測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50901 |
四十四田ダム貯水池 |
L‐22(ダムサイト) |
A |
測定結果
採取年月日 |
2017.04.25 |
2017.04.25 |
2017.04.25 |
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 |
2017.08.08 |
2017.08.08 |
2017.08.08 |
2017.09.27 |
2017.09.27 |
2017.09.27 |
2017.10.11 |
2017.10.11 |
2017.10.11 |
2017.11.15 |
2017.11.15 |
2017.11.15 |
2017.12.13 |
2017.12.13 |
2017.12.13 |
2018.01.10 |
2018.01.10 |
2018.01.10 |
2018.02.07 |
2018.02.07 |
2018.02.07 |
2018.03.07 |
2018.03.07 |
2018.03.07 |
採取時刻 |
0915 |
0928 |
0934 |
0905 |
0924 |
0935 |
0905 |
0925 |
0940 |
0910 |
0930 |
0945 |
0915 |
0935 |
0950 |
0912 |
0924 |
0933 |
0918 |
0930 |
0940 |
0905 |
0926 |
0940 |
0910 |
0929 |
0940 |
0905 |
0925 |
0935 |
0905 |
0935 |
1000 |
0900 |
0930 |
0950 |
天候 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
13.8 |
13.8 |
13.8 |
15.0 |
15.0 |
15.0 |
17.2 |
17.2 |
17.2 |
27.6 |
27.6 |
27.6 |
27.2 |
27.2 |
27.2 |
17.2 |
17.2 |
17.2 |
11.6 |
11.6 |
11.6 |
8.2 |
8.2 |
8.2 |
-1.2 |
-1.2 |
-1.2 |
-0.2 |
-0.2 |
-0.2 |
-1.8 |
-1.8 |
-1.8 |
-3.3 |
-3.3 |
-3.3 |
水温 (℃) |
10.1 |
9.1 |
8.7 |
14.8 |
12.1 |
11.8 |
17.4 |
15.1 |
14.5 |
26.1 |
24.0 |
19.2 |
23.8 |
23.2 |
20.7 |
16.7 |
16.5 |
16.2 |
14.8 |
14.6 |
13.0 |
9.6 |
8.7 |
8.0 |
3.6 |
3.6 |
3.9 |
3.0 |
3.4 |
3.4 |
0.4 |
1.9 |
2.8 |
0.8 |
3.3 |
3.4 |
流量 (m3/s) |
33.35 |
33.35 |
33.35 |
40.91 |
40.91 |
40.91 |
24.45 |
24.45 |
24.45 |
17.71 |
17.71 |
17.71 |
28.60 |
28.60 |
28.60 |
41.71 |
41.71 |
41.71 |
31.03 |
31.03 |
31.03 |
45.11 |
45.11 |
45.11 |
27.37 |
27.37 |
27.37 |
36.15 |
36.15 |
36.15 |
22.79 |
22.79 |
22.79 |
29.04 |
29.04 |
29.04 |
採取水深 (m) |
0.5 |
11.3 |
21.6 |
0.5 |
11.25 |
21.5 |
0.5 |
7.9 |
14.8 |
0.5 |
6.05 |
11.1 |
0.5 |
6.2 |
11.4 |
0.5 |
6.1 |
11.2 |
0.5 |
7.9 |
14.8 |
0.5 |
10.8 |
20.6 |
0.5 |
10.9 |
20.8 |
0.5 |
12.1 |
23.2 |
0.5 |
12.4 |
23.8 |
0.5 |
12.25 |
23.5 |
全水深 (m) |
22.60 |
22.60 |
22.60 |
22.50 |
22.50 |
22.50 |
15.80 |
15.80 |
15.80 |
12.10 |
12.10 |
12.10 |
12.40 |
12.40 |
12.40 |
12.20 |
12.20 |
12.20 |
15.80 |
15.80 |
15.80 |
21.60 |
21.60 |
21.60 |
21.80 |
21.80 |
21.80 |
24.20 |
24.20 |
24.20 |
24.80 |
24.80 |
24.80 |
24.50 |
24.50 |
24.50 |
外観 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
7.3 |
7.2 |
8.0 |
7.4 |
7.2 |
7.5 |
7.2 |
7.1 |
7.8 |
7.4 |
7.0 |
7.7 |
7.6 |
7.2 |
7.5 |
7.4 |
7.4 |
7.6 |
7.5 |
7.4 |
7.4 |
7.4 |
7.3 |
7.6 |
7.6 |
7.5 |
7.6 |
7.6 |
7.5 |
7.6 |
7.5 |
7.5 |
7.6 |
7.5 |
7.5 |
DO (mg/l) |
11.6 |
10.6 |
10.3 |
11.1 |
9.3 |
9.5 |
9.0 |
7.7 |
7.7 |
8.8 |
6.5 |
1.7 |
8.4 |
8.2 |
7.1 |
9.3 |
8.1 |
8.1 |
9.8 |
8.9 |
9.2 |
10.6 |
9.9 |
10.3 |
12.2 |
10.2 |
10.2 |
12.9 |
10.5 |
12.2 |
13.7 |
13.0 |
9.8 |
13.1 |
8.5 |
9.0 |
BOD (mg/l) |
1.1 |
0.8 |
0.8 |
0.9 |
0.9 |
0.7 |
0.9 |
1.0 |
0.8 |
2.0 |
1.6 |
1.9 |
1.3 |
1.1 |
0.9 |
0.5 |
0.7 |
0.8 |
1.5 |
1.6 |
1.2 |
0.8 |
0.9 |
0.8 |
0.5 |
0.6 |
0.6 |
1.2 |
1.1 |
1.0 |
0.7 |
< 0.5 |
< 0.5 |
3.0 |
1.6 |
0.7 |
COD (mg/l) |
2.1 |
1.7 |
1.6 |
1.7 |
1.9 |
2 |
2.5 |
2.9 |
2.9 |
2.6 |
2.4 |
3.9 |
2.6 |
3.1 |
2.9 |
1.8 |
1.7 |
2 |
1.6 |
1.9 |
1.3 |
1.4 |
1.4 |
1.4 |
1.2 |
1.2 |
1.2 |
1.3 |
1.2 |
1.1 |
1.6 |
1.1 |
1.1 |
2.2 |
1.6 |
1.6 |
SS (mg/l) |
4 |
3 |
3 |
1 |
4 |
5 |
2 |
9 |
8 |
6 |
8 |
7 |
4 |
9 |
8 |
5 |
6 |
9 |
2 |
2 |
3 |
1 |
3 |
4 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
1.3E+02 |
1.1E+03 |
1.1E+03 |
3.3E+01 |
7.9E+02 |
3.3E+03 |
1.3E+03 |
2.4E+03 |
4.9E+02 |
1.7E+03 |
1.3E+03 |
1.7E+02 |
1.3E+03 |
7.0E+03 |
2.4E+03 |
1.1E+04 |
4.9E+03 |
1.4E+04 |
1.7E+03 |
7.9E+02 |
1.4E+03 |
1.7E+03 |
1.1E+03 |
2.8E+03 |
7.9E+01 |
4.9E+02 |
2.4E+02 |
7.9E+01 |
7.0E+01 |
7.0E+01 |
7.9E+01 |
2.4E+02 |
3.3E+02 |
3.3E+01 |
2.2E+03 |
1.1E+03 |
全窒素 (mg/l) |
0.86 |
0.88 |
0.84 |
0.71 |
1.04 |
1.08 |
0.96 |
1.13 |
1.06 |
1.08 |
0.93 |
1.17 |
0.91 |
1.01 |
1.05 |
1.01 |
0.91 |
0.88 |
0.79 |
0.73 |
0.82 |
0.90 |
0.89 |
0.9 |
1.09 |
1.08 |
1.08 |
1.18 |
1.12 |
1.16 |
1.03 |
0.95 |
1.03 |
1.14 |
1.16 |
1.24 |
全燐 (mg/l) |
0.019 |
0.013 |
0.015 |
0.009 |
0.026 |
0.030 |
0.022 |
0.048 |
0.042 |
0.051 |
0.049 |
0.054 |
0.039 |
0.040 |
0.038 |
0.022 |
0.024 |
0.031 |
0.023 |
0.020 |
0.019 |
0.012 |
0.014 |
0.016 |
0.016 |
0.015 |
0.015 |
0.016 |
0.016 |
0.016 |
0.024 |
0.021 |
0.024 |
0.022 |
0.030 |
0.033 |
全亜鉛 (mg/l) |
0.003 |
0.005 |
0.005 |
0.003 |
0.004 |
0.006 |
0.001 |
0.004 |
0.002 |
0.003 |
0.011 |
0.007 |
0.002 |
0.004 |
0.007 |
0.003 |
0.005 |
0.005 |
0.001 |
0.003 |
0.007 |
0.002 |
0.003 |
0.003 |
0.002 |
0.003 |
0.003 |
0.004 |
0.005 |
0.004 |
0.003 |
0.004 |
0.003 |
0.008 |
0.005 |
0.003 |
ノニルフェノール (mg/l) |
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
< 0.00006 |
|
|
カドミウム (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
全シアン (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
鉛 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
0.001 |
|
|
|
|
|
0.003 |
|
|
六価クロム (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
砒素 (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
0.009 |
0.009 |
0.008 |
0.005 |
0.010 |
0.011 |
0.006 |
0.006 |
0.005 |
0.007 |
0.006 |
0.015 |
0.005 |
0.005 |
0.010 |
0.004 |
0.005 |
0.004 |
0.005 |
0.004 |
0.006 |
0.006 |
0.007 |
0.007 |
0.006 |
0.006 |
0.006 |
0.008 |
0.008 |
0.007 |
0.010 |
0.011 |
0.012 |
0.009 |
0.008 |
0.007 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.08 |
|
|
|
|
|
|
|
|
|
|
|
0.06 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.08 |
0.09 |
< 0.05 |
0.10 |
0.09 |
< 0.05 |
< 0.05 |
0.30 |
< 0.05 |
< 0.05 |
0.08 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
0.08 |
0.09 |
クロロフィル-a (ug/l) |
6.7 |
< 2.0 |
< 2.0 |
4.1 |
< 2.0 |
< 2.0 |
3.0 |
< 2.0 |
< 2.0 |
9.5 |
< 2.0 |
< 2.0 |
6.4 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
4.0 |
2.5 |
< 2.0 |
2.6 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
4.2 |
< 2.0 |
< 2.0 |
9.4 |
< 2.0 |
< 2.0 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.05 |
|
|
|
|
|
|
|
|
|
|
|
0.04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,4-ジオキサン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
18 |
100 |
140 |
< 2 |
350 |
300 |
36 |
800 |
280 |
340 |
320 |
45 |
720 |
1800 |
420 |
1000 |
3800 |
3800 |
370 |
580 |
460 |
38 |
580 |
850 |
71 |
88 |
96 |
6 |
8 |
18 |
8 |
48 |
88 |
5 |
700 |
780 |
直鎖アルキルベンゼンスルホン酸及びその塩 (mg/l) |
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
オルトリン酸態リン (mg/l) |
0.003 |
0.003 |
0.007 |
< 0.003 |
0.010 |
0.013 |
0.004 |
0.023 |
0.019 |
0.013 |
0.027 |
0.028 |
0.010 |
0.015 |
0.022 |
0.005 |
0.006 |
0.008 |
0.004 |
0.007 |
0.005 |
0.003 |
0.004 |
0.007 |
0.008 |
0.008 |
0.008 |
0.008 |
0.009 |
0.010 |
0.006 |
0.015 |
0.017 |
< 0.003 |
0.019 |
0.017 |