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 |
2013.04.17 |
2013.04.17 |
2013.04.17 |
2013.05.15 |
2013.05.15 |
2013.05.15 |
2013.06.05 |
2013.06.05 |
2013.06.05 |
2013.07.10 |
2013.07.10 |
2013.07.10 |
2013.08.21 |
2013.08.21 |
2013.08.21 |
2013.09.11 |
2013.09.11 |
2013.09.11 |
2013.10.23 |
2013.10.23 |
2013.10.23 |
2013.11.13 |
2013.11.13 |
2013.11.13 |
2013.12.11 |
2013.12.11 |
2013.12.11 |
2014.01.08 |
2014.01.08 |
2014.01.08 |
2014.02.05 |
2014.02.05 |
2014.02.05 |
2014.03.05 |
2014.03.05 |
2014.03.05 |
採取時刻 |
1044 |
1129 |
1151 |
0940 |
1030 |
1052 |
0925 |
1002 |
1023 |
0958 |
1040 |
1059 |
0940 |
1023 |
1043 |
0945 |
1018 |
1045 |
0940 |
1016 |
1041 |
0957 |
1040 |
1107 |
0949 |
1026 |
1055 |
1001 |
1050 |
1118 |
1041 |
1136 |
1215 |
1002 |
1055 |
1135 |
天候 |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
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 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
12.0 |
11.2 |
11.0 |
15.8 |
17.2 |
18.2 |
21.9 |
23.0 |
22.0 |
25.0 |
25.0 |
25.8 |
25.8 |
27.5 |
28.0 |
23.1 |
24 |
23.2 |
14.8 |
14.8 |
15.7 |
5.1 |
5.0 |
5.5 |
7.9 |
7.0 |
8.0 |
2.8 |
2.9 |
2.9 |
-5.8 |
-5.5 |
-4.9 |
-0.7 |
0.0 |
0.1 |
水温 (℃) |
9.6 |
5.8 |
4.4 |
14.2 |
8.0 |
5.0 |
20.4 |
8.6 |
5.8 |
23.0 |
16.8 |
6.7 |
25.0 |
19.0 |
8.3 |
22.1 |
18.2 |
8.0 |
15.2 |
13.0 |
7.9 |
11.5 |
10.0 |
7.0 |
8.0 |
6.8 |
6.0 |
5.1 |
3.9 |
4.0 |
0.6 |
2.8 |
2.8 |
1.8 |
3.0 |
3.1 |
流量 (m3/s) |
17.92 |
17.92 |
17.92 |
15.85 |
15.85 |
15.85 |
7.2 |
7.2 |
7.2 |
22.1 |
22.1 |
22.1 |
28.61 |
28.61 |
28.61 |
25.74 |
25.74 |
25.74 |
31.62 |
31.62 |
31.62 |
19.74 |
19.74 |
19.74 |
13.04 |
13.04 |
13.04 |
16.84 |
16.84 |
16.84 |
22.19 |
22.19 |
22.19 |
23.57 |
23.57 |
23.57 |
採取水深 (m) |
0.5 |
23.1 |
45.2 |
0.5 |
25.5 |
50 |
0.5 |
24.7 |
48.4 |
0.5 |
23.1 |
45.2 |
0.5 |
24.4 |
47.8 |
0.5 |
23.7 |
46.4 |
0.5 |
27.2 |
53.4 |
0.5 |
29.3 |
57.5 |
0.5 |
28.4 |
55.8 |
0.5 |
28.7 |
56.4 |
0.5 |
23.5 |
46 |
0.5 |
19.5 |
38 |
全水深 (m) |
46.2 |
46.2 |
46.2 |
51 |
51 |
51 |
49.4 |
49.4 |
49.4 |
46.2 |
46.2 |
46.2 |
48.8 |
48.8 |
48.8 |
47.4 |
47.4 |
47.4 |
54.4 |
54.4 |
54.4 |
58.5 |
58.5 |
58.5 |
56.8 |
56.8 |
56.8 |
57.4 |
57.4 |
57.4 |
47 |
47 |
47 |
39 |
39 |
39 |
透明度 (m) |
2.4 |
|
|
3.5 |
|
|
5.9 |
|
|
2.7 |
|
|
3.3 |
|
|
2.8 |
|
|
3.4 |
|
|
4.4 |
|
|
3.6 |
|
|
5.6 |
|
|
4.6 |
|
|
2.8 |
|
|
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 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
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 |
7.5 |
7.1 |
6.9 |
8.0 |
7.1 |
6.9 |
8.5 |
7.2 |
7.0 |
7.8 |
7.3 |
6.9 |
8.3 |
7.4 |
6.9 |
7.8 |
7.4 |
7.0 |
7.6 |
7.3 |
7.1 |
7.6 |
7.4 |
7.1 |
7.4 |
7.3 |
7.1 |
7.5 |
7.4 |
7.3 |
7.5 |
7.5 |
7.3 |
7.3 |
7.3 |
7.2 |
DO (mg/l) |
11 |
9.4 |
2.6 |
10 |
9.0 |
3.9 |
9.3 |
8.1 |
3.1 |
9.9 |
6.9 |
1.1 |
9.5 |
7.2 |
0.9 |
8.8 |
6.2 |
1.5 |
9.5 |
6.5 |
1.3 |
9.0 |
8.5 |
2.0 |
10 |
9.1 |
5.5 |
10 |
10 |
10 |
12 |
11 |
9.5 |
12 |
10 |
8.0 |
BOD (mg/l) |
2.3 |
1.8 |
2.2 |
2.4 |
1.7 |
1.5 |
1.2 |
1.4 |
1.0 |
2.5 |
1.1 |
1.7 |
0.6 |
0.5 |
0.9 |
2.4 |
2.2 |
1.6 |
1.5 |
1.4 |
1.5 |
2.0 |
1.3 |
2.4 |
0.6 |
0.8 |
2.8 |
1.0 |
1.1 |
1.2 |
0.8 |
0.6 |
0.8 |
1.5 |
0.9 |
1.0 |
COD (mg/l) |
3.3 |
1.8 |
4.5 |
2.4 |
1.9 |
2.1 |
2.3 |
1.7 |
1.5 |
2.6 |
1.7 |
2.3 |
3.1 |
3.0 |
2.9 |
3.2 |
2.7 |
2.6 |
2.7 |
3.7 |
2.9 |
2.3 |
1.7 |
3.4 |
2.4 |
2.1 |
4.5 |
1.9 |
1.8 |
1.7 |
1.7 |
1.6 |
1.7 |
1.5 |
1.5 |
1.7 |
SS (mg/l) |
3 |
1 |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
1 |
2 |
1 |
2 |
3 |
1 |
2 |
3 |
2 |
1 |
3 |
< 1 |
< 1 |
3 |
1 |
< 1 |
5 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
1.7E+02 |
3.3E+01 |
1.3E+01 |
7.9E+01 |
4.9E+01 |
1.3E+04 |
4.9E+01 |
4.9E+01 |
1.7E+03 |
7.9E+02 |
2.2E+03 |
4.9E+02 |
1.1E+03 |
1.1E+03 |
4.9E+02 |
1.7E+03 |
3.3E+02 |
3.3E+02 |
7.9E+02 |
1.3E+03 |
4.9E+02 |
2.4E+02 |
3.3E+03 |
1.1E+02 |
1.4E+02 |
2.4E+02 |
7.9E+01 |
7.9E+01 |
7.9E+01 |
4.9E+01 |
2.3E+01 |
3.3E+01 |
4.5E+00 |
2.4E+02 |
3.3E+02 |
全窒素 (mg/l) |
0.88 |
0.96 |
2.8 |
0.62 |
0.80 |
0.97 |
0.50 |
0.85 |
1.0 |
0.63 |
0.66 |
1.3 |
0.66 |
0.80 |
2.4 |
0.60 |
0.75 |
1.3 |
0.66 |
0.83 |
1.2 |
0.66 |
0.70 |
1.6 |
0.62 |
0.63 |
1.4 |
0.64 |
0.92 |
0.66 |
0.61 |
0.60 |
0.72 |
0.62 |
0.66 |
0.67 |
全燐 (mg/l) |
0.029 |
0.012 |
0.017 |
0.014 |
0.007 |
0.009 |
0.007 |
0.005 |
0.010 |
0.010 |
0.007 |
0.014 |
0.013 |
0.011 |
0.012 |
0.015 |
0.022 |
0.019 |
0.008 |
0.026 |
0.027 |
0.011 |
0.012 |
0.032 |
0.007 |
0.009 |
0.059 |
0.007 |
0.007 |
0.013 |
0.006 |
0.004 |
0.006 |
0.007 |
0.005 |
0.009 |
全亜鉛 (mg/l) |
0.007 |
0.008 |
0.011 |
0.006 |
0.004 |
0.006 |
0.004 |
0.003 |
0.003 |
0.002 |
0.006 |
0.004 |
0.005 |
0.008 |
0.009 |
0.004 |
0.004 |
0.005 |
0.006 |
0.002 |
0.003 |
0.003 |
0.004 |
0.006 |
0.001 |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
0.007 |
0.003 |
0.004 |
0.006 |
0.004 |
0.004 |
ノニルフェノール (mg/l) |
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
0.008 |
0.031 |
0.028 |
0.015 |
0.007 |
0.013 |
0.005 |
0.002 |
0.004 |
0.009 |
0.003 |
0.04 |
0.01 |
0.004 |
0.047 |
0.009 |
0.004 |
0.017 |
< 0.001 |
0.008 |
0.007 |
0.007 |
0.009 |
0.003 |
0.003 |
0.003 |
0.009 |
0.005 |
0.004 |
0.004 |
0.002 |
< 0.001 |
0.003 |
0.002 |
< 0.001 |
0.002 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
0.06 |
0.96 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.23 |
< 0.05 |
< 0.05 |
0.97 |
< 0.05 |
< 0.05 |
0.65 |
< 0.05 |
< 0.05 |
0.61 |
< 0.05 |
< 0.05 |
0.89 |
< 0.05 |
< 0.05 |
0.44 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.12 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
7.4 |
< 2.0 |
< 2.0 |
7.1 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
8.0 |
< 2.0 |
< 2.0 |
6.4 |
< 2.0 |
< 2.0 |
7.0 |
< 2.0 |
< 2.0 |
13 |
2.5 |
< 2.0 |
3.8 |
< 2.0 |
< 2.0 |
2.9 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
2.8 |
< 2.0 |
< 2.0 |
2.7 |
< 2.0 |
< 2.0 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
94 |
> 100 |
> 100 |
95 |
> 100 |
> 100 |
80 |
> 100 |
> 100 |
68 |
> 100 |
> 100 |
88 |
> 100 |
> 100 |
52 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
|
4.1 |
4.9 |
5.6 |
|
|
|
|
|
|
3.9 |
4.0 |
5.2 |
|
|
|
|
|
|
3.8 |
3.9 |
5.0 |
|
|
|
|
|
|
4.6 |
4.2 |
4.6 |
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.55 |
0.70 |
0.53 |
0.43 |
0.70 |
0.73 |
0.26 |
0.69 |
0.74 |
0.32 |
0.55 |
0.67 |
0.38 |
0.62 |
0.22 |
0.41 |
0.55 |
0.27 |
0.41 |
0.55 |
0.16 |
0.50 |
0.52 |
0.05 |
0.47 |
0.44 |
0.27 |
0.49 |
0.80 |
0.47 |
0.48 |
0.48 |
0.43 |
0.50 |
0.56 |
0.54 |
1,4-ジオキサン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
|
|
|
|
|
4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|