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 |
2005.04.14 |
2005.04.20 |
2005.05.11 |
2005.05.26 |
2005.06.15 |
2005.06.24 |
2005.07.14 |
2005.07.20 |
2005.08.02 |
2005.08.10 |
2005.09.06 |
2005.09.20 |
2005.10.05 |
2005.10.25 |
2005.11.09 |
2005.11.24 |
2005.12.07 |
2005.12.21 |
2006.01.18 |
2006.01.26 |
2006.02.08 |
2006.02.16 |
2006.03.08 |
2006.03.15 |
2005.04.26 |
2005.05.18 |
2005.06.08 |
2005.07.26 |
2005.08.29 |
2005.09.14 |
2005.10.12 |
2005.11.21 |
2005.12.14 |
2006.01.11 |
2006.02.01 |
2006.03.01 |
採取時刻 |
1100 |
1100 |
1130 |
1050 |
1100 |
1030 |
1050 |
1110 |
1049 |
1040 |
1020 |
1055 |
1108 |
1030 |
1100 |
1035 |
1110 |
1100 |
1120 |
1045 |
1140 |
1110 |
1140 |
1025 |
1105 |
1130 |
1140 |
1230 |
1140 |
0930 |
1105 |
1210 |
1000 |
1250 |
1210 |
1150 |
天候 |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雪 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
雪 |
雪 |
気温 (℃) |
10 |
10.6 |
13.5 |
19 |
20.1 |
28.6 |
18.7 |
25.1 |
27 |
28.7 |
21.6 |
19.8 |
18.3 |
16 |
4.3 |
7.3 |
4.4 |
3.1 |
0.5 |
-2.9 |
0.7 |
1.7 |
4 |
3.6 |
15.5 |
15.9 |
19.5 |
25.5 |
26.4 |
18.9 |
19 |
7.2 |
-4 |
0.8 |
-3.5 |
0.8 |
水温 (℃) |
7.7 |
7.7 |
10.8 |
13 |
13 |
18.7 |
15.2 |
17.8 |
21.2 |
22 |
17.1 |
16.7 |
14.4 |
11.3 |
8 |
7 |
4.1 |
2.2 |
2 |
1.5 |
2 |
4 |
5.2 |
4 |
10.6 |
11.6 |
14.6 |
19.3 |
19.4 |
16.6 |
13.8 |
6 |
1.4 |
3.2 |
0.9 |
3.1 |
流量 (m3/s) |
71.97 |
56.37 |
38.94 |
43.96 |
35.38 |
29.82 |
67.09 |
35.38 |
33.1 |
30.89 |
31.98 |
36.55 |
29.82 |
38.94 |
41.42 |
36.55 |
31.98 |
24.73 |
21.91 |
21 |
21.91 |
33.1 |
37.74 |
36.55 |
85.81 |
43.96 |
38.94 |
37.74 |
34.23 |
33.1 |
28.76 |
29.82 |
26.71 |
25.71 |
20.12 |
47.93 |
採取水深 (m) |
0.29 |
0.3 |
0.25 |
0.3 |
0.24 |
0.2 |
0.28 |
0.26 |
0.24 |
0.24 |
0.25 |
0.24 |
0.22 |
0.26 |
0.26 |
0.25 |
0.22 |
0.21 |
0.22 |
0.21 |
0.22 |
0.24 |
0.26 |
0.25 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
全水深 (m) |
1.45 |
1.5 |
1.25 |
1.5 |
1.2 |
1 |
1.4 |
1.3 |
1.2 |
1.2 |
1.25 |
1.2 |
1.1 |
1.3 |
1.3 |
1.23 |
1.1 |
1.05 |
1.1 |
1.05 |
1.1 |
1.2 |
1.3 |
1.25 |
1.3 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1 |
1 |
1 |
1 |
1 |
1.2 |
外観 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
茶濁 |
茶色 |
微白濁 |
白濁 |
茶色 |
微白濁 |
微白濁 |
茶濁 |
茶色 |
茶濁 |
茶色 |
茶色 |
茶色 |
茶濁 |
茶濁 |
茶濁 |
茶濁 |
茶濁 |
茶濁 |
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 |
7.4 |
7.2 |
7.3 |
7.8 |
7.7 |
7.4 |
7.5 |
7.6 |
7.8 |
7.7 |
7.6 |
7.7 |
7.8 |
7.6 |
7.5 |
7.7 |
7.6 |
7.8 |
7.7 |
8.2 |
7.8 |
7.9 |
7.6 |
7.3 |
7.2 |
7.4 |
7.6 |
7.7 |
7.5 |
7.6 |
7.5 |
7.4 |
7.5 |
7.8 |
7.6 |
DO (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9.8 |
8.4 |
10 |
8.7 |
9.3 |
9.2 |
11 |
11 |
13 |
14 |
14 |
13 |
BOD (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.8 |
1.1 |
1.2 |
1.3 |
0.6 |
1 |
0.9 |
1.1 |
1.2 |
0.7 |
0.8 |
0.8 |
COD (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.7 |
3.4 |
2.8 |
3 |
2.3 |
1.9 |
2.4 |
2.3 |
2.5 |
1.8 |
2.4 |
2.9 |
SS (mg/l) |
15 |
10 |
12 |
9 |
9 |
16 |
13 |
12 |
28 |
12 |
9 |
9 |
7 |
8 |
8 |
12 |
17 |
27 |
17 |
13 |
13 |
25 |
7 |
6 |
32 |
17 |
10 |
15 |
8 |
7 |
8 |
23 |
34 |
9 |
10 |
12 |
大腸菌群数 (MPN/100ml) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.3E+03 |
3.3E+03 |
4.9E+03 |
7.9E+03 |
7.9E+03 |
7.9E+03 |
7.9E+02 |
2.2E+03 |
4.9E+03 |
1.1E+03 |
4.9E+02 |
3.3E+03 |
全窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.29 |
|
1.11 |
|
1.05 |
|
1.07 |
|
1.17 |
|
2.03 |
全燐 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.085 |
|
0.059 |
|
0.031 |
|
0.049 |
|
0.061 |
|
0.035 |
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 |
|
0.002 |
|
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 |
亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
0.01 |
|
< 0.01 |
鉄(溶解性) (mg/l) |
< 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 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
ふっ素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
クロロフィル-a (ug/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
|
< 2 |
|
< 2 |
|
< 2 |
|
2 |
|
3 |
透視度 |
77 |
95 |
81 |
80 |
90 |
71 |
88 |
71 |
40 |
70 |
79 |
96 |
90 |
82 |
87 |
62 |
56 |
36 |
52 |
56 |
56 |
51 |
79 |
> 100 |
34 |
47 |
46 |
79 |
87 |
> 100 |
68 |
27 |
38 |
50 |
50 |
38 |
塩化物イオン (mg/l) |
|
|
9 |
|
|
|
|
11 |
|
|
|
8 |
|
|
9 |
|
|
|
9 |
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
カルシウム (mg/l) |
|
|
17 |
|
|
|
|
20 |
|
|
|
21 |
|
|
20 |
|
|
|
26 |
|
|
|
21 |
|
|
|
|
|
|
|
|
|
|
|
|
|
マグネシウム (mg/l) |
|
|
4 |
|
|
|
|
4.7 |
|
|
|
5 |
|
|
5.1 |
|
|
|
6.1 |
|
|
|
5.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硫酸イオン (mg/l) |
|
|
37 |
|
|
|
|
37 |
|
|
|
38 |
|
|
32 |
|
|
|
46 |
|
|
|
31 |
|
|
|
|
|
|
|
|
|
|
|
|
|
酸度 (mg/l) |
3 |
2 |
4 |
3 |
2 |
3 |
4 |
3 |
2 |
2 |
3 |
3 |
2 |
2 |
3 |
3 |
3 |
3 |
2 |
2 |
< 1 |
2 |
2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
アルカリ度 (mg/l) |
22 |
23 |
22 |
25 |
33 |
38 |
29 |
37 |
41 |
46 |
45 |
38 |
39 |
37 |
36 |
37 |
40 |
40 |
46 |
42 |
42 |
40 |
42 |
38 |
|
|
|
|
|
|
|
|
|
|
|
|
アルミニウム (mg/l) |
1 |
0.88 |
1.2 |
1.1 |
0.94 |
1.3 |
1.3 |
1.2 |
1.5 |
1.3 |
0.87 |
1 |
0.9 |
1.1 |
0.81 |
1.3 |
2 |
2.1 |
1.6 |
1.3 |
1.3 |
1.3 |
0.67 |
0.74 |
|
|
|
|
|
|
|
|
|
|
|
|
鉄(2価) (mg/l) |
0.03 |
0.01 |
0.03 |
0.02 |
0.02 |
0.03 |
0.02 |
0.02 |
0.02 |
0.02 |
0.05 |
< 0.01 |
< 0.01 |
< 0.01 |
0.01 |
< 0.01 |
0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
|
|
|
|
|
|
|
|
|
|
|
|
鉄(3価) (mg/l) |
0.03 |
0.03 |
< 0.01 |
0.03 |
0.05 |
0.04 |
0.05 |
0.03 |
0.07 |
0.03 |
0.01 |
0.05 |
0.05 |
0.08 |
0.05 |
0.05 |
0.03 |
0.03 |
0.07 |
0.04 |
0.07 |
0.09 |
0.05 |
0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.0 |
|
0.87 |
|
0.91 |
|
0.96 |
|
1.0 |
|
1.7 |