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 |
2001.04.12 |
2001.04.18 |
2001.04.26 |
2001.05.15 |
2001.05.23 |
2001.05.28 |
2001.06.06 |
2001.06.22 |
2001.06.26 |
2001.07.09 |
2001.07.11 |
2001.07.27 |
2001.08.07 |
2001.08.27 |
2001.08.29 |
2001.09.05 |
2001.09.19 |
2001.09.25 |
2001.10.03 |
2001.10.10 |
2001.10.19 |
2001.11.07 |
2001.11.14 |
2001.11.21 |
2001.12.05 |
2001.12.12 |
2001.12.20 |
2002.01.09 |
2002.01.16 |
2002.01.24 |
2002.02.06 |
2002.02.13 |
2002.02.21 |
2002.03.01 |
2002.03.06 |
2002.03.13 |
採取時刻 |
1045 |
1110 |
1055 |
1050 |
1030 |
1100 |
1110 |
1050 |
1050 |
1105 |
1040 |
1100 |
1105 |
1055 |
1130 |
1055 |
1050 |
1110 |
1050 |
1040 |
1050 |
1050 |
1150 |
1055 |
1105 |
1110 |
1055 |
1155 |
1110 |
1115 |
1100 |
1115 |
1104 |
1100 |
1110 |
1100 |
天候 |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
雨 |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
晴れ |
気温 (℃) |
22.9 |
20.0 |
13.2 |
26.7 |
24.3 |
20.3 |
20.7 |
22.0 |
25.0 |
30.1 |
24.8 |
25.1 |
20.7 |
28.0 |
24.1 |
23.8 |
22.4 |
23.2 |
16.3 |
12.0 |
14.0 |
7.6 |
7.5 |
9.8 |
5.7 |
2.4 |
0.4 |
2.6 |
2.0 |
3.8 |
6.5 |
-2.0 |
8.1 |
10.5 |
1.0 |
6.7 |
水温 (℃) |
9.7 |
9.9 |
10.2 |
11.8 |
13.8 |
14.7 |
15.1 |
15.0 |
19.2 |
19.8 |
21.3 |
21.5 |
20.0 |
21.2 |
21.2 |
20.2 |
17.2 |
14.5 |
14.3 |
13.7 |
13.0 |
9.4 |
7.5 |
7.1 |
5.4 |
3.8 |
1.5 |
2.6 |
2.3 |
2.6 |
2.9 |
3.0 |
2.8 |
4.5 |
3.4 |
3.0 |
流量 (m3/s) |
13.86 |
54.64 |
54.37 |
53.17 |
50.00 |
53.41 |
51.64 |
54.01 |
46.61 |
51.25 |
51.64 |
47.85 |
44.69 |
47.35 |
46.25 |
47.20 |
45.45 |
38.01 |
54.80 |
26.42 |
13.54 |
17.39 |
40.00 |
34.61 |
40.05 |
35.71 |
36.24 |
35.98 |
38.46 |
48.37 |
43.78 |
47.61 |
49.90 |
30.35 |
32.25 |
50.61 |
採取水深 (m) |
0.3 |
0.2 |
0.5 |
0.3 |
0.2 |
0.4 |
0.6 |
0.4 |
0.2 |
0.4 |
0.2 |
0.4 |
0.3 |
0.3 |
0.2 |
0.3 |
0.2 |
0.3 |
0.4 |
0.2 |
0.2 |
0.2 |
0.2 |
0.3 |
0.3 |
0.2 |
0.4 |
0.3 |
0.2 |
0.3 |
0.3 |
0.2 |
0.5 |
0.3 |
0.2 |
0.4 |
全水深 (m) |
1.4 |
1.2 |
2.4 |
1.5 |
1.2 |
2.0 |
3.1 |
1.9 |
1.2 |
2.0 |
1.2 |
1.8 |
1.6 |
1.6 |
1.2 |
1.7 |
1.2 |
1.4 |
1.8 |
1.0 |
0.9 |
1.2 |
12.0 |
1.8 |
1.7 |
1.2 |
2.2 |
1.5 |
1.2 |
1.7 |
1.7 |
1.2 |
2.4 |
1.5 |
1.0 |
1.8 |
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 |
無色澄明 |
微茶濁 |
微茶濁 |
白濁 |
無色澄明 |
茶濁 |
白濁 |
茶濁 |
微茶濁 |
白濁 |
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 |
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 |
7.5 |
7.2 |
7.4 |
7.2 |
7.1 |
7.2 |
7.3 |
7.3 |
7.4 |
7.4 |
7.5 |
7.4 |
7.5 |
7.4 |
7.6 |
7.5 |
7.4 |
7.5 |
7.5 |
7.6 |
7.8 |
7.6 |
7.4 |
7.5 |
7.7 |
7.5 |
7.5 |
7.4 |
7.3 |
7.5 |
7.4 |
7.3 |
7.5 |
7.5 |
7.4 |
7.3 |
DO (mg/l) |
|
10.7 |
|
|
9.4 |
|
|
|
8.1 |
|
8.3 |
|
|
|
8.2 |
|
8.9 |
|
|
11.7 |
|
|
10.8 |
|
|
12.0 |
|
|
12.1 |
|
|
12.1 |
|
|
12.6 |
|
BOD (mg/l) |
|
0.6 |
|
|
0.5 |
|
|
|
1.0 |
|
0.7 |
|
|
|
0.8 |
|
0.5 |
|
|
0.5 |
|
|
0.7 |
|
|
0.7 |
|
|
< 5.0 |
|
|
0.8 |
|
|
0.6 |
|
COD (mg/l) |
|
1.5 |
|
|
1.2 |
|
|
|
2.6 |
|
2.4 |
|
|
|
2.0 |
|
2.2 |
|
|
1.5 |
|
|
1.6 |
|
|
1.6 |
|
|
0.9 |
|
|
1.4 |
|
|
1.4 |
|
SS (mg/l) |
3 |
3 |
2 |
3 |
2 |
1 |
3 |
10 |
5 |
6 |
5 |
10 |
7 |
12 |
9 |
5 |
10 |
3 |
7 |
6 |
3 |
2 |
2 |
1 |
1 |
2 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
|
4.9E+02 |
|
|
1.3E+02 |
|
|
|
4.9E+02 |
|
1.3E+03 |
|
|
|
9.2E+04 |
|
7.9E+03 |
|
|
2.4E+03 |
|
|
1.3E+03 |
|
|
1.1E+02 |
|
|
7.9E+01 |
|
|
2.2E+02 |
|
|
4.9E+02 |
|
全窒素 (mg/l) |
|
|
|
|
1.10 |
|
|
|
|
|
1.20 |
|
|
|
|
|
1.0 |
|
|
|
|
|
0.93 |
|
|
|
|
|
1.00 |
|
|
|
|
|
1.20 |
|
全燐 (mg/l) |
|
|
|
|
0.013 |
|
|
|
|
|
0.023 |
|
|
|
|
|
0.029 |
|
|
|
|
|
0.014 |
|
|
|
|
|
0.017 |
|
|
|
|
|
0.013 |
|
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 |
0.5 |
|
< 0.1 |
|
0.1 |
0.1 |
0.2 |
|
< 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 |
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 |
> 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 |
|
|
|
|
|
8 |
|
|
|
6 |
|
|
|
|
|
|
|
6 |
|
|
|
7 |
|
|
|
|
|
|
|
16 |
カルシウム (mg/l) |
|
|
|
|
|
16.3 |
|
|
|
|
|
15.3 |
|
|
|
18.0 |
|
|
|
|
|
|
|
18.0 |
|
|
|
20.9 |
|
|
|
|
|
|
|
17.7 |
マグネシウム (mg/l) |
|
|
|
|
|
3.68 |
|
|
|
|
|
3.72 |
|
|
|
4.30 |
|
|
|
|
|
|
|
4.21 |
|
|
|
4.70 |
|
|
|
|
|
|
|
4.46 |
硫酸イオン (mg/l) |
|
|
|
|
|
35 |
|
|
|
|
|
25 |
|
|
|
32 |
|
|
|
|
|
|
|
32 |
|
|
|
40 |
|
|
|
|
|
|
|
28 |
酸度 (mg/l) |
2 |
|
2 |
4 |
|
4 |
4 |
7 |
|
4 |
|
5 |
3 |
5 |
|
4 |
|
5 |
3 |
|
3 |
3 |
|
4 |
3 |
|
4 |
6 |
|
4 |
5 |
|
5 |
3 |
|
3 |
アルカリ度 (mg/l) |
25 |
|
20 |
18 |
|
21 |
24 |
28 |
|
30 |
|
30 |
33 |
36 |
|
35 |
|
34 |
24 |
|
33 |
34 |
|
33 |
32 |
|
34 |
35 |
|
35 |
34 |
|
35 |
35 |
|
35 |
アルミニウム (mg/l) |
0.46 |
|
0.21 |
0.29 |
|
0.15 |
0.33 |
1.14 |
|
0.52 |
|
0.90 |
0.56 |
0.89 |
|
0.62 |
|
0.41 |
0.68 |
|
0.39 |
0.27 |
|
0.17 |
0.16 |
|
0.22 |
0.20 |
|
0.36 |
0.18 |
|
0.22 |
0.25 |
|
0.16 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
1.00 |
|
|
|
|
|
1.08 |
|
|
|
|
|
1.22 |
|
|
|
|
|
0.86 |
|
|
|
|
|
1.01 |
|
|
|
|
|
1.20 |
|