測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
00802 |
閉伊川下流 |
宮古橋 |
A |
測定結果
採取年月日 |
1990.04.18 |
1990.05.09 |
1990.06.20 |
1990.07.04 |
1990.08.22 |
1990.09.05 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.01 |
1990.10.02 |
1990.10.02 |
1990.10.02 |
1990.10.02 |
1990.10.02 |
1990.10.17 |
1990.11.07 |
1990.12.11 |
1991.01.16 |
1991.02.13 |
1991.03.06 |
採取時刻 |
1120 |
1045 |
1415 |
1405 |
1210 |
1045 |
0900 |
1115 |
1325 |
1500 |
1710 |
1900 |
2100 |
2300 |
0100 |
0300 |
0500 |
0700 |
0900 |
1050 |
1150 |
1105 |
1035 |
1110 |
1310 |
天候 |
曇り |
快晴 |
晴れ |
曇り |
晴れ |
晴れ |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
一時雨 |
晴れ |
曇り |
快晴 |
雨 |
快晴 |
晴れ |
晴れ |
気温 (℃) |
|
22.5 |
|
|
|
25.5 |
17 |
19.5 |
20.5 |
19.7 |
19 |
18 |
17.2 |
16.8 |
16.5 |
14.8 |
13.5 |
15 |
20.3 |
|
19.5 |
|
|
4.5 |
14 |
水温 (℃) |
7.2 |
14.5 |
22.5 |
14.7 |
|
20.3 |
15.3 |
11.6 |
11.8 |
12 |
12.1 |
12 |
11.5 |
9.2 |
9 |
9.7 |
10.4 |
10.2 |
11 |
14.5 |
13.5 |
7.8 |
3.7 |
4 |
7.7 |
pH |
6.7 |
7.2 |
7.6 |
7.5 |
7.1 |
7.4 |
7 |
7.2 |
7.3 |
7.4 |
7.3 |
7.4 |
7.4 |
7.7 |
7.8 |
7.6 |
7.5 |
7.4 |
7.5 |
|
6.8 |
6.7 |
7.2 |
7.4 |
7.2 |
DO (mg/l) |
12.6 |
10.6 |
9.5 |
9.9 |
9.1 |
9.1 |
9.8 |
9.9 |
10 |
10 |
9.9 |
9.5 |
9.5 |
8.5 |
8.3 |
9.3 |
9.2 |
9.3 |
9.8 |
|
10.5 |
11.5 |
12.8 |
12.3 |
12.6 |
BOD (mg/l) |
< 0.5 |
0.5 |
0.6 |
0.7 |
< 0.5 |
0.5 |
0.8 |
0.5 |
< 0.5 |
0.6 |
0.5 |
0.5 |
0.5 |
0.8 |
0.8 |
0.6 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
0.8 |
0.7 |
0.6 |
COD (mg/l) |
|
|
|
|
|
|
2.1 |
1.5 |
1.3 |
1.3 |
1.3 |
1.5 |
1.4 |
2.4 |
2.4 |
1.7 |
2.1 |
1.6 |
1.5 |
|
|
|
|
|
|
SS (mg/l) |
3 |
< 1 |
1 |
3 |
< 1 |
4 |
2 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
1 |
1 |
1 |
< 1 |
1 |
|
1 |
3 |
6 |
2 |
大腸菌群数 (MPN/100ml) |
3.3E+02 |
4.9E+02 |
1.3E+03 |
4.9E+04 |
2.4E+03 |
2.4E+04 |
|
|
1.4E+04 |
|
|
1.4E+04 |
|
|
4.9E+03 |
|
|
7.9E+03 |
|
4.9E+03 |
4.9E+03 |
4.9E+03 |
7.9E+02 |
2.4E+02 |
2.2E+02 |
全窒素 (mg/l) |
0.67 |
0.67 |
0.13 |
0.45 |
0.66 |
0.35 |
|
0.44 |
|
0.38 |
|
0.45 |
|
0.38 |
|
0.37 |
|
0.36 |
|
0.43 |
0.59 |
0.66 |
0.52 |
0.64 |
0.64 |
全燐 (mg/l) |
0.03 |
0.049 |
0.023 |
0.067 |
0.037 |
0.029 |
|
0.014 |
|
0.016 |
|
0.013 |
|
0.022 |
|
0.011 |
|
0.014 |
|
0.032 |
0.05 |
0.011 |
0.029 |
0.051 |
0.055 |
カドミウム (mg/l) |
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
砒素 (mg/l) |
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
総水銀 (mg/l) |
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
マンガン(溶解性) (mg/l) |
0.1 |
|
0.1 |
|
0.3 |
|
|
|
0.1 |
|
|
0.1 |
|
|
0.4 |
|
|
0.1 |
|
0.1 |
|
0.1 |
|
0.2 |
|
ふっ素 (mg/l) |
< 0.005 |
< 0.005 |
< 0.005 |
0.02 |
< 0.005 |
0.01 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
0.03 |
|
|
0.01 |
|
< 0.005 |
< 0.005 |
< 0.005 |
0.01 |
0.03 |
0.01 |