測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50101 |
湯田ダム貯水池 |
L‐9(ダムサイト) |
A |
測定結果
採取年月日 |
2019.04.24 |
2019.04.24 |
2019.04.24 |
2019.05.15 |
2019.05.15 |
2019.05.15 |
2019.06.12 |
2019.06.12 |
2019.06.12 |
2019.07.10 |
2019.07.10 |
2019.07.10 |
2019.08.28 |
2019.08.28 |
2019.08.28 |
2019.09.11 |
2019.09.11 |
2019.09.11 |
2019.10.30 |
2019.10.30 |
2019.10.30 |
2019.11.27 |
2019.11.27 |
2019.11.27 |
2019.12.11 |
2019.12.11 |
2019.12.11 |
2020.01.08 |
2020.01.08 |
2020.01.08 |
2020.02.05 |
2020.02.05 |
2020.02.05 |
2020.03.04 |
2020.03.04 |
2020.03.04 |
採取時刻 |
1020 |
1124 |
1200 |
1010 |
1108 |
1145 |
1003 |
1051 |
1130 |
1010 |
1105 |
1130 |
1040 |
1130 |
1210 |
1035 |
1110 |
1135 |
1010 |
1055 |
1115 |
1000 |
1037 |
1100 |
1000 |
1100 |
1142 |
1008 |
1116 |
1152 |
1010 |
1114 |
1203 |
1005 |
1118 |
1200 |
天候 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
曇り |
曇り |
曇り |
気温 (℃) |
14.2 |
16.2 |
17.0 |
11.2 |
13.0 |
14.8 |
16.2 |
17.2 |
18.1 |
18.5 |
19.4 |
20.2 |
20.2 |
21.2 |
22.1 |
17.2 |
18.3 |
18.8 |
12.5 |
13.0 |
13.3 |
5.0 |
5.6 |
5.9 |
3.7 |
4.5 |
5.3 |
-1.2 |
-0.7 |
-0.3 |
-3.2 |
-2.9 |
-2.7 |
-1.1 |
-1.0 |
-1.0 |
水温 (℃) |
8.8 |
7.2 |
7.0 |
11.8 |
8.4 |
8.0 |
18.1 |
8.9 |
8.2 |
18.0 |
14.6 |
8.6 |
20.8 |
13.4 |
8.1 |
24.2 |
14.8 |
8.8 |
14.0 |
13.6 |
13.3 |
7.7 |
7.1 |
6.9 |
5.5 |
5.4 |
5.3 |
2.2 |
2.5 |
2.5 |
2.5 |
2.3 |
2.3 |
4.5 |
4.2 |
4.1 |
流量 (m3/s) |
128.37 |
128.37 |
128.37 |
51.50 |
51.50 |
51.50 |
52.20 |
52.20 |
52.20 |
18.80 |
18.80 |
18.80 |
18.20 |
18.20 |
18.20 |
15.50 |
15.50 |
15.50 |
27.59 |
27.59 |
27.59 |
46.56 |
46.56 |
46.56 |
55.70 |
55.70 |
55.70 |
16.17 |
16.17 |
16.17 |
16.30 |
16.30 |
16.30 |
|
|
|
採取水深 (m) |
0.50 |
30.50 |
60.00 |
0.50 |
30.00 |
59.00 |
0.50 |
27.00 |
53.00 |
0.50 |
23.50 |
46.00 |
0.50 |
21.50 |
42.00 |
0.50 |
21.50 |
42.00 |
0.50 |
30.00 |
59.00 |
0.50 |
28.50 |
56.00 |
0.50 |
30.50 |
60.00 |
0.50 |
28.00 |
55.00 |
0.50 |
26.00 |
51.00 |
0.50 |
22.50 |
44.00 |
全水深 (m) |
61.00 |
61.00 |
61.00 |
60.00 |
60.00 |
60.00 |
54.00 |
54.00 |
54.00 |
47.00 |
47.00 |
47.00 |
43.00 |
43.00 |
43.00 |
43.00 |
43.00 |
43.00 |
60.00 |
60.00 |
60.00 |
57.00 |
57.00 |
57.00 |
61.00 |
61.00 |
61.00 |
56.00 |
56.00 |
56.00 |
52.00 |
52.00 |
52.00 |
45.00 |
45.00 |
45.00 |
透明度 (m) |
1.2 |
|
|
3.5 |
|
|
2.3 |
|
|
1.6 |
|
|
1.4 |
|
|
2.5 |
|
|
1.0 |
|
|
2.0 |
|
|
2.0 |
|
|
2.0 |
|
|
1.5 |
|
|
1.5 |
|
|
前日までの降雨状況 |
なし |
なし |
なし |
前日小雨 |
前日小雨 |
前日小雨 |
4日前雨 |
4日前雨 |
4日前雨 |
6日前雨 |
6日前雨 |
6日前雨 |
3日前小雨 |
3日前小雨 |
3日前小雨 |
前日小雨 |
前日小雨 |
前日小雨 |
3日前小雨 |
3日前小雨 |
3日前小雨 |
4日前雨 |
4日前雨 |
4日前雨 |
3日前小雪 |
3日前小雪 |
3日前小雪 |
前日雪 |
前日雪 |
前日雪 |
前日雪 |
前日雪 |
前日雪 |
前日小雨 |
前日小雨 |
前日小雨 |
外観 |
微白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
茶色 |
茶色 |
茶色 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
白濁 |
微茶濁 |
微茶濁 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
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 |
6.9 |
6.9 |
6.9 |
7.0 |
6.9 |
6.8 |
7.3 |
7.1 |
6.9 |
7.4 |
6.9 |
6.7 |
7.4 |
6.8 |
6.6 |
7.4 |
6.7 |
6.5 |
7.2 |
7.1 |
6.8 |
7.1 |
7.1 |
7.0 |
7.1 |
7.1 |
7.1 |
7.1 |
7.1 |
7.0 |
7.1 |
7.1 |
7.1 |
7.0 |
7.0 |
7.0 |
DO (mg/l) |
11 |
12 |
10 |
10 |
11 |
10 |
9.4 |
10 |
8.7 |
9.0 |
8.0 |
6.5 |
7.5 |
5.3 |
2.0 |
8.2 |
4.1 |
0.7 |
9.4 |
9.1 |
7.2 |
10 |
10 |
11 |
11 |
11 |
11 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
BOD (mg/l) |
0.8 |
0.6 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.6 |
1.0 |
0.8 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.8 |
0.5 |
0.8 |
0.7 |
0.5 |
0.6 |
0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.6 |
1.6 |
1.6 |
1.6 |
1.3 |
1.6 |
2.6 |
1.6 |
1.7 |
2.4 |
3.3 |
1.6 |
3.0 |
2.7 |
2.0 |
2.1 |
2.2 |
2.0 |
3.6 |
3.1 |
3.9 |
2.4 |
2.1 |
2.1 |
1.9 |
2.0 |
1.9 |
2.2 |
2.0 |
1.9 |
1.3 |
1.3 |
1.4 |
1.9 |
1.4 |
1.3 |
SS (mg/l) |
4 |
5 |
5 |
1 |
2 |
3 |
2 |
1 |
5 |
3 |
3 |
8 |
2 |
1 |
3 |
2 |
1 |
5 |
6 |
5 |
37 |
2 |
3 |
3 |
1 |
2 |
3 |
2 |
2 |
1 |
1 |
2 |
3 |
4 |
5 |
6 |
大腸菌群数 (MPN/100ml) |
1.3E+01 |
2.3E+01 |
2.3E+01 |
2.3E+01 |
2.3E+01 |
7.8E+00 |
2.3E+01 |
1.3E+02 |
3.3E+01 |
4.9E+02 |
4.9E+02 |
3.3E+02 |
3.3E+02 |
7.9E+02 |
7.9E+02 |
1.3E+03 |
2.4E+03 |
1.3E+03 |
3.5E+04 |
4.9E+02 |
1.3E+03 |
4.9E+02 |
3.3E+02 |
1.3E+03 |
3.3E+01 |
7.9E+01 |
2.4E+02 |
7.9E+01 |
2.3E+01 |
4.9E+01 |
2.3E+01 |
2.3E+01 |
1.3E+01 |
3.3E+01 |
2.3E+01 |
3.3E+01 |
全窒素 (mg/l) |
0.39 |
0.42 |
0.41 |
0.31 |
0.35 |
0.33 |
0.31 |
0.32 |
0.44 |
0.33 |
0.35 |
0.44 |
0.31 |
0.33 |
0.46 |
0.35 |
0.40 |
0.60 |
0.50 |
0.46 |
0.73 |
0.27 |
0.26 |
0.28 |
0.37 |
0.33 |
0.34 |
0.25 |
0.31 |
0.24 |
0.24 |
0.26 |
0.31 |
0.33 |
0.34 |
0.31 |
全燐 (mg/l) |
0.011 |
0.012 |
0.013 |
0.012 |
0.013 |
0.009 |
0.010 |
0.008 |
0.016 |
0.015 |
0.015 |
0.018 |
0.015 |
0.010 |
0.016 |
0.011 |
0.009 |
0.018 |
0.027 |
0.024 |
0.052 |
0.012 |
0.012 |
0.011 |
0.016 |
0.010 |
0.011 |
0.009 |
0.009 |
0.008 |
0.009 |
0.009 |
0.010 |
0.012 |
0.013 |
0.013 |
全亜鉛 (mg/l) |
0.010 |
0.010 |
0.013 |
0.008 |
0.009 |
0.009 |
0.006 |
0.007 |
0.008 |
0.008 |
0.011 |
0.008 |
0.006 |
0.011 |
0.011 |
0.005 |
0.008 |
0.007 |
0.006 |
0.009 |
0.013 |
0.006 |
0.008 |
0.009 |
0.011 |
0.010 |
0.009 |
0.015 |
0.013 |
0.013 |
0.015 |
0.015 |
0.017 |
0.017 |
0.019 |
0.019 |
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 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
全シアン (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
鉛 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
0.001 |
|
|
|
|
|
< 0.001 |
|
|
六価クロム (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
砒素 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
0.001 |
|
|
|
|
|
0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 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) |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
0.002 |
< 0.001 |
< 0.001 |
0.001 |
< 0.001 |
0.004 |
0.002 |
0.002 |
< 0.001 |
0.001 |
< 0.001 |
< 0.001 |
0.002 |
0.001 |
0.001 |
0.001 |
< 0.001 |
0.001 |
0.002 |
0.002 |
0.002 |
< 0.001 |
0.001 |
0.001 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
< 0.05 |
< 0.05 |
< 0.05 |
0.06 |
< 0.05 |
< 0.05 |
0.11 |
< 0.05 |
< 0.05 |
0.15 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.10 |
0.08 |
0.07 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
80 |
60 |
40 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
75 |
> 100 |
85 |
80 |
80 |
> 100 |
85 |
> 100 |
> 100 |
60 |
55 |
54 |
30 |
> 100 |
> 100 |
90 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
70 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.15 |
|
|
|
|
|
|
|
|
|
|
|
0.13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
3 |
< 2 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
< 2 |
8 |
8 |
44 |
31 |
10 |
< 2 |
< 2 |
2 |
80 |
21 |
43 |
4 |
11 |
10 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 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 |
< 0.003 |
0.004 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.005 |
0.003 |
< 0.003 |
0.004 |
< 0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.003 |
0.004 |
0.005 |
0.007 |
0.017 |
0.003 |
0.004 |
0.003 |
0.008 |
< 0.003 |
0.003 |
< 0.003 |
0.003 |
0.003 |
< 0.003 |
0.003 |
< 0.003 |
0.005 |
0.005 |
0.007 |