測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
04602 |
雫石川上流 |
葛根田橋 |
A |
測定結果
採取年月日 |
1994.04.20 |
1994.05.11 |
1994.06.22 |
1994.07.06 |
1994.08.24 |
1994.09.07 |
1994.10.26 |
1994.11.02 |
1994.12.07 |
1995.01.18 |
1995.02.15 |
1995.03.01 |
採取時刻 |
1356 |
1228 |
1205 |
1215 |
1200 |
1218 |
1125 |
1155 |
1240 |
1125 |
1110 |
1120 |
天候 |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
雪 |
曇り |
気温 (℃) |
16.0 |
21.2 |
23.0 |
26.0 |
28.5 |
26.8 |
13.5 |
12.4 |
8.0 |
1.5 |
1.0 |
2.5 |
水温 (℃) |
12.7 |
13.0 |
17.0 |
19.0 |
24.5 |
21.0 |
10.0 |
11.3 |
6.0 |
3.0 |
4.1 |
6.0 |
pH |
7.4 |
7.2 |
7.1 |
7.2 |
7.7 |
7.0 |
7.5 |
7.8 |
7.3 |
7.4 |
7.7 |
7.6 |
DO (mg/l) |
|
10.0 |
|
8.8 |
|
8.4 |
|
11.0 |
|
13.0 |
|
12.0 |
BOD (mg/l) |
|
< 0.5 |
|
0.5 |
|
< 0.5 |
|
1.4 |
|
< 0.5 |
|
< 0.5 |
COD (mg/l) |
|
2.0 |
|
2.7 |
|
6.1 |
|
1.1 |
|
0.7 |
|
0.8 |
SS (mg/l) |
|
6 |
|
4 |
|
28 |
|
1 |
|
3 |
|
1 |
大腸菌群数 (MPN/100ml) |
|
3.3E+03 |
|
2.7E+04 |
|
2.4E+04 |
|
2.4E+03 |
|
7.9E+04 |
|
3.3E+02 |
全窒素 (mg/l) |
|
0.25 |
|
0.70 |
|
0.25 |
|
0.12 |
|
0.47 |
|
0.34 |
全燐 (mg/l) |
|
0.022 |
|
0.030 |
|
0.035 |
|
0.021 |
|
0.027 |
|
0.054 |
カドミウム (mg/l) |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
鉛 (mg/l) |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 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 |
< 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 |
0.008 |
< 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 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
アルキル水銀 (mg/l) |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
1,3-ジクロロプロペン (mg/l) |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
チウラム (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 |
シマジン (mg/l) |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
チオベンカルブ (mg/l) |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
銅 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
亜鉛 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.01 |
< 0.01 |
鉄(溶解性) (mg/l) |
0.21 |
0.19 |
0.26 |
0.39 |
0.21 |
0.28 |
0.06 |
0.07 |
0.14 |
0.07 |
0.04 |
< 0.04 |
ふっ素 (mg/l) |
|
0.10 |
|
|
|
|
|
|
|
|
|
|
EPN (mg/l) |
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
18 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
塩化物イオン (mg/l) |
|
3 |
|
3 |
|
< 2 |
|
3 |
|
< 2 |
|
4.8 |