測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01352 |
小川川 |
L‐16(日向ダム) |
A |
測定結果
採取年月日 |
2022.04.20 |
2022.04.20 |
2022.04.20 |
2022.05.17 |
2022.05.17 |
2022.05.17 |
2022.06.09 |
2022.06.09 |
2022.06.09 |
2022.07.18 |
2022.07.13 |
2022.07.13 |
2022.08.19 |
2022.08.19 |
2022.08.19 |
2022.09.08 |
2022.09.08 |
2022.09.08 |
2022.10.13 |
2022.10.13 |
2022.10.13 |
2022.11.11 |
2022.11.11 |
2022.11.11 |
2022.12.08 |
2022.12.08 |
2022.12.08 |
2023.01.12 |
2023.01.12 |
2023.01.12 |
2023.02.09 |
2023.02.09 |
2023.02.09 |
2023.03.04 |
2023.03.04 |
2023.03.04 |
採取時刻 |
1100 |
1131 |
1141 |
1125 |
1135 |
1140 |
1030 |
1043 |
1057 |
1025 |
1035 |
1040 |
1000 |
1015 |
1030 |
1000 |
1010 |
1025 |
1000 |
1010 |
1030 |
0950 |
1010 |
1020 |
0950 |
1010 |
1030 |
1125 |
1130 |
1140 |
1000 |
1010 |
1020 |
1030 |
1045 |
1050 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
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 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
17.0 |
17.0 |
18.0 |
18.0 |
18.0 |
18.0 |
18.0 |
18.0 |
18.0 |
22.0 |
22.0 |
22.0 |
25.0 |
25.0 |
25.0 |
21.0 |
21.0 |
21.0 |
15.0 |
15.0 |
15.0 |
10.0 |
10.0 |
10.0 |
5.0 |
5.0 |
5.0 |
11.0 |
11.0 |
11.0 |
0.0 |
0.0 |
0.0 |
8.0 |
8.0 |
8.0 |
水温 (℃) |
11.0 |
8.0 |
6.0 |
14.0 |
9.0 |
7.0 |
12.5 |
11.3 |
7.4 |
21.0 |
13.0 |
8.5 |
19.0 |
15.0 |
9.0 |
18.0 |
14.5 |
9.0 |
14.0 |
13.0 |
7.5 |
12.0 |
10.7 |
9.3 |
6.0 |
6.5 |
6.5 |
2.5 |
3.5 |
3.5 |
2.0 |
2.5 |
3.0 |
4.5 |
4.0 |
4.5 |
採取水深 (m) |
0.5 |
8.1 |
15.2 |
0.5 |
8.1 |
15.3 |
0.5 |
8.7 |
16.4 |
0.5 |
8.1 |
15.1 |
0.5 |
8.5 |
16.0 |
0.5 |
8.2 |
15.5 |
0.5 |
8.2 |
15.3 |
0.5 |
7.3 |
14.3 |
0.5 |
7.5 |
14.2 |
0.5 |
5.5 |
10.0 |
0.5 |
7.8 |
15.6 |
0.5 |
7.0 |
13.0 |
全水深 (m) |
16.2 |
16.2 |
16.2 |
16.3 |
16.2 |
16.3 |
17.4 |
17.4 |
17.4 |
16.2 |
16.2 |
16.2 |
17.0 |
17.0 |
17.0 |
16.5 |
16.5 |
16.5 |
16.3 |
16.3 |
16.3 |
15.3 |
15.3 |
15.3 |
15.2 |
15.2 |
15.2 |
11.0 |
11.0 |
11.0 |
15.6 |
15.6 |
14.0 |
14.0 |
14.0 |
14.0 |
透明度 (m) |
4.3 |
|
|
2.3 |
|
|
3.3 |
|
|
2.5 |
|
|
3.1 |
|
|
3.9 |
|
|
3.5 |
|
|
3.5 |
|
|
2.0 |
|
|
3.5 |
|
|
3.8 |
|
|
3.1 |
|
|
pH |
7.6 |
7.3 |
7.0 |
8.5 |
7.3 |
6.9 |
7.4 |
7.4 |
6.9 |
7.9 |
7.1 |
6.8 |
7.8 |
7.0 |
6.9 |
7.9 |
7.0 |
6.8 |
7.3 |
7.2 |
6.9 |
7.4 |
7.4 |
7.0 |
7.2 |
7.2 |
7.2 |
7.3 |
7.3 |
7.3 |
7.5 |
7.5 |
7.5 |
7.4 |
7.4 |
7.5 |
DO (mg/l) |
11 |
10 |
7.8 |
12 |
9.6 |
4.8 |
10 |
10 |
1.2 |
10 |
7.3 |
1.0 |
10 |
4.3 |
0.6 |
11 |
3.3 |
< 0.5 |
9.4 |
7.7 |
0.5 |
9.7 |
9.3 |
1.4 |
9.9 |
9.4 |
8.8 |
12 |
12 |
12 |
11 |
11 |
10 |
10 |
9.7 |
10 |
BOD (mg/l) |
0.9 |
0.9 |
0.5 |
1.9 |
1.8 |
1.0 |
0.7 |
0.7 |
0.5 |
2.1 |
1.9 |
1.7 |
0.8 |
2.0 |
0.5 |
1.4 |
0.8 |
1.5 |
< 0.5 |
0.6 |
1.5 |
< 0.5 |
0.9 |
1.1 |
0.8 |
< 0.5 |
0.8 |
< 0.5 |
0.5 |
0.6 |
0.6 |
< 0.5 |
0.6 |
< 0.5 |
0.6 |
0.7 |
COD (mg/l) |
1.7 |
2.0 |
1.7 |
2.6 |
2.8 |
2.3 |
3.3 |
2.9 |
3.1 |
2.4 |
3.0 |
3.1 |
2.0 |
3.1 |
3.3 |
2.4 |
2.3 |
3.7 |
1.6 |
1.8 |
4.3 |
1.7 |
1.9 |
3.2 |
1.9 |
1.9 |
2.2 |
1.4 |
1.6 |
1.7 |
1.4 |
1.2 |
1.3 |
1.6 |
1.9 |
1.6 |
SS (mg/l) |
< 1 |
2 |
1 |
2 |
< 1 |
1 |
< 1 |
2 |
3 |
1 |
1 |
2 |
2 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
5 |
< 1 |
2 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
全窒素 (mg/l) |
0.16 |
0.25 |
0.24 |
0.08 |
0.19 |
0.29 |
0.40 |
0.44 |
0.50 |
0.16 |
0.32 |
0.55 |
0.19 |
0.58 |
0.83 |
0.14 |
0.40 |
1.0 |
0.38 |
0.41 |
1.3 |
0.13 |
0.16 |
0.70 |
0.18 |
0.21 |
0.24 |
0.21 |
0.23 |
0.22 |
0.12 |
0.15 |
0.15 |
0.25 |
0.26 |
0.25 |
全燐 (mg/l) |
0.007 |
0.012 |
0.011 |
0.016 |
0.014 |
0.013 |
0.011 |
0.014 |
0.013 |
0.013 |
0.011 |
0.021 |
0.012 |
0.019 |
0.039 |
0.014 |
0.022 |
0.067 |
0.014 |
0.019 |
0.10 |
0.010 |
0.014 |
0.041 |
0.013 |
0.018 |
0.023 |
0.009 |
0.014 |
0.009 |
0.011 |
0.010 |
0.012 |
0.012 |
0.014 |
0.011 |
全亜鉛 (mg/l) |
|
|
|
< 0.001 |
0.002 |
0.001 |
|
|
|
|
|
|
< 0.001 |
0.003 |
0.002 |
|
|
|
|
|
|
< 0.001 |
0.002 |
0.002 |
|
|
|
< 0.001 |
0.003 |
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 |
|
|
|
|
|
|
大腸菌数 (個/100mL) |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
50 |
100 |
6 |
110 |
6 |
6 |
84 |
17 |
28 |
57 |
7 |
16 |
76 |
68 |
10 |
28 |
21 |
19 |
18 |
37 |
17 |
< 1 |
12 |
11 |
2 |
< 1 |
< 1 |
1 |
1 |
2 |
クロロフィル-a (ug/l) |
4 |
8 |
4 |
11 |
14 |
3 |
1 |
1 |
2 |
9 |
3.6 |
2 |
9 |
4 |
2 |
19 |
4 |
2 |
3 |
4 |
2 |
4 |
7 |
3 |
8 |
7 |
6 |
2 |
3 |
3 |
4 |
7 |
5 |
2 |
5 |
5 |
プランクトン(優占種) |
|
|
|
Thalassios |
|
|
Thalassios |
|
|
Thalassios |
|
|
Stephanodi |
|
|
Pandorina |
|
|
Thalassios |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
直鎖アルキルベンゼンスルホン酸及びその塩 (mg/l) |
|
|
|
< 0.0001 |
< 0.0001 |
< 0.0001 |
|
|
|
|
|
|
< 0.0001 |
0.0002 |
< 0.0001 |
|
|
|
|
|
|
< 0.0001 |
< 0.0001 |
0.0008 |
|
|
|
0.0001 |
0.0015 |
0.0020 |
|
|
|
|
|
|
底層溶存酸素量 (mg/L) |
|
|
7.8 |
|
|
4.8 |
|
|
1.2 |
|
|
1.0 |
|
|
0.6 |
|
|
< 0.5 |
|
|
0.5 |
|
|
1.4 |
|
|
8.8 |
|
|
12 |
|
|
10 |
|
|
10 |