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 |
2009.04.23 |
2009.05.13 |
2009.06.17 |
2009.07.15 |
2009.08.19 |
2009.09.16 |
2009.10.14 |
2009.11.19 |
2009.12.16 |
2010.01.13 |
2010.02.04 |
2010.03.08 |
2009.04.23 |
2009.05.13 |
2009.06.17 |
2009.07.15 |
2009.08.19 |
2009.09.16 |
2009.10.14 |
2009.11.19 |
2009.12.16 |
2010.01.13 |
2010.02.04 |
2010.03.08 |
2009.04.23 |
2009.05.13 |
2009.06.17 |
2009.07.15 |
2009.08.19 |
2009.09.16 |
2009.10.14 |
2009.11.19 |
2009.12.16 |
2010.01.13 |
2010.02.04 |
2010.03.08 |
採取時刻 |
1140 |
1115 |
1114 |
1117 |
1010 |
1043 |
1125 |
1105 |
1115 |
1100 |
1133 |
1100 |
1150 |
1120 |
1121 |
1122 |
1016 |
1049 |
1130 |
1115 |
1125 |
1108 |
1147 |
1105 |
1155 |
1120 |
1130 |
1133 |
1021 |
1055 |
1137 |
1131 |
1135 |
1120 |
1155 |
1115 |
気温 (℃) |
11.5 |
16.5 |
14.8 |
29.2 |
19.5 |
24.0 |
18.0 |
7.2 |
3.6 |
1.6 |
-3.0 |
2.0 |
11.5 |
16.5 |
14.8 |
29.2 |
19.5 |
24.0 |
18.0 |
7.2 |
3.6 |
1.6 |
-3.0 |
2.0 |
11.5 |
16.5 |
14.8 |
29.2 |
19.5 |
24.0 |
18.0 |
7.2 |
3.6 |
1.6 |
-3.0 |
2.0 |
水温 (℃) |
9.3 |
14.4 |
15.4 |
22.2 |
21.9 |
19.4 |
14.1 |
9.6 |
5.9 |
2.0 |
1.1 |
2.7 |
5.5 |
7.6 |
10.7 |
13.8 |
16.9 |
17.5 |
13.6 |
9.2 |
5.7 |
2.5 |
1.4 |
2.9 |
5.0 |
5.6 |
6.9 |
9.1 |
7.1 |
8.0 |
7.5 |
6.6 |
5.3 |
2.5 |
1.6 |
3.2 |
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 |
16.5 |
16 |
17.5 |
15.9 |
16 |
16 |
16 |
16.2 |
16.15 |
15.75 |
15.5 |
15.75 |
32 |
31 |
34 |
30.8 |
31 |
31 |
31 |
31.4 |
31.2 |
30.5 |
30 |
30.5 |
全水深 (m) |
33 |
32 |
35 |
31.8 |
32 |
32 |
32 |
32.4 |
32.3 |
31.5 |
31 |
31.5 |
33 |
32 |
35 |
31.8 |
32 |
32 |
32 |
32.4 |
32.3 |
31.5 |
31 |
31.5 |
33 |
32 |
35 |
31.8 |
32 |
32 |
32 |
32.4 |
32.3 |
31.5 |
31 |
31.5 |
pH |
7.2 |
7.4 |
7.6 |
7.8 |
8.0 |
7.6 |
7.3 |
7.1 |
7.2 |
7.4 |
7.3 |
7.2 |
7.3 |
7.1 |
7.0 |
6.8 |
6.9 |
7.0 |
7.2 |
6.9 |
7.2 |
7.2 |
7.3 |
7.2 |
7.1 |
7.1 |
7.1 |
6.8 |
6.8 |
6.6 |
6.9 |
6.4 |
7.2 |
7.2 |
7.2 |
7.2 |
DO (mg/l) |
11 |
10 |
11 |
9.2 |
9.7 |
9.5 |
9.1 |
10 |
11 |
12 |
13 |
13 |
11 |
11 |
9.9 |
7.7 |
4.8 |
8.3 |
8.9 |
10 |
11 |
12 |
13 |
12 |
11 |
10 |
10 |
8.4 |
6.7 |
4.1 |
2.5 |
3.1 |
11 |
12 |
13 |
12 |
BOD (mg/l) |
0.6 |
1.1 |
1.6 |
1.8 |
0.6 |
1.1 |
1.3 |
1.0 |
0.8 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
0.6 |
0.8 |
1.1 |
1.7 |
0.7 |
0.5 |
< 0.5 |
0.9 |
0.8 |
0.6 |
< 0.5 |
< 0.5 |
0.8 |
1.0 |
0.6 |
0.9 |
< 0.5 |
0.8 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
0.7 |
COD (mg/l) |
2.8 |
1.7 |
2.4 |
2.1 |
2.0 |
2.1 |
4.3 |
2.1 |
2.0 |
1.6 |
1.2 |
1.5 |
1.3 |
1.3 |
1.9 |
1.9 |
2.4 |
2.0 |
4.3 |
2.6 |
2.2 |
1.8 |
1.2 |
1.6 |
1.4 |
1.3 |
1.3 |
2.3 |
1.6 |
2.1 |
4.3 |
2.7 |
2.4 |
1.7 |
1.3 |
1.6 |
SS (mg/l) |
3 |
1 |
2 |
< 1 |
1 |
1 |
1 |
1 |
2 |
< 1 |
< 1 |
< 1 |
1 |
2 |
2 |
1 |
1 |
2 |
2 |
2 |
3 |
< 1 |
< 1 |
< 1 |
1 |
1 |
1 |
1 |
2 |
7 |
6 |
4 |
4 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
1.3E+02 |
2.3E+01 |
2.2E+02 |
1.3E+02 |
1.1E+03 |
4.9E+02 |
3.3E+02 |
4.9E+02 |
3.3E+01 |
1.1E+01 |
2.0E+00 |
7.0E+00 |
8.0E+00 |
3.3E+01 |
7.9E+01 |
1.3E+02 |
1.3E+03 |
7.0E+02 |
7.9E+02 |
1.1E+02 |
4.6E+01 |
4.0E+00 |
2.0E+00 |
1.7E+01 |
2.0E+00 |
8.0E+00 |
4.9E+01 |
4.9E+01 |
4.9E+02 |
3.3E+02 |
2.2E+02 |
4.9E+01 |
3.3E+01 |
1.3E+01 |
1.3E+01 |
2.2E+01 |
全窒素 (mg/l) |
0.54 |
0.39 |
0.34 |
0.51 |
0.31 |
0.32 |
0.23 |
0.45 |
0.41 |
0.33 |
0.36 |
0.40 |
0.42 |
0.44 |
0.42 |
0.61 |
0.42 |
0.35 |
0.23 |
0.46 |
0.42 |
0.35 |
0.36 |
0.36 |
0.42 |
0.42 |
0.38 |
0.58 |
0.47 |
0.66 |
0.60 |
0.81 |
0.45 |
0.40 |
0.37 |
0.38 |
全燐 (mg/l) |
0.012 |
0.003 |
0.008 |
0.006 |
0.007 |
0.006 |
0.006 |
0.008 |
0.005 |
< 0.003 |
0.003 |
0.008 |
< 0.003 |
0.003 |
0.013 |
0.005 |
0.007 |
0.008 |
0.006 |
0.007 |
0.005 |
< 0.003 |
< 0.003 |
0.003 |
0.005 |
0.003 |
0.005 |
0.004 |
0.006 |
0.015 |
0.019 |
0.018 |
0.008 |
< 0.003 |
0.005 |
0.005 |
カドミウム (mg/l) |
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< 0.001 |
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全シアン (mg/l) |
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N |
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鉛 (mg/l) |
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< 0.002 |
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六価クロム (mg/l) |
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< 0.02 |
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砒素 (mg/l) |
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< 0.002 |
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総水銀 (mg/l) |
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< 0.0005 |
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アルキル水銀 (mg/l) |
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N |
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PCB (mg/l) |
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N |
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ジクロロメタン (mg/l) |
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< 0.002 |
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四塩化炭素 (mg/l) |
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< 0.0002 |
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1,2-ジクロロエタン (mg/l) |
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< 0.0004 |
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1,1-ジクロロエチレン (mg/l) |
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< 0.002 |
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シス-1,2-ジクロロエチレン (mg/l) |
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< 0.004 |
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1,1,1-トリクロロエタン (mg/l) |
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< 0.0005 |
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1,1,2-トリクロロエタン (mg/l) |
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< 0.0006 |
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トリクロロエチレン (mg/l) |
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< 0.002 |
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テトラクロロエチレン (mg/l) |
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< 0.0005 |
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1,3-ジクロロプロペン (mg/l) |
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< 0.0002 |
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チウラム (mg/l) |
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< 0.0006 |
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シマジン (mg/l) |
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< 0.0003 |
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チオベンカルブ (mg/l) |
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< 0.002 |
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ベンゼン (mg/l) |
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< 0.001 |
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セレン (mg/l) |
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< 0.002 |
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クロロフィル-a (ug/l) |
< 1 |
1 |
5 |
3 |
3 |
3 |
1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
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プランクトン(優占種) |
|
ホシガタケ |
ホシガタケ |
黄金色藻網 |
黄金色藻網 |
黄金色藻網 |
黄金色藻網 |
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