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 |
2008.04.23 |
2008.04.28 |
2008.05.07 |
2008.05.28 |
2008.06.08 |
2008.06.18 |
2008.07.02 |
2008.07.31 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.29 |
2008.09.10 |
2008.09.24 |
2008.10.01 |
2008.10.15 |
2008.11.05 |
2008.11.19 |
2008.12.03 |
2008.12.17 |
2009.01.14 |
2009.01.21 |
2009.02.03 |
2009.02.18 |
2009.03.11 |
2009.03.18 |
採取時刻 |
0820 |
0910 |
0845 |
0850 |
0820 |
0920 |
0845 |
0820 |
0000 |
0600 |
1200 |
0910 |
0910 |
0820 |
0919 |
0850 |
0910 |
0835 |
0900 |
0855 |
0900 |
0812 |
0915 |
0925 |
0822 |
0820 |
0820 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
雪 |
曇り |
曇り |
雪 |
晴れ |
晴れ |
気温 (℃) |
15.5 |
10.5 |
17.3 |
20 |
24.3 |
18.9 |
20.9 |
23 |
21.1 |
20.6 |
27.6 |
27.6 |
23.9 |
20.4 |
18.5 |
20.3 |
16.5 |
8.3 |
5.5 |
6.6 |
4.5 |
3.6 |
0.3 |
0.1 |
4.0 |
0.3 |
7.4 |
水温 (℃) |
10 |
9.5 |
15 |
14.2 |
16.1 |
17.5 |
19.1 |
21 |
22 |
21.1 |
22.4 |
24 |
20 |
18 |
18.1 |
14 |
16.2 |
9 |
7 |
6 |
4.4 |
1.0 |
1.8 |
2.0 |
2.0 |
1.0 |
4.5 |
流量 (m3/s) |
79.27 |
57.91 |
62.64 |
62.64 |
60.25 |
70.07 |
53.37 |
94.88 |
40.98 |
42.23 |
42.23 |
42.23 |
245.68 |
99.81 |
55.78 |
38.53 |
39.75 |
76.2 |
39.75 |
63.26 |
67.97 |
38.54 |
61.73 |
44.79 |
148.17 |
144.14 |
205.64 |
採取水深 (m) |
0.14 |
0.36 |
0.3 |
0.22 |
0.22 |
0.24 |
0.22 |
0.32 |
0.23 |
0.23 |
0.24 |
0.24 |
0.48 |
0.28 |
0.3 |
0.22 |
0.2 |
0.24 |
0.18 |
0.22 |
0.22 |
0.18 |
0.22 |
0.2 |
0.32 |
0.14 |
0.4 |
全水深 (m) |
0.7 |
1.8 |
1.5 |
1.1 |
1.1 |
1.2 |
1.1 |
1.6 |
1.15 |
1.15 |
1.2 |
1.2 |
2.4 |
1.4 |
1.5 |
1.1 |
1 |
1.2 |
0.9 |
1.1 |
1.1 |
0.9 |
1.1 |
1.0 |
1.6 |
1.6 |
2.0 |
外観 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
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 |
茶濁 |
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 |
7.3 |
7.2 |
7.2 |
7.2 |
7.3 |
7.5 |
7.3 |
7.3 |
7.2 |
7.2 |
7.5 |
7.5 |
7.2 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.2 |
7.2 |
7.3 |
7.5 |
7.3 |
7.3 |
7.2 |
7.3 |
7.2 |
DO (mg/l) |
11 |
10 |
10 |
9.8 |
9.5 |
9.7 |
7.8 |
8.7 |
7 |
6.9 |
8.8 |
8.3 |
8.4 |
8.8 |
8.9 |
9.1 |
9.8 |
10 |
10 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
BOD (mg/l) |
0.9 |
1.1 |
0.9 |
1 |
1.2 |
1.3 |
1.3 |
1.1 |
1.7 |
1.7 |
1 |
1.3 |
2 |
0.8 |
0.7 |
0.9 |
0.8 |
0.8 |
0.9 |
0.7 |
0.5 |
1.0 |
1.0 |
0.8 |
0.7 |
0.9 |
0.6 |
COD (mg/l) |
2 |
|
2 |
|
2.6 |
|
|
2.9 |
|
|
2.4 |
|
|
2.3 |
|
1.7 |
|
2.2 |
|
1.8 |
|
2.3 |
|
|
1.8 |
2.1 |
|
SS (mg/l) |
4 |
3 |
7 |
3 |
3 |
2 |
5 |
11 |
3 |
3 |
2 |
2 |
42 |
5 |
1 |
1 |
2 |
4 |
1 |
2 |
1 |
1 |
3 |
1 |
7 |
4 |
4 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
7.9E+02 |
7.9E+02 |
7.9E+03 |
4.9E+03 |
4.9E+02 |
4.9E+03 |
3.3E+03 |
1.7E+03 |
3.3E+03 |
4.9E+03 |
1.7E+03 |
1.7E+04 |
7.9E+03 |
4.9E+03 |
1.1E+03 |
1.7E+03 |
1.3E+03 |
1.1E+02 |
4.9E+02 |
1.1E+02 |
1.7E+02 |
1.3E+02 |
7.9E+02 |
2.2E+02 |
3.3E+02 |
7.9E+02 |
全窒素 (mg/l) |
|
|
1.5 |
|
|
|
|
1 |
|
|
|
|
|
1.1 |
|
|
|
0.96 |
|
|
|
1.8 |
|
|
|
1.3 |
|
全燐 (mg/l) |
|
|
0.041 |
|
|
|
|
0.05 |
|
|
|
|
|
0.045 |
|
|
|
0.034 |
|
|
|
0.053 |
|
|
|
0.023 |
|
全亜鉛 (mg/l) |
< 0.005 |
|
< 0.005 |
|
0.005 |
|
|
0.009 |
|
|
< 0.005 |
|
|
< 0.005 |
|
0.006 |
|
< 0.005 |
|
0.007 |
|
0.01 |
|
|
< 0.005 |
< 0.005 |
|
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 |
|
< 0.005 |
|
< 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 |
|
< 0.02 |
|
0.001 |
|
|
0.001 |
|
|
0.002 |
|
|
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) |
|
|
0.3 |
|
|
|
|
0.1 |
|
|
|
|
|
0.1 |
|
|
|
0.1 |
|
|
|
0.5 |
|
|
|
0.1 |
|
透視度 |
> 100 |
> 100 |
77 |
> 100 |
> 100 |
> 100 |
> 100 |
64 |
> 100 |
> 100 |
> 100 |
> 100 |
46 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
69 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
7 |
|
|
|
|
7 |
|
|
|
|
|
7 |
|
|
|
6 |
|
|
|
9 |
|
|
|
8 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
3.8 |
|
|
|
|
|
3.8 |
|
|
|
2.7 |
|
|
|
3 |
|
|
|
4 |
|
アルカリ度 (mg/l) |
|
|
23 |
|
|
|
|
28 |
|
|
|
|
|
30 |
|
|
|
29 |
|
|
|
34 |
|
|
|
30 |
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.91 |
|
|
|
|
|
|
|
|
|
|
|
|
0.58 |
|
|
|
|
|
|
|
|
|