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 |
2002.04.10 |
2002.04.22 |
2002.04.24 |
2002.05.02 |
2002.05.15 |
2002.05.22 |
2002.06.05 |
2002.06.12 |
2002.06.18 |
2002.07.02 |
2002.07.30 |
2002.07.30 |
2002.08.23 |
2002.08.27 |
2002.08.30 |
2002.09.04 |
2002.09.10 |
2002.09.18 |
2002.10.09 |
2002.10.17 |
2002.10.23 |
2002.11.06 |
2002.11.13 |
2002.11.19 |
2002.12.04 |
2002.12.11 |
2002.12.17 |
2003.01.08 |
2003.01.15 |
2003.01.22 |
2003.02.05 |
2003.02.12 |
2003.02.20 |
2003.03.03 |
2003.03.05 |
2003.03.12 |
採取時刻 |
1050 |
1100 |
1100 |
1100 |
1100 |
1110 |
1105 |
1050 |
1110 |
1040 |
1055 |
1110 |
1120 |
1050 |
1140 |
1050 |
1100 |
1050 |
1055 |
1105 |
1120 |
1055 |
1255 |
1045 |
1110 |
1110 |
1045 |
1130 |
1125 |
1055 |
1100 |
1115 |
1055 |
1130 |
1150 |
1135 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
気温 (℃) |
11.1 |
20.2 |
15.5 |
19.8 |
17.4 |
20.6 |
21.0 |
20.8 |
23.5 |
20.6 |
29.2 |
29.5 |
23.5 |
27.9 |
33.0 |
30.5 |
25.2 |
22.8 |
19.8 |
21.2 |
11.3 |
7.3 |
2.0 |
8.5 |
4.2 |
0.8 |
1.9 |
1.6 |
-3.9 |
0.6 |
-1.5 |
-0.8 |
5.2 |
4.8 |
3.0 |
3.3 |
水温 (℃) |
8.6 |
9.8 |
10.8 |
11.4 |
12.2 |
13.3 |
16.9 |
18.3 |
20.0 |
19.8 |
22.5 |
22.5 |
15.2 |
19.2 |
20.2 |
22.2 |
20.0 |
16.2 |
15.6 |
14.2 |
12.0 |
8.2 |
6.5 |
5.0 |
6.8 |
4.5 |
2.3 |
1.9 |
2.0 |
2.1 |
2.0 |
2.0 |
4.2 |
3.0 |
3.3 |
3.0 |
流量 (m3/s) |
88.10 |
54.80 |
52.63 |
52.30 |
33.84 |
52.63 |
53.62 |
50.00 |
51.42 |
20.95 |
29.80 |
29.41 |
94.00 |
55.00 |
55.00 |
40.78 |
38.46 |
32.25 |
52.63 |
52.93 |
54.01 |
41.57 |
52.63 |
45.45 |
53.82 |
52.63 |
33.53 |
52.63 |
24.81 |
24.80 |
53.53 |
50.09 |
16.65 |
50.83 |
51.70 |
52.85 |
採取水深 (m) |
0.4 |
0.3 |
0.2 |
0.5 |
0.4 |
0.2 |
0.4 |
0.2 |
0.4 |
0.3 |
0.3 |
0.2 |
0.2 |
0.4 |
0.2 |
0.3 |
0.3 |
0.2 |
0.2 |
0.4 |
0.3 |
0.3 |
0.2 |
0.5 |
0.4 |
0.2 |
0.5 |
0.2 |
0.3 |
0.3 |
0.2 |
0.4 |
0.2 |
0.3 |
0.2 |
0.4 |
全水深 (m) |
2.1 |
1.6 |
1.2 |
2.5 |
1.8 |
1.2 |
1.8 |
1.2 |
1.8 |
1.3 |
1.6 |
1.0 |
1.1 |
1.9 |
1.2 |
1.7 |
1.7 |
1.0 |
1.2 |
1.8 |
1.8 |
1.7 |
1.2 |
2.4 |
1.9 |
1.2 |
2.5 |
1.2 |
1.4 |
1.3 |
1.2 |
1.8 |
1.0 |
1.8 |
1.2 |
1.8 |
外観 |
白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
白濁 |
白濁 |
微茶濁 |
微茶濁 |
茶濁 |
白濁 |
微茶濁 |
茶濁 |
白濁 |
茶濁 |
白濁 |
白濁 |
白濁 |
白濁 |
茶濁 |
白濁 |
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 |
無色澄明 |
無色澄明 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.3 |
7.3 |
7.2 |
7.3 |
7.2 |
7.4 |
7.3 |
7.3 |
7.2 |
7.3 |
7.6 |
7.5 |
7.3 |
7.4 |
7.4 |
7.6 |
7.6 |
7.4 |
7.5 |
7.6 |
7.5 |
7.5 |
7.3 |
7.2 |
7.3 |
7.3 |
7.6 |
7.3 |
7.6 |
7.7 |
7.3 |
7.5 |
7.4 |
7.4 |
7.5 |
7.5 |
DO (mg/l) |
|
|
10.7 |
|
|
9.6 |
|
7.4 |
|
|
|
8.7 |
|
|
8.8 |
|
|
9.5 |
9.2 |
|
|
|
10.6 |
|
|
11.7 |
|
12.9 |
|
|
12.5 |
|
|
|
12.4 |
|
BOD (mg/l) |
|
|
0.7 |
|
|
0.7 |
|
1.2 |
|
|
|
1.3 |
|
|
0.6 |
|
|
0.9 |
1.0 |
|
|
|
0.7 |
|
|
0.5 |
|
0.9 |
|
|
0.5 |
|
|
|
0.6 |
|
COD (mg/l) |
|
|
1.3 |
|
|
1.8 |
|
2.2 |
|
|
|
1.9 |
|
|
2.4 |
|
|
2.5 |
2.6 |
|
|
|
1.5 |
|
|
1.2 |
|
1.5 |
|
|
1.8 |
|
|
|
0.8 |
|
SS (mg/l) |
3 |
6 |
4 |
2 |
2 |
3 |
3 |
3 |
5 |
11 |
5 |
5 |
17 |
9 |
13 |
6 |
5 |
7 |
6 |
9 |
8 |
2 |
2 |
2 |
2 |
1 |
1 |
< 1 |
1 |
1 |
2 |
2 |
2 |
2 |
1 |
2 |
大腸菌群数 (MPN/100ml) |
|
|
4.9E+02 |
|
|
4.9E+02 |
|
1.3E+03 |
|
|
|
7.9E+03 |
|
|
2.4E+04 |
|
|
1.3E+04 |
7.9E+03 |
|
|
|
4.9E+02 |
|
|
4.9E+01 |
|
7.9E+01 |
|
|
1.7E+02 |
|
|
|
1.7E+02 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.17 |
|
|
|
|
|
1.25 |
|
|
|
|
|
1.23 |
|
|
|
|
1.01 |
|
|
|
|
1.15 |
|
|
|
|
|
|
1.03 |
|
全燐 (mg/l) |
|
|
|
|
|
0.019 |
|
|
|
|
|
0.021 |
|
|
|
|
|
0.035 |
|
|
|
|
0.012 |
|
|
|
|
0.011 |
|
|
|
|
|
|
0.017 |
|
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 |
鉄(溶解性) (mg/l) |
< 0.1 |
< 0.1 |
|
< 0.1 |
< 0.1 |
|
< 0.1 |
|
0.1 |
0.3 |
< 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 |
|
|
|
|
|
4 |
|
|
|
|
|
4 |
|
|
|
|
2 |
|
|
|
|
< 2 |
|
|
|
|
|
|
< 2 |
|
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
|
|
9 |
|
|
|
|
|
9 |
|
|
|
|
|
7 |
|
|
|
|
7 |
|
|
|
|
|
|
7 |
|
|
|
|
|
|
8 |
カルシウム (mg/l) |
|
|
|
|
16.7 |
|
|
|
|
|
17.9 |
|
|
|
|
|
16.4 |
|
|
|
|
15.5 |
|
|
|
|
|
|
17.6 |
|
|
|
|
|
|
19.0 |
マグネシウム (mg/l) |
|
|
|
|
3.67 |
|
|
|
|
|
4.32 |
|
|
|
|
|
3.85 |
|
|
|
|
3.75 |
|
|
|
|
|
|
4.08 |
|
|
|
|
|
|
4.57 |
硫酸イオン (mg/l) |
|
|
|
|
35 |
|
|
|
|
|
30 |
|
|
|
|
|
28 |
|
|
|
|
24 |
|
|
|
|
|
|
34 |
|
|
|
|
|
|
30 |
酸度 (mg/l) |
4 |
3 |
|
4 |
4 |
|
5 |
|
6 |
6 |
4 |
|
4 |
4 |
|
4 |
4 |
|
|
5 |
3 |
5 |
|
7 |
5 |
|
4 |
|
2 |
2 |
|
4 |
4 |
5 |
|
3 |
アルカリ度 (mg/l) |
20 |
16 |
|
20 |
21 |
|
28 |
|
33 |
39 |
34 |
|
24 |
28 |
|
31 |
30 |
|
|
32 |
27 |
31 |
|
28 |
26 |
|
31 |
|
33 |
34 |
|
35 |
35 |
34 |
|
36 |
アルミニウム (mg/l) |
0.31 |
0.62 |
|
0.20 |
0.19 |
|
0.31 |
|
0.47 |
0.71 |
0.46 |
|
0.61 |
0.69 |
|
0.54 |
0.60 |
|
|
0.87 |
0.44 |
0.21 |
|
0.26 |
0.29 |
|
0.19 |
|
0.19 |
0.17 |
|
0.38 |
0.46 |
0.50 |
|
0.43 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.12 |
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
1.01 |
|
|
|
|
|
0.89 |
|
|
|
|
|
1.11 |
|
|
|
|
0.86 |
|
|
|
|
1.01 |
|
|
|
|
|
|
0.97 |
|