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 |
1994.04.25 |
1994.04.25 |
1994.04.25 |
1994.05.18 |
1994.05.18 |
1994.05.18 |
1994.06.08 |
1994.06.08 |
1994.06.08 |
1994.07.13 |
1994.07.13 |
1994.07.13 |
1994.08.17 |
1994.08.17 |
1994.08.17 |
1994.09.21 |
1994.09.21 |
1994.09.21 |
1994.10.12 |
1994.10.12 |
1994.10.12 |
1994.11.09 |
1994.11.09 |
1994.11.09 |
1994.12.14 |
1994.12.14 |
1994.12.14 |
1995.01.18 |
1995.01.18 |
1995.01.18 |
1995.02.08 |
1995.02.08 |
1995.02.08 |
1995.03.08 |
1995.03.08 |
1995.03.08 |
採取時刻 |
0920 |
0920 |
0920 |
0955 |
0955 |
0955 |
0953 |
0953 |
0953 |
1025 |
1025 |
1025 |
0925 |
0925 |
0925 |
1011 |
1011 |
1011 |
1031 |
1031 |
1031 |
1008 |
1008 |
1140 |
0953 |
0953 |
0953 |
1038 |
1038 |
1038 |
1123 |
1123 |
1123 |
1006 |
1006 |
1006 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
気温 (℃) |
17.1 |
17.1 |
17.1 |
18.5 |
18.5 |
18.5 |
25.0 |
25.0 |
25.0 |
25.6 |
25.6 |
25.6 |
27.4 |
27.4 |
27.4 |
20.0 |
20.0 |
20.0 |
23.0 |
23.0 |
23.0 |
13.5 |
13.5 |
14.5 |
3.2 |
3.2 |
3.2 |
2.2 |
2.2 |
2.2 |
1.4 |
1.4 |
1.4 |
2.5 |
2.5 |
2.5 |
水温 (℃) |
11.1 |
5.4 |
4.2 |
15.0 |
7.0 |
4.8 |
21.0 |
5.8 |
4.5 |
23.0 |
5.5 |
4.7 |
29.9 |
5.9 |
4.7 |
22.9 |
10.4 |
4.9 |
18.3 |
14.6 |
4.9 |
13.2 |
11.8 |
5.3 |
8.3 |
7.2 |
5.0 |
4.6 |
4.5 |
4.5 |
1.9 |
3.8 |
4.2 |
3.5 |
3.9 |
4.2 |
流量 (m3/s) |
22.59 |
22.59 |
22.59 |
22.66 |
22.66 |
22.66 |
14.57 |
14.57 |
14.57 |
13.34 |
13.34 |
13.34 |
3.74 |
3.74 |
3.74 |
27.02 |
27.02 |
27.03 |
22.56 |
22.56 |
22.56 |
13.04 |
13.04 |
13.04 |
20.12 |
20.12 |
20.12 |
9.38 |
9.38 |
9.38 |
14.60 |
14.60 |
14.60 |
3.31 |
3.31 |
3.31 |
採取水深 (m) |
0.5 |
23.1 |
45.2 |
0.5 |
25.0 |
49.0 |
0.5 |
23.5 |
46.0 |
0.5 |
23.2 |
45.4 |
0.5 |
21.3 |
41.5 |
0.5 |
21.7 |
42.4 |
0.5 |
23.1 |
45.2 |
0.5 |
27.0 |
53.0 |
0.5 |
30.2 |
59.4 |
0.5 |
27.1 |
53.2 |
0.5 |
24.0 |
47.0 |
0.5 |
22.0 |
43.0 |
全水深 (m) |
46.20 |
46.20 |
46.20 |
50.00 |
50.00 |
50.00 |
47.00 |
47.00 |
47.00 |
46.40 |
46.40 |
46.40 |
42.50 |
42.50 |
42.50 |
43.40 |
43.40 |
43.40 |
46.20 |
46.20 |
46.20 |
54.00 |
54.00 |
54.00 |
60.40 |
60.40 |
60.40 |
54.20 |
54.20 |
54.20 |
48.00 |
48.00 |
48.00 |
44.00 |
44.00 |
44.00 |
透明度 (m) |
2.80 |
2.80 |
2.80 |
2.70 |
2.70 |
2.70 |
6.00 |
6.00 |
6.00 |
3.70 |
3.70 |
3.70 |
4.60 |
4.60 |
4.60 |
1.90 |
1.90 |
1.90 |
1.70 |
1.70 |
1.70 |
3.90 |
3.90 |
3.90 |
3.30 |
3.30 |
3.30 |
2.80 |
2.80 |
2.80 |
1.50 |
1.50 |
1.50 |
2.40 |
2.40 |
2.40 |
pH |
7.9 |
7.3 |
7.1 |
8.6 |
7.1 |
7.0 |
8.1 |
7.1 |
6.9 |
9.2 |
7.1 |
6.8 |
8.9 |
7.0 |
6.8 |
9.1 |
7.0 |
6.7 |
8.9 |
7.4 |
6.9 |
7.5 |
7.3 |
6.8 |
7.3 |
7.1 |
6.7 |
7.4 |
7.3 |
7.3 |
7.4 |
7.3 |
7.1 |
7.3 |
7.3 |
7.0 |
DO (mg/l) |
11.0 |
11.0 |
9.1 |
11.0 |
9.8 |
8.8 |
9.3 |
9.1 |
7.2 |
11.0 |
9.6 |
1.9 |
8.5 |
7.9 |
3.7 |
9.9 |
4.4 |
1.8 |
10.0 |
8.5 |
0.7 |
9.3 |
9.0 |
0.8 |
10.0 |
8.2 |
1.0 |
11.0 |
11.0 |
11.0 |
13.0 |
11.0 |
9.3 |
12.0 |
11.0 |
5.2 |
BOD (mg/l) |
0.7 |
< 0.5 |
< 0.5 |
1.6 |
< 0.5 |
< 0.5 |
0.9 |
< 0.5 |
< 0.5 |
0.8 |
0.5 |
0.5 |
1.0 |
< 0.5 |
0.5 |
1.4 |
0.6 |
0.6 |
1.3 |
0.5 |
0.5 |
0.7 |
0.5 |
0.5 |
0.8 |
0.7 |
0.8 |
0.5 |
0.9 |
0.8 |
0.7 |
0.6 |
< 0.5 |
0.6 |
0.6 |
0.6 |
COD (mg/l) |
1.4 |
1.0 |
1.0 |
2.1 |
1.2 |
1.4 |
2.3 |
1.0 |
1.5 |
2.4 |
0.7 |
1.4 |
2.5 |
1.1 |
1.1 |
3.7 |
4.0 |
1.5 |
3.0 |
1.8 |
1.8 |
1.5 |
1.4 |
1.6 |
1.4 |
1.4 |
1.6 |
1.5 |
1.5 |
1.5 |
1.4 |
1.8 |
2.1 |
1.1 |
1.5 |
1.8 |
SS (mg/l) |
1 |
1 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
4 |
12 |
2 |
3 |
5 |
7 |
1 |
1 |
7 |
1 |
1 |
4 |
2 |
2 |
3 |
4 |
2 |
5 |
< 1 |
1 |
3 |
大腸菌群数 (MPN/100ml) |
2.0E+00 |
4.5E+00 |
0.0E+00 |
2.0E+00 |
4.5E+00 |
0.0E+00 |
4.5E+00 |
0.0E+00 |
0.0E+00 |
3.3E+01 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
2.0E+00 |
7.0E+00 |
2.2E+02 |
2.4E+02 |
4.9E+01 |
2.4E+02 |
7.9E+02 |
7.9E+01 |
4.9E+01 |
4.9E+01 |
1.3E+01 |
3.3E+01 |
3.3E+01 |
7.8E+00 |
2.0E+00 |
4.5E+00 |
7.9E+01 |
0.0E+00 |
2.0E+00 |
2.0E+00 |
0.0E+00 |
0.0E+00 |
全窒素 (mg/l) |
|
|
|
0.50 |
0.55 |
0.65 |
|
|
|
0.48 |
0.66 |
1.00 |
|
|
|
1.25 |
1.00 |
0.58 |
|
|
|
1.20 |
1.20 |
1.58 |
|
|
|
0.97 |
0.86 |
1.00 |
|
|
|
0.54 |
0.54 |
0.78 |
全燐 (mg/l) |
|
|
|
0.021 |
0.005 |
0.009 |
|
|
|
0.012 |
0.004 |
0.020 |
|
|
|
0.034 |
0.030 |
0.021 |
|
|
|
0.011 |
0.012 |
0.023 |
|
|
|
0.008 |
0.010 |
0.010 |
|
|
|
0.005 |
0.006 |
0.015 |
カドミウム (mg/l) |
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
|
|
|
< 0.001 |
|
|
全シアン (mg/l) |
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
|
|
|
N |
|
|
鉛 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
六価クロム (mg/l) |
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
|
|
|
< 0.040 |
|
|
砒素 (mg/l) |
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
< 0.005 |
|
|
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
< 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 |
< 0.002 |
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
|
|
|
00.100 |
00.100 |
00.100 |
|
|
|
00.100 |
00.100 |
00.300 |
|
|
|
00.100 |
00.100 |
00.100 |
|
|
|
00.100 |
00.100 |
00.100 |
|
|
|
00.100 |
00.100 |
00.100 |
|
|
|
00.100 |
00.100 |
00.300 |
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |