
0.36 |
0.41 |
0.3 |
0.33 |
0.37 |