測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01851 |
北上川(3) |
紫波橋 |
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 |
1000 |
0935 |
0930 |
0940 |
0945 |
0925 |
0955 |
0930 |
0010 |
0610 |
1210 |
1810 |
0940 |
1000 |
0930 |
0940 |
0935 |
0930 |
0935 |
0935 |
0935 |
0950 |
0930 |
0940 |
0920 |
0935 |
0940 |
天候 |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
16.1 |
13.5 |
14.9 |
22.0 |
18.9 |
18.5 |
19.0 |
19.8 |
17.4 |
17.4 |
20.9 |
19.3 |
27.0 |
22.8 |
16.7 |
19.3 |
11.5 |
6.7 |
0.3 |
0.9 |
0.6 |
0.0 |
0.9 |
2.2 |
2.7 |
4.6 |
0.7 |
水温 (℃) |
8.1 |
8.9 |
9.2 |
12.0 |
16.0 |
15.9 |
16.0 |
16.9 |
18.0 |
16.1 |
18.5 |
19.4 |
19.1 |
18.0 |
13.8 |
12.0 |
10.5 |
7.2 |
6.6 |
3.5 |
2.0 |
1.0 |
1.8 |
1.9 |
2.0 |
3.1 |
2.5 |
流量 (m3/s) |
93.10 |
162.90 |
112.70 |
197.40 |
117.30 |
139.20 |
63.00 |
64.70 |
91.10 |
75.40 |
75.40 |
83.10 |
77.20 |
49.10 |
77.20 |
49.10 |
42.00 |
71.80 |
49.10 |
64.80 |
84.70 |
63.20 |
46.20 |
43.40 |
45.60 |
64.70 |
66.40 |
pH |
7.6 |
7.3 |
7.2 |
7.2 |
7.4 |
7.3 |
7.5 |
7.4 |
7.4 |
7.4 |
7.6 |
7.6 |
7.5 |
7.5 |
7.4 |
7.5 |
7.5 |
7.4 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.3 |
7.4 |
7.4 |
DO (mg/l) |
12 |
11 |
11 |
10 |
10 |
9.2 |
9.5 |
9.4 |
8.7 |
8.7 |
9.6 |
9.2 |
9.5 |
9.5 |
9.7 |
10 |
11 |
12 |
11 |
12 |
13 |
13 |
13 |
12 |
13 |
13 |
13 |
BOD (mg/l) |
2.3 |
|
|
2.1 |
1.6 |
|
2.6 |
|
|
1.6 |
|
|
2.3 |
|
|
2.1 |
1.6 |
|
2.6 |
|
|
1.6 |
|
|
1.6 |
1 |
1.2 |
COD (mg/l) |
1.8 |
|
2 |
|
1.6 |
|
|
2.1 |
2.1 |
|
|
|
|
2.3 |
|
2 |
|
2.4 |
|
1.6 |
|
1.6 |
|
1.9 |
|
2.1 |
|
SS (mg/l) |
4 |
9 |
5 |
10 |
2 |
5 |
6 |
5 |
3 |
4 |
2 |
2 |
4 |
2 |
6 |
2 |
1 |
2 |
4 |
3 |
2 |
1 |
6 |
2 |
7 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
3.3E+03 |
1.7E+02 |
1.3E+03 |
3.3E+03 |
7.3E+03 |
4.9E+03 |
4.9E+03 |
2.2E+03 |
2.8E+04 |
7.9E+03 |
7.9E+03 |
1.3E+04 |
7.9E+03 |
1.3E+03 |
7.9E+03 |
1.3E+03 |
4.9E+02 |
7.9E+02 |
4.9E+02 |
7.9E+02 |
3.3E+03 |
1.1E+03 |
1.1E+03 |
1.1E+04 |
4.9E+03 |
4.9E+02 |
1.7E+03 |
全窒素 (mg/l) |
|
|
|
1.1 |
|
|
1.2 |
|
|
|
|
|
|
1.1 |
|
|
|
0.9 |
|
|
|
1.4 |
|
|
|
1.5 |
|
全燐 (mg/l) |
|
|
|
0.033 |
|
|
0.051 |
|
|
|
|
|
|
0.034 |
|
|
|
0.04 |
|
|
|
0.039 |
|
|
|
0.047 |
|
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 |
|
|
|
< 0.002 |
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
< 0.0005 |
|
|
< 0.0005 |
|
|
|
|
|
|
|
< 0.0005 |
|
|
< 0.0005 |
|
|
|
< 0.0005 |
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
2.3 |
|
|
2.4 |
|
|
|
|
|
|
1.5 |
|
|
|
0.8 |
|
|
|
1.1 |
|
|
|
2.1 |
|