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 |
2008.04.16 |
2008.05.14 |
2008.06.18 |
2008.07.15 |
2008.08.20 |
2008.09.17 |
2008.10.08 |
2008.11.12 |
2008.12.17 |
2009.01.14 |
2009.02.05 |
2009.03.02 |
2008.04.16 |
2008.05.14 |
2008.06.18 |
2008.07.15 |
2008.08.20 |
2008.09.17 |
2008.10.08 |
2008.11.12 |
2008.12.17 |
2009.01.14 |
2009.02.05 |
2009.03.02 |
2008.04.16 |
2008.05.14 |
2008.06.18 |
2008.07.15 |
2008.08.20 |
2008.09.17 |
2008.10.08 |
2008.11.12 |
2008.12.17 |
2009.01.14 |
2009.02.05 |
2009.03.02 |
採取時刻 |
1143 |
1104 |
1114 |
1115 |
1230 |
1105 |
1230 |
1052 |
1137 |
1155 |
1105 |
1120 |
1202 |
1125 |
1122 |
1135 |
1243 |
1115 |
1240 |
1059 |
1142 |
1229 |
1045 |
1125 |
1224 |
1143 |
1133 |
1210 |
1305 |
1128 |
1255 |
1112 |
1150 |
1242 |
1055 |
1135 |
天候 |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
快晴 |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
快晴 |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
快晴 |
曇り |
晴れ |
雪 |
晴れ |
気温 (℃) |
19.2 |
10.4 |
24.2 |
24.4 |
26.2 |
24.6 |
16.7 |
12.2 |
8.3 |
4.0 |
4.4 |
0.3 |
19.2 |
10.4 |
24.2 |
24.4 |
26.2 |
24.6 |
16.7 |
12.2 |
8.3 |
4.0 |
4.4 |
0.3 |
19.2 |
10.4 |
24.2 |
24.4 |
26.2 |
24.6 |
16.7 |
12.2 |
8.3 |
4.0 |
4.4 |
0.3 |
水温 (℃) |
9.2 |
12.2 |
18.3 |
23.8 |
22.7 |
20.4 |
15.9 |
10.3 |
6.5 |
1.7 |
1.9 |
2.1 |
7.0 |
7.8 |
9.7 |
11.0 |
17.7 |
16.3 |
14.4 |
10.0 |
6.1 |
2.7 |
2.3 |
2.6 |
6.1 |
6.2 |
7.1 |
7.5 |
8.2 |
8.2 |
8.0 |
7.2 |
5.9 |
2.8 |
2.4 |
2.1 |
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 |
14.2 |
14.3 |
15.4 |
15.2 |
17.1 |
16.1 |
16.7 |
16.1 |
15.4 |
14.8 |
15.2 |
15.7 |
27.5 |
27.7 |
29.9 |
29.4 |
33.2 |
32.1 |
32.5 |
31.3 |
29.8 |
28.6 |
29.5 |
30.4 |
全水深 (m) |
28.5 |
28.7 |
30.9 |
30.4 |
34.2 |
33.1 |
33.5 |
32.3 |
30.8 |
29.6 |
30.5 |
31.4 |
28.5 |
28.7 |
30.9 |
30.4 |
34.2 |
33.1 |
33.5 |
32.3 |
30.8 |
29.6 |
30.5 |
31.4 |
28.5 |
28.7 |
30.9 |
30.4 |
34.2 |
33.1 |
33.5 |
32.3 |
30.8 |
29.6 |
30.5 |
31.4 |
pH |
7.5 |
7.3 |
7.6 |
7.8 |
6.8 |
7.5 |
7.6 |
7.2 |
7.2 |
7.4 |
7.3 |
7.4 |
7.2 |
7.0 |
7.0 |
7.6 |
6.8 |
7.0 |
7.1 |
7.2 |
7.2 |
7.3 |
7.2 |
7.3 |
7.1 |
7.0 |
6.9 |
6.8 |
6.8 |
6.7 |
6.8 |
6.7 |
7.2 |
7.2 |
7.2 |
7.4 |
DO (mg/l) |
12 |
10 |
10 |
8.9 |
9.1 |
9.7 |
10 |
9.6 |
10 |
13 |
13 |
13 |
10 |
10 |
8.7 |
6.3 |
5.7 |
8.0 |
8.9 |
9.4 |
11 |
13 |
13 |
13 |
11 |
9.4 |
7.8 |
5.8 |
4.0 |
1.5 |
1.9 |
1.5 |
11 |
13 |
13 |
13 |
BOD (mg/l) |
1.1 |
0.7 |
0.9 |
0.9 |
< 0.5 |
0.6 |
1.0 |
0.5 |
0.6 |
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 |
< 0.5 |
0.6 |
0.6 |
< 0.5 |
0.6 |
0.6 |
< 0.5 |
0.8 |
0.5 |
0.7 |
< 0.5 |
< 0.5 |
< 0.5 |
0.5 |
COD (mg/l) |
3.3 |
2.5 |
2.4 |
3.1 |
2.4 |
2.1 |
2.5 |
2.1 |
2.1 |
1.5 |
1.6 |
1.8 |
2.7 |
2.7 |
2.7 |
3.6 |
3.2 |
2.3 |
1.7 |
2.8 |
2.0 |
1.5 |
1.5 |
2.0 |
3.0 |
2.5 |
2.0 |
2.8 |
3.0 |
3.4 |
3.6 |
3.9 |
1.8 |
3.8 |
2.2 |
1.9 |
SS (mg/l) |
1 |
3 |
2 |
2 |
< 1 |
< 1 |
1 |
2 |
2 |
4 |
< 1 |
< 1 |
2 |
2 |
2 |
2 |
< 1 |
2 |
2 |
2 |
2 |
1 |
1 |
2 |
3 |
2 |
1 |
< 1 |
2 |
7 |
6 |
7 |
3 |
2 |
1 |
< 1 |
大腸菌群数 (MPN/100ml) |
8.0E+00 |
1.3E+01 |
3.3E+01 |
2.2E+02 |
7.9E+02 |
3.3E+02 |
3.3E+02 |
1.7E+02 |
3.3E+01 |
1.3E+01 |
< 1.8E+00 |
< 1.8E+00 |
2.0E+00 |
4.0E+00 |
2.3E+01 |
7.9E+01 |
4.9E+02 |
3.3E+02 |
2.2E+02 |
2.2E+02 |
3.3E+01 |
1.7E+01 |
8.0E+00 |
2.0E+00 |
4.0E+00 |
8.0E+00 |
2.2E+01 |
3.3E+01 |
4.9E+02 |
2.4E+02 |
2.2E+02 |
1.1E+02 |
1.7E+01 |
2.3E+01 |
4.0E+00 |
8.0E+00 |
全窒素 (mg/l) |
0.43 |
0.46 |
0.37 |
0.30 |
0.31 |
0.33 |
0.39 |
0.34 |
0.48 |
0.42 |
0.41 |
0.35 |
0.40 |
0.48 |
0.49 |
0.33 |
0.43 |
0.38 |
0.33 |
0.34 |
0.35 |
0.35 |
0.40 |
0.36 |
0.46 |
0.44 |
0.47 |
0.51 |
0.60 |
0.56 |
0.54 |
0.46 |
0.35 |
0.38 |
0.42 |
0.35 |
全燐 (mg/l) |
0.008 |
0.007 |
0.006 |
0.004 |
0.004 |
0.005 |
0.010 |
0.004 |
0.004 |
0.005 |
0.004 |
< 0.003 |
0.005 |
0.004 |
0.006 |
0.008 |
0.007 |
0.008 |
0.005 |
0.004 |
0.004 |
0.005 |
0.007 |
0.003 |
0.008 |
0.007 |
0.006 |
0.005 |
0.011 |
0.021 |
0.024 |
0.019 |
0.004 |
0.007 |
0.005 |
< 0.003 |
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) |
4 |
2 |
1 |
1 |
< 1 |
1 |
6 |
2 |
< 1 |
< 1 |
< 1 |
1 |
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プランクトン(優占種) |
|
Cyclotella |
Dinobryon |
Elakatothr |
Dinobryon |
Cryptophyc |
Dinobryon |
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