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 |
2001.04.18 |
2001.04.18 |
2001.04.18 |
2001.05.23 |
2001.05.23 |
2001.05.23 |
2001.06.26 |
2001.06.26 |
2001.06.26 |
2001.07.11 |
2001.07.11 |
2001.07.11 |
2001.08.30 |
2001.08.30 |
2001.08.30 |
2001.09.19 |
2001.09.19 |
2001.09.19 |
2001.10.10 |
2001.10.10 |
2001.10.10 |
2001.11.14 |
2001.11.14 |
2001.11.14 |
2001.12.12 |
2001.12.12 |
2001.12.12 |
2002.01.16 |
2002.01.16 |
2002.01.16 |
2002.02.13 |
2002.02.13 |
2002.02.13 |
2002.03.06 |
2002.03.06 |
2002.03.06 |
採取時刻 |
1100 |
1140 |
1158 |
1000 |
1037 |
1051 |
1103 |
1140 |
1158 |
1104 |
1142 |
1157 |
1003 |
1037 |
1058 |
1103 |
1142 |
1155 |
1302 |
1333 |
1355 |
1003 |
1035 |
1059 |
1003 |
1027 |
1057 |
1002 |
1041 |
1059 |
1000 |
1106 |
1140 |
1000 |
1045 |
1059 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
気温 (℃) |
18.0 |
18.0 |
18.5 |
22.5 |
22.5 |
22.9 |
25.0 |
26.6 |
27.0 |
29.0 |
29.0 |
29.0 |
22.9 |
22.9 |
22.9 |
22.4 |
22.4 |
22.4 |
15.6 |
15.6 |
15.8 |
4.0 |
4.2 |
4.0 |
3.5 |
3.5 |
3.5 |
5.0 |
5.0 |
5.0 |
-6.5 |
-2.0 |
-2.0 |
1.0 |
1.0 |
1.0 |
水温 (℃) |
13.0 |
6.0 |
3.4 |
20.0 |
7.5 |
5.0 |
20.3 |
5.5 |
4.0 |
27.7 |
5.4 |
4.5 |
25.0 |
6.9 |
4.2 |
22.4 |
16.9 |
4.6 |
17.0 |
14.4 |
5.1 |
12.0 |
10.7 |
5.0 |
7.5 |
7.0 |
5.4 |
2.9 |
3.9 |
4.3 |
1.9 |
4.2 |
4.2 |
3.0 |
3.4 |
3.4 |
流量 (m3/s) |
30.63 |
30.63 |
30.63 |
5.55 |
5.55 |
5.55 |
15.38 |
15.38 |
15.38 |
14.75 |
14.75 |
14.75 |
23.50 |
23.50 |
23.50 |
38.81 |
38.81 |
38.81 |
19.29 |
19.29 |
19.29 |
19.40 |
19.40 |
19.40 |
19.68 |
19.68 |
19.68 |
8.92 |
8.92 |
8.92 |
13.71 |
13.71 |
13.71 |
20.24 |
20.24 |
20.24 |
採取水深 (m) |
0.5 |
20.5 |
41.0 |
0.5 |
23.3 |
45.6 |
0.5 |
22.8 |
44.6 |
0.5 |
23.0 |
45.0 |
0.5 |
21.3 |
41.5 |
0.5 |
23.2 |
45.4 |
0.5 |
23.4 |
45.8 |
0.5 |
28.8 |
56.6 |
0.5 |
28.8 |
56.6 |
0.5 |
28.0 |
55.0 |
0.5 |
21.0 |
41.0 |
0.5 |
16.2 |
31.4 |
全水深 (m) |
42.0 |
42.0 |
42.0 |
46.6 |
46.6 |
46.6 |
45.6 |
45.6 |
45.6 |
46.0 |
46.0 |
46.0 |
42.5 |
42.5 |
42.5 |
46.4 |
46.4 |
46.4 |
46.8 |
46.8 |
46.8 |
57.6 |
57.6 |
57.6 |
57.6 |
57.6 |
57.6 |
56.0 |
56.0 |
56.0 |
42.0 |
42.0 |
42.0 |
32.4 |
32.4 |
32.4 |
透明度 (m) |
3.50 |
|
|
2.90 |
|
|
3.00 |
|
|
1.70 |
|
|
1.30 |
|
|
2.90 |
|
|
2.40 |
|
|
3.20 |
|
|
3.20 |
|
|
2.90 |
|
|
3.00 |
|
|
3.10 |
|
|
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 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
7.5 |
7.1 |
7.0 |
8.0 |
7.0 |
6.9 |
9.2 |
7.1 |
6.8 |
10.1 |
7.0 |
6.8 |
10.0 |
6.9 |
6.8 |
9.2 |
7.3 |
6.8 |
8.1 |
7.2 |
6.8 |
7.6 |
7.3 |
7.0 |
7.5 |
7.2 |
7.1 |
7.3 |
7.2 |
7.0 |
7.3 |
7.2 |
7.0 |
7.4 |
7.2 |
7.0 |
DO (mg/l) |
10.8 |
9.7 |
7.2 |
10.7 |
8.8 |
4.5 |
11.5 |
8.5 |
3.4 |
11.1 |
8.2 |
3.3 |
10.4 |
6.8 |
2.3 |
10.4 |
8.4 |
1.1 |
9.1 |
7.8 |
1.4 |
10.1 |
9.4 |
< 0.5 |
9.7 |
8.4 |
< 0.5 |
12.5 |
11.1 |
7.8 |
13.1 |
10.3 |
8.0 |
11.8 |
10.8 |
8.8 |
BOD (mg/l) |
0.7 |
< 0.5 |
< 0.5 |
1.4 |
0.5 |
< 0.5 |
1.5 |
< 0.5 |
< 0.5 |
1.6 |
< 0.5 |
< 0.5 |
3.5 |
0.8 |
0.6 |
2.0 |
0.7 |
0.9 |
0.7 |
0.5 |
0.5 |
0.8 |
0.5 |
1.0 |
0.6 |
< 0.5 |
0.6 |
< 0.5 |
0.6 |
0.5 |
0.8 |
0.5 |
1.0 |
0.7 |
0.5 |
0.5 |
COD (mg/l) |
2.4 |
1.9 |
2.0 |
1.9 |
1.2 |
1.4 |
2.5 |
1.4 |
1.7 |
4.2 |
1.7 |
2.1 |
9.1 |
1.2 |
1.3 |
4.7 |
4.3 |
2.0 |
3.0 |
1.6 |
1.6 |
2.1 |
2.2 |
4.9 |
1.9 |
1.7 |
6.4 |
1.8 |
1.8 |
3.5 |
2.1 |
1.8 |
2.3 |
2.1 |
1.8 |
1.8 |
SS (mg/l) |
1 |
1 |
3 |
1 |
< 1 |
2 |
1 |
< 1 |
1 |
7 |
1 |
3 |
10 |
2 |
1 |
4 |
8 |
3 |
2 |
2 |
6 |
1 |
1 |
4 |
1 |
1 |
3 |
1 |
2 |
8 |
2 |
2 |
5 |
4 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
1.3E+01 |
7.8E+00 |
4.5E+00 |
1.4E+01 |
6.8E+00 |
1.3E+01 |
2.3E+01 |
3.3E+01 |
< 1.8E+00 |
7.8E+00 |
7.8E+00 |
7.9E+01 |
1.3E+03 |
3.3E+02 |
7.9E+01 |
4.9E+03 |
3.3E+02 |
4.9E+03 |
3.3E+02 |
3.3E+02 |
3.3E+01 |
2.4E+02 |
3.3E+02 |
1.7E+01 |
4.9E+01 |
3.3E+01 |
7.9E+01 |
4.5E+00 |
< 1.8E+00 |
2.0E+00 |
7.8E+00 |
7.8E+00 |
4.5E+00 |
4.5E+00 |
4.5E+00 |
全窒素 (mg/l) |
0.64 |
0.98 |
1.00 |
0.52 |
0.87 |
1.00 |
0.60 |
0.83 |
0.99 |
0.39 |
0.89 |
1.10 |
0.93 |
0.85 |
1.00 |
0.53 |
0.87 |
1.00 |
0.61 |
0.70 |
0.98 |
0.56 |
0.66 |
2.80 |
0.60 |
0.74 |
4.20 |
0.48 |
0.47 |
0.70 |
0.72 |
0.62 |
0.77 |
0.81 |
0.82 |
0.83 |
全燐 (mg/l) |
0.006 |
0.008 |
0.015 |
0.010 |
0.004 |
0.012 |
0.016 |
0.006 |
0.012 |
0.010 |
0.005 |
0.016 |
0.039 |
0.008 |
0.010 |
0.025 |
0.049 |
0.021 |
0.014 |
0.016 |
0.020 |
0.006 |
0.012 |
0.031 |
0.006 |
0.009 |
0.034 |
0.007 |
0.007 |
0.048 |
0.013 |
0.008 |
0.018 |
0.015 |
0.013 |
0.015 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (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) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
< 0.0002 |
|
|
|
|
|
< 0.0002 |
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
< 0.0006 |
|
|
|
|
|
< 0.0006 |
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
< 0.0003 |
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
1.6 |
< 0.1 |
< 0.1 |
2.0 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.1 |
クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
3 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
17 |
< 2 |
< 2 |
30 |
< 2 |
< 2 |
13 |
< 2 |
< 2 |
11 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
5 |
< 2 |
< 2 |
9 |
10 |
7 |
9 |
5 |
3 |
10 |
7 |
< 2 |
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.27 |
0.61 |
0.63 |
0.34 |
0.78 |
0.92 |
0.36 |
0.44 |
0.44 |
< 0.1 |
0.79 |
0.94 |
< 0.1 |
0.74 |
0.75 |
0.18 |
0.69 |
0.79 |
0.42 |
0.61 |
0.66 |
0.34 |
0.36 |
0.25 |
0.40 |
0.35 |
0.28 |
0.35 |
0.32 |
0.29 |
0.50 |
0.29 |
0.10 |
0.55 |
0.68 |
0.67 |