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 |
2000.04.04 |
2000.04.04 |
2000.04.04 |
2000.05.09 |
2000.05.09 |
2000.05.09 |
2000.06.06 |
2000.06.06 |
2000.06.06 |
2000.07.04 |
2000.07.04 |
2000.07.04 |
2000.08.01 |
2000.08.01 |
2000.08.01 |
2000.09.05 |
2000.09.05 |
2000.09.05 |
2000.10.05 |
2000.10.05 |
2000.10.05 |
2000.11.07 |
2000.11.07 |
2000.11.07 |
2000.12.05 |
2000.12.05 |
2000.12.05 |
2001.01.16 |
2001.01.16 |
2001.01.16 |
2001.02.06 |
2001.02.06 |
2001.02.06 |
2001.03.06 |
2001.03.06 |
2001.03.06 |
採取時刻 |
1020 |
1035 |
1450 |
1015 |
1030 |
1045 |
0945 |
1010 |
1040 |
1015 |
1030 |
1045 |
1000 |
1020 |
1040 |
1010 |
1025 |
1040 |
0950 |
1005 |
1020 |
1010 |
1030 |
1050 |
0955 |
1115 |
1135 |
0630 |
1000 |
1015 |
1030 |
1050 |
1110 |
0940 |
1000 |
1020 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
14.8 |
14.8 |
14.8 |
17.5 |
17.5 |
17.5 |
27.0 |
27.0 |
27.0 |
25.0 |
25.0 |
25.0 |
33.0 |
33.0 |
33.0 |
21.0 |
21.0 |
21.0 |
20.0 |
20.0 |
20.0 |
17.5 |
17.5 |
17.5 |
5.0 |
5.0 |
5.0 |
13.0 |
13.0 |
13.0 |
2.0 |
2.0 |
2.0 |
3.0 |
3.0 |
3.0 |
採取水深 (m) |
0.5 |
7.0 |
14.5 |
0.5 |
8.0 |
15.5 |
0.5 |
8.5 |
17.0 |
0.5 |
7.5 |
15.0 |
0.5 |
7.0 |
14.0 |
0.5 |
7.5 |
15.0 |
0.5 |
7.0 |
14.4 |
0.5 |
7.0 |
14.0 |
0.5 |
7.5 |
15.0 |
0.5 |
8.0 |
16.0 |
0.5 |
8.0 |
16.0 |
0.5 |
8.0 |
16.0 |
全水深 (m) |
15.5 |
15.5 |
15.5 |
16.5 |
16.5 |
16.5 |
18.0 |
18.0 |
18.0 |
16.0 |
16.0 |
16.0 |
15.0 |
15.0 |
15.0 |
16.0 |
16.0 |
16.0 |
15.4 |
15.4 |
15.4 |
15.0 |
15.0 |
15.0 |
16.0 |
16.0 |
16.0 |
17.0 |
17.0 |
17.0 |
17.0 |
17.0 |
17.0 |
17.0 |
17.0 |
17.0 |
透明度 (m) |
4.50 |
4.50 |
4.50 |
7.00 |
7.00 |
7.00 |
3.50 |
3.50 |
3.50 |
2.00 |
2.00 |
2.00 |
1.00 |
1.00 |
1.00 |
1.60 |
1.60 |
1.60 |
2.20 |
2.20 |
2.20 |
2.00 |
2.00 |
2.00 |
1.80 |
1.80 |
1.80 |
2.30 |
2.30 |
2.30 |
2.50 |
2.50 |
2.50 |
2.00 |
2.00 |
2.00 |
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 |
7.4 |
7.4 |
7.3 |
7.5 |
7.5 |
7.0 |
8.1 |
7.2 |
6.5 |
8.8 |
7.0 |
7.2 |
8.8 |
6.8 |
7.0 |
8.4 |
6.9 |
7.1 |
8.3 |
7.1 |
7.2 |
7.4 |
7.2 |
6.8 |
7.4 |
7.5 |
7.5 |
7.4 |
7.5 |
7.3 |
7.4 |
7.4 |
7.2 |
7.4 |
7.5 |
7.1 |
DO (mg/l) |
11.3 |
11.0 |
10.9 |
10.4 |
10.6 |
5.3 |
11.5 |
7.4 |
< 0.5 |
11.0 |
3.7 |
0.5 |
11.2 |
1.2 |
< 0.5 |
7.8 |
1.0 |
0.5 |
10.4 |
7.2 |
0.6 |
11.8 |
9.3 |
0.7 |
12.5 |
9.8 |
9.3 |
12.8 |
11.9 |
10.1 |
8.6 |
5.5 |
3.5 |
12.5 |
12.9 |
3.4 |
BOD (mg/l) |
0.7 |
1.1 |
1.8 |
0.5 |
0.7 |
0.6 |
1.7 |
1.1 |
1.0 |
1.7 |
1.5 |
1.6 |
1.8 |
1.4 |
1.6 |
1.7 |
3.7 |
0.8 |
2.1 |
1.1 |
1.2 |
1.6 |
1.3 |
2.9 |
1.2 |
1.5 |
1.3 |
1.5 |
1.8 |
1.5 |
1.7 |
2.0 |
1.7 |
< 0.5 |
0.6 |
0.6 |
COD (mg/l) |
0.8 |
1.0 |
1.0 |
0.6 |
1.0 |
1.6 |
2.5 |
1.4 |
1.8 |
1.9 |
1.5 |
1.6 |
1.7 |
1.6 |
3.2 |
2.0 |
3.3 |
3.8 |
2.1 |
2.7 |
5.0 |
2.0 |
1.6 |
4.4 |
1.8 |
2.2 |
2.2 |
1.1 |
1.4 |
1.3 |
0.9 |
1.4 |
1.5 |
1.1 |
1.4 |
1.3 |
SS (mg/l) |
1 |
1 |
2 |
< 1 |
1 |
2 |
4 |
4 |
4 |
2 |
2 |
4 |
4 |
2 |
4 |
4 |
5 |
6 |
4 |
2 |
3 |
4 |
4 |
4 |
3 |
3 |
2 |
2 |
2 |
2 |
1 |
2 |
2 |
2 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
8.0E+00 |
1.3E+01 |
2.3E+01 |
4.9E+01 |
4.9E+01 |
7.9E+01 |
4.9E+01 |
1.9E+01 |
1.3E+01 |
9.2E+03 |
4.9E+02 |
1.1E+03 |
1.3E+03 |
2.8E+02 |
2.8E+02 |
1.3E+02 |
1.1E+02 |
2.2E+02 |
1.3E+02 |
1.7E+02 |
1.3E+02 |
1.3E+02 |
1.3E+02 |
4.9E+01 |
3.5E+03 |
3.5E+03 |
5.4E+03 |
1.3E+01 |
2.3E+01 |
2.3E+01 |
2.0E+00 |
4.0E+00 |
4.0E+00 |
2.3E+01 |
4.9E+01 |
8.0E+00 |
全窒素 (mg/l) |
0.48 |
0.49 |
0.47 |
0.13 |
0.20 |
0.29 |
0.13 |
0.35 |
0.49 |
< 0.05 |
0.21 |
0.44 |
0.06 |
0.16 |
0.12 |
0.13 |
0.12 |
0.73 |
0.19 |
0.23 |
0.68 |
< 0.05 |
0.05 |
0.28 |
0.44 |
0.44 |
0.63 |
0.16 |
0.24 |
0.23 |
0.61 |
0.63 |
0.68 |
0.68 |
0.50 |
0.49 |
全燐 (mg/l) |
0.015 |
0.013 |
0.015 |
0.034 |
0.029 |
0.018 |
0.027 |
0.014 |
0.019 |
0.015 |
0.020 |
0.019 |
0.022 |
0.013 |
0.056 |
0.021 |
0.018 |
0.069 |
0.009 |
0.038 |
0.090 |
0.013 |
0.021 |
0.120 |
0.012 |
0.017 |
0.016 |
0.014 |
0.014 |
0.019 |
0.009 |
0.012 |
0.013 |
0.029 |
0.024 |
0.029 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
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|
全シアン (mg/l) |
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|
N |
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|
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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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|
|
|
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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 |
2 |
3 |
< 1 |
2 |
< 1 |
10 |
13 |
2 |
15 |
9 |
2 |
13 |
9 |
2 |
18 |
68 |
3 |
16 |
5 |
5 |
18 |
9 |
2 |
5 |
5 |
5 |
6 |
12 |
10 |
3 |
10 |
10 |
4 |
10 |
11 |