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 |
2018.04.18 |
2018.04.18 |
2018.04.18 |
2018.05.16 |
2018.05.16 |
2018.05.16 |
2018.06.13 |
2018.06.13 |
2018.06.13 |
2018.07.11 |
2018.07.11 |
2018.07.11 |
2018.08.08 |
2018.08.08 |
2018.08.08 |
2018.09.12 |
2018.09.12 |
2018.09.12 |
2018.10.10 |
2018.10.10 |
2018.10.10 |
2018.11.14 |
2018.11.14 |
2018.11.14 |
2018.12.12 |
2018.12.12 |
2018.12.12 |
2019.01.09 |
2019.01.09 |
2019.01.09 |
2019.02.06 |
2019.02.06 |
2019.02.06 |
2019.03.06 |
2019.03.06 |
2019.03.06 |
採取時刻 |
0935 |
1043 |
1103 |
0934 |
1042 |
1101 |
1002 |
1039 |
1050 |
0932 |
1002 |
1009 |
0941 |
1021 |
1028 |
0935 |
1002 |
1012 |
0935 |
0957 |
1005 |
1020 |
1054 |
1102 |
1004 |
1030 |
1044 |
0932 |
1013 |
1045 |
0918 |
1030 |
1106 |
0855 |
0945 |
1001 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
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 |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
14.3 |
13.7 |
12.8 |
23.1 |
25.4 |
25.7 |
14.2 |
15.0 |
15.3 |
23.9 |
24.2 |
24.3 |
27.8 |
28.5 |
28.6 |
17.8 |
18.5 |
19.2 |
16.1 |
16.2 |
16.8 |
6.7 |
8.6 |
9.0 |
0.7 |
1.2 |
1.3 |
-3.2 |
-3.1 |
-2.5 |
-1.8 |
0.2 |
0.4 |
2.4 |
3.7 |
4.8 |
水温 (℃) |
10.4 |
6.0 |
5.5 |
18.2 |
8.0 |
6.0 |
17.0 |
14.8 |
5.8 |
23.8 |
15.2 |
7.8 |
23.8 |
16.5 |
7.9 |
20.9 |
19.2 |
8.1 |
17.9 |
16.2 |
8.0 |
13.7 |
11.1 |
7.0 |
7.4 |
7.2 |
6.0 |
2.8 |
3.9 |
3.9 |
2.8 |
3.2 |
3.5 |
3.3 |
3.7 |
3.5 |
流量 (m3/s) |
34.40 |
34.40 |
34.40 |
14.53 |
14.53 |
14.53 |
17.72 |
17.72 |
17.72 |
22.78 |
22.78 |
22.78 |
22.33 |
22.33 |
22.33 |
20.57 |
20.57 |
20.57 |
24.43 |
24.43 |
24.43 |
23.24 |
23.24 |
23.24 |
17.51 |
17.51 |
17.51 |
8.02 |
8.02 |
8.02 |
8.29 |
8.29 |
8.29 |
11.70 |
11.70 |
11.70 |
採取水深 (m) |
0.50 |
29.80 |
58.60 |
0.50 |
27.40 |
53.80 |
0.50 |
25.20 |
49.40 |
0.50 |
22.70 |
44.40 |
0.50 |
22.50 |
44.00 |
0.50 |
22.50 |
44.00 |
0.50 |
24.30 |
47.60 |
0.50 |
26.90 |
52.80 |
0.50 |
27.80 |
54.60 |
0.50 |
23.80 |
46.60 |
0.50 |
22.25 |
43.50 |
0.50 |
19.00 |
37.00 |
全水深 (m) |
59.60 |
59.60 |
59.60 |
54.80 |
54.80 |
54.80 |
50.40 |
50.40 |
50.40 |
45.40 |
45.40 |
45.40 |
45.00 |
45.00 |
45.00 |
45.00 |
45.00 |
45.00 |
48.60 |
48.60 |
48.60 |
53.80 |
53.80 |
53.80 |
55.60 |
55.60 |
55.60 |
47.60 |
47.60 |
47.60 |
44.50 |
44.50 |
44.50 |
38.00 |
38.00 |
38.00 |
透明度 (m) |
3.5 |
|
|
4.0 |
|
|
3.3 |
|
|
3.3 |
|
|
4.4 |
|
|
3.1 |
|
|
1.9 |
|
|
3.5 |
|
|
5.3 |
|
|
5.2 |
|
|
5.9 |
|
|
3.6 |
|
|
前日までの降雨状況 |
3日前雨 |
3日前雨 |
3日前雨 |
前々日雨 |
前々日雨 |
前々日雨 |
前日雨 |
前日雨 |
前日雨 |
3日前雨 |
3日前雨 |
3日前雨 |
前日雨 |
前日雨 |
前日雨 |
前々日雨 |
前々日雨 |
前々日雨 |
前日小雨 |
前日小雨 |
前日小雨 |
4日前小雨 |
4日前小雨 |
4日前小雨 |
前日小雪 |
前日小雪 |
前日小雪 |
4日前小雪 |
4日前小雪 |
4日前小雪 |
前々日雨 |
前々日雨 |
前々日雨 |
なし |
なし |
なし |
外観 |
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 |
茶色 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
茶色 |
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 |
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 |
下水臭 |
なし |
なし |
下水臭 |
なし |
なし |
強下水臭 |
なし |
なし |
下水臭 |
なし |
なし |
強下水臭 |
なし |
なし |
強下水臭 |
なし |
なし |
下水臭 |
なし |
なし |
強下水臭 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.6 |
7.3 |
7.0 |
8.2 |
7.5 |
7.1 |
7.5 |
7.1 |
7.0 |
8.1 |
7.1 |
6.8 |
7.5 |
7.1 |
6.9 |
7.5 |
7.2 |
6.9 |
7.7 |
7.4 |
6.9 |
7.5 |
7.5 |
7.1 |
7.5 |
7.3 |
7.1 |
7.4 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.6 |
7.4 |
7.4 |
DO (mg/l) |
12 |
11 |
10 |
10 |
10 |
6.7 |
9.8 |
8.8 |
2.3 |
9.7 |
7.3 |
2.3 |
8.1 |
5.9 |
2.5 |
8.4 |
6.7 |
2.5 |
9.8 |
7.7 |
2.0 |
8.9 |
8.7 |
2.3 |
10 |
9.0 |
2.2 |
11 |
11 |
10 |
12 |
12 |
12 |
12 |
11 |
11 |
BOD (mg/l) |
0.8 |
< 0.5 |
0.8 |
0.9 |
< 0.5 |
0.6 |
1.4 |
0.5 |
< 0.5 |
1.9 |
< 0.5 |
1.1 |
0.9 |
< 0.5 |
0.7 |
0.8 |
0.5 |
0.9 |
2.1 |
0.5 |
0.8 |
0.6 |
0.6 |
0.9 |
1.0 |
0.7 |
2.0 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
0.7 |
< 0.5 |
0.6 |
COD (mg/l) |
1.8 |
2.0 |
2.4 |
2.3 |
1.6 |
2.3 |
2.7 |
2.2 |
2.5 |
3.2 |
1.8 |
3.2 |
2.1 |
3.5 |
5.3 |
2.4 |
2.0 |
4.4 |
3.4 |
2.4 |
3.1 |
1.8 |
1.7 |
3.5 |
1.6 |
1.6 |
3.9 |
1.5 |
1.3 |
1.3 |
1.5 |
1.3 |
1.4 |
1.6 |
1.4 |
1.5 |
SS (mg/l) |
1 |
2 |
3 |
< 1 |
1 |
2 |
2 |
2 |
1 |
2 |
2 |
4 |
1 |
7 |
5 |
1 |
3 |
8 |
2 |
1 |
5 |
1 |
< 1 |
4 |
< 1 |
< 1 |
3 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
2 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
7.8E+00 |
1.3E+01 |
4.5E+00 |
4.5E+00 |
7.8E+00 |
1.3E+01 |
1.1E+03 |
2.2E+03 |
1.7E+02 |
4.9E+03 |
3.3E+02 |
1.3E+02 |
4.9E+02 |
3.3E+03 |
7.9E+02 |
1.3E+03 |
7.9E+02 |
3.3E+03 |
1.7E+03 |
1.1E+03 |
4.9E+02 |
4.9E+02 |
3.3E+02 |
4.9E+02 |
7.9E+01 |
3.3E+01 |
2.4E+02 |
4.5E+00 |
7.8E+00 |
7.8E+00 |
2.3E+01 |
2.3E+01 |
1.3E+01 |
2.0E+00 |
4.5E+00 |
2.3E+01 |
全窒素 (mg/l) |
0.54 |
0.86 |
1.0 |
0.37 |
0.69 |
0.95 |
0.53 |
0.65 |
1.1 |
0.59 |
0.56 |
1.2 |
0.46 |
0.77 |
2.1 |
0.47 |
0.60 |
1.5 |
0.62 |
0.63 |
1.1 |
0.43 |
0.46 |
1.5 |
0.41 |
0.53 |
1.7 |
0.41 |
0.42 |
0.41 |
0.42 |
0.40 |
0.43 |
0.42 |
0.44 |
0.44 |
全燐 (mg/l) |
0.010 |
0.024 |
0.034 |
0.010 |
0.016 |
0.028 |
0.026 |
0.023 |
0.019 |
0.022 |
0.016 |
0.031 |
0.011 |
0.041 |
0.033 |
0.012 |
0.024 |
0.042 |
0.035 |
0.025 |
0.039 |
0.007 |
0.011 |
0.036 |
0.008 |
0.010 |
0.039 |
0.007 |
0.007 |
0.007 |
0.006 |
0.007 |
0.008 |
0.008 |
0.010 |
0.011 |
全亜鉛 (mg/l) |
0.003 |
0.003 |
0.003 |
0.001 |
0.002 |
0.002 |
0.003 |
0.002 |
0.002 |
0.002 |
0.001 |
0.002 |
0.001 |
0.003 |
0.005 |
0.001 |
0.002 |
0.003 |
0.002 |
0.001 |
0.002 |
< 0.001 |
< 0.001 |
0.004 |
< 0.001 |
0.001 |
0.002 |
0.003 |
0.001 |
0.002 |
0.005 |
0.001 |
0.001 |
0.002 |
0.001 |
0.002 |
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) |
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
0.004 |
0.006 |
0.008 |
0.002 |
< 0.001 |
0.010 |
0.004 |
0.003 |
0.003 |
0.004 |
0.003 |
0.015 |
0.012 |
0.007 |
< 0.001 |
0.003 |
0.003 |
0.002 |
0.008 |
0.009 |
0.012 |
0.002 |
0.015 |
< 0.001 |
0.002 |
0.003 |
0.002 |
0.004 |
0.004 |
0.004 |
0.006 |
0.007 |
0.007 |
0.002 |
0.004 |
< 0.001 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.06 |
|
|
|
|
|
|
|
|
|
|
|
0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
< 0.05 |
0.10 |
< 0.05 |
< 0.05 |
0.26 |
< 0.05 |
< 0.05 |
0.55 |
< 0.05 |
< 0.05 |
0.52 |
< 0.05 |
< 0.05 |
1.2 |
< 0.05 |
< 0.05 |
0.96 |
< 0.05 |
< 0.05 |
0.76 |
< 0.05 |
< 0.05 |
0.87 |
< 0.05 |
0.08 |
1.1 |
< 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 |
< 2.0 |
< 2.0 |
3.7 |
< 2.0 |
< 2.0 |
12 |
< 2.0 |
< 2.0 |
13 |
< 2.0 |
< 2.0 |
3.7 |
< 2.0 |
< 2.0 |
5.2 |
< 2.0 |
< 2.0 |
13 |
< 2.0 |
< 2.0 |
3.5 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
6.1 |
3.9 |
4.5 |
透視度 |
> 100 |
> 100 |
76 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
80 |
> 100 |
> 100 |
40 |
> 100 |
> 100 |
40 |
> 100 |
> 100 |
60 |
> 100 |
> 100 |
80 |
> 100 |
> 100 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
|
3.8 |
4.6 |
5.3 |
|
|
|
|
|
|
4.0 |
3.7 |
5.0 |
|
|
|
|
|
|
3.8 |
3.8 |
5.0 |
|
|
|
|
|
|
4.1 |
4.1 |
4.1 |
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.29 |
|
|
|
|
|
|
|
|
|
|
|
0.34 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
4 |
16 |
7 |
8 |
64 |
2 |
10 |
560 |
14 |
16 |
15 |
42 |
40 |
100 |
44 |
6 |
4 |
12 |
< 2 |
2 |
4 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
4 |
< 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 |
0.010 |
0.014 |
< 0.003 |
0.007 |
0.008 |
0.003 |
0.017 |
0.005 |
< 0.003 |
0.005 |
< 0.003 |
< 0.003 |
0.018 |
0.006 |
< 0.003 |
0.014 |
0.012 |
0.004 |
0.011 |
0.011 |
< 0.003 |
0.006 |
0.016 |
< 0.003 |
0.004 |
0.005 |
0.003 |
0.003 |
0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.003 |
0.003 |