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 |
2017.04.19 |
2017.04.19 |
2017.04.19 |
2017.05.17 |
2017.05.17 |
2017.05.17 |
2017.06.14 |
2017.06.14 |
2017.06.14 |
2017.07.12 |
2017.07.12 |
2017.07.12 |
2017.08.29 |
2017.08.29 |
2017.08.29 |
2017.09.20 |
2017.09.20 |
2017.09.20 |
2017.10.11 |
2017.10.11 |
2017.10.11 |
2017.11.14 |
2017.11.14 |
2017.11.14 |
2017.12.12 |
2017.12.12 |
2017.12.12 |
2018.01.10 |
2018.01.10 |
2018.01.10 |
2018.02.06 |
2018.02.06 |
2018.02.06 |
2018.03.05 |
2018.03.05 |
2018.03.05 |
採取時刻 |
1005 |
1018 |
1032 |
1046 |
1053 |
1101 |
1025 |
1046 |
1059 |
1108 |
1113 |
1123 |
1059 |
1110 |
1119 |
0855 |
0903 |
0909 |
1137 |
1147 |
1157 |
0911 |
0925 |
0933 |
0935 |
0950 |
1005 |
1015 |
1020 |
1030 |
1226 |
1231 |
1236 |
1239 |
1245 |
1255 |
天候 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
霧雨 |
霧雨 |
霧雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
霧雨 |
霧雨 |
霧雨 |
気温 (℃) |
10.2 |
10.2 |
10.2 |
18.7 |
18.7 |
18.7 |
22.3 |
22.3 |
22.3 |
28.8 |
28.8 |
28.8 |
23.2 |
23.2 |
23.2 |
23 |
23 |
23 |
11 |
11 |
11 |
13.7 |
13.7 |
13.7 |
0.1 |
0.1 |
0.1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
水温 (℃) |
9.8 |
6.7 |
6.3 |
14.5 |
8.1 |
6.5 |
16.6 |
10.5 |
7.7 |
25.7 |
10 |
8.8 |
21 |
16.7 |
7.4 |
17.5 |
14 |
7.3 |
15.4 |
13.2 |
6.5 |
9.7 |
9.7 |
6.5 |
4.3 |
4.7 |
4.8 |
2.1 |
2 |
2.3 |
1.6 |
2 |
2.5 |
2 |
2.4 |
2.5 |
採取水深 (m) |
0.5 |
15.5 |
30 |
0.5 |
14.6 |
28.3 |
0.5 |
15 |
29 |
0.5 |
15 |
29 |
0.5 |
16.7 |
32.4 |
0.5 |
17.4 |
33.8 |
0.5 |
16.6 |
32.2 |
0.5 |
16.6 |
32.3 |
0.5 |
16 |
31 |
0.5 |
16 |
31 |
0.5 |
16.1 |
31.2 |
0.5 |
16.6 |
32.2 |
全水深 (m) |
31 |
31 |
31 |
29.3 |
29.3 |
29.3 |
30 |
30 |
30 |
30 |
30 |
30 |
33.4 |
33.4 |
33.4 |
34.8 |
34.8 |
34.8 |
33.2 |
33.2 |
33.2 |
33.3 |
33.3 |
33.3 |
32 |
32 |
32 |
32 |
32 |
32 |
32.2 |
32.2 |
32.2 |
33.2 |
33.2 |
33.2 |
透明度 (m) |
1.8 |
1.8 |
1.8 |
3.5 |
3.5 |
3.5 |
2.8 |
2.8 |
2.8 |
3 |
3 |
3 |
5.8 |
5.8 |
5.8 |
2.2 |
2.2 |
2.2 |
5.5 |
5.5 |
5.5 |
5 |
5 |
5 |
3.5 |
3.5 |
3.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4 |
4 |
4 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
臭気 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.3 |
7.2 |
7.2 |
7.4 |
7.1 |
7.0 |
7.5 |
7.0 |
6.9 |
7.6 |
6.8 |
6.7 |
7.5 |
6.7 |
6.7 |
7.2 |
6.8 |
6.8 |
7.4 |
7.1 |
6.9 |
7.2 |
7.1 |
6.7 |
7.2 |
7.2 |
7.2 |
7.6 |
7.4 |
7.2 |
7.4 |
7.3 |
7.3 |
7.1 |
7.1 |
7.1 |
DO (mg/l) |
11.5 |
11.9 |
11.8 |
10.6 |
10.1 |
10.2 |
9.9 |
8.9 |
8.6 |
9.0 |
8.0 |
7.4 |
9.6 |
5.0 |
4.1 |
9.2 |
5.8 |
2.9 |
9.9 |
8.1 |
2.5 |
10.1 |
10.3 |
2.1 |
11.2 |
11.0 |
11.1 |
12.8 |
12.8 |
12.8 |
13.1 |
12.6 |
12.9 |
12.6 |
12.2 |
11.6 |
BOD (mg/l) |
1.4 |
0.9 |
1.0 |
1.1 |
0.7 |
0.9 |
0.9 |
0.7 |
1.0 |
1.0 |
0.8 |
0.9 |
1.4 |
0.7 |
0.5 |
1.3 |
1.1 |
1.0 |
0.9 |
0.8 |
1.4 |
0.5 |
0.8 |
2.6 |
0.5 |
0.6 |
0.8 |
0.8 |
0.8 |
0.8 |
0.7 |
0.6 |
1.2 |
1.3 |
1.2 |
1.1 |
COD (mg/l) |
2.0 |
2.0 |
1.9 |
2.0 |
1.9 |
1.2 |
1.9 |
1.6 |
1.5 |
2.3 |
1.7 |
1.5 |
2.3 |
1.9 |
1.8 |
2.1 |
3.5 |
2.3 |
2.3 |
2.1 |
2.1 |
1.7 |
1.9 |
2.3 |
2.0 |
1.5 |
1.7 |
1.5 |
1.1 |
1.3 |
1.2 |
1.5 |
0.8 |
2.2 |
1.2 |
1.8 |
SS (mg/l) |
4 |
1 |
2 |
1 |
1 |
1 |
2 |
1 |
1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
3 |
2 |
5 |
15 |
1 |
1 |
4 |
< 1 |
1 |
4 |
2 |
1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
4.9E+01 |
8.0E+00 |
< 2.0E+00 |
2.3E+01 |
2.0E+00 |
< 2.0E+00 |
4.0E+00 |
7.0E+00 |
4.0E+00 |
4.9E+01 |
8.0E+00 |
8.0E+00 |
3.3E+02 |
4.6E+01 |
1.1E+02 |
9.2E+03 |
1.6E+04 |
7.9E+02 |
3.3E+02 |
2.3E+02 |
3.3E+02 |
3.3E+01 |
4.9E+01 |
4.9E+01 |
8.0E+00 |
1.3E+01 |
1.1E+01 |
7.0E+00 |
4.0E+00 |
4.0E+00 |
< 2.0E+00 |
2.0E+00 |
2.0E+00 |
2.3E+01 |
3.3E+01 |
1.7E+01 |
全窒素 (mg/l) |
0.34 |
0.25 |
0.23 |
0.28 |
0.27 |
0.24 |
0.15 |
0.30 |
0.30 |
0.29 |
0.40 |
0.42 |
0.28 |
0.43 |
0.50 |
0.45 |
0.49 |
0.72 |
0.25 |
0.30 |
0.61 |
0.18 |
0.19 |
0.67 |
0.23 |
0.21 |
0.16 |
0.19 |
0.15 |
0.14 |
0.23 |
0.23 |
0.27 |
0.28 |
0.25 |
0.29 |
全燐 (mg/l) |
0.009 |
0.006 |
0.006 |
0.008 |
0.007 |
0.006 |
0.005 |
0.006 |
0.007 |
0.004 |
0.005 |
0.006 |
0.007 |
0.007 |
0.010 |
0.015 |
0.014 |
0.031 |
0.005 |
0.004 |
0.013 |
0.004 |
0.004 |
0.014 |
0.006 |
0.005 |
0.005 |
0.004 |
0.004 |
0.004 |
0.004 |
< 0.003 |
0.004 |
0.006 |
0.004 |
0.004 |
カドミウム (mg/l) |
|
|
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< 0.0003 |
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全シアン (mg/l) |
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< 0.01 |
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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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< 0.0005 |
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PCB (mg/l) |
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< 0.0005 |
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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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< 0.001 |
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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) |
3.2 |
|
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< 0.9 |
|
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1.3 |
|
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1.3 |
|
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3.5 |
|
|
1.5 |
|
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2.5 |
|
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1.0 |
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< 0.9 |
|
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1.2 |
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1.4 |
|
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1.2 |
|
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トリハロメタン生成能 (mg/l) |
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0.047 |
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プランクトン(優占種) |
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unidentifi |
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unidentifi |
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unidentifi |
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Rhizosolen |
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Rhizosolen |
|
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Dinobryon |
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