測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50301 |
田瀬ダム貯水池 |
L‐5(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 |
2002.10.09 |
2002.10.09 |
2002.10.09 |
2002.11.13 |
2002.11.13 |
2002.11.13 |
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 |
1004 |
1045 |
1059 |
1003 |
1041 |
1058 |
1002 |
1041 |
1058 |
1005 |
1035 |
1055 |
1005 |
1037 |
1057 |
1003 |
1036 |
1055 |
1003 |
1035 |
1058 |
1003 |
1032 |
1159 |
1002 |
1030 |
1050 |
1003 |
1030 |
1055 |
1005 |
1041 |
1059 |
0905 |
0945 |
0959 |
天候 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
17.0 |
17.0 |
17.0 |
16.5 |
16.6 |
16.6 |
22.0 |
21.5 |
21.5 |
28.0 |
28.5 |
29.0 |
29.0 |
29.0 |
29.0 |
24.0 |
23.0 |
23.0 |
19.0 |
19.0 |
19.0 |
4.0 |
4.0 |
4.0 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
0.0 |
-1.0 |
-1.0 |
-1.0 |
0.0 |
0.0 |
0.0 |
水温 (℃) |
13.1 |
5.8 |
4.0 |
16.5 |
7.0 |
5.0 |
21.0 |
7.6 |
5.0 |
27.5 |
16.0 |
7.0 |
27.0 |
16.0 |
6.0 |
20.8 |
15.0 |
5.5 |
18.0 |
14.0 |
5.5 |
10.0 |
8.0 |
5.0 |
5.0 |
5.0 |
4.9 |
0.0 |
2.5 |
2.5 |
0.0 |
2.7 |
3.1 |
0.1 |
2.4 |
3.2 |
流量 (m3/s) |
18.88 |
18.88 |
18.88 |
23.61 |
23.61 |
23.61 |
9.22 |
9.22 |
9.22 |
27.50 |
27.50 |
27.50 |
21.54 |
21.54 |
21.54 |
20.60 |
20.60 |
20.60 |
22.82 |
22.82 |
22.82 |
35.00 |
35.00 |
35.00 |
35.00 |
35.00 |
35.00 |
17.13 |
17.13 |
17.13 |
10.94 |
10.94 |
10.94 |
19.96 |
19.96 |
19.96 |
採取水深 (m) |
0.5 |
23.0 |
45.0 |
0.5 |
25.7 |
50.4 |
0.5 |
23.5 |
46.0 |
0.5 |
21.9 |
42.8 |
0.5 |
22.5 |
44.0 |
0.5 |
23.2 |
45.4 |
0.5 |
27.3 |
53.6 |
0.5 |
29.0 |
57.0 |
0.5 |
29.0 |
57.0 |
0.5 |
25.0 |
49.0 |
0.5 |
26.0 |
51.0 |
0.5 |
16.8 |
32.6 |
全水深 (m) |
46.0 |
46.0 |
46.0 |
51.4 |
51.4 |
51.4 |
47.0 |
47.0 |
47.0 |
43.8 |
43.8 |
43.8 |
45.0 |
45.0 |
45.0 |
46.4 |
46.4 |
46.4 |
54.6 |
54.6 |
54.6 |
58.0 |
58.0 |
58.0 |
58.0 |
58.0 |
58.0 |
50.0 |
50.0 |
50.0 |
52.0 |
52.0 |
52.0 |
33.6 |
33.6 |
33.6 |
透明度 (m) |
1.40 |
|
|
3.50 |
|
|
5.30 |
|
|
1.40 |
|
|
1.70 |
|
|
1.70 |
|
|
1.80 |
|
|
3.50 |
|
|
2.10 |
|
|
3.00 |
|
|
2.70 |
|
|
3.00 |
|
|
外観 |
微緑濁 |
微緑濁 |
微緑濁 |
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 |
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 |
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 |
9.0 |
7.3 |
7.1 |
8.9 |
7.2 |
7.0 |
8.5 |
7.0 |
7.0 |
10.1 |
7.2 |
6.9 |
10.0 |
7.1 |
6.8 |
9.6 |
7.0 |
6.7 |
9.5 |
7.0 |
6.8 |
7.3 |
7.2 |
6.8 |
7.3 |
7.1 |
6.8 |
7.2 |
7.1 |
7.1 |
7.2 |
7.1 |
6.9 |
7.1 |
7.1 |
6.8 |
DO (mg/l) |
12.7 |
9.9 |
9.5 |
10.2 |
9.1 |
6.3 |
10.0 |
8.7 |
5.8 |
13.7 |
7.9 |
3.2 |
12.5 |
7.2 |
0.7 |
10.7 |
6.2 |
< 0.5 |
10.6 |
5.6 |
0.8 |
9.2 |
8.6 |
0.8 |
10.4 |
9.4 |
1.1 |
12.9 |
11.0 |
10.5 |
14.5 |
10.5 |
5.1 |
13.7 |
10.6 |
4.7 |
BOD (mg/l) |
1.0 |
< 0.5 |
0.6 |
1.1 |
0.5 |
0.6 |
0.9 |
0.5 |
0.5 |
1.9 |
0.5 |
0.5 |
1.4 |
1.0 |
1.2 |
2.3 |
0.5 |
0.9 |
2.2 |
0.8 |
0.6 |
1.1 |
0.6 |
0.5 |
0.5 |
0.6 |
1.2 |
0.7 |
0.6 |
0.5 |
1.4 |
< 0.5 |
< 0.5 |
0.8 |
0.6 |
0.5 |
COD (mg/l) |
2.6 |
1.7 |
1.5 |
1.9 |
1.7 |
1.4 |
2.3 |
1.5 |
1.5 |
5.7 |
4.1 |
1.7 |
4.2 |
2.2 |
4.4 |
5.1 |
2.0 |
6.6 |
4.0 |
2.2 |
2.1 |
2.9 |
2.3 |
2.7 |
2.0 |
1.5 |
3.0 |
1.5 |
2.1 |
2.1 |
2.2 |
1.8 |
2.3 |
1.6 |
1.1 |
1.2 |
SS (mg/l) |
4 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
6 |
7 |
2 |
4 |
4 |
21 |
5 |
< 1 |
7 |
4 |
2 |
3 |
1 |
2 |
5 |
1 |
1 |
24 |
< 1 |
< 1 |
2 |
1 |
< 1 |
4 |
1 |
< 1 |
1 |
大腸菌群数 (MPN/100ml) |
< 1.8E+00 |
2.0E+00 |
4.5E+00 |
1.3E+01 |
2.0E+00 |
< 1.8E+00 |
3.3E+01 |
7.9E+01 |
4.9E+01 |
< 1.8E+00 |
7.9E+01 |
1.3E+02 |
< 1.8E+00 |
4.9E+02 |
4.9E+01 |
4.9E+02 |
3.3E+02 |
1.3E+02 |
1.7E+02 |
4.9E+02 |
1.3E+02 |
3.3E+01 |
7.9E+01 |
1.3E+02 |
3.3E+01 |
3.3E+01 |
3.3E+02 |
2.2E+01 |
2.0E+00 |
4.5E+00 |
7.8E+00 |
2.0E+00 |
4.5E+00 |
< 1.8E+00 |
< 1.8E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.56 |
0.74 |
0.79 |
0.40 |
0.72 |
0.84 |
0.47 |
0.71 |
0.84 |
0.30 |
0.82 |
0.85 |
0.24 |
0.68 |
1.06 |
0.35 |
0.70 |
1.17 |
0.42 |
0.63 |
0.86 |
0.57 |
0.51 |
0.91 |
0.56 |
0.65 |
1.06 |
0.54 |
0.55 |
0.57 |
0.70 |
0.54 |
0.80 |
0.60 |
0.65 |
0.64 |
全燐 (mg/l) |
0.013 |
0.013 |
0.014 |
0.007 |
0.006 |
0.011 |
0.008 |
0.006 |
0.010 |
0.020 |
0.045 |
0.017 |
0.014 |
0.022 |
0.086 |
0.015 |
0.017 |
0.026 |
0.023 |
0.020 |
0.019 |
0.013 |
0.016 |
0.027 |
0.015 |
0.014 |
0.037 |
0.009 |
0.010 |
0.012 |
0.008 |
0.009 |
0.019 |
0.011 |
0.007 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
0.3 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
25 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
3 |
< 2 |
< 2 |
19 |
< 2 |
< 2 |
13 |
< 2 |
7 |
36 |
< 2 |
6 |
29 |
< 2 |
< 2 |
4 |
5 |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
3 |
< 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) |
0.38 |
0.65 |
0.58 |
0.22 |
0.63 |
0.64 |
0.21 |
0.61 |
0.78 |
0.02 |
0.45 |
0.68 |
0.02 |
0.60 |
0.62 |
0.12 |
0.58 |
0.73 |
0.12 |
0.45 |
0.52 |
0.31 |
0.33 |
0.24 |
0.45 |
0.50 |
0.27 |
0.47 |
0.46 |
0.45 |
0.49 |
0.45 |
0.35 |
0.47 |
0.49 |
0.54 |