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 |
1998.04.21 |
1998.04.21 |
1998.04.21 |
1998.05.06 |
1998.05.06 |
1998.05.06 |
1998.06.02 |
1998.06.02 |
1998.06.02 |
1998.07.07 |
1998.07.07 |
1998.07.07 |
1998.08.04 |
1998.08.04 |
1998.08.04 |
1998.09.07 |
1998.09.07 |
1998.09.07 |
1998.10.06 |
1998.10.06 |
1998.10.06 |
1998.11.04 |
1998.11.04 |
1998.11.04 |
1998.12.01 |
1998.12.01 |
1998.12.01 |
1999.02.25 |
1999.02.25 |
1999.02.25 |
1999.03.08 |
1999.03.08 |
1999.03.08 |
1999.03.17 |
1999.03.17 |
1999.03.17 |
採取時刻 |
1005 |
1035 |
1105 |
1020 |
1025 |
1030 |
0900 |
0930 |
1000 |
1010 |
1040 |
1110 |
1010 |
1040 |
1110 |
1420 |
1450 |
1525 |
1020 |
1050 |
1120 |
0930 |
1000 |
1030 |
1030 |
1100 |
1130 |
1030 |
1130 |
1200 |
0950 |
1005 |
1020 |
1020 |
1050 |
1115 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
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 (℃) |
28.2 |
28.2 |
28.2 |
24.5 |
24.5 |
24.5 |
10.0 |
10.0 |
10.0 |
23.0 |
23.0 |
23.0 |
25.3 |
25.3 |
25.3 |
20.9 |
20.9 |
20.9 |
25.0 |
25.0 |
25.0 |
12.5 |
12.5 |
12.5 |
13.0 |
13.0 |
13.0 |
3.5 |
3.5 |
3.5 |
5.4 |
5.4 |
5.4 |
9.5 |
9.5 |
9.5 |
水温 (℃) |
12.3 |
5.4 |
4.7 |
13.4 |
5.2 |
4.9 |
15.5 |
5.8 |
5.1 |
18.6 |
6.0 |
5.4 |
17.5 |
6.6 |
5.8 |
12.9 |
6.7 |
6.0 |
12.0 |
10.1 |
6.1 |
10.0 |
9.5 |
6.3 |
5.6 |
5.1 |
4.9 |
2.1 |
2.5 |
3.1 |
2.7 |
3.0 |
3.1 |
3.9 |
3.6 |
3.6 |
採取水深 (m) |
0.5 |
8.0 |
16.0 |
0.5 |
9.0 |
16.0 |
0.5 |
8.0 |
16.0 |
0.5 |
9.0 |
16.0 |
0.5 |
9.0 |
17.0 |
0.5 |
10.0 |
19.0 |
0.5 |
10.0 |
19.0 |
0.5 |
7.0 |
15.0 |
0.5 |
8.0 |
14.0 |
0.5 |
8.0 |
14.0 |
0.5 |
9.0 |
18.0 |
0.5 |
10.0 |
19.0 |
全水深 (m) |
17.0 |
17.0 |
17.0 |
17.1 |
17.1 |
17.1 |
16.8 |
16.8 |
16.8 |
17.6 |
17.6 |
17.6 |
18.4 |
18.4 |
18.4 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
16.0 |
16.0 |
16.0 |
15.3 |
15.3 |
15.3 |
16.5 |
16.5 |
16.5 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
透明度 (m) |
4.10 |
4.10 |
4.10 |
0.70 |
0.70 |
0.70 |
1.20 |
1.20 |
1.20 |
1.00 |
1.00 |
1.00 |
3.00 |
3.00 |
3.00 |
4.70 |
4.70 |
4.70 |
6.20 |
6.20 |
6.20 |
4.00 |
4.00 |
4.00 |
4.50 |
4.50 |
4.50 |
1.70 |
1.70 |
1.70 |
1.80 |
1.80 |
1.80 |
2.10 |
2.10 |
2.10 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
微褐濁 |
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 |
7.9 |
8.5 |
7.5 |
9.1 |
8.0 |
7.4 |
8.8 |
7.2 |
7.0 |
9.3 |
8.2 |
7.0 |
8.0 |
7.2 |
7.3 |
7.5 |
7.6 |
6.9 |
7.6 |
7.6 |
7.3 |
7.7 |
7.6 |
7.2 |
7.5 |
7.5 |
7.4 |
7.9 |
7.8 |
7.3 |
7.7 |
7.7 |
7.6 |
7.7 |
7.7 |
7.7 |
DO (mg/l) |
7.7 |
4.4 |
3.2 |
13.0 |
11.1 |
6.9 |
11.4 |
9.0 |
5.3 |
13.7 |
6.6 |
1.6 |
10.4 |
3.4 |
0.8 |
9.7 |
1.8 |
< 0.5 |
12.0 |
9.2 |
1.9 |
10.5 |
10.0 |
< 0.5 |
11.0 |
10.9 |
9.4 |
14.4 |
13.2 |
7.9 |
12.3 |
8.4 |
8.0 |
13.1 |
13.0 |
11.5 |
BOD (mg/l) |
1.3 |
1.6 |
0.8 |
1.7 |
1.6 |
1.0 |
2.8 |
1.2 |
0.9 |
1.8 |
0.7 |
< 0.5 |
1.1 |
1.8 |
1.2 |
0.7 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
1.9 |
1.2 |
1.4 |
1.3 |
1.4 |
1.0 |
< 0.5 |
1.4 |
0.9 |
0.9 |
1.8 |
1.0 |
1.1 |
1.0 |
1.1 |
1.1 |
COD (mg/l) |
1.5 |
1.8 |
1.5 |
2.9 |
1.8 |
1.1 |
2.5 |
1.8 |
1.6 |
5.0 |
4.1 |
3.3 |
1.3 |
2.3 |
1.6 |
0.8 |
0.9 |
1.4 |
1.2 |
1.1 |
2.8 |
1.4 |
1.6 |
2.1 |
0.9 |
1.0 |
0.9 |
1.5 |
1.5 |
1.4 |
1.3 |
1.5 |
1.6 |
1.7 |
1.7 |
1.9 |
SS (mg/l) |
1 |
2 |
2 |
4 |
2 |
2 |
3 |
3 |
1 |
4 |
3 |
1 |
2 |
5 |
3 |
1 |
1 |
1 |
2 |
2 |
2 |
4 |
4 |
2 |
2 |
2 |
2 |
4 |
5 |
3 |
4 |
4 |
4 |
6 |
6 |
6 |
大腸菌群数 (MPN/100ml) |
< 1.8E+00 |
< 1.8E+00 |
< 1.8E+00 |
< 1.8E+00 |
< 1.8E+00 |
< 1.8E+00 |
2.0E+00 |
4.0E+00 |
4.0E+00 |
4.0E+00 |
2.0E+00 |
4.0E+00 |
1.7E+01 |
4.0E+00 |
1.7E+01 |
7.9E+01 |
7.9E+01 |
2.0E+00 |
4.9E+01 |
3.3E+01 |
7.9E+01 |
1.3E+01 |
4.0E+00 |
1.3E+01 |
8.0E+00 |
2.0E+00 |
1.1E+01 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
4.0E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
4.0E+00 |
2.0E+00 |
全窒素 (mg/l) |
0.07 |
0.05 |
0.08 |
0.21 |
0.13 |
0.19 |
0.18 |
0.05 |
0.17 |
0.13 |
0.12 |
0.17 |
0.15 |
0.10 |
0.22 |
0.16 |
0.17 |
0.76 |
0.12 |
0.12 |
0.39 |
0.11 |
0.12 |
0.31 |
0.26 |
0.25 |
0.32 |
0.09 |
0.12 |
0.16 |
0.17 |
0.15 |
0.17 |
0.34 |
0.32 |
0.35 |
全燐 (mg/l) |
0.014 |
0.014 |
0.014 |
0.023 |
0.017 |
0.010 |
0.031 |
0.031 |
0.015 |
0.025 |
0.020 |
0.028 |
0.010 |
0.019 |
0.014 |
0.019 |
0.024 |
0.014 |
0.009 |
0.020 |
0.027 |
0.018 |
0.013 |
0.021 |
0.014 |
0.009 |
0.018 |
0.006 |
0.012 |
0.011 |
0.013 |
0.009 |
0.015 |
0.013 |
0.011 |
0.015 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.040 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
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|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
7.5E+00 |
1.0E+01 |
8.3E+00 |
2.7E+01 |
1.5E+01 |
6.0E+00 |
2.4E+00 |
1.7E+01 |
4.7E+00 |
4.0E+00 |
3.6E+01 |
2.6E+00 |
4.6E+00 |
5.1E+01 |
1.1E+01 |
< 1.0E+00 |
3.3E+00 |
< 1.0E+00 |
1.2E+00 |
1.0E+00 |
< 1.0E+00 |
2.8E+00 |
2.1E+00 |
3.4E+00 |
5.4E+00 |
4.8E+00 |
2.4E+00 |
1.0E+01 |
1.5E+01 |
1.1E+01 |
1.1E+01 |
1.7E+01 |
1.6E+01 |
1.2E+01 |
1.3E+02 |
1.2E+01 |