測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50301 |
田瀬ダム貯水池 |
L‐5(ダムサイト) |
A |
測定結果
採取年月日 |
2012.04.18 |
2012.04.18 |
2012.04.18 |
2012.05.16 |
2012.05.16 |
2012.05.16 |
2012.06.13 |
2012.06.13 |
2012.06.13 |
2012.07.11 |
2012.07.11 |
2012.07.11 |
2012.08.22 |
2012.08.22 |
2012.08.22 |
2012.09.12 |
2012.09.12 |
2012.09.12 |
2012.10.10 |
2012.10.10 |
2012.10.10 |
2012.11.14 |
2012.11.14 |
2012.11.14 |
2012.12.12 |
2012.12.12 |
2012.12.12 |
2013.01.09 |
2013.01.09 |
2013.01.09 |
2013.02.06 |
2013.02.06 |
2013.02.06 |
2013.03.06 |
2013.03.06 |
2013.03.06 |
採取時刻 |
0950 |
1035 |
1110 |
0940 |
1020 |
1051 |
0945 |
1029 |
1056 |
0940 |
1020 |
1049 |
1035 |
1123 |
1153 |
0958 |
1042 |
1115 |
1215 |
1236 |
1308 |
0943 |
1038 |
1120 |
0952 |
1040 |
1112 |
0940 |
1010 |
1045 |
1023 |
1113 |
1206 |
1228 |
1427 |
1514 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
曇り |
雪 |
雪 |
曇り |
曇り |
曇り |
気温 (℃) |
13 |
12.0 |
13.9 |
15.1 |
17.0 |
16.0 |
19.1 |
20.0 |
20.1 |
26.1 |
30.7 |
29.8 |
31.0 |
32.7 |
32.8 |
27.7 |
30.0 |
30.0 |
21.0 |
21.0 |
20.5 |
8.9 |
8.9 |
9.5 |
1.0 |
2.0 |
1.8 |
-5.3 |
-5.1 |
-4.8 |
-0.2 |
-0.6 |
-0.4 |
7.8 |
6.8 |
6.8 |
水温 (℃) |
10.2 |
4.8 |
4.2 |
15.5 |
7.0 |
5.0 |
20.1 |
8.1 |
5.5 |
23.8 |
7.8 |
5.9 |
27.8 |
17.0 |
5.9 |
26.8 |
20.9 |
5.8 |
20.5 |
18.4 |
5.9 |
13.6 |
11.8 |
5.7 |
8.0 |
6.2 |
4.9 |
3.8 |
4.7 |
4.7 |
0.1 |
2.9 |
3.6 |
2.5 |
3.6 |
3.9 |
流量 (m3/s) |
43.56 |
43.56 |
43.56 |
26.20 |
26.20 |
26.20 |
18.25 |
18.25 |
18.25 |
10.79 |
10.79 |
10.79 |
4.96 |
4.96 |
4.96 |
7.97 |
7.97 |
7.97 |
11.94 |
11.94 |
11.94 |
25.14 |
25.14 |
25.14 |
20.41 |
20.41 |
20.41 |
20.6 |
|
|
10.42 |
|
|
8.07 |
|
|
採取水深 (m) |
0.50 |
27.00 |
53.00 |
0.50 |
28.80 |
56.60 |
0.50 |
24.55 |
48.10 |
0.50 |
22.95 |
44.90 |
0.50 |
23.00 |
45.00 |
0.50 |
22.90 |
44.80 |
0.50 |
23.60 |
46.20 |
0.50 |
28.00 |
55.00 |
0.50 |
29.20 |
57.40 |
0.5 |
28.9 |
56.8 |
0.5 |
22.7 |
44.4 |
0.5 |
16.6 |
32.2 |
全水深 (m) |
54.00 |
54.00 |
54.00 |
57.60 |
57.60 |
57.60 |
49.10 |
49.10 |
49.10 |
45.90 |
45.90 |
45.90 |
46.00 |
46.00 |
46.00 |
45.80 |
45.80 |
45.80 |
47.20 |
47.20 |
47.20 |
56.00 |
56.00 |
56.00 |
58.40 |
58.40 |
58.40 |
57.8 |
57.8 |
57.8 |
45.4 |
45.4 |
45.4 |
33.2 |
33.2 |
33.2 |
透明度 (m) |
2.3 |
|
|
2.7 |
|
|
1.6 |
|
|
4.2 |
|
|
3.7 |
|
|
3.8 |
|
|
4.3 |
|
|
3.5 |
|
|
5.3 |
|
|
6.2 |
|
|
2.1 |
|
|
2.7 |
|
|
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 |
茶色 |
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 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
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 |
下水臭 |
なし |
なし |
下水臭 |
なし |
なし |
下水臭 |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.4 |
7.2 |
7.1 |
8.0 |
7.2 |
7.0 |
9.5 |
7.3 |
7.0 |
9.0 |
7.5 |
7.1 |
8.3 |
7.3 |
7.1 |
7.9 |
7.3 |
7.1 |
7.5 |
7.3 |
7.0 |
7.3 |
7.3 |
6.8 |
7.3 |
7.3 |
6.8 |
7.3 |
7.3 |
7.1 |
7.4 |
7.4 |
7.3 |
7.3 |
7.2 |
7.0 |
DO (mg/l) |
12 |
10 |
7.5 |
11 |
9.4 |
6.9 |
11 |
8.2 |
1.3 |
11 |
7.7 |
1.0 |
10 |
5.2 |
1.7 |
8.9 |
3.7 |
0.7 |
8.3 |
6.1 |
0.9 |
9.4 |
8.9 |
1.1 |
10 |
8.4 |
< 0.5 |
10 |
10 |
6.9 |
13 |
10 |
7.7 |
13 |
9.9 |
6.8 |
BOD (mg/l) |
2.0 |
0.7 |
0.7 |
1.3 |
0.7 |
0.8 |
2.6 |
0.6 |
1.0 |
1.6 |
0.7 |
1.3 |
0.7 |
1.0 |
1.2 |
1.1 |
1.7 |
1.5 |
0.7 |
0.9 |
0.9 |
0.7 |
0.5 |
0.7 |
1.0 |
0.9 |
0.9 |
< 0.5 |
0.5 |
1.3 |
1.0 |
0.5 |
0.6 |
0.7 |
< 0.5 |
< 0.5 |
COD (mg/l) |
2.9 |
2.6 |
2.5 |
3.0 |
2.5 |
2.3 |
5.0 |
2.3 |
2.8 |
2.7 |
2.1 |
2.5 |
2.0 |
2.5 |
2.7 |
2.8 |
2.3 |
3.0 |
2.4 |
2.3 |
2.4 |
2.4 |
2.9 |
5.5 |
2.2 |
2.0 |
6.2 |
2.0 |
2.0 |
3.8 |
1.5 |
1.9 |
2.1 |
1.5 |
2.0 |
2.0 |
SS (mg/l) |
2 |
2 |
2 |
2 |
1 |
1 |
12 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
2 |
1 |
1 |
3 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
3 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
7.9E+01 |
1.3E+01 |
3.3E+01 |
1.4E+03 |
7.9E+01 |
4.9E+01 |
7.9E+01 |
1.7E+02 |
1.7E+02 |
4.9E+01 |
2.8E+02 |
3.3E+02 |
1.1E+02 |
7.9E+01 |
2.2E+02 |
7.9E+02 |
1.7E+03 |
1.3E+02 |
2.4E+02 |
4.9E+02 |
1.3E+02 |
3.3E+02 |
1.3E+03 |
2.4E+02 |
1.3E+02 |
4.9E+02 |
7.9E+01 |
3.3E+01 |
7.9E+01 |
4.9E+01 |
1.3E+02 |
7.8E+00 |
2.2E+01 |
1.4E+01 |
4.0E+00 |
7.8E+00 |
全窒素 (mg/l) |
0.98 |
0.95 |
0.94 |
0.62 |
0.89 |
0.96 |
0.50 |
0.90 |
1.1 |
0.53 |
0.87 |
1.1 |
0.45 |
0.70 |
1.1 |
0.52 |
0.66 |
1.4 |
0.56 |
0.61 |
1.1 |
0.51 |
0.70 |
3.0 |
0.61 |
0.63 |
3.3 |
0.65 |
0.69 |
2.1 |
0.71 |
0.59 |
0.74 |
0.56 |
0.64 |
0.68 |
全燐 (mg/l) |
0.030 |
0.018 |
0.018 |
0.014 |
0.015 |
0.012 |
0.014 |
0.010 |
0.032 |
0.012 |
0.007 |
0.022 |
0.006 |
0.010 |
0.010 |
0.008 |
0.010 |
0.019 |
0.010 |
0.017 |
0.016 |
0.009 |
0.019 |
0.018 |
0.010 |
0.009 |
0.019 |
0.008 |
0.008 |
0.024 |
0.012 |
0.006 |
0.011 |
0.008 |
0.008 |
0.010 |
全亜鉛 (mg/l) |
0.002 |
0.002 |
0.002 |
< 0.001 |
0.001 |
0.006 |
0.002 |
0.002 |
0.003 |
0.002 |
0.003 |
0.003 |
< 0.001 |
0.002 |
0.002 |
< 0.001 |
0.002 |
0.001 |
0.004 |
0.001 |
0.001 |
< 0.001 |
0.004 |
0.004 |
0.001 |
0.001 |
0.003 |
< 0.001 |
< 0.001 |
0.001 |
0.005 |
0.001 |
0.002 |
0.005 |
0.006 |
0.003 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
0.004 |
0.007 |
0.019 |
0.004 |
0.003 |
0.004 |
0.003 |
0.001 |
0.036 |
0.008 |
0.002 |
0.12 |
0.007 |
0.002 |
0.096 |
0.006 |
0.001 |
0.033 |
0.002 |
0.007 |
0.031 |
0.004 |
0.007 |
0.007 |
0.004 |
0.006 |
0.008 |
0.006 |
0.006 |
0.007 |
0.001 |
< 0.001 |
0.001 |
0.003 |
0.001 |
0.001 |
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.05 |
|
|
|
|
|
|
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.05 |
< 0.05 |
0.09 |
< 0.05 |
< 0.05 |
0.13 |
< 0.05 |
< 0.05 |
0.31 |
< 0.05 |
< 0.05 |
0.41 |
< 0.05 |
< 0.05 |
0.38 |
< 0.05 |
< 0.05 |
0.67 |
< 0.05 |
< 0.05 |
0.57 |
< 0.05 |
< 0.05 |
1.6 |
< 0.05 |
< 0.05 |
2.1 |
< 0.05 |
< 0.05 |
0.61 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
7 |
< 2 |
< 2 |
11 |
< 2 |
< 2 |
28 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
11 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
7 |
2 |
< 2 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
55 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
100 |
> 100 |
> 100 |
60 |
> 100 |
> 100 |
48 |
> 100 |
> 100 |
64 |
> 100 |
> 100 |
90 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.71 |
0.76 |
0.65 |
0.38 |
0.73 |
0.68 |
0.10 |
0.79 |
0.53 |
0.28 |
0.79 |
0.43 |
0.25 |
0.55 |
0.41 |
0.26 |
0.51 |
0.33 |
0.35 |
0.46 |
0.27 |
0.33 |
0.49 |
0.06 |
0.45 |
0.46 |
0.04 |
0.45 |
0.44 |
0.33 |
0.53 |
0.49 |
0.51 |
0.44 |
0.51 |
0.56 |
1,4-ジオキサン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
< 2 |
< 2 |
3 |
< 2 |
4 |
2 |
< 2 |
< 2 |
< 2 |
2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
4 |
4 |
4 |
15 |
4 |
2 |
32 |
7 |
6 |
16 |
3 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |