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 |
2006.04.19 |
2006.05.10 |
2006.06.07 |
2006.07.05 |
2006.08.02 |
2006.09.06 |
2006.10.04 |
2006.11.08 |
2006.12.06 |
2007.01.10 |
2007.02.06 |
2007.03.01 |
2006.04.19 |
2006.05.10 |
2006.06.07 |
2006.07.05 |
2006.08.02 |
2006.09.06 |
2006.10.04 |
2006.11.08 |
2006.12.06 |
2007.01.10 |
2007.02.06 |
2007.03.01 |
2006.04.19 |
2006.05.10 |
2006.06.07 |
2006.07.05 |
2006.08.02 |
2006.09.06 |
2006.10.04 |
2006.11.08 |
2006.12.06 |
2007.01.10 |
2007.02.06 |
2007.03.01 |
採取時刻 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
水温 (℃) |
7.9 |
12.1 |
13 |
14.7 |
18.1 |
20.4 |
15.1 |
10.3 |
5.6 |
5.1 |
3.3 |
4.1 |
5.8 |
8.5 |
7.6 |
8.6 |
9 |
9.2 |
10.1 |
10 |
5.5 |
5 |
4 |
4 |
5.2 |
5.7 |
5.4 |
6.9 |
6.2 |
6.3 |
6.4 |
7.3 |
5.4 |
4.7 |
3.6 |
3.9 |
採取水深 (m) |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
9 |
9 |
8 |
9 |
8 |
9 |
9 |
9 |
9 |
9 |
8 |
9 |
16 |
16 |
14 |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
全水深 (m) |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
pH |
7.8 |
8.2 |
7.9 |
7.8 |
8.7 |
8.0 |
7.8 |
7.6 |
7.6 |
7.4 |
7.6 |
7.9 |
7.6 |
7.6 |
7.3 |
7.1 |
7.0 |
7.2 |
7.0 |
7.5 |
7.6 |
7.4 |
7.5 |
7.8 |
7.5 |
7.3 |
7.1 |
6.9 |
7.0 |
7.2 |
7.1 |
7.0 |
7.5 |
7.5 |
7.5 |
7.8 |
DO (mg/l) |
10 |
11 |
10 |
9.5 |
11 |
9.8 |
10 |
9.3 |
11 |
11 |
11 |
13 |
10 |
11 |
7.5 |
4.9 |
1.6 |
2.9 |
< 0.5 |
9.1 |
11 |
11 |
11 |
13 |
9.4 |
6.7 |
3.1 |
< 0.5 |
< 0.5 |
2.8 |
0.5 |
< 0.5 |
11 |
12 |
10 |
12 |
BOD (mg/l) |
1.4 |
1.7 |
1.6 |
1.6 |
1.9 |
3.4 |
1.5 |
1.1 |
1.8 |
1.6 |
1.3 |
2.6 |
1.8 |
1.6 |
1.5 |
0.9 |
0.9 |
0.9 |
< 0.5 |
0.8 |
1.4 |
1.5 |
1.5 |
3.2 |
1.3 |
0.8 |
< 0.5 |
< 0.5 |
1.3 |
2.5 |
3.8 |
3.9 |
1.0 |
1.3 |
2.0 |
3.1 |
COD (mg/l) |
1.3 |
1.8 |
1.5 |
1.5 |
2.1 |
2.8 |
2.1 |
1.7 |
1.9 |
1.8 |
1.2 |
2.0 |
1.3 |
1.7 |
1.7 |
1.5 |
1.7 |
1.5 |
2.3 |
1.6 |
1.7 |
1.8 |
1.1 |
2.2 |
1.2 |
1.3 |
1.5 |
1.7 |
1.6 |
2.6 |
4.3 |
5.1 |
2 |
2.2 |
1.2 |
2.1 |
SS (mg/l) |
2 |
2 |
2 |
2 |
2 |
2 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
2 |
2 |
2 |
3 |
2 |
2 |
2 |
1 |
1 |
1 |
3 |
1 |
4 |
2 |
2 |
2 |
3 |
2 |
3 |
2 |
2 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
33 |
33 |
3500 |
2400 |
790 |
3500 |
1700 |
490 |
240 |
240 |
49 |
13 |
79 |
110 |
330 |
1400 |
790 |
1300 |
1300 |
490 |
240 |
240 |
79 |
13 |
110 |
33 |
170 |
490 |
330 |
490 |
790 |
330 |
130 |
170 |
33 |
17 |
全窒素 (mg/l) |
0.12 |
0.18 |
0.17 |
0.22 |
0.13 |
0.20 |
0.33 |
0.24 |
0.34 |
0.27 |
0.14 |
0.14 |
0.14 |
0.20 |
0.29 |
0.46 |
0.56 |
0.37 |
0.38 |
0.25 |
0.24 |
0.26 |
0.17 |
0.13 |
0.11 |
0.33 |
0.49 |
0.67 |
0.58 |
0.66 |
1.0 |
0.60 |
0.32 |
0.27 |
0.18 |
0.14 |
全燐 (mg/l) |
0.008 |
0.015 |
0.020 |
0.021 |
0.018 |
0.018 |
0.017 |
0.016 |
0.016 |
0.016 |
0.013 |
0.016 |
0.009 |
0.018 |
0.020 |
0.017 |
0.014 |
0.025 |
0.023 |
0.018 |
0.016 |
0.017 |
0.016 |
0.016 |
0.007 |
0.020 |
0.017 |
0.015 |
0.021 |
0.022 |
0.13 |
0.11 |
0.017 |
0.019 |
0.016 |
0.016 |
クロロフィル-a (ug/l) |
3 |
9 |
6 |
5 |
11 |
7 |
< 1 |
< 1 |
< 1 |
< 1 |
3 |
14 |
3 |
7 |
11 |
6 |
2 |
5 |
< 1 |
1 |
1 |
< 1 |
2 |
13 |
1 |
< 1 |
1 |
2 |
2 |
< 1 |
3 |
< 1 |
1 |
< 1 |
2 |
13 |
プランクトン(優占種) |
|
Thalassios |
黄金色藻網 |
Thalassios |
Thalassios |
Cryptophyc |
Thalassios |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|