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 |
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 |
1025 |
1140 |
1035 |
1030 |
1140 |
1035 |
1030 |
1025 |
1210 |
1040 |
1140 |
1035 |
1040 |
1030 |
1240 |
1035 |
1145 |
1050 |
1030 |
1130 |
1025 |
1035 |
1330 |
1030 |
1045 |
1200 |
1030 |
1130 |
1200 |
1045 |
1035 |
1200 |
1020 |
1030 |
1200 |
1035 |
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 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
晴れ |
気温 (℃) |
20.2 |
21.5 |
13.9 |
24.6 |
23.6 |
20.4 |
20.5 |
19.6 |
25.2 |
26.5 |
26.0 |
24.5 |
19.4 |
25.9 |
26.8 |
22.9 |
24.2 |
22.8 |
14.7 |
11.0 |
11.1 |
6.5 |
5.8 |
8.5 |
5.2 |
2.8 |
-1.0 |
0.7 |
3.1 |
3.3 |
6.8 |
-1.1 |
6.9 |
9.5 |
1.2 |
6.9 |
水温 (℃) |
9.4 |
10.1 |
8.8 |
12.2 |
14.5 |
14.1 |
16.7 |
15.8 |
19.5 |
18.0 |
20.2 |
18.3 |
18.0 |
19.3 |
20.2 |
17.1 |
17.0 |
13.5 |
13.0 |
11.0 |
9.2 |
8.2 |
6.2 |
6.4 |
3.5 |
2.6 |
2.0 |
2.5 |
4.0 |
4.2 |
4.0 |
1.2 |
3.8 |
4.8 |
3.6 |
4.0 |
流量 (m3/s) |
106.75 |
62.21 |
35.66 |
44.19 |
41.25 |
39.81 |
31.74 |
33.02 |
29.25 |
44.19 |
37.02 |
41.25 |
38.41 |
44.19 |
38.41 |
33.02 |
55.30 |
33.02 |
73.33 |
33.02 |
29.25 |
52.00 |
33.02 |
26.86 |
25.71 |
21.34 |
19.31 |
22.40 |
24.58 |
37.02 |
22.40 |
22.40 |
24.58 |
28.05 |
33.02 |
37.02 |
採取水深 (m) |
0.4 |
0.2 |
0.3 |
0.2 |
0.2 |
0.3 |
0.3 |
0.2 |
0.2 |
0.3 |
0.2 |
0.3 |
0.3 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.4 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.3 |
0.2 |
0.4 |
0.2 |
0.2 |
0.3 |
0.3 |
0.2 |
0.1 |
0.3 |
0.2 |
0.3 |
全水深 (m) |
2.0 |
1.0 |
1.4 |
1.1 |
1.0 |
1.5 |
1.4 |
1.1 |
0.9 |
1.5 |
0.9 |
1.5 |
1.4 |
1.1 |
0.9 |
1.4 |
1.0 |
1.1 |
2.2 |
0.9 |
0.8 |
1.5 |
0.8 |
1.2 |
1.3 |
0.8 |
1.8 |
1.2 |
0.8 |
1.3 |
1.3 |
0.8 |
0.8 |
1.3 |
0.9 |
1.4 |
外観 |
茶濁 |
白濁 |
白濁 |
茶濁 |
茶濁 |
白濁 |
白濁 |
白濁 |
白濁 |
茶濁 |
無色澄明 |
無色澄明 |
白濁 |
白濁 |
微茶濁 |
濃白濁 |
無色澄明 |
白濁 |
茶濁 |
無色澄明 |
白濁 |
茶濁 |
無色澄明 |
白濁 |
白濁 |
白濁 |
白濁 |
濃白濁 |
白濁 |
白濁 |
白濁 |
無色澄明 |
白濁 |
白濁 |
無色澄明 |
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 |
7.6 |
7.2 |
7.4 |
7.6 |
7.6 |
7.7 |
7.6 |
7.6 |
7.6 |
7.7 |
7.7 |
7.6 |
7.7 |
7.8 |
7.6 |
7.7 |
7.6 |
7.6 |
7.7 |
7.7 |
7.7 |
7.7 |
7.8 |
7.7 |
7.7 |
7.6 |
7.7 |
7.7 |
7.6 |
7.6 |
7.9 |
7.9 |
7.8 |
7.7 |
DO (mg/l) |
|
11.6 |
|
|
10.4 |
|
|
|
9.6 |
|
8.9 |
|
|
|
9.2 |
|
9.4 |
|
|
10.6 |
|
|
12.3 |
|
|
13.6 |
|
|
12.9 |
|
|
14.0 |
|
|
13.4 |
|
BOD (mg/l) |
|
0.6 |
|
|
0.5 |
|
|
|
0.7 |
|
0.6 |
|
|
|
0.6 |
|
0.7 |
|
|
0.6 |
|
|
0.5 |
|
|
0.6 |
|
|
0.7 |
|
|
0.9 |
|
|
0.9 |
|
COD (mg/l) |
|
2.1 |
|
|
2.7 |
|
|
|
3.2 |
|
3.4 |
|
|
|
2.5 |
|
2.3 |
|
|
1.5 |
|
|
1.7 |
|
|
1.8 |
|
|
2.2 |
|
|
2.2 |
|
|
2.5 |
|
SS (mg/l) |
73 |
14 |
11 |
19 |
14 |
13 |
12 |
12 |
13 |
14 |
15 |
17 |
14 |
15 |
12 |
14 |
11 |
6 |
17 |
8 |
10 |
24 |
10 |
7 |
13 |
10 |
10 |
15 |
12 |
11 |
9 |
12 |
9 |
8 |
11 |
8 |
大腸菌群数 (MPN/100ml) |
|
7.9E+02 |
|
|
7.9E+02 |
|
|
|
1.3E+03 |
|
4.9E+03 |
|
|
|
1.7E+04 |
|
4.9E+03 |
|
|
2.4E+03 |
|
|
7.9E+02 |
|
|
4.9E+03 |
|
|
1.3E+03 |
|
|
2.2E+03 |
|
|
7.9E+03 |
|
全窒素 (mg/l) |
|
|
|
|
1.00 |
|
|
|
|
|
1.20 |
|
|
|
|
|
1.20 |
|
|
|
|
|
0.98 |
|
|
|
|
|
1.20 |
|
|
|
|
|
1.60 |
|
全燐 (mg/l) |
|
|
|
|
0.053 |
|
|
|
|
|
0.056 |
|
|
|
|
|
0.045 |
|
|
|
|
|
0.049 |
|
|
|
|
|
0.066 |
|
|
|
|
|
0.057 |
|
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) |
< 0.1 |
|
< 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 |
|
|
|
|
|
< 2 |
|
|
|
|
|
2 |
|
|
|
|
|
7 |
|
|
|
|
|
4 |
|
透視度 |
23.0 |
> 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 |
|
|
|
|
|
7 |
|
|
|
7 |
|
|
|
|
|
|
|
8 |
|
|
|
9 |
|
|
|
|
|
|
|
11 |
カルシウム (mg/l) |
|
|
|
|
|
18.3 |
|
|
|
|
|
19.9 |
|
|
|
21.8 |
|
|
|
|
|
|
|
21.3 |
|
|
|
23.8 |
|
|
|
|
|
|
|
21.6 |
マグネシウム (mg/l) |
|
|
|
|
|
4.47 |
|
|
|
|
|
5.06 |
|
|
|
5.33 |
|
|
|
|
|
|
|
5.19 |
|
|
|
5.56 |
|
|
|
|
|
|
|
5.63 |
硫酸イオン (mg/l) |
|
|
|
|
|
37 |
|
|
|
|
|
37 |
|
|
|
41 |
|
|
|
|
|
|
|
42 |
|
|
|
44 |
|
|
|
|
|
|
|
34 |
酸度 (mg/l) |
2 |
|
1 |
4 |
|
3 |
2 |
3 |
|
4 |
|
4 |
3 |
4 |
|
4 |
|
4 |
3 |
|
3 |
2 |
|
3 |
2 |
|
4 |
4 |
|
2 |
3 |
|
2 |
2 |
|
2 |
アルカリ度 (mg/l) |
16 |
|
24 |
19 |
|
27 |
31 |
35 |
|
34 |
|
37 |
38 |
41 |
|
41 |
|
39 |
26 |
|
37 |
30 |
|
38 |
38 |
|
40 |
40 |
|
38 |
40 |
|
44 |
44 |
|
40 |
アルミニウム (mg/l) |
3.79 |
|
1.44 |
1.77 |
|
1.39 |
1.29 |
1.28 |
|
1.40 |
|
1.53 |
1.42 |
1.41 |
|
1.50 |
|
1.03 |
1.49 |
|
1.29 |
1.83 |
|
1.14 |
1.42 |
|
1.66 |
1.60 |
|
1.13 |
1.05 |
|
1.22 |
1.16 |
|
0.81 |
鉄(2価) (mg/l) |
0.02 |
|
0.01 |
0.01 |
|
0.01 |
< 0.01 |
0.03 |
|
< 0.01 |
|
< 0.01 |
< 0.01 |
< 0.01 |
|
< 0.01 |
|
< 0.01 |
0.03 |
|
< 0.01 |
0.02 |
|
< 0.01 |
< 0.01 |
|
< 0.01 |
< 0.01 |
|
0.01 |
< 0.01 |
|
0.01 |
< 0.01 |
|
< 0.01 |
鉄(3価) (mg/l) |
0.05 |
|
< 0.01 |
0.02 |
|
0.01 |
0.06 |
0.09 |
|
0.13 |
|
0.08 |
0.07 |
0.07 |
|
0.07 |
|
< 0.01 |
0.09 |
|
0.04 |
0.07 |
|
0.03 |
0.05 |
|
0.03 |
0.06 |
|
0.05 |
0.03 |
|
0.04 |
0.04 |
|
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) |
|
|
|
|
0.86 |
|
|
|
|
|
1.19 |
|
|
|
|
|
1.08 |
|
|
|
|
|
0.75 |
|
|
|
|
|
1.06 |
|
|
|
|
|
1.45 |
|