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 |
2015.04.15 |
2015.04.15 |
2015.04.15 |
2015.05.20 |
2015.05.20 |
2015.05.20 |
2015.06.10 |
2015.06.10 |
2015.06.10 |
2015.07.08 |
2015.07.08 |
2015.07.08 |
2015.08.19 |
2015.08.19 |
2015.08.19 |
2015.09.09 |
2015.09.09 |
2015.09.09 |
2015.10.14 |
2015.10.14 |
2015.10.14 |
2015.11.11 |
2015.11.11 |
2015.11.11 |
2015.12.09 |
2015.12.09 |
2015.12.09 |
2016.01.06 |
2016.01.06 |
2016.01.06 |
2016.02.03 |
2016.02.03 |
2016.02.03 |
2016.03.02 |
2016.03.02 |
2016.03.02 |
採取時刻 |
0956 |
1017 |
1037 |
0936 |
1000 |
1022 |
0931 |
0953 |
1009 |
0931 |
0958 |
1013 |
1003 |
1027 |
1045 |
0942 |
1012 |
1038 |
0953 |
1020 |
1038 |
0939 |
1008 |
1034 |
1001 |
1036 |
1109 |
0907 |
0938 |
1135 |
1000 |
1044 |
1110 |
0950 |
1035 |
1106 |
天候 |
曇り |
曇り |
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 |
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 |
晴れ |
晴れ |
曇り |
気温 (℃) |
13.8 |
15.0 |
15.4 |
23.2 |
24.7 |
25.1 |
22.2 |
22.6 |
19.9 |
25.9 |
27.8 |
28.5 |
25.9 |
26.3 |
26.3 |
22.7 |
22.8 |
22.8 |
13.1 |
12.8 |
11.9 |
11.5 |
11.7 |
12.2 |
3.1 |
5.0 |
5.9 |
0.7 |
0.7 |
0.7 |
-1.0 |
-0.2 |
0.0 |
-1.2 |
-0.2 |
-0.1 |
水温 (℃) |
10.4 |
5.2 |
4.2 |
18.0 |
9.1 |
5.3 |
18.3 |
9.8 |
6.2 |
23.8 |
15.4 |
5.7 |
24.8 |
21.1 |
6.1 |
21.9 |
20.0 |
6.9 |
14.8 |
13.8 |
5.1 |
12.6 |
11.0 |
5.8 |
8.5 |
7.1 |
4.8 |
4.5 |
4.0 |
3.9 |
1.9 |
3.3 |
4.0 |
2.6 |
3.2 |
3.3 |
流量 (m3/s) |
34.38 |
34.38 |
34.38 |
13.90 |
13.90 |
13.90 |
23.05 |
23.05 |
23.05 |
7.82 |
7.82 |
7.82 |
18.43 |
18.43 |
18.43 |
13.32 |
13.32 |
13.32 |
16.80 |
16.80 |
16.80 |
25.75 |
25.75 |
25.75 |
18.05 |
18.05 |
18.05 |
5.22 |
5.22 |
5.22 |
8.16 |
8.16 |
8.16 |
13.19 |
13.19 |
13.19 |
採取水深 (m) |
0.50 |
26.90 |
52.80 |
0.50 |
27.80 |
54.60 |
0.50 |
24.80 |
48.60 |
0.50 |
22.90 |
44.80 |
0.50 |
22.80 |
44.60 |
0.50 |
21.20 |
41.40 |
0.50 |
23.30 |
45.60 |
0.50 |
27.70 |
54.40 |
0.50 |
29.50 |
58.00 |
0.50 |
25.20 |
49.40 |
0.50 |
23.20 |
45.40 |
0.50 |
19.40 |
37.80 |
全水深 (m) |
53.80 |
53.80 |
53.80 |
55.60 |
55.60 |
55.60 |
49.60 |
49.60 |
49.60 |
45.80 |
45.80 |
45.80 |
45.60 |
45.60 |
45.60 |
42.40 |
42.40 |
42.40 |
46.60 |
46.60 |
46.60 |
55.40 |
55.40 |
55.40 |
59.00 |
59.00 |
59.00 |
50.40 |
50.40 |
50.40 |
46.40 |
46.40 |
46.40 |
38.80 |
38.80 |
38.80 |
透明度 (m) |
2.8 |
|
|
4.3 |
|
|
4.6 |
|
|
3.3 |
|
|
3.6 |
|
|
3.5 |
|
|
2.0 |
|
|
4.5 |
|
|
5.2 |
|
|
4.5 |
|
|
4.0 |
|
|
4.3 |
|
|
外観 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
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 |
下水臭 |
なし |
なし |
なし |
なし |
なし |
下水臭 |
なし |
なし |
なし |
なし |
なし |
下水臭 |
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 |
7.9 |
7.4 |
7.3 |
7.6 |
7.4 |
7.2 |
7.8 |
7.4 |
7.0 |
8.7 |
7.6 |
7.0 |
8.3 |
7.4 |
7.4 |
7.6 |
7.4 |
6.9 |
7.4 |
7.2 |
7.0 |
7.6 |
7.5 |
6.9 |
7.4 |
7.3 |
7.1 |
7.3 |
7.3 |
7.2 |
7.5 |
7.5 |
7.4 |
7.5 |
7.4 |
7.4 |
DO (mg/l) |
11 |
10 |
8.8 |
9.6 |
9.1 |
4.8 |
9.0 |
8.2 |
4.0 |
10 |
6.8 |
1.3 |
8.8 |
5.5 |
6.8 |
7.3 |
4.8 |
0.9 |
8.9 |
8.7 |
0.8 |
9.6 |
8.6 |
0.7 |
9.5 |
8.8 |
1.2 |
10 |
10 |
10 |
12 |
10 |
10 |
12 |
11 |
11 |
BOD (mg/l) |
1.7 |
< 0.5 |
< 0.5 |
1.0 |
0.5 |
1.1 |
1.3 |
1.2 |
1.0 |
1.2 |
< 0.5 |
1.2 |
0.9 |
< 0.5 |
< 0.5 |
0.9 |
0.8 |
0.8 |
0.8 |
0.7 |
0.7 |
0.6 |
0.6 |
0.7 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
0.5 |
0.6 |
0.7 |
< 0.5 |
< 0.5 |
0.7 |
0.5 |
< 0.5 |
COD (mg/l) |
2.4 |
2.0 |
2.1 |
2.6 |
1.9 |
3.1 |
2.7 |
2.4 |
2.7 |
3.0 |
1.9 |
5.7 |
2.7 |
2.1 |
2.3 |
3.1 |
2.2 |
5.2 |
3.3 |
3.1 |
4.3 |
2.4 |
2.1 |
4.0 |
2.2 |
2.3 |
5.8 |
2.1 |
2.1 |
2.4 |
2.0 |
1.9 |
1.9 |
2.1 |
1.9 |
2.2 |
SS (mg/l) |
2 |
1 |
1 |
< 1 |
1 |
2 |
1 |
1 |
1 |
2 |
1 |
7 |
1 |
< 1 |
1 |
4 |
2 |
6 |
4 |
5 |
7 |
1 |
3 |
6 |
< 1 |
1 |
3 |
< 1 |
< 1 |
4 |
1 |
< 1 |
1 |
1 |
1 |
3 |
大腸菌群数 (MPN/100ml) |
7.8 |
7.8 |
7.8 |
940 |
79 |
79 |
330 |
330 |
240 |
9.2 |
33 |
220 |
4900 |
2200 |
790 |
790 |
330 |
790 |
790 |
330 |
1700 |
49 |
13 |
130 |
330 |
170 |
49 |
170 |
49 |
240 |
4.5 |
23 |
7.8 |
7.8 |
17 |
13 |
全窒素 (mg/l) |
0.60 |
0.84 |
0.84 |
0.43 |
0.70 |
1.2 |
0.51 |
0.63 |
1.0 |
0.41 |
0.65 |
2.5 |
0.53 |
0.61 |
0.64 |
0.56 |
0.61 |
2.4 |
0.57 |
0.55 |
1.7 |
0.44 |
0.45 |
1.7 |
0.54 |
0.59 |
3.0 |
0.60 |
0.57 |
0.66 |
0.55 |
0.53 |
0.54 |
0.57 |
0.59 |
0.66 |
全燐 (mg/l) |
0.015 |
0.016 |
0.018 |
0.011 |
0.010 |
0.036 |
0.018 |
0.022 |
0.023 |
0.009 |
0.010 |
0.066 |
0.011 |
0.009 |
0.011 |
0.013 |
0.019 |
0.028 |
0.018 |
0.021 |
0.028 |
0.008 |
0.009 |
0.024 |
0.011 |
0.014 |
0.019 |
0.014 |
0.013 |
0.024 |
0.011 |
0.010 |
0.010 |
0.011 |
0.009 |
0.018 |
全亜鉛 (mg/l) |
0.013 |
0.013 |
0.012 |
0.003 |
0.004 |
0.005 |
0.009 |
0.009 |
0.011 |
0.004 |
0.006 |
0.007 |
0.009 |
0.010 |
0.010 |
0.002 |
0.003 |
0.005 |
0.001 |
0.001 |
0.002 |
0.008 |
0.008 |
0.010 |
0.001 |
0.003 |
0.005 |
0.003 |
0.002 |
0.003 |
0.005 |
0.005 |
0.004 |
0.007 |
0.006 |
0.007 |
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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
0.002 |
0.003 |
0.004 |
0.005 |
0.006 |
0.005 |
0.005 |
0.004 |
0.002 |
0.006 |
0.001 |
0.017 |
0.012 |
0.004 |
0.006 |
0.005 |
0.007 |
0.003 |
0.009 |
0.012 |
0.020 |
0.007 |
0.003 |
0.005 |
< 0.001 |
< 0.001 |
< 0.001 |
0.003 |
0.003 |
0.004 |
0.005 |
0.006 |
0.007 |
0.005 |
0.003 |
0.004 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.05 |
|
|
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
< 0.05 |
0.08 |
< 0.05 |
< 0.05 |
0.31 |
< 0.05 |
< 0.05 |
0.19 |
< 0.05 |
< 0.05 |
1.15 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
1.15 |
< 0.05 |
< 0.05 |
1.11 |
< 0.05 |
< 0.05 |
1.18 |
< 0.05 |
< 0.05 |
1.50 |
< 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) |
7.8 |
< 2.0 |
< 2.0 |
2.3 |
< 2.0 |
< 2.0 |
4.0 |
< 2.0 |
< 2.0 |
6.0 |
< 2.0 |
< 2.0 |
4.3 |
< 2.0 |
< 2.0 |
9.5 |
3.4 |
< 2.0 |
13 |
14 |
< 2.0 |
2.3 |
5.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
2.4 |
< 2.0 |
< 2.0 |
2.5 |
< 2.0 |
3.6 |
塩化物イオン (mg/l) |
|
|
|
3.7 |
4.1 |
4.9 |
|
|
|
|
|
|
4.2 |
4.2 |
4.2 |
|
|
|
|
|
|
3.7 |
3.9 |
4.8 |
|
|
|
|
|
|
4.3 |
4.2 |
4.2 |
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.17 |
|
|
|
|
|
|
|
|
|
|
|
0.24 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,4-ジオキサン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
61 |
54 |
< 2 |
28 |
96 |
< 2 |
< 2 |
2 |
6 |
9 |
4 |
100 |
22 |
22 |
5 |
< 2 |
11 |
8 |
20 |
5 |
2 |
2 |
11 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
直鎖アルキルベンゼンスルホン酸及びその塩 (mg/l) |
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
オルトリン酸態リン (mg/l) |
< 0.003 |
0.012 |
0.008 |
< 0.003 |
0.005 |
0.016 |
< 0.003 |
0.004 |
0.01 |
< 0.003 |
0.003 |
0.035 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.006 |
0.008 |
0.003 |
0.003 |
0.011 |
< 0.003 |
< 0.003 |
0.008 |
0.004 |
0.007 |
0.006 |
0.006 |
0.006 |
0.004 |
< 0.003 |
0.003 |
0.003 |
< 0.003 |
< 0.003 |
0.003 |