測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01754 |
北上川(2) |
四十四田橋 |
A |
測定結果
採取年月日 |
2009.04.21 |
2009.04.28 |
2009.05.13 |
2009.05.28 |
2009.06.07 |
2009.06.18 |
2009.07.01 |
2009.07.24 |
2009.08.04 |
2009.08.25 |
2009.09.02 |
2009.09.15 |
2009.10.07 |
2009.10.20 |
2009.11.04 |
2009.11.17 |
2009.12.02 |
2009.12.15 |
2009.04.20 |
2009.05.20 |
2009.06.17 |
2009.08.05 |
2009.08.19 |
2009.09.09 |
2009.10.14 |
2009.11.11 |
2009.12.09 |
2010.01.13 |
2010.01.19 |
2010.02.08 |
2010.02.17 |
2010.03.10 |
2010.03.16 |
2010.01.06 |
2010.02.03 |
2010.03.03 |
採取時刻 |
1040 |
1050 |
1115 |
1010 |
1020 |
1030 |
1030 |
1045 |
1625 |
1010 |
1020 |
1110 |
1025 |
0945 |
1025 |
1030 |
1040 |
1040 |
1120 |
1030 |
1110 |
0955 |
0900 |
1030 |
0810 |
1410 |
1050 |
1140 |
1105 |
1050 |
1050 |
1120 |
1100 |
1130 |
1015 |
1110 |
天候 |
雨 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
雨 |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
雨 |
晴れ |
晴れ |
気温 (℃) |
11.7 |
12.4 |
18 |
18.2 |
17.9 |
17.9 |
22.8 |
22.5 |
26 |
23.7 |
23.3 |
19.5 |
18.3 |
15.2 |
8.1 |
4.1 |
6.1 |
3.1 |
11.8 |
20.5 |
20.5 |
27.9 |
23 |
19 |
12 |
9 |
3.2 |
2.1 |
4.8 |
1.6 |
0.1 |
-1.2 |
10.2 |
2.4 |
-5.6 |
4 |
水温 (℃) |
10 |
9.9 |
13 |
13.1 |
16.2 |
17.4 |
20.6 |
19.5 |
20 |
19.4 |
18.2 |
16.8 |
15.5 |
12.7 |
9.1 |
8.5 |
6.1 |
5.2 |
9.8 |
13 |
17.6 |
20.8 |
21.5 |
19 |
12.2 |
10 |
5.9 |
3.2 |
2.9 |
3.4 |
2.5 |
4.1 |
4.1 |
2.6 |
2.2 |
3.6 |
流量 (m3/s) |
53.6 |
80.02 |
53.9 |
50.98 |
53.53 |
53.98 |
29.02 |
53.38 |
53.81 |
41.3 |
45.65 |
33.35 |
30.53 |
18.63 |
20.16 |
44.44 |
40.74 |
29.44 |
52.05 |
54.07 |
51.05 |
50.28 |
43.5 |
42.88 |
28.76 |
32.54 |
47.34 |
25.3 |
23.9 |
40.06 |
39.5 |
47.74 |
54.54 |
33.72 |
40.13 |
53.26 |
採取水深 (m) |
0.4 |
0.46 |
0.41 |
0.4 |
0.38 |
0.42 |
0.34 |
0.42 |
0.42 |
0.36 |
0.39 |
0.36 |
0.34 |
0.3 |
0.3 |
0.38 |
0.36 |
0.22 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.32 |
0.34 |
0.38 |
0.4 |
0.36 |
0.38 |
0.2 |
0.2 |
0.2 |
全水深 (m) |
2 |
2.3 |
2.05 |
2 |
1.9 |
2.1 |
1.7 |
2.1 |
2.1 |
1.8 |
1.95 |
1.8 |
1.7 |
1.5 |
1.5 |
1.9 |
1.8 |
1.1 |
1.2 |
1.2 |
1.2 |
1.2 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.6 |
1.69 |
1.9 |
2 |
1.8 |
1.9 |
0.9 |
1.1 |
1.2 |
外観 |
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 |
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 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
茶色 |
茶色 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.3 |
7.2 |
7.0 |
7.1 |
7.3 |
7.2 |
7.3 |
7.4 |
7.4 |
7.6 |
7.5 |
7.6 |
7.5 |
7.5 |
7.6 |
7.5 |
7.4 |
7.3 |
7.4 |
7.2 |
7.3 |
7.5 |
7.5 |
7.6 |
7.5 |
7.7 |
7.5 |
7.3 |
7.4 |
7.4 |
7.4 |
7.3 |
7.4 |
7.5 |
7.4 |
7.4 |
DO (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11 |
10 |
9.0 |
8.7 |
8.4 |
8.7 |
12 |
10 |
13 |
|
|
|
|
|
|
14 |
13 |
10 |
BOD (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.7 |
0.8 |
0.8 |
0.8 |
0.6 |
0.8 |
0.9 |
0.9 |
0.8 |
|
|
|
|
|
|
0.5 |
0.7 |
0.9 |
COD (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.9 |
2.2 |
2.0 |
2.2 |
2.0 |
2.1 |
2.4 |
2.1 |
1.8 |
|
|
|
|
|
|
1.1 |
1.3 |
2.1 |
SS (mg/l) |
2 |
3 |
1 |
2 |
2 |
3 |
11 |
6 |
7 |
6 |
7 |
4 |
4 |
1 |
2 |
2 |
2 |
1 |
2 |
7 |
3 |
5 |
7 |
7 |
3 |
2 |
2 |
1 |
1 |
1 |
2 |
2 |
2 |
1 |
2 |
3 |
大腸菌群数 (MPN/100ml) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.3E+02 |
2.2E+03 |
7.9E+02 |
2.8E+03 |
1.7E+04 |
1.3E+03 |
3.3E+02 |
4.9E+02 |
4.9E+02 |
|
|
|
|
|
|
3.3E+02 |
4.9E+02 |
3.3E+02 |
全窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.98 |
|
1.0 |
|
0.85 |
|
0.88 |
|
|
|
|
|
|
|
0.98 |
|
1.0 |
全燐 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.033 |
|
0.032 |
|
0.037 |
|
0.025 |
|
|
|
|
|
|
|
0.008 |
|
0.031 |
全亜鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
0.007 |
< 0.005 |
0.006 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
|
|
|
|
|
|
0.002 |
0.002 |
0.002 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
|
|
|
|
|
|
< 0.001 |
|
< 0.001 |
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
N |
|
N |
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 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 |
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 |
|
< 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 |
亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
|
|
|
< 0.02 |
|
< 0.02 |
鉄(溶解性) (mg/l) |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
0.2 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
|
|
|
|
|
|
|
|
|
< 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) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
< 0.1 |
|
< 0.1 |
|
< 0.1 |
|
|
|
|
|
|
|
< 0.1 |
|
< 0.1 |
クロロフィル-a (ug/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
|
< 2 |
|
2 |
|
8 |
|
|
|
|
|
|
|
< 2 |
|
2 |
透視度 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
48 |
71 |
82 |
87 |
74 |
> 100 |
83 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
52 |
> 100 |
> 100 |
83 |
60 |
94 |
70 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
99 |
塩化物イオン (mg/l) |
|
|
9 |
|
|
|
10 |
|
|
|
8 |
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
|
8 |
|
|
|
|
カルシウム (mg/l) |
|
|
13 |
|
|
|
21 |
|
|
|
15 |
|
|
|
19 |
|
|
|
|
|
|
|
|
|
|
|
|
17 |
|
|
|
15 |
|
|
|
|
マグネシウム (mg/l) |
|
|
3.4 |
|
|
|
4.9 |
|
|
|
3.6 |
|
|
|
4.4 |
|
|
|
|
|
|
|
|
|
|
|
|
4.1 |
|
|
|
4.1 |
|
|
|
|
硫酸イオン (mg/l) |
|
|
30 |
|
|
|
39 |
|
|
|
25 |
|
|
|
35 |
|
|
|
|
|
|
|
|
|
|
|
|
29 |
|
|
|
22 |
|
|
|
|
酸度 (mg/l) |
2 |
3 |
2 |
4 |
3 |
4 |
4 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
2 |
3 |
3 |
3 |
|
|
|
|
|
|
|
|
|
3 |
2 |
4 |
3 |
3 |
3 |
|
|
|
アルカリ度 (mg/l) |
22 |
21 |
19 |
23 |
26 |
31 |
39 |
31 |
31 |
39 |
32 |
36 |
41 |
39 |
38 |
36 |
36 |
31 |
|
|
|
|
|
|
|
|
|
33 |
34 |
34 |
35 |
34 |
34 |
|
|
|
アルミニウム (mg/l) |
0.17 |
0.39 |
0.19 |
0.23 |
0.21 |
0.29 |
1.0 |
0.54 |
0.51 |
0.56 |
0.72 |
0.47 |
0.41 |
0.20 |
0.23 |
0.20 |
0.16 |
0.10 |
|
|
|
|
|
|
|
|
|
0.13 |
0.12 |
0.12 |
0.27 |
0.19 |
0.17 |
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.74 |
|
0.92 |
|
0.69 |
|
0.74 |
|
|
|
|
|
|
|
0.65 |
|
0.88 |
ふん便性大腸菌群数 (個/100mL) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.8E+01 |
1.1E+02 |
2.2E+02 |
5.2E+02 |
|
|
|
|
|
|
|
|
|
|
|
|