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 |
2017.04.27 |
2017.04.27 |
2017.04.27 |
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 |
2017.08.17 |
2017.08.17 |
2017.08.17 |
2017.09.20 |
2017.09.20 |
2017.09.20 |
2017.10.11 |
2017.10.11 |
2017.10.11 |
2017.11.15 |
2017.11.15 |
2017.11.15 |
2017.12.19 |
2017.12.19 |
2017.12.19 |
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 |
1011 |
1029 |
1039 |
1042 |
1104 |
1115 |
1020 |
1044 |
1058 |
0949 |
1010 |
1020 |
1040 |
1114 |
1122 |
0935 |
0954 |
1004 |
0937 |
1002 |
1010 |
1020 |
1044 |
1108 |
1012 |
1030 |
1041 |
0939 |
1018 |
1042 |
1000 |
1038 |
1111 |
1005 |
1101 |
1123 |
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 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
12.0 |
13.3 |
12.5 |
15.0 |
16.4 |
16.5 |
21.0 |
21.9 |
22.0 |
28.2 |
33.5 |
33.6 |
21.9 |
22.8 |
22.9 |
23.9 |
25.5 |
26.1 |
13.2 |
12.8 |
12.9 |
10.2 |
10.2 |
10.2 |
1.0 |
1.8 |
1.6 |
0.3 |
-0.1 |
-0.5 |
-1.5 |
-1.1 |
-0.3 |
-3.3 |
-1.8 |
-1.1 |
水温 (℃) |
12.9 |
6.4 |
5.1 |
17.0 |
6.8 |
5.5 |
18.4 |
13.9 |
6.0 |
26.9 |
17.2 |
7.2 |
22.2 |
19.2 |
6.5 |
20.5 |
17.9 |
9.0 |
15.9 |
15.0 |
7.9 |
12.2 |
10.9 |
7.1 |
5.0 |
5.5 |
4.8 |
3.8 |
3.9 |
3.9 |
0.5 |
3.3 |
3.9 |
0.3 |
3.2 |
4.9 |
流量 (m3/s) |
26.44 |
26.44 |
26.44 |
12.29 |
12.29 |
12.29 |
15.37 |
15.37 |
15.37 |
11.32 |
11.32 |
11.32 |
24.17 |
24.17 |
24.17 |
44.14 |
44.14 |
44.14 |
18.84 |
18.84 |
18.84 |
20.04 |
20.04 |
20.04 |
19.96 |
19.96 |
19.96 |
21.94 |
21.94 |
21.94 |
9.36 |
9.36 |
9.36 |
32.88 |
32.88 |
32.88 |
採取水深 (m) |
0.5 |
23.6 |
46.2 |
0.5 |
24.1 |
47.2 |
0.5 |
24.1 |
47.2 |
0.5 |
22.7 |
44.4 |
0.5 |
22.7 |
44.4 |
0.5 |
23.6 |
46.2 |
0.5 |
25.5 |
50 |
0.5 |
29.6 |
58.2 |
0.5 |
28.5 |
56 |
0.5 |
24 |
47 |
0.5 |
21.8 |
42.6 |
0.5 |
18 |
35 |
全水深 (m) |
47.20 |
47.20 |
47.20 |
48.20 |
48.20 |
48.20 |
48.20 |
48.20 |
48.20 |
45.40 |
45.40 |
45.40 |
45.40 |
45.40 |
45.40 |
47.20 |
47.20 |
47.20 |
51.00 |
51.00 |
51.00 |
59.20 |
59.20 |
59.20 |
57.00 |
57.00 |
57.00 |
48.00 |
48.00 |
48.00 |
43.60 |
43.60 |
43.60 |
36.00 |
36.00 |
36.00 |
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 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
茶色 |
茶色 |
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 |
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 |
下水臭 |
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 |
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 |
なし |
なし |
なし |
pH |
7.8 |
7.3 |
7.1 |
8.6 |
7.5 |
7.0 |
7.7 |
7.4 |
6.9 |
7.9 |
7.4 |
7.0 |
8.2 |
7.5 |
7.0 |
8.1 |
7.5 |
7.0 |
7.7 |
7.5 |
7.1 |
7.5 |
7.3 |
7.1 |
7.5 |
7.3 |
7.2 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.4 |
7.3 |
7.0 |
DO (mg/l) |
10.3 |
10.6 |
8.5 |
10.8 |
10.2 |
6.2 |
10.2 |
9.0 |
4.5 |
9.5 |
8.1 |
1.9 |
10.0 |
6.4 |
2.1 |
10.0 |
8.6 |
2.3 |
10.0 |
8.8 |
3.0 |
9.7 |
8.9 |
0.9 |
10.5 |
10.3 |
8.3 |
11.2 |
11.1 |
11.1 |
13.7 |
11.6 |
10.0 |
13.0 |
10.6 |
8.2 |
BOD (mg/l) |
0.9 |
< 0.5 |
0.5 |
0.6 |
< 0.5 |
0.8 |
0.9 |
0.5 |
0.9 |
1.0 |
< 0.5 |
1.0 |
1.0 |
< 0.5 |
0.7 |
1.2 |
0.5 |
0.7 |
0.7 |
< 0.5 |
0.9 |
0.6 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
0.9 |
0.9 |
< 0.5 |
1.0 |
< 0.5 |
< 0.5 |
0.5 |
1.5 |
0.5 |
0.7 |
COD (mg/l) |
1.8 |
1.3 |
1.5 |
1.7 |
1.1 |
2.1 |
2.3 |
1.7 |
2.3 |
2.4 |
1.7 |
4.0 |
3.1 |
3.2 |
5.2 |
3.7 |
3.1 |
2.6 |
2.6 |
2.1 |
4.2 |
2.3 |
2.0 |
3.6 |
1.7 |
1.5 |
2.4 |
1.9 |
1.7 |
1.9 |
1.0 |
1.4 |
1.6 |
1.5 |
1.5 |
1.7 |
SS (mg/l) |
1 |
1 |
2 |
1 |
1 |
5 |
1 |
1 |
2 |
< 1 |
1 |
3 |
3 |
6 |
3 |
3 |
7 |
5 |
3 |
3 |
3 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
0.0E+00 |
4.5E+00 |
2.0E+00 |
4.5E+00 |
2.0E+00 |
2.0E+00 |
1.1E+04 |
1.1E+03 |
1.1E+03 |
1.3E+04 |
7.0E+01 |
2.8E+03 |
1.7E+02 |
1.1E+03 |
3.3E+02 |
7.9E+02 |
1.7E+04 |
1.7E+03 |
3.3E+02 |
3.3E+02 |
1.7E+03 |
1.3E+02 |
4.9E+01 |
3.3E+02 |
1.3E+01 |
4.9E+01 |
4.9E+01 |
3.3E+01 |
1.1E+01 |
1.7E+01 |
2.3E+01 |
7.8E+00 |
2.0E+00 |
7.8E+00 |
2.0E+00 |
0.0E+00 |
全窒素 (mg/l) |
0.51 |
0.53 |
0.62 |
0.27 |
0.50 |
1.07 |
0.56 |
0.51 |
1.19 |
0.47 |
0.52 |
1.33 |
0.50 |
0.70 |
1.66 |
0.54 |
0.62 |
1.33 |
0.52 |
0.58 |
1.60 |
0.51 |
0.54 |
1.38 |
0.50 |
0.53 |
0.87 |
0.56 |
0.53 |
0.56 |
0.56 |
0.51 |
0.55 |
0.61 |
0.51 |
1.20 |
全燐 (mg/l) |
0.008 |
0.008 |
0.014 |
0.005 |
0.005 |
0.041 |
0.015 |
0.010 |
0.031 |
0.012 |
0.011 |
0.063 |
0.012 |
0.037 |
0.032 |
0.022 |
0.036 |
0.023 |
0.013 |
0.015 |
0.035 |
0.011 |
0.012 |
0.023 |
0.008 |
0.009 |
0.026 |
0.010 |
0.010 |
0.012 |
0.018 |
0.008 |
0.013 |
0.012 |
0.009 |
0.011 |
全亜鉛 (mg/l) |
0.002 |
0.001 |
0.001 |
0.001 |
0.002 |
0.001 |
0.001 |
0.003 |
0.001 |
0.001 |
0.002 |
0.005 |
< 0.001 |
0.001 |
0.002 |
0.002 |
0.002 |
0.003 |
0.001 |
0.002 |
0.002 |
0.001 |
0.001 |
0.005 |
0.003 |
0.002 |
0.004 |
0.002 |
0.001 |
0.001 |
0.003 |
0.002 |
0.003 |
0.004 |
0.002 |
0.001 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 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) |
0.003 |
0.004 |
0.005 |
0.001 |
0.004 |
0.002 |
0.004 |
0.002 |
0.003 |
0.005 |
0.002 |
0.001 |
0.006 |
0.011 |
< 0.001 |
0.007 |
0.005 |
0.001 |
0.004 |
0.008 |
< 0.001 |
0.005 |
0.006 |
0.010 |
0.004 |
0.002 |
0.008 |
0.002 |
0.003 |
0.002 |
0.005 |
0.004 |
0.004 |
0.002 |
< 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 |
0.11 |
< 0.05 |
< 0.05 |
0.31 |
< 0.05 |
< 0.05 |
0.40 |
< 0.05 |
< 0.05 |
0.70 |
< 0.05 |
< 0.05 |
0.93 |
< 0.05 |
< 0.05 |
0.77 |
< 0.05 |
< 0.05 |
1.05 |
< 0.05 |
< 0.05 |
0.87 |
< 0.05 |
< 0.05 |
0.18 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
< 0.05 |
クロロフィル-a (ug/l) |
2.4 |
< 2.0 |
< 2.0 |
3.0 |
< 2.0 |
< 2.0 |
3.4 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
6.8 |
5.2 |
< 2.0 |
8.7 |
2.5 |
< 2.0 |
6.5 |
5.2 |
< 2.0 |
2.2 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
< 2.0 |
塩化物イオン (mg/l) |
|
|
|
3.9 |
4.9 |
5.0 |
|
|
|
|
|
|
4.0 |
3.9 |
5.0 |
|
|
|
|
|
|
3.6 |
3.6 |
4.9 |
|
|
|
|
|
|
5.2 |
4.6 |
4.8 |
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
0.23 |
|
|
|
|
|
|
|
|
|
|
|
0.36 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
180 |
26 |
16 |
1400 |
180 |
65 |
20 |
100 |
2 |
4 |
18 |
< 2 |
< 2 |
5 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
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 |
0.003 |
< 0.003 |
0.003 |
< 0.003 |
< 0.003 |
0.003 |
0.005 |
< 0.003 |
0.005 |
0.029 |
< 0.003 |
0.010 |
0.006 |
< 0.003 |
0.012 |
0.003 |
< 0.003 |
< 0.003 |
0.010 |
< 0.003 |
0.007 |
0.009 |
0.003 |
0.004 |
< 0.003 |
0.005 |
0.005 |
0.006 |
0.009 |
0.006 |
0.007 |
< 0.003 |
0.004 |
< 0.003 |