測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 26002 |
鷹生川 |
Ｌ-２３（鷹生ダム貯水池） |
|
測定結果
| 採取年月日 |
2012.04.25 |
2012.05.21 |
2012.06.13 |
2012.07.18 |
2012.08.07 |
2012.09.12 |
2012.10.17 |
2012.11.14 |
2012.12.12 |
2013.01.17 |
2013.02.04 |
2013.03.04 |
2012.04.25 |
2012.05.21 |
2012.06.13 |
2012.07.18 |
2012.08.07 |
2012.09.12 |
2012.10.17 |
2012.11.14 |
2012.12.12 |
2013.01.17 |
2013.02.04 |
2013.03.04 |
2012.04.25 |
2012.05.21 |
2012.06.13 |
2012.07.18 |
2012.08.07 |
2012.09.12 |
2012.10.17 |
2012.11.14 |
2012.12.12 |
2013.01.17 |
2013.02.04 |
2013.03.04 |
| 採取時刻 |
1140 |
1037 |
1008 |
1200 |
1017 |
1101 |
1207 |
1010 |
0958 |
0842 |
0930 |
1012 |
1150 |
1042 |
1012 |
1215 |
1025 |
1110 |
1211 |
1020 |
1005 |
0850 |
0937 |
1022 |
1200 |
1047 |
1018 |
1230 |
1030 |
1122 |
1220 |
1045 |
1016 |
0857 |
0947 |
1032 |
| 気温 (℃) |
18.2 |
22.8 |
15.4 |
26.5 |
27.6 |
24.2 |
19 |
10.4 |
2.5 |
-4 |
1 |
5.2 |
18.2 |
22.8 |
15.4 |
26.5 |
27.6 |
24.2 |
19 |
10.4 |
2.5 |
-4 |
1 |
5.2 |
18.2 |
22.8 |
15.4 |
26.5 |
27.6 |
24.2 |
19 |
10.4 |
2.5 |
-4 |
1 |
5.2 |
| 水温 (℃) |
10.9 |
15.2 |
16.6 |
23.5 |
26 |
25.8 |
15.8 |
10.4 |
4.9 |
1.1 |
2 |
1.7 |
5.6 |
6.1 |
7.7 |
14.5 |
8.1 |
8.3 |
8.9 |
10.1 |
4.8 |
1.7 |
2 |
3 |
5.4 |
5.8 |
5.5 |
7.5 |
6 |
6.3 |
6.3 |
5.9 |
4.5 |
2.1 |
2.4 |
3 |
| 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 |
16.1 |
15.55 |
16.2 |
16 |
15.3 |
13 |
14.4 |
16.4 |
16.05 |
16.0 |
16.7 |
15.65 |
28.98 |
27.99 |
29.16 |
28.8 |
27.54 |
23.4 |
25.92 |
29.52 |
28.89 |
28.8 |
30.06 |
28.17 |
| 全水深 (m) |
32.2 |
31.1 |
32.4 |
32 |
30.6 |
26 |
28.8 |
32.8 |
32.1 |
32.0 |
33.4 |
31.3 |
32.2 |
31.1 |
32.4 |
32 |
30.6 |
26 |
28.8 |
32.8 |
32.1 |
32.0 |
33.4 |
31.3 |
32.2 |
31.1 |
32.4 |
32 |
30.6 |
26 |
28.8 |
32.8 |
32.1 |
32.0 |
33.4 |
31.3 |
| pH |
7.4 |
7.4 |
7.5 |
7.7 |
7.7 |
8.4 |
7.5 |
7.2 |
7.2 |
7.3 |
7.2 |
7.1 |
7.2 |
7.2 |
6.9 |
6.7 |
6.8 |
6.7 |
6.6 |
7.2 |
7.1 |
7.1 |
7.1 |
7.0 |
7.2 |
7.0 |
6.9 |
6.7 |
6.8 |
6.6 |
6.6 |
6.7 |
7.1 |
7.1 |
6.9 |
6.9 |
| DO (mg/l) |
11 |
11 |
11 |
8.6 |
8.8 |
9.6 |
10 |
10 |
11 |
13 |
12 |
12 |
11 |
11 |
10 |
7.7 |
7.6 |
5.9 |
2.9 |
10 |
11 |
12 |
12 |
12 |
11 |
11 |
9.6 |
6.4 |
6.6 |
3.0 |
0.7 |
1.2 |
11 |
12 |
10 |
10 |
| BOD (mg/l) |
1.0 |
1.4 |
0.8 |
2.6 |
1.0 |
3.4 |
1.4 |
0.6 |
1.1 |
0.7 |
0.8 |
0.9 |
0.8 |
0.7 |
< 0.5 |
< 0.5 |
0.7 |
0.6 |
< 0.5 |
0.5 |
1.0 |
0.7 |
0.7 |
0.7 |
< 0.5 |
0.7 |
0.6 |
0.7 |
0.9 |
1.3 |
1.1 |
1.0 |
0.8 |
1.1 |
0.8 |
0.7 |
| COD (mg/l) |
2.1 |
1.7 |
2.4 |
2.0 |
1.6 |
2.7 |
3.8 |
2.8 |
2.5 |
1.8 |
1.6 |
1.4 |
1.5 |
2.0 |
2.2 |
2.0 |
2.4 |
1.6 |
2.8 |
2.6 |
2.6 |
1.5 |
1.5 |
1.6 |
2.1 |
2.1 |
1.7 |
1.7 |
1.8 |
1.9 |
2.9 |
2.9 |
2.5 |
1.6 |
2.1 |
2.0 |
| SS (mg/l) |
2 |
1 |
1 |
< 1 |
1 |
2 |
3 |
< 1 |
2 |
2 |
< 1 |
1 |
2 |
1 |
1 |
< 1 |
1 |
1 |
2 |
1 |
2 |
< 1 |
1 |
< 1 |
3 |
1 |
1 |
1 |
< 1 |
3 |
7 |
3 |
2 |
1 |
< 1 |
1 |
| 大腸菌群数 (MPN/100ml) |
1.3E+01 |
7.9E+01 |
3.5E+02 |
3.5E+02 |
4.9E+02 |
7.9E+02 |
4.9E+02 |
3.3E+02 |
2.4E+02 |
2.0E+00 |
< 1.8E+00 |
4.0E+00 |
1.7E+01 |
3.3E+01 |
4.9E+01 |
1.3E+02 |
4.9E+01 |
7.9E+01 |
3.3E+02 |
4.9E+02 |
2.4E+02 |
4.0E+00 |
4.0E+00 |
4.0E+00 |
4.0E+00 |
4.0E+00 |
4.9E+01 |
4.9E+01 |
4.9E+01 |
1.3E+02 |
4.9E+02 |
7.9E+01 |
1.7E+02 |
2.0E+00 |
< 1.8E+00 |
< 1.8E+00 |
| 全窒素 (mg/l) |
0.53 |
0.35 |
0.41 |
0.56 |
0.37 |
0.18 |
0.49 |
0.45 |
0.47 |
0.35 |
0.36 |
0.35 |
0.59 |
0.58 |
0.52 |
0.58 |
0.54 |
0.50 |
0.69 |
0.43 |
0.46 |
0.35 |
0.36 |
0.33 |
0.65 |
0.61 |
0.57 |
0.68 |
0.63 |
0.71 |
1.1 |
0.61 |
0.48 |
0.37 |
0.54 |
0.44 |
| 全燐 (mg/l) |
0.006 |
0.006 |
0.007 |
0.005 |
0.006 |
0.009 |
0.021 |
0.007 |
0.008 |
0.004 |
0.004 |
0.006 |
0.005 |
0.005 |
0.005 |
0.006 |
0.006 |
0.006 |
0.021 |
0.007 |
0.008 |
0.004 |
0.009 |
0.004 |
0.007 |
0.007 |
0.006 |
0.006 |
0.005 |
0.014 |
0.026 |
0.017 |
0.009 |
0.005 |
0.007 |
0.005 |
| クロロフィル-a (ug/l) |
1 |
2 |
< 1 |
< 1 |
1 |
7 |
10 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
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| プランクトン(優占種) |
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Cryptophyc |
Cyclotella |
Dinobryon |
Radiococca |
Cyclotella |
Uroglena a |
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