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 |
2007.04.25 |
2007.04.25 |
2007.04.25 |
2007.05.22 |
2007.05.22 |
2007.05.22 |
2007.06.13 |
2007.06.13 |
2007.06.13 |
2007.07.11 |
2007.07.11 |
2007.07.11 |
2007.08.28 |
2007.08.28 |
2007.08.28 |
2007.09.26 |
2007.09.26 |
2007.09.26 |
2007.10.16 |
2007.10.16 |
2007.10.16 |
2007.11.14 |
2007.11.14 |
2007.11.14 |
2007.12.12 |
2007.12.12 |
2007.12.12 |
2008.01.09 |
2008.01.09 |
2008.01.09 |
2008.02.06 |
2008.02.06 |
2008.02.06 |
2008.03.05 |
2008.03.05 |
2008.03.05 |
採取時刻 |
1000 |
1040 |
1105 |
1002 |
1055 |
1132 |
0930 |
1032 |
1106 |
0950 |
1036 |
1106 |
1050 |
1135 |
1210 |
0950 |
1040 |
1123 |
1102 |
1211 |
1259 |
1015 |
1117 |
1213 |
0940 |
1032 |
1105 |
1105 |
1155 |
1228 |
1025 |
1145 |
1217 |
1007 |
1140 |
1215 |
天候 |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雨 |
雨 |
雨 |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
気温 (℃) |
12 |
11 |
11 |
22.2 |
21.8 |
21.7 |
27.2 |
26.8 |
27.3 |
23 |
21.5 |
21.5 |
22.2 |
22.5 |
22 |
18.8 |
19.5 |
20 |
14 |
15 |
15.5 |
13.8 |
14 |
14 |
5.5 |
6.2 |
6.5 |
-1 |
0.2 |
0.5 |
-3.1 |
-1.7 |
-0.8 |
0.8 |
2 |
2.2 |
水温 (℃) |
11 |
5.5 |
4.5 |
16.8 |
6.2 |
4.4 |
25.1 |
6.9 |
5.4 |
22.5 |
9.4 |
4.9 |
23.9 |
13.5 |
5.9 |
22 |
17.8 |
8.8 |
16.8 |
14.9 |
7.3 |
13.5 |
12.2 |
7 |
8.2 |
7.2 |
6.2 |
4.8 |
4.5 |
4.1 |
1 |
3 |
3 |
1 |
3 |
4 |
流量 (m3/s) |
51.36 |
51.36 |
51.36 |
25.75 |
25.75 |
25.75 |
12.8 |
12.8 |
12.8 |
26.79 |
26.79 |
26.79 |
31.56 |
31.56 |
31.56 |
34.96 |
34.96 |
34.96 |
17.56 |
17.56 |
17.56 |
19.2 |
19.2 |
19.2 |
33.27 |
33.27 |
33.27 |
18.1 |
18.1 |
18.1 |
9.44 |
9.44 |
9.44 |
18.13 |
18.13 |
18.13 |
採取水深 (m) |
0.5 |
24.1 |
47.2 |
0.5 |
26.8 |
52.6 |
0.5 |
24.6 |
48.2 |
0.5 |
23.9 |
46.8 |
0.5 |
23 |
45 |
0.5 |
22.8 |
44.6 |
0.5 |
23.8 |
46.6 |
0.5 |
27.4 |
53.8 |
0.5 |
28.3 |
55.6 |
0.5 |
29.9 |
58.8 |
0.5 |
17.9 |
34.8 |
0.5 |
13.65 |
26.3 |
全水深 (m) |
48.2 |
48.2 |
48.2 |
53.6 |
53.6 |
53.6 |
49.2 |
49.2 |
49.2 |
47.8 |
47.8 |
47.8 |
46 |
46 |
46 |
45.6 |
45.6 |
45.6 |
47.6 |
47.6 |
47.6 |
54.8 |
54.8 |
54.8 |
56.6 |
56.6 |
56.6 |
59.8 |
59.8 |
59.8 |
35.8 |
35.8 |
35.8 |
27.3 |
27.3 |
27.3 |
透明度 (m) |
2.3 |
|
|
2.3 |
|
|
2.6 |
|
|
2 |
|
|
2.5 |
|
|
2.6 |
|
|
3.3 |
|
|
4.5 |
|
|
5.2 |
|
|
4.7 |
|
|
4.6 |
|
|
3.2 |
|
|
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 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
微白濁 |
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 |
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 |
7.6 |
7.3 |
7.2 |
9.1 |
7.4 |
7.1 |
9.4 |
7.3 |
7.1 |
9.0 |
7.1 |
6.9 |
9.2 |
7.1 |
7.0 |
9.6 |
7.5 |
7.1 |
8.0 |
7.3 |
6.9 |
7.6 |
7.2 |
7.0 |
7.3 |
7.2 |
7.2 |
7.4 |
7.3 |
7.3 |
7.5 |
7.4 |
7.3 |
7.4 |
7.3 |
7.3 |
DO (mg/l) |
11 |
11 |
8.4 |
11 |
10 |
6.5 |
11 |
9.5 |
5.3 |
10 |
7.3 |
2.8 |
12 |
5.4 |
2.0 |
10 |
8.2 |
1.7 |
10 |
7.0 |
1.2 |
9.7 |
7.2 |
1.0 |
9.7 |
8.9 |
7.7 |
10 |
10 |
10 |
13 |
10 |
10 |
12 |
11 |
11 |
BOD (mg/l) |
1.0 |
0.6 |
0.8 |
1.4 |
0.6 |
0.9 |
1.2 |
0.6 |
0.7 |
1.5 |
1.1 |
1.1 |
1.6 |
1.2 |
1.1 |
1.5 |
1.2 |
1.0 |
1.3 |
0.9 |
0.9 |
0.7 |
0.6 |
0.8 |
0.7 |
0.7 |
1.1 |
0.8 |
0.9 |
0.7 |
0.7 |
0.7 |
0.7 |
0.5 |
< 0.5 |
0.6 |
COD (mg/l) |
2.1 |
1.6 |
2.0 |
3.0 |
1.9 |
2.2 |
2.8 |
1.5 |
1.8 |
4.4 |
2.4 |
2.2 |
3.0 |
2.5 |
2.3 |
4.4 |
3.3 |
2.6 |
3.4 |
2.2 |
2.2 |
2.2 |
1.6 |
2.8 |
1.8 |
1.9 |
2.6 |
1.6 |
1.8 |
1.7 |
1.5 |
1.6 |
1.6 |
1.2 |
1.0 |
1.5 |
SS (mg/l) |
2 |
1 |
2 |
2 |
< 1 |
1 |
3 |
< 1 |
1 |
2 |
2 |
1 |
2 |
1 |
2 |
3 |
3 |
14 |
2 |
4 |
10 |
1 |
1 |
11 |
< 1 |
1 |
8 |
1 |
2 |
3 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
4.5 |
2 |
0 |
7.8 |
17 |
4.5 |
7.8 |
2 |
2 |
2 |
49 |
17 |
49 |
330 |
49 |
79 |
240 |
790 |
490 |
330 |
240 |
79 |
49 |
110 |
33 |
23 |
110 |
33 |
110 |
110 |
7.8 |
4.5 |
4.5 |
2 |
0 |
4.5 |
全窒素 (mg/l) |
0.59 |
0.61 |
0.76 |
0.54 |
0.64 |
0.86 |
0.25 |
0.62 |
0.76 |
0.65 |
0.69 |
0.86 |
0.53 |
0.75 |
0.94 |
0.52 |
0.70 |
0.80 |
0.66 |
0.60 |
0.77 |
0.52 |
0.53 |
0.95 |
0.52 |
0.56 |
0.78 |
0.53 |
0.57 |
0.60 |
0.59 |
0.60 |
0.55 |
0.57 |
0.55 |
0.54 |
全燐 (mg/l) |
0.016 |
0.009 |
0.005 |
0.009 |
0.007 |
0.015 |
0.011 |
0.008 |
0.012 |
0.042 |
0.019 |
0.022 |
0.026 |
0.018 |
0.023 |
0.022 |
0.023 |
0.040 |
0.014 |
0.023 |
0.032 |
0.008 |
0.012 |
0.036 |
0.007 |
0.010 |
0.029 |
0.008 |
0.014 |
0.017 |
0.008 |
0.006 |
0.008 |
0.009 |
0.008 |
0.008 |
全亜鉛 (mg/l) |
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.011 |
|
|
0.005 |
|
|
0.006 |
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
0.03 |
< 0.02 |
< 0.02 |
0.03 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
0.07 |
< 0.02 |
< 0.02 |
0.04 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
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 |
0.2 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.4 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
4 |
3 |
2 |
9 |
< 2 |
< 2 |
6 |
< 2 |
< 2 |
17 |
< 2 |
< 2 |
13 |
< 2 |
< 2 |
15 |
< 2 |
< 2 |
15 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
75 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
45 |
> 100 |
90 |
58 |
> 100 |
> 100 |
45 |
> 100 |
> 100 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.39 |
0.50 |
0.42 |
0.21 |
0.48 |
0.39 |
0.05 |
0.51 |
0.58 |
0.15 |
0.59 |
0.56 |
0.23 |
0.60 |
0.31 |
0.14 |
0.60 |
0.59 |
0.34 |
0.49 |
0.42 |
0.36 |
0.43 |
0.18 |
0.42 |
0.40 |
0.38 |
0.43 |
0.44 |
0.41 |
0.49 |
0.48 |
0.48 |
0.45 |
0.48 |
0.48 |