測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01901 |
北上川(4) |
千歳橋(狐禅寺) |
A |
測定結果
採取年月日 |
1989.04.24 |
1989.04.28 |
1989.05.10 |
1989.05.24 |
1989.06.07 |
1989.06.21 |
1989.07.05 |
1989.07.19 |
1989.08.01 |
1989.08.01 |
1989.08.01 |
1989.08.02 |
1989.08.23 |
1989.09.18 |
1989.09.27 |
1989.10.04 |
1989.10.18 |
1989.11.08 |
1989.11.22 |
1989.12.06 |
1989.12.20 |
1990.01.10 |
1990.01.24 |
1990.02.01 |
1990.02.23 |
1990.03.01 |
1990.03.07 |
採取時刻 |
1235 |
1300 |
1250 |
1130 |
1055 |
1120 |
1145 |
1135 |
1100 |
1700 |
2300 |
0500 |
1220 |
1115 |
1130 |
1105 |
1250 |
1110 |
1140 |
1105 |
1150 |
1130 |
1320 |
1115 |
1140 |
1100 |
1200 |
天候 |
雨 |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
雨 |
曇り |
雨 |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
雨 |
曇り |
雪 |
曇り |
晴れ |
晴れ |
気温 (℃) |
10 |
6.5 |
22 |
27 |
23 |
19.8 |
24.7 |
25.1 |
30.5 |
24 |
23 |
22.2 |
32.6 |
27.5 |
21.2 |
14.2 |
14.1 |
13.8 |
10 |
7.5 |
2.2 |
0.3 |
-2.6 |
-3.5 |
9.3 |
7 |
11.5 |
水温 (℃) |
9.8 |
8.4 |
14.6 |
17.7 |
17.8 |
15.8 |
18.7 |
22.3 |
25.5 |
26 |
25 |
24.9 |
27.6 |
19 |
16 |
14 |
12 |
11.5 |
8.8 |
5.5 |
0.9 |
2 |
-0.2 |
0.5 |
5 |
3.6 |
5.4 |
流量 (m3/s) |
537.1 |
578.1 |
234.2 |
228.2 |
158.1 |
202.5 |
132.3 |
100.8 |
|
|
|
|
|
350.2 |
399.2 |
287.6 |
199.7 |
178.3 |
225.3 |
376.2 |
240.2 |
134.5 |
110.8 |
102.8 |
472.4 |
346.6 |
271.3 |
pH |
7 |
7.2 |
7.2 |
7.4 |
7.2 |
7.3 |
7.5 |
7.3 |
7.4 |
7.6 |
7.5 |
7.5 |
7.5 |
7.4 |
7.4 |
7.5 |
7.6 |
7.4 |
7.4 |
7.2 |
7.3 |
7.2 |
7.1 |
7.3 |
7.2 |
7.1 |
7.2 |
DO (mg/l) |
10.7 |
11.2 |
10.6 |
10.1 |
9 |
9.2 |
8.8 |
8.5 |
8.9 |
9.3 |
7.9 |
7.3 |
8.5 |
8.9 |
9.6 |
9.8 |
10.8 |
10.1 |
10.1 |
12.8 |
13.8 |
13.4 |
14.5 |
13.8 |
12.3 |
13 |
12.5 |
BOD (mg/l) |
1.2 |
1.2 |
1.6 |
1.7 |
2.5 |
1.9 |
2.7 |
1.3 |
2.9 |
2.2 |
2.8 |
1.9 |
1.4 |
0.8 |
0.6 |
2.2 |
2.8 |
3.6 |
1.5 |
2.1 |
1.7 |
3.3 |
2.8 |
1.6 |
3.5 |
2.3 |
1.4 |
COD (mg/l) |
2.8 |
|
3.2 |
|
4.4 |
|
3.9 |
|
3.2 |
|
|
|
|
2.4 |
|
2.5 |
|
4.7 |
|
2.1 |
|
2.1 |
|
2.5 |
|
2.6 |
|
SS (mg/l) |
18 |
22 |
14 |
10 |
21 |
13 |
13 |
12 |
6 |
6 |
7 |
8 |
8 |
11 |
8 |
11 |
19 |
25 |
10 |
13 |
7 |
4 |
11 |
8 |
24 |
11 |
8 |
大腸菌群数 (MPN/100ml) |
7.0E+03 |
1.7E+04 |
7.9E+03 |
7.9E+02 |
1.3E+03 |
4.9E+03 |
4.9E+03 |
2.4E+03 |
7.9E+03 |
4.9E+03 |
1.3E+04 |
7.9E+03 |
4.9E+03 |
4.9E+03 |
4.9E+02 |
1.7E+03 |
1.3E+03 |
7.9E+03 |
3.3E+02 |
1.3E+03 |
2.2E+03 |
7.9E+03 |
3.3E+03 |
1.4E+04 |
1.1E+04 |
1.3E+05 |
4.9E+03 |
全窒素 (mg/l) |
|
|
1.04 |
|
|
|
1.25 |
|
|
|
|
|
|
1.06 |
|
|
|
1.44 |
|
|
|
0.9 |
|
|
|
0.99 |
|
全燐 (mg/l) |
|
|
0.09 |
|
|
|
0.097 |
|
|
|
|
|
|
0.053 |
|
|
|
0.112 |
|
|
|
0.063 |
|
|
|
0.039 |
|
カドミウム (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 |
全シアン (mg/l) |
|
N |
|
N |
|
N |
|
N |
|
|
|
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
鉛 (mg/l) |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
|
|
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
六価クロム (mg/l) |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
砒素 (mg/l) |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
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 |
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
鉄(溶解性) (mg/l) |
|
|
0.15 |
|
|
|
0.27 |
|
|
|
|
|
|
0.14 |
|
|
|
0.18 |
|
|
|
0.11 |
|
|
|
0.2 |
|