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 |
2009.04.16 |
2009.04.21 |
2009.05.13 |
2009.05.26 |
2009.06.07 |
2009.06.16 |
2009.07.01 |
2009.08.04 |
2009.08.04 |
2009.08.04 |
2009.08.04 |
2009.08.12 |
2009.08.26 |
2009.09.02 |
2009.09.16 |
2009.10.07 |
2009.10.21 |
2009.11.04 |
2009.11.19 |
2009.12.02 |
2009.12.16 |
2010.01.13 |
2010.01.20 |
2010.02.02 |
2010.02.17 |
2010.03.10 |
2010.03.17 |
採取時刻 |
0840 |
0840 |
0831 |
0835 |
0830 |
0835 |
0832 |
0000 |
0600 |
1200 |
1800 |
0830 |
0830 |
0830 |
0830 |
0830 |
0830 |
0830 |
0840 |
0830 |
0830 |
0845 |
0815 |
0832 |
0830 |
0835 |
0830 |
天候 |
晴れ |
雨 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
雪 |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
気温 (℃) |
10.3 |
9.5 |
18.1 |
18.3 |
14.4 |
17.1 |
20.4 |
21.3 |
19.1 |
27.9 |
26.2 |
25.3 |
19.6 |
22.9 |
20.8 |
16.4 |
13.9 |
6.6 |
2.1 |
6.4 |
-3.2 |
0.7 |
-2.4 |
-5.1 |
-4.2 |
-0.6 |
-0.1 |
水温 (℃) |
10.4 |
9.2 |
13.1 |
14.2 |
14.4 |
16.6 |
19 |
19.4 |
18.9 |
19.8 |
21.8 |
20.2 |
18 |
19.1 |
17.1 |
14.7 |
11.8 |
7.9 |
8.2 |
5.9 |
4.1 |
1.2 |
1.7 |
1.2 |
0.1 |
2.3 |
4.3 |
流量 (m3/s) |
156.4 |
150.2 |
88.52 |
69.58 |
162.72 |
67.97 |
52.92 |
97.88 |
160.6 |
152.25 |
140.16 |
122.27 |
51.52 |
120.13 |
51.52 |
64.81 |
39.75 |
50.14 |
148.17 |
97.88 |
92.21 |
48.77 |
44.79 |
52.92 |
|
67.97 |
189.24 |
採取水深 (m) |
0.48 |
0.46 |
0.39 |
0.38 |
0.44 |
0.37 |
0.34 |
0.4 |
0.46 |
0.46 |
0.44 |
0.43 |
0.34 |
0.42 |
0.36 |
0.35 |
0.33 |
0.34 |
0.46 |
0.4 |
0.39 |
0.34 |
0.33 |
0.36 |
0.32 |
0.37 |
0.5 |
全水深 (m) |
2.4 |
2.3 |
1.95 |
1.9 |
2.2 |
1.85 |
1.7 |
2 |
2.3 |
2.3 |
2.2 |
2.15 |
1.7 |
2.1 |
1.8 |
1.75 |
1.65 |
1.7 |
2.3 |
2 |
1.95 |
1.7 |
1.67 |
1.8 |
1.6 |
1.85 |
2.5 |
外観 |
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 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
茶色 |
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 |
7.3 |
7.2 |
7.2 |
7.1 |
7.2 |
7.4 |
7.2 |
7.3 |
7.3 |
7.4 |
7.3 |
7.3 |
7.5 |
7.4 |
7.5 |
7.3 |
7.4 |
7.4 |
7.5 |
7.3 |
7.2 |
7.3 |
7.3 |
7.3 |
7.2 |
7.2 |
DO (mg/l) |
11 |
11 |
10 |
10 |
9.6 |
9.4 |
8.1 |
8.6 |
8.8 |
9.0 |
8.6 |
8.4 |
8.7 |
9.0 |
8.4 |
9.4 |
9.5 |
10 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
0.5 |
0.7 |
1.0 |
0.9 |
1.2 |
1.1 |
1.3 |
0.8 |
0.8 |
0.6 |
0.8 |
0.9 |
0.5 |
0.9 |
1.0 |
1.0 |
1.0 |
0.8 |
1.0 |
0.9 |
0.6 |
0.7 |
0.8 |
0.8 |
0.8 |
0.8 |
1.1 |
COD (mg/l) |
|
1.7 |
3.0 |
|
3.3 |
|
3.0 |
|
|
1.8 |
|
|
|
2.7 |
|
2.4 |
|
2.2 |
|
1.8 |
|
1.7 |
|
|
1.6 |
1.7 |
|
SS (mg/l) |
3 |
3 |
4 |
3 |
8 |
3 |
4 |
6 |
5 |
4 |
7 |
6 |
2 |
4 |
4 |
4 |
2 |
1 |
3 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
9 |
大腸菌群数 (MPN/100ml) |
4.6E+02 |
1.7E+03 |
2.2E+03 |
1.7E+03 |
4.9E+03 |
3.3E+03 |
1.3E+03 |
7.0E+03 |
1.1E+04 |
2.4E+03 |
3.3E+03 |
7.9E+03 |
3.3E+03 |
7.0E+03 |
3.3E+03 |
9.4E+02 |
4.9E+02 |
7.9E+02 |
1.3E+03 |
4.9E+02 |
4.9E+02 |
1.3E+03 |
4.9E+02 |
1.1E+03 |
2.2E+02 |
1.3E+03 |
1.3E+03 |
全窒素 (mg/l) |
|
|
1.1 |
|
|
|
1.5 |
|
|
|
|
|
|
0.98 |
|
|
|
1.2 |
|
|
|
1.3 |
|
|
|
1.3 |
|
全燐 (mg/l) |
|
|
0.054 |
|
|
|
0.053 |
|
|
|
|
|
|
0.042 |
|
|
|
0.040 |
|
|
|
0.022 |
|
|
|
0.039 |
|
全亜鉛 (mg/l) |
|
< 0.005 |
0.009 |
|
< 0.005 |
|
0.009 |
|
|
0.005 |
|
|
|
0.012 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
0.004 |
|
|
0.002 |
0.002 |
|
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) |
|
< 0.02 |
< 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) |
|
< 0.001 |
< 0.001 |
|
0.001 |
|
0.001 |
|
|
< 0.001 |
|
|
|
0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
|
< 0.001 |
< 0.001 |
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
< 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) |
|
|
0.1 |
|
|
|
0.1 |
|
|
|
|
|
|
0.1 |
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
ふっ素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
|
|
0.2 |
|
|
|
0.2 |
|
|
|
|
|
|
< 0.1 |
|
|
|
0.1 |
|
|
|
0.3 |
|
|
|
0.1 |
|
透視度 |
> 100 |
> 100 |
87 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
89 |
78 |
65 |
77 |
> 100 |
89 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
86 |
塩化物イオン (mg/l) |
|
|
6 |
|
|
|
8 |
|
|
|
|
|
|
6 |
|
|
|
8 |
|
|
|
10 |
|
|
|
15 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
3 |
|
|
|
|
|
|
3 |
|
|
|
3 |
|
|
|
4 |
|
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
19 |
|
|
|
34 |
|
|
|
|
|
|
31 |
|
|
|
33 |
|
|
|
33 |
|
|
|
29 |
|
ほう素 (mg/l) |
|
|
|
|
0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.89 |
|
|
|
|
|
|
|
|
|
|
|
|
0.86 |
|
|
|
|
|
|
|
|
|