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 |
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 |
1025 |
1030 |
1200 |
1040 |
1030 |
1200 |
1040 |
1120 |
1038 |
1015 |
1035 |
1220 |
1050 |
1020 |
1240 |
1025 |
1040 |
1140 |
1130 |
1040 |
1045 |
1030 |
1530 |
1025 |
1045 |
1140 |
1020 |
1210 |
1100 |
1030 |
1130 |
1050 |
1020 |
1100 |
1230 |
1110 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
気温 (℃) |
9.2 |
19.2 |
18.0 |
16.4 |
17.2 |
20.9 |
19.8 |
21.0 |
23.1 |
19.6 |
28.2 |
28.8 |
21.6 |
26.5 |
33.0 |
28.2 |
23.7 |
22.3 |
18.0 |
19.3 |
10.8 |
6.6 |
1.8 |
6.8 |
3.7 |
1.0 |
1.8 |
2.0 |
-4.5 |
-2.7 |
-0.5 |
0.3 |
3.8 |
5.0 |
3.0 |
2.3 |
水温 (℃) |
6.8 |
11.0 |
11.6 |
9.6 |
12.0 |
14.6 |
15.2 |
15.6 |
18.1 |
17.5 |
20.0 |
20.5 |
15.0 |
19.0 |
20.5 |
18.5 |
17.8 |
16.4 |
14.2 |
13.5 |
10.2 |
6.8 |
6.3 |
5.3 |
5.8 |
2.6 |
5.7 |
2.3 |
2.9 |
1.0 |
2.5 |
3.3 |
4.0 |
3.2 |
3.9 |
4.0 |
流量 (m3/s) |
89.41 |
54.09 |
51.04 |
37.13 |
34.62 |
38.42 |
28.71 |
29.85 |
21.37 |
23.36 |
27.60 |
27.59 |
105.72 |
57.22 |
49.55 |
34.62 |
29.85 |
32.19 |
37.13 |
29.85 |
51.04 |
35.86 |
58.82 |
45.21 |
41.07 |
27.59 |
37.13 |
20.41 |
19.47 |
19.47 |
18.55 |
19.47 |
20.41 |
21.37 |
20.41 |
20.41 |
採取水深 (m) |
0.4 |
0.3 |
0.2 |
0.4 |
0.3 |
0.2 |
0.3 |
0.2 |
0.3 |
0.3 |
0.3 |
0.2 |
0.4 |
0.3 |
0.2 |
0.3 |
0.3 |
0.2 |
0.2 |
0.3 |
0.3 |
0.3 |
0.2 |
0.4 |
0.3 |
0.2 |
0.4 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.3 |
全水深 (m) |
1.8 |
1.4 |
1.0 |
1.9 |
1.4 |
1.0 |
1.3 |
0.9 |
1.3 |
1.3 |
1.3 |
0.9 |
2.0 |
1.5 |
1.1 |
1.4 |
1.3 |
1.0 |
1.0 |
1.4 |
1.5 |
1.4 |
1.1 |
1.9 |
1.4 |
0.9 |
1.8 |
0.8 |
1.1 |
1.3 |
0.8 |
1.2 |
1.1 |
1.2 |
0.8 |
1.3 |
外観 |
濃白濁 |
白濁 |
微茶濁 |
白濁 |
茶濁 |
微茶濁 |
白濁 |
微茶濁 |
無色澄明 |
白濁 |
白濁 |
微茶濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
濃白濁 |
白濁 |
濃白濁 |
白濁 |
白濁 |
微茶濁 |
白濁 |
白濁 |
白濁 |
濃白濁 |
白濁 |
茶濁 |
白濁 |
濃白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
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 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.5 |
7.8 |
8.1 |
8.0 |
7.8 |
7.7 |
7.6 |
7.3 |
7.4 |
7.6 |
7.7 |
7.8 |
7.6 |
7.7 |
7.8 |
7.7 |
7.7 |
7.3 |
7.4 |
7.5 |
7.4 |
7.6 |
7.6 |
7.8 |
7.9 |
7.8 |
7.5 |
8.0 |
8.0 |
8.2 |
8.1 |
DO (mg/l) |
|
|
10.9 |
|
|
10.5 |
|
10.7 |
|
|
|
9.3 |
|
|
9.1 |
|
|
10.5 |
10.0 |
|
|
|
11.7 |
|
|
13.2 |
|
14.0 |
|
|
14.6 |
|
|
|
15.1 |
|
BOD (mg/l) |
|
|
0.7 |
|
|
0.9 |
|
1.1 |
|
|
|
0.9 |
|
|
0.8 |
|
|
0.8 |
0.7 |
|
|
|
0.7 |
|
|
0.6 |
|
0.8 |
|
|
0.7 |
|
|
|
0.6 |
|
COD (mg/l) |
|
|
2.3 |
|
|
2.7 |
|
3.4 |
|
|
|
2.3 |
|
|
2.5 |
|
|
2.5 |
2.2 |
|
|
|
3.1 |
|
|
1.4 |
|
2.0 |
|
|
2.3 |
|
|
|
1.4 |
|
SS (mg/l) |
24 |
13 |
14 |
12 |
17 |
15 |
11 |
12 |
12 |
14 |
10 |
12 |
22 |
17 |
15 |
9 |
8 |
14 |
8 |
10 |
12 |
6 |
10 |
7 |
7 |
7 |
15 |
8 |
32 |
10 |
11 |
8 |
8 |
8 |
10 |
8 |
大腸菌群数 (MPN/100ml) |
|
|
7.9E+02 |
|
|
1.3E+03 |
|
3.3E+03 |
|
|
|
4.9E+03 |
|
|
4.9E+03 |
|
|
4.9E+03 |
3.5E+03 |
|
|
|
4.9E+03 |
|
|
2.4E+03 |
|
1.7E+03 |
|
|
4.9E+02 |
|
|
|
3.3E+02 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.20 |
|
|
|
|
|
1.32 |
|
|
|
|
|
1.27 |
|
|
|
|
1.15 |
|
|
|
|
1.31 |
|
|
|
|
|
|
1.52 |
|
全燐 (mg/l) |
|
|
|
|
|
0.059 |
|
|
|
|
|
0.044 |
|
|
|
|
|
0.046 |
|
|
|
|
0.039 |
|
|
|
|
0.058 |
|
|
|
|
|
|
0.054 |
|
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) |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
|
|
< 0.002 |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
< 0.002 |
|
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 |
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
3 |
|
|
|
|
|
< 2 |
|
|
|
|
|
5 |
|
|
|
|
< 2 |
|
|
|
|
3 |
|
|
|
|
|
|
5 |
|
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 |
28.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
|
|
10 |
|
|
|
|
|
9 |
|
|
|
|
|
7 |
|
|
|
|
8 |
|
|
|
|
|
|
11 |
|
|
|
|
|
|
9 |
カルシウム (mg/l) |
|
|
|
|
20.1 |
|
|
|
|
|
23.1 |
|
|
|
|
|
22.5 |
|
|
|
|
20.5 |
|
|
|
|
|
|
24.2 |
|
|
|
|
|
|
25.8 |
マグネシウム (mg/l) |
|
|
|
|
4.69 |
|
|
|
|
|
5.68 |
|
|
|
|
|
5.53 |
|
|
|
|
4.93 |
|
|
|
|
|
|
5.74 |
|
|
|
|
|
|
6.55 |
硫酸イオン (mg/l) |
|
|
|
|
42 |
|
|
|
|
|
44 |
|
|
|
|
|
43 |
|
|
|
|
37 |
|
|
|
|
|
|
47 |
|
|
|
|
|
|
45 |
酸度 (mg/l) |
4 |
3 |
|
3 |
2 |
|
2 |
|
2 |
4 |
4 |
|
4 |
4 |
|
3 |
3 |
|
|
4 |
3 |
4 |
|
6 |
5 |
|
4 |
|
2 |
2 |
|
4 |
2 |
3 |
|
2 |
アルカリ度 (mg/l) |
19 |
20 |
|
23 |
27 |
|
35 |
|
43 |
45 |
41 |
|
25 |
32 |
|
37 |
39 |
|
|
42 |
35 |
38 |
|
34 |
35 |
|
37 |
|
43 |
46 |
|
45 |
47 |
46 |
|
46 |
アルミニウム (mg/l) |
1.63 |
1.17 |
|
1.07 |
1.50 |
|
1.51 |
|
1.28 |
1.47 |
1.61 |
|
1.82 |
1.37 |
|
1.23 |
1.16 |
|
|
1.18 |
0.91 |
0.96 |
|
0.94 |
1.01 |
|
1.70 |
|
2.48 |
2.07 |
|
1.33 |
0.91 |
0.81 |
|
0.99 |
鉄(2価) (mg/l) |
< 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 |
< 0.01 |
< 0.01 |
|
0.02 |
< 0.01 |
|
< 0.01 |
|
0.01 |
0.01 |
|
0.01 |
< 0.01 |
0.02 |
|
< 0.01 |
鉄(3価) (mg/l) |
0.07 |
0.04 |
|
0.03 |
0.04 |
|
0.05 |
|
0.03 |
0.05 |
0.03 |
|
0.08 |
0.03 |
|
0.02 |
0.05 |
|
|
0.04 |
0.07 |
0.02 |
|
0.03 |
0.07 |
|
0.05 |
|
0.06 |
0.01 |
|
0.06 |
0.04 |
0.06 |
|
0.08 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
0.96 |
|
|
|
|
|
1.04 |
|
|
|
|
|
1.25 |
|
|
|
|
1.00 |
|
|
|
|
1.13 |
|
|
|
|
|
|
1.33 |
|