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 |
2000.04.13 |
2000.04.17 |
2000.04.24 |
2000.04.26 |
2000.05.08 |
2000.05.17 |
2000.05.23 |
2000.06.01 |
2000.06.07 |
2000.06.14 |
2000.06.20 |
2000.07.05 |
2000.07.12 |
2000.07.25 |
2000.08.01 |
2000.08.17 |
2000.08.21 |
2000.08.28 |
2000.09.05 |
2000.09.20 |
2000.09.26 |
2000.10.04 |
2000.10.11 |
2000.10.19 |
2000.10.26 |
2000.11.08 |
2000.11.15 |
2000.11.24 |
2000.12.01 |
2000.12.06 |
2000.12.13 |
2000.12.19 |
2001.01.10 |
2001.01.17 |
2001.01.25 |
2001.02.01 |
2001.02.07 |
2001.02.14 |
2001.02.22 |
2001.03.01 |
2001.03.07 |
2001.03.16 |
採取時刻 |
1020 |
1040 |
1025 |
1210 |
1055 |
1120 |
1025 |
1015 |
1045 |
1230 |
1025 |
1035 |
1300 |
1030 |
1020 |
1140 |
1030 |
1015 |
1045 |
1130 |
1028 |
1000 |
1310 |
1010 |
1025 |
1035 |
1210 |
1033 |
1024 |
1050 |
1120 |
1250 |
1050 |
1200 |
1030 |
1015 |
1040 |
1200 |
1030 |
1040 |
1220 |
1015 |
天候 |
晴れ |
曇り |
曇り |
晴れ |
雨 |
曇り |
晴れ |
曇り |
晴れ |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
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 |
晴れ |
晴れ |
雨 |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
雪 |
曇り |
気温 (℃) |
12.4 |
6.6 |
10.1 |
17.5 |
15.7 |
18.2 |
22.0 |
20.5 |
24.9 |
21.0 |
27.1 |
25.1 |
23.8 |
27.8 |
33.8 |
25.0 |
24.8 |
24.2 |
20.6 |
25.0 |
21.2 |
19.5 |
21.9 |
12.9 |
14.9 |
10.3 |
11.2 |
6.4 |
1.1 |
1.6 |
2.2 |
6.6 |
7.4 |
-4.5 |
-4.8 |
-0.9 |
-3.1 |
-3.5 |
7.0 |
3.8 |
2.0 |
3.0 |
水温 (℃) |
7.0 |
6.0 |
7.2 |
9.4 |
10.9 |
11.1 |
14.5 |
14.1 |
16.7 |
15.5 |
19.0 |
19.2 |
19.1 |
20.8 |
22.4 |
20.8 |
20.8 |
20.2 |
16.7 |
17.1 |
17.0 |
14.8 |
14.5 |
9.0 |
12.6 |
10.1 |
7.5 |
7.5 |
5.0 |
3.2 |
1.8 |
4.8 |
1.8 |
0.2 |
0.9 |
1.5 |
0.6 |
0.8 |
3.5 |
3.7 |
1.3 |
5.5 |
流量 (m3/s) |
124.28 |
88.58 |
135.05 |
107.18 |
113.78 |
111.56 |
66.53 |
56.69 |
42.04 |
39.37 |
29.57 |
30.72 |
40.69 |
35.53 |
36.79 |
39.37 |
29.57 |
26.26 |
27.34 |
44.79 |
46.20 |
35.53 |
26.26 |
24.16 |
25.20 |
28.44 |
27.34 |
56.69 |
29.57 |
28.44 |
28.44 |
33.08 |
34.30 |
21.17 |
20.22 |
21.17 |
17.50 |
18.38 |
18.38 |
22.15 |
34.30 |
39.37 |
採取水深 (m) |
0.4 |
0.3 |
0.5 |
0.3 |
0.4 |
0.3 |
0.4 |
0.4 |
0.3 |
0.2 |
0.4 |
0.3 |
0.2 |
0.3 |
0.3 |
0.2 |
0.3 |
0.2 |
0.4 |
0.2 |
0.4 |
0.3 |
0.2 |
0.2 |
0.2 |
0.3 |
0.2 |
0.3 |
0.3 |
0.3 |
0.2 |
0.3 |
0.4 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.5 |
全水深 (m) |
2.0 |
1.8 |
2.5 |
1.3 |
1.9 |
1.3 |
2.1 |
2.1 |
1.4 |
1.0 |
2.0 |
1.3 |
1.0 |
1.3 |
1.4 |
1.0 |
1.3 |
1.1 |
1.9 |
1.0 |
1.9 |
1.3 |
1.0 |
1.2 |
1.0 |
1.3 |
1.0 |
1.5 |
1.3 |
1.3 |
0.9 |
1.3 |
1.8 |
0.9 |
0.9 |
1.3 |
1.1 |
0.9 |
1.7 |
1.2 |
0.9 |
2.3 |
外観 |
茶色 |
白濁 |
茶色 |
微白濁 |
茶色 |
茶色 |
微白濁 |
白濁 |
白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
白濁 |
微茶濁 |
茶色 |
白濁 |
白濁 |
白濁 |
無色澄明 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
白濁 |
白濁 |
微白濁 |
白濁 |
茶色 |
微白濁 |
微白濁 |
白濁 |
微白濁 |
微白濁 |
白濁 |
微茶濁 |
微白濁 |
微茶濁 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.2 |
7.3 |
7.0 |
6.9 |
7.1 |
6.9 |
7.2 |
7.4 |
7.4 |
7.6 |
7.8 |
7.6 |
7.6 |
7.6 |
7.5 |
7.9 |
7.6 |
7.6 |
7.6 |
7.5 |
7.6 |
7.8 |
7.7 |
7.7 |
7.9 |
7.8 |
7.7 |
7.5 |
7.7 |
7.7 |
7.6 |
7.6 |
7.5 |
7.9 |
7.6 |
7.7 |
8.0 |
7.6 |
7.8 |
8.1 |
7.6 |
7.7 |
DO (mg/l) |
|
|
|
11.7 |
|
11.0 |
|
|
|
10.3 |
|
|
8.9 |
|
|
9.0 |
|
|
|
9.5 |
|
|
11.0 |
|
|
|
12.2 |
|
|
|
13.6 |
|
|
14.1 |
|
|
|
14.9 |
|
|
13.4 |
|
BOD (mg/l) |
|
|
|
< 0.5 |
|
0.5 |
|
|
|
0.8 |
|
|
0.7 |
|
|
0.9 |
|
|
|
0.5 |
|
|
0.8 |
|
|
|
0.7 |
|
|
|
0.8 |
|
|
0.8 |
|
|
|
1.0 |
|
|
0.9 |
|
COD (mg/l) |
|
|
|
2.0 |
|
2.5 |
|
|
|
2.6 |
|
|
3.3 |
|
|
3.5 |
|
|
|
2.2 |
|
|
1.6 |
|
|
|
1.7 |
|
|
|
1.9 |
|
|
1.5 |
|
|
|
2.5 |
|
|
2.7 |
|
SS (mg/l) |
39 |
19 |
36 |
17 |
37 |
22 |
14 |
12 |
12 |
14 |
13 |
18 |
20 |
16 |
16 |
20 |
15 |
14 |
10 |
11 |
11 |
9 |
7 |
8 |
11 |
7 |
7 |
9 |
7 |
7 |
9 |
14 |
28 |
10 |
9 |
10 |
10 |
10 |
9 |
14 |
17 |
13 |
大腸菌群数 (MPN/100ml) |
|
|
|
1.3E+03 |
|
7.9E+03 |
|
|
|
4.9E+03 |
|
|
7.9E+03 |
|
|
3.5E+04 |
|
|
|
9.2E+04 |
|
|
7.9E+03 |
|
|
|
1.4E+03 |
|
|
|
3.3E+03 |
|
|
7.9E+03 |
|
|
|
7.9E+03 |
|
|
1.7E+03 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.25 |
|
|
|
|
|
|
1.43 |
|
|
|
|
|
|
1.51 |
|
|
|
|
|
|
1.23 |
|
|
|
|
|
|
1.58 |
|
|
|
|
|
|
2.01 |
|
全燐 (mg/l) |
|
|
|
|
|
0.057 |
|
|
|
|
|
|
0.078 |
|
|
|
|
|
|
0.048 |
|
|
|
|
|
|
0.041 |
|
|
|
|
|
|
0.065 |
|
|
|
|
|
|
0.060 |
|
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 |
|
< 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 |
|
|
|
|
|
|
3 |
|
|
|
|
|
|
4 |
|
透視度 |
22.0 |
> 30.0 |
24.0 |
> 30.0 |
24.0 |
29.0 |
> 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 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
|
|
6 |
|
|
|
|
|
|
10 |
|
|
|
|
|
|
9 |
|
|
|
|
|
|
11 |
|
|
|
|
|
|
10 |
|
|
|
|
|
|
15 |
|
|
カルシウム (mg/l) |
|
|
|
|
12.8 |
|
|
|
|
|
|
22.8 |
|
|
|
|
|
|
24.4 |
|
|
|
|
|
|
23.2 |
|
|
|
|
|
|
23.4 |
|
|
|
|
|
|
25.9 |
|
|
マグネシウム (mg/l) |
|
|
|
|
7.90 |
|
|
|
|
|
|
5.58 |
|
|
|
|
|
|
5.78 |
|
|
|
|
|
|
5.36 |
|
|
|
|
|
|
5.20 |
|
|
|
|
|
|
5.98 |
|
|
硫酸イオン (mg/l) |
|
|
|
|
24 |
|
|
|
|
|
|
41 |
|
|
|
|
|
|
44 |
|
|
|
|
|
|
43 |
|
|
|
|
|
|
44 |
|
|
|
|
|
|
45 |
|
|
酸度 (mg/l) |
4 |
5 |
5 |
|
6 |
|
4 |
5 |
4 |
|
2 |
4 |
|
6 |
4 |
|
4 |
4 |
5 |
|
4 |
3 |
|
3 |
2 |
3 |
|
5 |
2 |
2 |
|
4 |
3 |
|
7 |
3 |
2 |
|
2 |
1 |
|
2 |
アルカリ度 (mg/l) |
20 |
22 |
17 |
|
18 |
|
22 |
24 |
26 |
|
37 |
41 |
|
40 |
39 |
|
43 |
45 |
44 |
|
37 |
39 |
|
42 |
39 |
39 |
|
30 |
37 |
37 |
|
39 |
36 |
|
42 |
44 |
42 |
|
44 |
42 |
|
39 |
アルミニウム (mg/l) |
2.11 |
1.44 |
2.21 |
|
3.00 |
|
1.38 |
1.59 |
1.34 |
|
1.31 |
1.55 |
|
1.79 |
1.38 |
|
1.58 |
1.56 |
1.15 |
|
1.22 |
0.96 |
|
0.99 |
1.11 |
1.12 |
|
0.78 |
1.01 |
1.04 |
|
1.34 |
1.23 |
|
1.43 |
1.08 |
1.34 |
|
1.08 |
1.34 |
|
1.24 |
鉄(2価) (mg/l) |
0.01 |
< 0.01 |
0.03 |
|
0.01 |
|
0.01 |
< 0.01 |
0.02 |
|
< 0.01 |
0.02 |
|
< 0.01 |
< 0.01 |
|
0.04 |
< 0.01 |
0.02 |
|
0.02 |
0.03 |
|
0.05 |
< 0.01 |
0.01 |
|
0.04 |
0.02 |
0.04 |
|
0.02 |
< 0.01 |
|
0.02 |
0.02 |
0.03 |
|
0.02 |
0.02 |
|
0.04 |
鉄(3価) (mg/l) |
0.09 |
0.08 |
0.05 |
|
0.08 |
|
0.02 |
0.03 |
0.06 |
|
0.07 |
0.05 |
|
0.06 |
0.05 |
|
0.04 |
0.06 |
0.06 |
|
0.08 |
0.03 |
|
0.03 |
0.08 |
0.05 |
|
0.04 |
0.03 |
0.02 |
|
0.05 |
0.05 |
|
0.01 |
0.04 |
0.04 |
|
0.05 |
0.08 |
|
0.06 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.08 |
|
|
|
|
|
|
|
|
|
|
|
|
|
0.10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
1.17 |
|
|
|
|
|
|
1.36 |
|
|
|
|
|
|
1.22 |
|
|
|
|
|
|
0.97 |
|
|
|
|
|
|
1.53 |
|
|
|
|
|
|
1.73 |
|