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 |
2018.04.23 |
2018.04.23 |
2018.04.23 |
2018.05.16 |
2018.05.16 |
2018.05.16 |
2018.06.20 |
2018.06.20 |
2018.06.20 |
2018.07.25 |
2018.07.25 |
2018.07.25 |
2018.08.29 |
2018.08.29 |
2018.08.29 |
2018.09.19 |
2018.09.19 |
2018.09.19 |
2018.10.17 |
2018.10.17 |
2018.10.17 |
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 |
1010 |
1117 |
1205 |
1010 |
1112 |
1148 |
1025 |
1119 |
1203 |
1010 |
1112 |
1150 |
1015 |
1102 |
1150 |
1020 |
1057 |
1137 |
1010 |
1114 |
1145 |
1050 |
1140 |
1227 |
1005 |
1120 |
1157 |
1010 |
1115 |
1150 |
1015 |
1050 |
1124 |
1005 |
1108 |
1153 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
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 (℃) |
9.0 |
10.2 |
11.1 |
21.2 |
21.9 |
22.3 |
17.1 |
17.7 |
18.0 |
24.5 |
26.4 |
27.5 |
18.1 |
18.6 |
19.4 |
18.1 |
19.2 |
20.4 |
11.1 |
13.2 |
14.3 |
10.1 |
10.7 |
11.4 |
-3.0 |
-2.8 |
-2.7 |
-2.9 |
-2.6 |
-2.6 |
-3.8 |
-3.4 |
-3.2 |
2.3 |
3.4 |
4.8 |
水温 (℃) |
7.2 |
6.8 |
6.3 |
12.8 |
9.1 |
8.0 |
14.5 |
10.2 |
9.8 |
24.2 |
17.0 |
12.9 |
20.6 |
17.0 |
11.8 |
19.5 |
16.8 |
12.0 |
16.0 |
15.0 |
11.0 |
11.3 |
10.8 |
10.0 |
5.5 |
5.8 |
5.8 |
0.5 |
0.9 |
0.9 |
1.2 |
1.4 |
1.5 |
4.0 |
4.0 |
4.0 |
流量 (m3/s) |
159.68 |
159.68 |
159.68 |
50.50 |
50.50 |
50.50 |
54.00 |
54.00 |
54.00 |
21.90 |
21.90 |
21.90 |
18.50 |
18.50 |
18.50 |
20.81 |
20.81 |
20.81 |
15.40 |
15.40 |
15.40 |
14.40 |
14.40 |
14.40 |
16.00 |
16.00 |
16.00 |
15.20 |
15.20 |
15.20 |
16.10 |
16.10 |
16.10 |
0.00 |
0.00 |
0.00 |
採取水深 (m) |
0.50 |
31.00 |
61.00 |
0.50 |
30.50 |
60.00 |
0.50 |
26.00 |
51.00 |
0.50 |
23.50 |
46.00 |
0.50 |
21.50 |
42.00 |
0.50 |
21.50 |
42.00 |
0.50 |
23.50 |
46.00 |
0.50 |
27.0 |
53.00 |
0.50 |
29.00 |
57.00 |
0.50 |
29.50 |
58.00 |
0.50 |
7.50 |
14.00 |
0.50 |
21.50 |
42.00 |
全水深 (m) |
62.00 |
62.00 |
62.00 |
61.00 |
61.00 |
61.00 |
52.00 |
52.00 |
52.00 |
47.00 |
47.00 |
47.00 |
43.00 |
43.00 |
43.00 |
43.00 |
43.00 |
43.00 |
47.00 |
47.00 |
47.00 |
54.00 |
54.00 |
54.00 |
58.00 |
58.00 |
58.00 |
59.00 |
59.00 |
59.00 |
15.00 |
15.00 |
15.00 |
43.00 |
43.00 |
43.00 |
透明度 (m) |
0.8 |
|
|
1.3 |
|
|
2.0 |
|
|
2.0 |
|
|
1.5 |
|
|
1.6 |
|
|
1.1 |
|
|
2.0 |
|
|
3.0 |
|
|
2.5 |
|
|
2.0 |
|
|
2.0 |
|
|
前日までの降雨状況 |
4日前小雨 |
4日前小雨 |
4日前小雨 |
前々日雨 |
前々日雨 |
前々日雨 |
6日前雨 |
6日前雨 |
6日前雨 |
なし |
なし |
なし |
前日雨 |
前日雨 |
前日雨 |
前々日雨 |
前々日雨 |
前々日雨 |
3日前雨 |
3日前雨 |
3日前雨 |
2日前小雨 |
2日前小雨 |
2日前小雨 |
前日小雪 |
前日小雪 |
前日小雪 |
前日雪 |
前日雪 |
前日雪 |
前々日雨 |
前々日雨 |
前々日雨 |
前日小雪 |
前日小雪 |
前日小雪 |
外観 |
白濁 |
白濁 |
白濁 |
無色澄明 |
白濁 |
白濁 |
無色澄明 |
白濁 |
微白濁 |
無色澄明 |
白濁 |
微白濁 |
無色澄明 |
微茶濁 |
白濁 |
無色澄明 |
微白濁 |
白濁 |
無色澄明 |
微白濁 |
微白濁 |
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 |
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 |
6.8 |
6.8 |
6.8 |
7.1 |
7.0 |
7.0 |
7.2 |
6.9 |
6.6 |
7.6 |
6.9 |
6.6 |
7.1 |
6.9 |
6.6 |
7.3 |
7.0 |
6.6 |
7.4 |
7.1 |
6.8 |
7.2 |
7.0 |
7.0 |
7.2 |
7.2 |
7.2 |
7.1 |
7.0 |
7.0 |
7.0 |
7.0 |
6.9 |
6.8 |
6.8 |
6.8 |
DO (mg/l) |
12 |
12 |
12 |
11.0 |
11 |
10 |
9.6 |
10 |
8.3 |
9.3 |
9.9 |
3.9 |
7.8 |
8.9 |
1.0 |
9.2 |
8.8 |
0.9 |
9.8 |
8.8 |
0.8 |
10 |
10 |
10 |
11 |
11 |
11 |
13 |
13 |
12 |
12 |
12 |
12 |
11 |
12 |
12 |
BOD (mg/l) |
0.6 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.5 |
0.5 |
0.5 |
< 0.5 |
0.5 |
< 0.5 |
0.7 |
< 0.5 |
0.7 |
0.5 |
0.7 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.3 |
1.3 |
1.3 |
1.2 |
1.4 |
1.3 |
2.0 |
2.1 |
2.7 |
1.7 |
3.2 |
2.2 |
1.8 |
2.9 |
2.7 |
1.8 |
2.4 |
2.9 |
2.3 |
1.7 |
4.2 |
1.7 |
2.3 |
2.4 |
1.9 |
1.8 |
1.8 |
1.4 |
1.2 |
1.3 |
1.4 |
1.2 |
1.2 |
1.3 |
1.2 |
1.6 |
SS (mg/l) |
6 |
7 |
9 |
2 |
5 |
8 |
2 |
8 |
27 |
2 |
13 |
13 |
4 |
7 |
21 |
3 |
4 |
24 |
4 |
5 |
19 |
1 |
1 |
3 |
2 |
1 |
2 |
< 1 |
< 1 |
1 |
1 |
< 1 |
< 1 |
3 |
3 |
15 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
3.3E+01 |
1.3E+02 |
3.3E+01 |
3.3E+01 |
4.9E+01 |
1.3E+02 |
7.9E+01 |
1.3E+02 |
2.3E+01 |
1.7E+02 |
1.3E+02 |
7.9E+02 |
3.3E+02 |
7.9E+02 |
7.9E+02 |
2.4E+03 |
7.9E+02 |
3.3E+02 |
1.3E+02 |
3.3E+02 |
3.3E+02 |
3.3E+02 |
2.4E+02 |
3.3E+02 |
1.7E+02 |
3.3E+02 |
4.9E+01 |
4.9E+01 |
7.9E+01 |
3.3E+01 |
2.3E+01 |
3.3E+01 |
3.3E+01 |
1.7E+01 |
1.1E+02 |
全窒素 (mg/l) |
0.35 |
0.37 |
0.39 |
0.31 |
0.39 |
0.42 |
0.29 |
0.60 |
0.78 |
0.28 |
0.76 |
0.53 |
0.32 |
0.42 |
0.55 |
0.32 |
0.38 |
0.59 |
0.32 |
0.28 |
0.67 |
0.23 |
0.25 |
0.31 |
0.25 |
0.23 |
0.26 |
0.20 |
0.21 |
0.22 |
0.25 |
0.25 |
0.27 |
0.35 |
0.38 |
0.49 |
全燐 (mg/l) |
0.021 |
0.023 |
0.025 |
0.015 |
0.020 |
0.026 |
0.013 |
0.033 |
0.058 |
0.015 |
0.045 |
0.031 |
0.015 |
0.022 |
0.033 |
0.013 |
0.018 |
0.040 |
0.022 |
0.020 |
0.038 |
0.008 |
0.009 |
0.013 |
0.010 |
0.009 |
0.009 |
0.006 |
0.006 |
0.006 |
0.006 |
0.006 |
0.006 |
0.007 |
0.009 |
0.024 |
全亜鉛 (mg/l) |
0.012 |
0.011 |
0.011 |
0.008 |
0.009 |
0.008 |
0.007 |
0.009 |
0.011 |
0.005 |
0.014 |
0.011 |
0.006 |
0.007 |
0.012 |
0.005 |
0.010 |
0.022 |
0.006 |
0.008 |
0.015 |
0.007 |
0.010 |
0.010 |
0.010 |
0.008 |
0.009 |
0.012 |
0.016 |
0.013 |
0.016 |
0.017 |
0.014 |
0.016 |
0.016 |
0.015 |
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 |
0.006 |
0.001 |
0.001 |
< 0.001 |
< 0.001 |
0.002 |
0.001 |
0.002 |
0.002 |
0.001 |
0.003 |
0.015 |
0.001 |
0.003 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
0.001 |
0.002 |
0.002 |
0.002 |
0.001 |
0.001 |
0.001 |
0.001 |
0.001 |
0.006 |
0.003 |
0.004 |
< 0.001 |
< 0.001 |
< 0.001 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
0.06 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
0.09 |
< 0.05 |
< 0.05 |
0.11 |
< 0.05 |
< 0.05 |
0.24 |
< 0.05 |
< 0.05 |
0.35 |
< 0.05 |
< 0.05 |
0.07 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.06 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
7.4 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
3.3 |
< 2.0 |
< 2.0 |
8.4 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
透視度 |
50 |
50 |
45 |
> 100 |
55 |
40 |
> 100 |
35 |
25 |
> 100 |
17 |
35 |
> 100 |
60 |
20 |
> 100 |
80 |
20 |
90 |
75 |
22 |
> 100 |
> 100 |
90 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.08 |
|
|
|
|
|
|
|
|
|
|
|
0.10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
4 |
2 |
4 |
7 |
10 |
2 |
33 |
11 |
12 |
32 |
48 |
19 |
160 |
130 |
5 |
18 |
39 |
< 2 |
2 |
4 |
7 |
4 |
6 |
< 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) |
0.005 |
0.005 |
0.005 |
0.003 |
< 0.003 |
0.004 |
< 0.003 |
0.011 |
0.017 |
0.003 |
0.017 |
0.009 |
< 0.003 |
0.005 |
0.010 |
0.004 |
0.006 |
0.013 |
0.005 |
0.007 |
0.013 |
< 0.003 |
0.004 |
0.004 |
0.003 |
0.003 |
0.003 |
0.004 |
0.003 |
0.003 |
< 0.003 |
< 0.003 |
< 0.003 |
0.003 |
0.005 |
0.009 |