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 |
1994.04.14 |
1994.04.20 |
1994.05.11 |
1994.05.25 |
1994.06.01 |
1994.06.15 |
1994.07.13 |
1994.07.20 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.08.24 |
1994.09.07 |
1994.09.21 |
1994.10.17 |
1994.10.24 |
1994.11.02 |
1994.11.16 |
1994.12.07 |
1994.12.14 |
1995.01.11 |
1995.01.25 |
1995.02.01 |
1995.02.15 |
1995.03.01 |
1995.03.08 |
採取時刻 |
0940 |
0940 |
0925 |
0940 |
1046 |
0940 |
0935 |
1041 |
0000 |
0600 |
1200 |
1800 |
0935 |
1040 |
0930 |
1010 |
0935 |
1059 |
0930 |
1027 |
0940 |
1220 |
0940 |
1039 |
0925 |
1310 |
0925 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
11.8 |
11.4 |
18.2 |
22.2 |
23.5 |
24.1 |
22.7 |
27.4 |
26.0 |
23.5 |
33.2 |
26.5 |
21.5 |
23.4 |
24.4 |
14.6 |
11.1 |
13.8 |
7.5 |
2.4 |
1.9 |
-1.0 |
0.4 |
1.0 |
-0.9 |
5.7 |
3.0 |
水温 (℃) |
6.8 |
8.0 |
11.4 |
14.3 |
15.6 |
18.0 |
19.5 |
24.1 |
26.9 |
25.1 |
27.1 |
26.9 |
23.8 |
22.5 |
19.5 |
14.2 |
10.5 |
11.1 |
8.0 |
4.8 |
4.5 |
3.0 |
1.3 |
2.0 |
1.6 |
3.8 |
2.5 |
流量 (m3/s) |
158.36 |
133.85 |
115.72 |
94.92 |
131.51 |
136.20 |
64.28 |
28.93 |
39.59 |
39.59 |
39.59 |
77.95 |
33.46 |
46.23 |
70.81 |
48.50 |
41.90 |
40.75 |
38.31 |
44.54 |
51.23 |
56.92 |
40.75 |
43.25 |
38.32 |
43.26 |
48.50 |
pH |
7.2 |
7.3 |
7.2 |
7.3 |
7.3 |
7.4 |
7.4 |
7.8 |
7.2 |
7.2 |
7.9 |
7.5 |
7.5 |
7.5 |
7.5 |
7.4 |
7.3 |
7.7 |
7.4 |
7.5 |
7.3 |
7.5 |
7.4 |
7.4 |
7.3 |
7.4 |
7.3 |
DO (mg/l) |
11.6 |
11.9 |
10.8 |
10.8 |
10.0 |
9.4 |
9.5 |
9.2 |
7.5 |
6.7 |
9.5 |
7.3 |
8.3 |
8.3 |
9.5 |
9.7 |
11.0 |
12.0 |
12.0 |
13.0 |
13.0 |
14.0 |
13.0 |
13.0 |
13.0 |
13.0 |
13.0 |
BOD (mg/l) |
1.7 |
1.8 |
1.1 |
1.0 |
1.0 |
1.1 |
1.2 |
1.1 |
1.8 |
2.0 |
2.0 |
2.1 |
1.5 |
1.8 |
1.1 |
1.4 |
1.1 |
1.3 |
1.3 |
1.5 |
1.4 |
1.4 |
1.1 |
1.2 |
2.3 |
1.2 |
2.1 |
COD (mg/l) |
3.5 |
|
2.3 |
|
2.2 |
|
|
2.2 |
|
|
2.7 |
|
|
3.1 |
|
1.6 |
|
1.9 |
|
1.9 |
|
1.6 |
|
1.8 |
|
1.9 |
|
SS (mg/l) |
21 |
7 |
7 |
5 |
8 |
7 |
4 |
2 |
3 |
6 |
5 |
11 |
4 |
7 |
5 |
4 |
2 |
2 |
2 |
2 |
2 |
3 |
4 |
3 |
4 |
4 |
5 |
大腸菌群数 (MPN/100ml) |
4.9E+03 |
7.9E+02 |
7.9E+02 |
2.7E+03 |
1.1E+03 |
3.3E+03 |
4.9E+03 |
3.3E+03 |
3.3E+03 |
2.4E+03 |
3.3E+03 |
4.9E+03 |
2.2E+03 |
7.9E+03 |
7.9E+03 |
1.7E+03 |
2.4E+03 |
3.3E+02 |
7.0E+02 |
4.9E+02 |
4.9E+02 |
7.9E+02 |
4.9E+02 |
3.3E+02 |
4.9E+02 |
1.7E+02 |
1.7E+03 |
全窒素 (mg/l) |
|
|
1.10 |
|
|
|
|
1.70 |
|
|
|
|
|
1.90 |
|
|
|
1.50 |
|
|
|
1.20 |
|
|
|
1.60 |
|
全燐 (mg/l) |
|
|
0.045 |
|
|
|
|
0.075 |
|
|
|
|
|
0.067 |
|
|
|
0.033 |
|
|
|
0.038 |
|
|
|
0.060 |
|
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 |
鉛 (mg/l) |
|
0.008 |
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
|
|
|
|
0.006 |
|
< 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 |
|
< 0.005 |
|
< 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 |
PCB (mg/l) |
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
< 0.0002 |
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
< 0.0006 |
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
< 0.0003 |
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
< 0.002 |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
0.26 |
|
|
|
|
0.17 |
|
|
|
|
|
0.22 |
|
|
|
0.10 |
|
|
|
0.15 |
|
|
|
0.12 |
|
アンモニア性窒素 (mg/l) |
|
|
00.200 |
|
|
|
|
00.100 |
|
|
|
|
|
00.100 |
|
|
|
00.300 |
|
|
|
00.300 |
|
|
|
00.500 |
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
塩化物イオン (mg/l) |
|
|
7 |
|
|
|
|
10 |
|
|
|
|
|
10 |
|
|
|
10 |
|
|
|
10 |
|
|
|
10 |
|
硫酸イオン (mg/l) |
|
|
17 |
|
|
|
|
33 |
|
|
|
|
|
30 |
|
|
|
24 |
|
|
|
28 |
|
|
|
30 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
2 |
|
|
|
|
|
4 |
|
|
|
1 |
|
|
|
3 |
|
|
|
2.8 |
|
アルカリ度 (mg/l) |
|
|
17 |
|
|
|
|
38 |
|
|
|
|
|
40 |
|
|
|
33 |
|
|
|
31 |
|
|
|
35.9 |
|