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 |
1996.04.10 |
1996.04.16 |
1996.04.22 |
1996.04.23 |
1996.05.09 |
1996.05.15 |
1996.05.22 |
1996.06.05 |
1996.06.11 |
1996.06.20 |
1996.06.24 |
1996.07.03 |
1996.07.10 |
1996.07.22 |
1996.08.06 |
1996.08.20 |
1996.08.21 |
1996.08.27 |
1996.09.04 |
1996.09.11 |
1996.09.17 |
1996.10.02 |
1996.10.14 |
1996.10.16 |
1996.10.22 |
1996.11.06 |
1996.11.12 |
1996.11.19 |
1996.12.04 |
1996.12.10 |
1996.12.11 |
1996.12.17 |
1997.01.08 |
1997.01.21 |
1997.01.22 |
1997.02.05 |
1997.02.10 |
1997.02.12 |
1997.02.18 |
1997.03.05 |
1997.03.12 |
1997.03.18 |
採取時刻 |
1010 |
1020 |
1200 |
1040 |
1055 |
1210 |
1015 |
1020 |
1025 |
1020 |
1340 |
1020 |
1410 |
1035 |
1040 |
1020 |
1240 |
1025 |
1020 |
1200 |
1020 |
1030 |
1025 |
1130 |
1025 |
1030 |
1200 |
1010 |
1030 |
1020 |
1230 |
1020 |
1045 |
1050 |
1210 |
1030 |
1025 |
1150 |
1025 |
1050 |
1150 |
1040 |
天候 |
晴れ |
曇り |
晴れ |
晴れ |
雨 |
曇り |
曇り |
晴れ |
雨 |
晴れ |
曇り |
曇り |
曇り |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
晴れ |
晴れ |
気温 (℃) |
5.5 |
10.2 |
11.8 |
13.2 |
10.1 |
14.0 |
14.9 |
20.3 |
15.7 |
20.4 |
18.1 |
26.1 |
24.5 |
18.6 |
24.5 |
27.5 |
27.0 |
21.0 |
24.7 |
22.0 |
21.3 |
23.1 |
15.7 |
13.5 |
15.4 |
14.0 |
13.0 |
6.0 |
1.4 |
2.4 |
6.9 |
4.3 |
1.0 |
-1.7 |
0.5 |
3.0 |
3.6 |
3.4 |
2.2 |
1.1 |
4.2 |
10.2 |
水温 (℃) |
6.0 |
6.2 |
8.7 |
7.8 |
9.8 |
9.5 |
11.0 |
12.4 |
14.0 |
13.8 |
16.0 |
17.0 |
17.5 |
18.7 |
19.9 |
21.2 |
22.0 |
17.5 |
18.5 |
18.5 |
17.0 |
15.7 |
12.3 |
12.5 |
10.0 |
10.8 |
9.0 |
7.0 |
3.3 |
4.5 |
6.4 |
4.7 |
4.0 |
2.5 |
1.5 |
3.2 |
2.5 |
3.7 |
2.5 |
0.5 |
4.5 |
4.5 |
流量 (m3/s) |
38.14 |
36.84 |
45.00 |
43.58 |
35.56 |
47.90 |
52.43 |
43.58 |
38.14 |
63.77 |
53.98 |
47.90 |
45.00 |
23.99 |
19.06 |
14.69 |
15.52 |
15.52 |
22.95 |
20.00 |
20.00 |
13.89 |
13.89 |
13.89 |
13.11 |
45.00 |
17.25 |
18.14 |
15.52 |
18.14 |
19.06 |
15.52 |
18.14 |
13.11 |
12.35 |
12.35 |
12.35 |
13.11 |
10.20 |
16.37 |
21.95 |
20.00 |
外観 |
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 |
微茶濁 |
微白濁 |
茶色 |
茶色 |
茶色 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微茶濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.6 |
7.6 |
7.6 |
7.6 |
7.0 |
7.3 |
7.1 |
7.4 |
7.4 |
7.4 |
7.6 |
7.4 |
7.7 |
7.6 |
7.8 |
7.8 |
7.8 |
7.7 |
7.7 |
7.9 |
8.0 |
8.0 |
7.8 |
8.1 |
8.0 |
7.3 |
7.8 |
7.7 |
7.7 |
7.6 |
7.5 |
7.6 |
7.7 |
7.7 |
7.6 |
7.8 |
7.8 |
7.8 |
7.8 |
7.6 |
7.7 |
7.8 |
DO (mg/l) |
|
|
11.0 |
|
|
10.0 |
|
|
|
|
9.1 |
|
8.9 |
|
|
|
9.1 |
|
|
10.0 |
|
|
|
12.0 |
|
|
11.0 |
|
|
|
11.0 |
|
|
|
13.0 |
|
|
13.0 |
|
|
12.0 |
|
BOD (mg/l) |
|
|
0.6 |
|
|
0.5 |
|
|
|
|
0.5 |
|
< 0.5 |
|
|
|
0.7 |
|
|
0.7 |
|
|
|
0.9 |
|
|
0.8 |
|
|
|
1.0 |
|
|
|
1.4 |
|
|
1.6 |
|
|
0.5 |
|
COD (mg/l) |
|
|
2.4 |
|
|
2.0 |
|
|
|
|
2.9 |
|
1.9 |
|
|
|
2.3 |
|
|
2.0 |
|
|
|
1.9 |
|
|
1.5 |
|
|
|
1.7 |
|
|
|
2.6 |
|
|
2.3 |
|
|
2.1 |
|
SS (mg/l) |
15 |
22 |
13 |
13 |
24 |
22 |
21 |
18 |
18 |
25 |
18 |
28 |
14 |
15 |
14 |
14 |
19 |
12 |
17 |
10 |
12 |
12 |
11 |
11 |
10 |
38 |
10 |
10 |
10 |
9 |
10 |
9 |
10 |
11 |
16 |
12 |
12 |
12 |
13 |
13 |
11 |
9 |
大腸菌群数 (MPN/100ml) |
|
|
1.3E+03 |
|
|
4.9E+02 |
|
|
|
|
3.3E+03 |
|
4.9E+03 |
|
|
|
1.1E+04 |
|
|
1.7E+03 |
|
|
|
3.3E+02 |
|
|
3.3E+03 |
|
|
|
3.3E+03 |
|
|
|
3.3E+03 |
|
|
4.9E+02 |
|
|
2.4E+03 |
|
全窒素 (mg/l) |
|
|
|
|
|
1.60 |
|
|
|
|
|
|
1.20 |
|
|
|
|
|
|
1.10 |
|
|
|
|
|
|
1.10 |
|
|
|
|
|
|
|
1.30 |
|
|
|
|
|
2.20 |
|
全燐 (mg/l) |
|
|
|
|
|
0.073 |
|
|
|
|
|
|
0.051 |
|
|
|
|
|
|
0.060 |
|
|
|
|
|
|
0.060 |
|
|
|
|
|
|
|
0.089 |
|
|
|
|
|
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) |
|
|
|
|
|
< 0.04 |
|
|
|
|
|
|
< 0.04 |
|
|
|
|
|
|
< 0.04 |
|
|
|
|
|
|
< 0.04 |
|
|
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 0.04 |
|
砒素 (mg/l) |
< 0.005 |
|
|
|
|
< 0.005 |
< 0.005 |
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
|
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
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 |
0.06 |
|
0.05 |
0.12 |
|
< 0.1 |
< 0.1 |
0.05 |
0.06 |
|
0.05 |
|
< 0.1 |
< 0.1 |
< 0.1 |
|
< 0.1 |
0.06 |
|
0.07 |
0.05 |
0.05 |
|
0.06 |
0.14 |
|
< 0.1 |
< 0.1 |
< 0.1 |
|
< 0.1 |
0.05 |
< 0.1 |
|
< 0.1 |
< 0.1 |
|
0.05 |
< 0.1 |
|
0.06 |
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) |
|
|
|
|
|
2.9 |
|
|
|
|
|
|
3.5 |
|
|
|
|
|
|
2.6 |
|
|
|
|
|
|
3.3 |
|
|
|
|
|
|
|
6.9 |
|
|
|
|
|
4.6 |
|
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 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
|
|
|
|
7 |
|
|
|
|
10 |
|
|
|
|
|
|
11 |
|
|
|
|
|
|
9 |
|
|
|
|
|
|
13 |
|
|
|
|
|
|
16 |
|
|
カルシウム (mg/l) |
|
|
|
|
|
|
16.0 |
|
|
|
|
19.0 |
|
|
|
|
|
|
27.0 |
|
|
|
|
|
|
18.0 |
|
|
|
|
|
|
28.0 |
|
|
|
|
|
|
29.0 |
|
|
マグネシウム (mg/l) |
|
|
|
|
|
|
3.90 |
|
|
|
|
4.20 |
|
|
|
|
|
|
6.50 |
|
|
|
|
|
|
4.30 |
|
|
|
|
|
|
6.70 |
|
|
|
|
|
|
7.10 |
|
|
硫酸イオン (mg/l) |
|
|
|
|
|
|
35 |
|
|
|
|
40 |
|
|
|
|
|
|
48 |
|
|
|
|
|
|
40 |
|
|
|
|
|
|
47 |
|
|
|
|
|
|
53 |
|
|
酸度 (mg/l) |
3 |
3 |
|
2 |
8 |
|
7 |
2 |
2 |
3 |
|
3 |
|
2 |
2 |
3 |
|
2 |
2 |
|
1 |
1 |
2 |
|
< 1 |
4 |
2 |
3 |
3 |
4 |
|
4 |
5 |
2 |
|
2 |
2 |
|
2 |
3 |
|
2 |
アルカリ度 (mg/l) |
30 |
28 |
|
27 |
17 |
|
18 |
22 |
28 |
23 |
|
27 |
|
42 |
47 |
50 |
|
51 |
48 |
|
49 |
40 |
47 |
|
47 |
29 |
42 |
43 |
45 |
41 |
|
44 |
43 |
44 |
|
45 |
47 |
|
48 |
46 |
|
42 |
アルミニウム (mg/l) |
1.40 |
1.80 |
|
1.40 |
1.90 |
|
1.70 |
1.50 |
1.60 |
1.50 |
|
2.40 |
|
1.90 |
1.90 |
1.90 |
|
1.70 |
1.60 |
|
1.30 |
1.50 |
1.40 |
|
1.50 |
2.60 |
1.20 |
1.30 |
1.50 |
1.40 |
|
1.30 |
1.50 |
1.70 |
|
1.70 |
1.70 |
|
1.50 |
1.30 |
|
1.20 |
鉄(2価) (mg/l) |
< 0.01 |
< 0.01 |
|
< 0.01 |
0.07 |
|
0.10 |
< 0.01 |
< 0.01 |
< 0.01 |
|
< 0.01 |
|
0.02 |
0.01 |
0.02 |
|
0.02 |
0.03 |
|
0.01 |
0.04 |
0.01 |
|
< 0.01 |
0.04 |
0.04 |
0.04 |
0.02 |
0.02 |
|
0.02 |
0.02 |
0.03 |
|
0.02 |
0.02 |
|
0.05 |
0.04 |
|
0.04 |
鉄(3価) (mg/l) |
0.04 |
0.06 |
|
0.05 |
0.05 |
|
0.02 |
0.03 |
0.05 |
0.06 |
|
0.05 |
|
< 0.01 |
0.01 |
0.02 |
|
0.01 |
0.06 |
|
0.06 |
0.01 |
0.04 |
|
0.06 |
0.10 |
0.02 |
< 0.01 |
< 0.01 |
0.02 |
|
0.02 |
0.03 |
0.01 |
|
0.01 |
0.01 |
|
< 0.01 |
< 0.01 |
|
0.02 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
1.10 |
|
|
|
|
|
|
1.00 |
|
|
|
|
|
|
0.96 |
|
|
|
|
|
|
0.97 |
|
|
|
|
|
|
|
1.00 |
|
|
|
|
|
1.80 |
|