測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01954 |
北上川(4) |
北上川橋 |
A |
測定結果
採取年月日 |
1993.04.15 |
1993.04.26 |
1993.05.06 |
1993.05.19 |
1993.06.02 |
1993.06.23 |
1993.07.07 |
1993.07.21 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.18 |
1993.09.02 |
1993.09.22 |
1993.10.06 |
1993.10.20 |
1993.11.10 |
1993.11.24 |
1993.12.08 |
1993.12.15 |
1994.01.12 |
1994.01.26 |
1994.02.09 |
1994.02.16 |
1994.03.02 |
1994.03.14 |
採取時刻 |
1150 |
1145 |
1150 |
1240 |
1315 |
1145 |
1200 |
1200 |
0200 |
0800 |
1400 |
2000 |
1310 |
1405 |
1230 |
1220 |
1230 |
1200 |
1250 |
1150 |
1140 |
1200 |
1150 |
1200 |
1145 |
1155 |
1355 |
天候 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
気温 (℃) |
16.3 |
14.9 |
18.3 |
25.1 |
19.4 |
20.7 |
22.3 |
22.8 |
18.7 |
20.4 |
21.2 |
20.2 |
30.0 |
26.3 |
19.6 |
19.6 |
16.8 |
13.1 |
4.4 |
6.9 |
2.0 |
4.8 |
3.1 |
7.2 |
5.5 |
3.5 |
5.4 |
水温 (℃) |
8.5 |
9.1 |
11.5 |
14.4 |
16.5 |
16.0 |
19.2 |
16.9 |
17.5 |
18.0 |
18.3 |
17.8 |
20.2 |
19.2 |
16.0 |
13.4 |
12.9 |
8.8 |
7.0 |
4.3 |
3.5 |
2.2 |
2.1 |
4.3 |
2.8 |
4.2 |
4.1 |
流量 (m3/s) |
265.00 |
411.00 |
338.00 |
530.00 |
268.00 |
441.00 |
177.00 |
297.00 |
211.00 |
221.00 |
211.00 |
183.00 |
259.00 |
221.00 |
427.00 |
213.00 |
163.00 |
177.00 |
246.00 |
313.00 |
321.00 |
179.00 |
176.60 |
170.00 |
165.00 |
233.00 |
202.00 |
pH |
7.5 |
7.1 |
7 |
7.2 |
7.4 |
7.3 |
7.6 |
7.4 |
7.4 |
7.4 |
7.4 |
7.6 |
7.4 |
7.5 |
7.3 |
7.5 |
8 |
7.4 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
7.6 |
7.5 |
7.4 |
7.4 |
DO (mg/l) |
11 |
11 |
10 |
10 |
9.2 |
9 |
8.4 |
8.8 |
8.8 |
8.9 |
8.7 |
8.9 |
8.6 |
8.6 |
9.1 |
9.7 |
11 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
1.3 |
1.7 |
2 |
1.3 |
1.1 |
0.8 |
1.2 |
0.8 |
0.7 |
0.7 |
0.7 |
0.7 |
1.4 |
0.6 |
0.7 |
1 |
1.2 |
1.1 |
1.5 |
1.3 |
1.7 |
1.2 |
1 |
1.8 |
1.7 |
1.2 |
1.3 |
COD (mg/l) |
2.1 |
|
|
3.2 |
2.2 |
|
3.6 |
|
|
2 |
|
|
|
2.7 |
|
1.8 |
|
1.9 |
|
|
1.7 |
2 |
|
2.5 |
|
2.5 |
|
SS (mg/l) |
5 |
19 |
16 |
20 |
6 |
9 |
8 |
11 |
4 |
4 |
4 |
4 |
9 |
11 |
13 |
4 |
3 |
4 |
8 |
5 |
5 |
4 |
6 |
7 |
5 |
9 |
6 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
4.9E+03 |
1.3E+03 |
2.4E+03 |
4.9E+03 |
3.3E+03 |
7.9E+03 |
2.2E+03 |
7.9E+02 |
2.2E+03 |
1.1E+03 |
7.9E+02 |
4.9E+03 |
1.7E+03 |
2.2E+03 |
7.9E+02 |
4.9E+02 |
2.3E+02 |
7.9E+02 |
7.9E+02 |
1.7E+03 |
3.3E+02 |
3.3E+02 |
3.3E+02 |
1.1E+03 |
1.3E+03 |
1.3E+04 |
全窒素 (mg/l) |
|
|
|
1.1 |
|
|
1.1 |
|
|
|
|
|
|
1 |
|
|
|
0.77 |
|
|
|
1.1 |
|
|
|
1.1 |
|
全燐 (mg/l) |
|
|
|
0.079 |
|
|
0.083 |
|
|
|
|
|
|
0.058 |
|
|
|
0.057 |
|
|
|
0.05 |
|
|
|
0.052 |
|
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 |
全シアン (mg/l) |
|
N |
N |
|
|
N |
|
N |
|
|
|
|
N |
|
N |
|
N |
|
N |
N |
|
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
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 |
六価クロム (mg/l) |
|
< 0.04 |
< 0.04 |
|
|
< 0.04 |
|
< 0.04 |
|
|
|
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
< 0.04 |
|
|
< 0.04 |
|
< 0.04 |
|
< 0.04 |
砒素 (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 |
総水銀 (mg/l) |
|
< 0 |
< 0 |
|
|
< 0 |
|
< 0 |
|
|
|
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
< 0 |
|
|
< 0 |
|
< 0 |
|
< 0 |
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 |
|
|
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 |
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
3 |
|
|
1.7 |
|
|
|
|
|
|
2.5 |
|
|
|
1.2 |
|
|
|
1.7 |
|
|
|
2.1 |
|