測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01751 |
北上川(2) |
船田橋 |
A |
測定結果
採取年月日 |
2010.04.14 |
2010.04.27 |
2010.05.17 |
2010.05.24 |
2010.06.06 |
2010.06.16 |
2010.07.07 |
2010.07.29 |
2010.08.04 |
2011.01.05 |
2011.02.02 |
2011.03.02 |
2010.08.10 |
2010.09.06 |
2010.09.15 |
2010.10.06 |
2010.10.20 |
2010.11.08 |
2010.11.24 |
2010.12.01 |
2010.12.17 |
2010.04.21 |
2010.05.19 |
2010.06.09 |
2010.08.06 |
2010.08.23 |
2010.09.28 |
2010.10.13 |
2010.11.17 |
2010.12.15 |
2011.01.12 |
2011.01.19 |
2011.02.09 |
2011.02.16 |
2011.03.09 |
2011.03.16 |
採取時刻 |
0950 |
1010 |
0940 |
1100 |
0930 |
1100 |
1035 |
0930 |
1020 |
1115 |
1140 |
1140 |
1005 |
1153 |
1130 |
0930 |
1050 |
1120 |
0950 |
0940 |
0950 |
1130 |
1325 |
1130 |
1035 |
0940 |
0910 |
1100 |
1150 |
1150 |
1040 |
1030 |
0949 |
1117 |
0940 |
1110 |
天候 |
曇り |
晴れ |
晴れ |
雨 |
晴れ |
雨 |
曇り |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
雪 |
曇り |
曇り |
曇り |
晴れ |
雪 |
気温 (℃) |
4.7 |
10.9 |
18.1 |
15.3 |
19.2 |
19.2 |
27.2 |
24.1 |
27.5 |
-1.3 |
-0.2 |
2.5 |
29.1 |
31.8 |
23.8 |
19.2 |
14.4 |
13.4 |
2.1 |
6.2 |
-1.8 |
14 |
22.8 |
24 |
31.5 |
28.5 |
16 |
22 |
8 |
-1.6 |
-6.9 |
-2.4 |
-1.1 |
4.8 |
-0.9 |
2.8 |
水温 (℃) |
5.5 |
8.8 |
10.3 |
12.2 |
12.8 |
17 |
18.4 |
19.1 |
18.9 |
3.8 |
1.6 |
5.3 |
22.9 |
21.7 |
16.3 |
14.3 |
10.6 |
11.2 |
6.2 |
5.9 |
3.8 |
11.1 |
14.3 |
17.2 |
20.8 |
19.6 |
14 |
15.6 |
6.6 |
4.8 |
1.0 |
2.1 |
2.2 |
4.0 |
4.0 |
5.0 |
流量 (m3/s) |
77.6 |
38.38 |
55.56 |
49.94 |
39.59 |
45.92 |
44.62 |
39.59 |
58.48 |
36.74 |
22.81 |
36.74 |
36.02 |
27.33 |
58.48 |
30.45 |
34.87 |
30.45 |
26.32 |
28.35 |
38.38 |
37.86 |
52.64 |
32.42 |
42.52 |
39 |
35.65 |
29.36 |
30.36 |
46.18 |
27.33 |
27.33 |
22.50 |
22.50 |
31.52 |
51.32 |
採取水深 (m) |
0.36 |
0.3 |
0.32 |
0.32 |
0.3 |
0.32 |
0.3 |
0.3 |
0.32 |
0.2 |
0.2 |
0.2 |
0.3 |
0.28 |
0.34 |
0.29 |
0.27 |
0.29 |
0.27 |
0.28 |
0.26 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.28 |
0.28 |
0.26 |
0.27 |
0.28 |
0.32 |
全水深 (m) |
1.8 |
1.5 |
1.6 |
1.6 |
1.5 |
1.6 |
1.5 |
1.5 |
1.6 |
1.1 |
1.0 |
1.2 |
1.5 |
1.4 |
1.7 |
1.45 |
1.45 |
1.45 |
1.35 |
1.4 |
1.3 |
1.1 |
1.2 |
1.2 |
1.2 |
1.1 |
1.1 |
1.1 |
1.1 |
1.3 |
1.40 |
1.40 |
1.30 |
1.37 |
1.40 |
1.60 |
外観 |
茶色 |
茶色 |
茶濁 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶色 |
茶色 |
茶色 |
茶色 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
茶色 |
茶色 |
茶色 |
茶濁 |
茶色 |
茶濁 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.1 |
7.5 |
7.3 |
7.4 |
7.4 |
7.6 |
7.3 |
7.5 |
7.4 |
7.2 |
7.7 |
7.8 |
7.6 |
7.8 |
7.5 |
7.6 |
7.5 |
7.6 |
7.3 |
7.4 |
6.9 |
7.7 |
7.4 |
7.7 |
7.4 |
7.5 |
7.6 |
7.7 |
7.6 |
7.4 |
7.4 |
6.9 |
7.2 |
8.1 |
7.0 |
7.7 |
DO (mg/l) |
|
|
|
|
|
|
|
|
|
12 |
15 |
14 |
|
|
|
|
|
|
|
|
|
12 |
12 |
10 |
7.8 |
8.9 |
9.8 |
10 |
12 |
12 |
|
|
|
|
|
|
BOD (mg/l) |
|
|
|
|
|
|
|
|
|
0.5 |
0.6 |
0.5 |
|
|
|
|
|
|
|
|
|
0.7 |
0.8 |
0.8 |
0.9 |
0.6 |
0.9 |
0.5 |
0.7 |
0.7 |
|
|
|
|
|
|
COD (mg/l) |
|
|
|
|
|
|
|
|
|
2.7 |
2.2 |
2.2 |
|
|
|
|
|
|
|
|
|
2.4 |
2.9 |
2.4 |
3.1 |
2.5 |
2.3 |
2.1 |
2.0 |
2.4 |
|
|
|
|
|
|
SS (mg/l) |
19 |
8 |
11 |
10 |
11 |
18 |
14 |
14 |
14 |
6 |
6 |
7 |
14 |
6 |
12 |
6 |
5 |
6 |
4 |
7 |
5 |
9 |
15 |
10 |
13 |
10 |
7 |
6 |
5 |
7 |
8 |
7 |
6 |
5 |
6 |
6 |
大腸菌群数 (MPN/100ml) |
|
|
|
|
|
|
|
|
|
1.3E+03 |
1.1E+03 |
4.9E+02 |
|
|
|
|
|
|
|
|
|
7.9E+02 |
7.9E+03 |
1.3E+04 |
1.1E+04 |
4.9E+04 |
1.3E+04 |
7.9E+03 |
7.9E+02 |
2.4E+03 |
|
|
|
|
|
|
全窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
1.4 |
|
1.6 |
|
|
|
|
|
|
|
|
|
|
1.0 |
|
1.3 |
|
1.1 |
|
1.0 |
|
|
|
|
|
|
|
全燐 (mg/l) |
|
|
|
|
|
|
|
|
|
0.049 |
|
0.044 |
|
|
|
|
|
|
|
|
|
|
0.069 |
|
0.059 |
|
0.023 |
|
0.045 |
|
|
|
|
|
|
|
全亜鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
0.003 |
0.003 |
0.003 |
|
|
|
|
|
|
|
|
|
0.004 |
0.006 |
0.002 |
0.003 |
0.002 |
0.002 |
0.005 |
0.003 |
0.003 |
|
|
|
|
|
|
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 |
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
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 |
|
|
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 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
|
< 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 |
|
< 2 |
|
< 2 |
|
< 2 |
|
|
|
|
|
|
|
透視度 |
56 |
96 |
48 |
58 |
52 |
68 |
72 |
68 |
58 |
86 |
71 |
82 |
52 |
76 |
78 |
> 100 |
> 100 |
84 |
> 100 |
76 |
93 |
59 |
38 |
68 |
33 |
62 |
85 |
90 |
86 |
76 |
82 |
65 |
82 |
> 100 |
> 100 |
78 |
カルシウム (mg/l) |
|
|
|
|
15 |
|
|
|
|
|
|
|
19 |
|
|
20 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26 |
|
|
マグネシウム (mg/l) |
|
|
|
|
4.0 |
|
|
|
|
|
|
|
4.9 |
|
|
4.9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5.9 |
|
|
硫酸イオン (mg/l) |
|
|
|
|
30 |
|
|
|
|
|
|
|
28 |
|
|
75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
39 |
|
|
酸度 (mg/l) |
3 |
3 |
4 |
4 |
3 |
3 |
3 |
3 |
3 |
|
|
|
3 |
2 |
3 |
2 |
4 |
3 |
3 |
3 |
3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルカリ度 (mg/l) |
18 |
30 |
23 |
24 |
30 |
35 |
38 |
40 |
34 |
|
|
|
42 |
41 |
33 |
40 |
39 |
34 |
36 |
39 |
36 |
|
|
|
|
|
|
|
|
|
43 |
42 |
45 |
47 |
44 |
39 |
アルミニウム (mg/l) |
|
|
|
|
0.83 |
|
|
|
|
|
|
|
1.0 |
|
|
0.72 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.67 |
|
|
鉄(2価) (mg/l) |
|
|
|
|
0.02 |
|
|
|
|
|
|
|
0.03 |
|
|
0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.03 |
|
|
鉄(3価) (mg/l) |
|
|
|
|
0.02 |
|
|
|
|
|
|
|
0.04 |
|
|
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.02 |
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
1.2 |
|
1.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ふん便性大腸菌群数 (個/100mL) |
|
|
|
|
|
|
|
|
|
470 |
160 |
350 |
|
|
|
|
|
|
|
|
|
120 |
1500 |
800 |
1700 |
3000 |
4800 |
2600 |
220 |
670 |
|
|
|
|
|
|