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 |
2003.04.11 |
2003.04.23 |
2003.04.25 |
2003.05.07 |
2003.05.20 |
2003.05.27 |
2003.06.04 |
2003.06.12 |
2003.06.18 |
2003.07.02 |
2003.07.09 |
2003.07.15 |
2003.08.06 |
2003.08.20 |
2003.08.29 |
2003.09.11 |
2003.09.17 |
2003.09.24 |
2003.10.01 |
2003.10.08 |
2003.10.16 |
2003.11.05 |
2003.11.18 |
2003.11.19 |
2003.12.03 |
2003.12.10 |
2003.12.16 |
2004.01.07 |
2004.01.14 |
2004.01.21 |
2004.02.04 |
2004.02.12 |
2004.02.18 |
2004.03.01 |
2004.03.03 |
2004.03.10 |
採取時刻 |
1100 |
1120 |
1037 |
1100 |
1020 |
1125 |
1020 |
1100 |
1100 |
1050 |
1110 |
1030 |
1025 |
1140 |
1120 |
1030 |
1140 |
1035 |
1030 |
1110 |
1025 |
1045 |
1050 |
1310 |
1045 |
1150 |
1030 |
0920 |
1035 |
1055 |
1110 |
1050 |
1055 |
1045 |
1150 |
1050 |
天候 |
曇り |
雨 |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
雪 |
曇り |
晴れ |
曇り |
晴れ |
曇り |
気温 (℃) |
12.4 |
7.8 |
17.8 |
18.1 |
18.7 |
20.5 |
22.4 |
22.7 |
28.4 |
21.1 |
18.5 |
21.2 |
29.6 |
23.5 |
27.5 |
25.1 |
26 |
18.5 |
18.7 |
17.5 |
17.9 |
11.7 |
9.6 |
14 |
7.1 |
4 |
3.9 |
-4.5 |
-1.7 |
0.7 |
-1.8 |
2.8 |
1.1 |
0.3 |
-1 |
6.7 |
水温 (℃) |
6.3 |
7.4 |
8.2 |
11.7 |
13.5 |
15.4 |
14.5 |
17.9 |
18.8 |
18 |
16.9 |
17 |
20.5 |
19.1 |
19.4 |
17.9 |
17.8 |
13.5 |
13.3 |
11.3 |
13 |
8.6 |
5.8 |
7.6 |
7 |
4 |
5.5 |
1.3 |
3 |
3.2 |
2.2 |
3.3 |
3.8 |
2.7 |
3.3 |
5.2 |
流量 (m3/s) |
75.3 |
63.27 |
64.93 |
46.49 |
39.71 |
29.98 |
25.62 |
21.61 |
24.59 |
26.68 |
26.68 |
26.68 |
19.73 |
31.12 |
84.53 |
55.32 |
33.47 |
28.86 |
25.62 |
24.59 |
26.68 |
23.57 |
28.86 |
28.86 |
32.28 |
31.12 |
28.86 |
22.58 |
23.57 |
20.66 |
17.94 |
18.83 |
21.61 |
31.12 |
28.86 |
23.57 |
採取水深 (m) |
0.36 |
0.2 |
0.32 |
0.29 |
0.26 |
0.2 |
0.23 |
0.22 |
0.2 |
0.22 |
0.2 |
0.24 |
0.2 |
0.2 |
0.3 |
0.28 |
0.2 |
0.22 |
0.24 |
0.2 |
0.23 |
0.22 |
0.22 |
0.2 |
0.25 |
0.2 |
0.23 |
0.2 |
0.21 |
0.21 |
0.2 |
0.21 |
0.22 |
0.25 |
0.2 |
0.22 |
全水深 (m) |
1.8 |
1 |
1.6 |
1.45 |
1.3 |
0.9 |
1.15 |
1.1 |
0.8 |
1.1 |
0.9 |
1.2 |
1 |
0.9 |
1.5 |
1.4 |
0.9 |
1.1 |
1.2 |
0.9 |
1.15 |
1.1 |
1.1 |
0.9 |
1.25 |
1 |
1.15 |
0.9 |
1.05 |
1.05 |
0.9 |
1.05 |
1.1 |
1.25 |
0.9 |
1.1 |
外観 |
茶色 |
微白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
茶濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
白濁 |
微白濁 |
白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
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 |
7.1 |
7.3 |
7.3 |
7.4 |
7.6 |
7.5 |
8 |
7.8 |
7.8 |
7.7 |
7.7 |
7.8 |
7.7 |
7.4 |
7.6 |
7.5 |
7.7 |
7.8 |
7.9 |
7.8 |
7.8 |
7.7 |
7.7 |
7.7 |
7.5 |
7.6 |
7.5 |
7.7 |
7.7 |
7.6 |
7.8 |
7.9 |
7.7 |
7.5 |
7.7 |
DO (mg/l) |
|
11.7 |
|
|
|
10.6 |
|
|
10.2 |
|
9.6 |
|
|
9.1 |
|
|
9.4 |
|
|
11.8 |
|
|
|
12.2 |
|
12.4 |
|
13.5 |
|
|
13.9 |
|
|
|
13.3 |
|
BOD (mg/l) |
|
0.6 |
|
|
|
0.7 |
|
|
1.1 |
|
0.6 |
|
|
0.6 |
|
|
0.5 |
|
|
0.7 |
|
|
|
0.7 |
|
1.4 |
|
0.9 |
|
|
1 |
|
|
|
0.6 |
|
COD (mg/l) |
|
2.6 |
|
|
|
2.5 |
|
|
3.1 |
|
2.5 |
|
|
2.5 |
|
|
1.9 |
|
|
1.5 |
|
|
|
1.9 |
|
2.6 |
|
2 |
|
|
2 |
|
|
|
1.9 |
|
SS (mg/l) |
20 |
14 |
13 |
15 |
14 |
11 |
11 |
11 |
14 |
13 |
12 |
13 |
12 |
9 |
52 |
17 |
10 |
9 |
10 |
9 |
7 |
6 |
9 |
9 |
8 |
18 |
10 |
12 |
11 |
10 |
11 |
11 |
11 |
12 |
10 |
8 |
大腸菌群数 (MPN/100ml) |
|
7.9E+02 |
|
|
|
3.3E+03 |
|
|
1.1E+04 |
|
2.4E+03 |
|
|
7.9E+03 |
|
|
2.4E+03 |
|
|
3.3E+03 |
|
|
|
3.3E+02 |
|
1.3E+03 |
|
7.9E+03 |
|
|
1.7E+03 |
|
|
|
1.1E+03 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.1 |
|
|
|
|
1.5 |
|
|
|
|
|
1 |
|
|
|
|
|
|
0.9 |
|
|
|
1.2 |
|
|
|
|
|
|
1.6 |
|
全燐 (mg/l) |
|
|
|
|
|
0.049 |
|
|
|
|
0.068 |
|
|
|
|
|
0.047 |
|
|
|
|
|
|
0.05 |
|
|
|
0.084 |
|
|
|
|
|
|
0.048 |
|
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 |
|
|
< 0.001 |
|
< 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) |
0.08 |
|
0.07 |
0.07 |
0.11 |
|
0.04 |
0.09 |
|
0.09 |
|
0.08 |
0.1 |
|
0.15 |
0.08 |
|
0.07 |
0.05 |
|
0.06 |
0.06 |
0.08 |
|
0.05 |
|
0.07 |
|
0.03 |
0.06 |
|
0.06 |
0.08 |
0.06 |
|
0.06 |
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 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
19 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
塩化物イオン (mg/l) |
|
|
|
6 |
|
|
|
|
|
9 |
|
|
|
|
5 |
|
|
|
|
|
|
9 |
|
|
|
|
|
|
|
14 |
|
|
|
|
|
13 |
カルシウム (mg/l) |
|
|
|
17 |
|
|
|
|
|
24 |
|
|
|
|
14 |
|
|
|
|
|
|
23 |
|
|
|
|
|
|
|
25 |
|
|
|
|
|
25 |
マグネシウム (mg/l) |
|
|
|
3.40 |
|
|
|
|
|
6.10 |
|
|
|
|
3.40 |
|
|
|
|
|
|
5.40 |
|
|
|
|
|
|
|
5.90 |
|
|
|
|
|
6.10 |
硫酸イオン (mg/l) |
|
|
|
33 |
|
|
|
|
|
42 |
|
|
|
|
29 |
|
|
|
|
|
|
38 |
|
|
|
|
|
|
|
47 |
|
|
|
|
|
43 |
酸度 (mg/l) |
3.3 |
|
4.4 |
3.8 |
4.3 |
|
4.5 |
2 |
|
2.5 |
|
4 |
3.8 |
|
5 |
3.8 |
|
3.3 |
2 |
|
2.3 |
1.5 |
1.8 |
|
2.5 |
|
3.5 |
|
2.3 |
3 |
|
2.3 |
2 |
2.5 |
|
3 |
アルカリ度 (mg/l) |
25 |
|
21 |
20 |
25 |
|
34 |
40 |
|
44 |
|
44 |
53 |
|
26 |
33 |
|
40 |
42 |
|
42 |
42 |
38 |
|
37 |
|
39 |
|
41 |
42 |
|
46 |
47 |
40 |
|
44 |
アルミニウム (mg/l) |
1.5 |
|
1.1 |
1.4 |
1.5 |
|
1.4 |
1.3 |
|
1.4 |
|
1.2 |
1.4 |
|
3 |
1.5 |
|
1 |
1.6 |
|
1.1 |
0.7 |
1 |
|
1 |
|
1.2 |
|
2.1 |
1.3 |
|
1.2 |
1.2 |
1.9 |
|
0.8 |
鉄(2価) (mg/l) |
0.05 |
|
0.07 |
0.06 |
0.06 |
|
0.04 |
0.04 |
|
0.04 |
|
0.03 |
0.03 |
|
0.07 |
0.04 |
|
0.03 |
0.02 |
|
0.02 |
0.04 |
0.03 |
|
0.04 |
|
0.04 |
|
0.01 |
0.02 |
|
0.02 |
0.02 |
0.02 |
|
0.03 |
鉄(3価) (mg/l) |
0.03 |
|
< 0.01 |
0.01 |
0.05 |
|
< 0.01 |
0.05 |
|
0.05 |
|
0.05 |
0.07 |
|
0.08 |
0.04 |
|
0.04 |
0.03 |
|
0.04 |
0.02 |
0.05 |
|
0.01 |
|
0.03 |
|
0.02 |
0.04 |
|
0.04 |
0.06 |
0.04 |
|
0.03 |
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 |
|
|
|
|
1 |
|
|
|
|
|
0.88 |
|
|
|
|
|
|
0.63 |
|
|
|
1 |
|
|
|
|
|
|
1.5 |
|