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 |
1995.04.21 |
1995.04.28 |
1995.05.10 |
1995.05.24 |
1995.06.07 |
1995.06.23 |
1995.07.05 |
1995.07.19 |
1995.08.01 |
1995.08.01 |
1995.08.01 |
1995.08.01 |
1995.08.23 |
1995.09.06 |
1995.09.20 |
1995.10.04 |
1995.10.18 |
1995.11.13 |
1995.11.22 |
1995.12.06 |
1995.12.20 |
1996.01.10 |
1996.01.24 |
1996.02.07 |
1996.02.21 |
1996.03.06 |
1996.03.13 |
採取時刻 |
0935 |
1110 |
1240 |
0935 |
1025 |
0925 |
1120 |
0940 |
0125 |
0725 |
1325 |
1725 |
0940 |
1134 |
0925 |
1115 |
0925 |
1154 |
0925 |
1035 |
0920 |
1404 |
1010 |
1028 |
0940 |
1130 |
0925 |
天候 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
雨 |
雨 |
曇り |
雨 |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
雪 |
曇り |
晴れ |
雪 |
曇り |
晴れ |
気温 (℃) |
7.2 |
17.0 |
20.0 |
17.3 |
19.8 |
15.2 |
26.0 |
23.1 |
23.7 |
22.7 |
23.0 |
23.0 |
25.8 |
19.0 |
17.8 |
18.0 |
18.7 |
14.2 |
1.4 |
1.0 |
1.2 |
-1.5 |
-2.6 |
2.6 |
-3.1 |
1.3 |
4.6 |
水温 (℃) |
9.2 |
9.8 |
14.5 |
13.2 |
15.2 |
15.0 |
20.0 |
19.0 |
22.5 |
21.7 |
22.1 |
22.0 |
20.8 |
16.0 |
15.8 |
16.0 |
18.1 |
8.7 |
6.0 |
3.8 |
2.0 |
0.3 |
0.6 |
2.0 |
1.8 |
3.0 |
2.0 |
流量 (m3/s) |
211.55 |
243.06 |
101.54 |
121.60 |
111.34 |
74.83 |
69.98 |
123.71 |
49.49 |
49.49 |
117.44 |
249.02 |
109.47 |
132.67 |
96.98 |
64.02 |
54.55 |
158.09 |
48.25 |
69.77 |
55.86 |
58.52 |
44.65 |
53.26 |
48.25 |
55.86 |
53.25 |
外観 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
茶色 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
臭気 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.2 |
7.0 |
7.3 |
7.3 |
7.4 |
7.2 |
7.4 |
7.3 |
7.2 |
7.2 |
7.3 |
7.2 |
7.2 |
7.2 |
7.2 |
7.5 |
7.4 |
7.3 |
7.2 |
7.3 |
7.3 |
7.5 |
7.4 |
7.6 |
7.3 |
7.5 |
7.5 |
DO (mg/l) |
11.0 |
11.0 |
10.0 |
10.0 |
9.1 |
9.5 |
8.7 |
8.9 |
6.9 |
6.9 |
7.7 |
7.3 |
8.7 |
9.1 |
9.3 |
9.6 |
9.7 |
11.0 |
11.0 |
12.0 |
12.0 |
14.0 |
13.0 |
13.0 |
13.0 |
13.0 |
12.0 |
BOD (mg/l) |
1.2 |
0.5 |
1.2 |
0.9 |
1.1 |
0.9 |
1.1 |
0.8 |
1.3 |
1.5 |
1.9 |
2.9 |
0.7 |
0.7 |
0.6 |
0.9 |
0.9 |
0.7 |
1.4 |
0.5 |
0.9 |
1.0 |
1.6 |
1.1 |
1.4 |
0.8 |
1.0 |
COD (mg/l) |
|
2.0 |
1.6 |
|
1.8 |
|
3.1 |
|
|
|
3.2 |
|
|
1.8 |
|
1.9 |
|
1.5 |
|
1.4 |
|
1.4 |
|
2.0 |
|
1.7 |
|
SS (mg/l) |
9 |
18 |
6 |
4 |
4 |
9 |
9 |
8 |
4 |
4 |
18 |
24 |
4 |
8 |
7 |
4 |
4 |
5 |
2 |
1 |
2 |
2 |
2 |
4 |
4 |
3 |
3 |
大腸菌群数 (MPN/100ml) |
1.1E+03 |
1.3E+03 |
2.3E+02 |
4.9E+02 |
2.4E+03 |
3.3E+03 |
4.9E+03 |
3.3E+03 |
4.9E+03 |
1.7E+04 |
1.7E+04 |
1.7E+04 |
1.4E+04 |
1.1E+04 |
1.3E+04 |
7.9E+03 |
1.7E+04 |
7.9E+02 |
7.9E+02 |
3.3E+02 |
3.3E+02 |
2.3E+02 |
4.9E+02 |
1.3E+03 |
3.3E+03 |
4.9E+02 |
4.9E+02 |
全窒素 (mg/l) |
|
|
1.00 |
|
|
|
1.30 |
|
|
|
|
|
|
1.20 |
|
|
|
0.89 |
|
|
|
1.30 |
|
|
|
0.63 |
|
全燐 (mg/l) |
|
|
0.035 |
|
|
|
0.058 |
|
|
|
|
|
|
0.028 |
|
|
|
0.026 |
|
|
|
0.042 |
|
|
|
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 |
鉛 (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 |
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) |
< 0.005 |
|
|
< 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) |
|
|
0.10 |
|
|
|
0.23 |
|
|
|
|
|
|
0.09 |
|
|
|
0.10 |
|
|
|
0.10 |
|
|
|
0.08 |
|
アンモニア性窒素 (mg/l) |
|
|
0.2 |
|
|
|
< 0.1 |
|
|
|
|
|
|
< 0.1 |
|
|
|
0.1 |
|
|
|
0.4 |
|
|
|
0.4 |
|
透視度 |
> 30.0 |
20.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
5 |
|
|
|
6 |
|
|
|
|
|
|
5 |
|
|
|
7 |
|
|
|
10 |
|
|
|
10 |
|
硫酸イオン (mg/l) |
|
|
15 |
|
|
|
18 |
|
|
|
|
|
|
17 |
|
|
|
14 |
|
|
|
30 |
|
|
|
25 |
|
酸度 (mg/l) |
|
|
2 |
|
|
|
2 |
|
|
|
|
|
|
2 |
|
|
|
1 |
|
|
|
1 |
|
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
15 |
|
|
|
29 |
|
|
|
|
|
|
27 |
|
|
|
22 |
|
|
|
29 |
|
|
|
31 |
|