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 |
1997.04.11 |
1997.04.16 |
1997.04.22 |
1997.04.30 |
1997.05.06 |
1997.05.21 |
1997.05.28 |
1997.06.04 |
1997.06.10 |
1997.06.11 |
1997.06.17 |
1997.07.02 |
1997.07.15 |
1997.07.22 |
1997.08.06 |
1997.08.11 |
1997.08.19 |
1997.08.26 |
1997.09.08 |
1997.09.10 |
1997.09.29 |
1997.10.01 |
1997.10.09 |
1997.10.15 |
1997.10.21 |
1997.11.05 |
1997.11.12 |
1997.11.25 |
1997.12.03 |
1997.12.10 |
1997.12.10 |
1997.12.16 |
1998.01.07 |
1998.01.13 |
1998.01.21 |
1998.02.04 |
1998.02.17 |
1998.02.18 |
1998.02.25 |
1998.03.04 |
1998.03.11 |
1998.03.17 |
採取時刻 |
1020 |
1020 |
1020 |
1150 |
1040 |
1045 |
1320 |
1030 |
1035 |
1150 |
1027 |
1045 |
1200 |
1030 |
1120 |
1130 |
1015 |
1045 |
1030 |
1220 |
1055 |
1103 |
1025 |
1140 |
1010 |
1025 |
1330 |
1015 |
1050 |
1020 |
1150 |
1040 |
1230 |
1040 |
1100 |
1025 |
1030 |
1150 |
1025 |
1025 |
1130 |
1034 |
天候 |
曇り |
曇り |
雨 |
曇り |
曇り |
雨 |
晴れ |
雨 |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
雪 |
曇り |
雨 |
曇り |
雪 |
晴れ |
雪 |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
12.4 |
10.5 |
11.0 |
16.0 |
18.8 |
11.9 |
22.2 |
17.4 |
16.4 |
24.2 |
18.8 |
22.8 |
25.1 |
29.1 |
29.0 |
21.7 |
23.6 |
21.9 |
24.0 |
27.5 |
18.3 |
20.2 |
12.3 |
15.7 |
19.7 |
8.1 |
14.5 |
6.7 |
-2.3 |
6.1 |
7.0 |
5.0 |
-4.8 |
-0.4 |
-2.8 |
-3.3 |
0.7 |
-0.1 |
1.3 |
7.3 |
5.8 |
0.2 |
水温 (℃) |
7.2 |
7.0 |
10.0 |
10.0 |
9.0 |
10.0 |
14.9 |
13.0 |
13.2 |
16.0 |
15.8 |
17.1 |
20.5 |
21.0 |
20.0 |
19.4 |
19.2 |
18.8 |
16.8 |
19.0 |
13.3 |
12.2 |
10.5 |
10.9 |
12.0 |
7.1 |
8.9 |
5.3 |
4.2 |
6.2 |
7.0 |
5.0 |
1.5 |
2.0 |
2.0 |
2.5 |
7.2 |
3.0 |
4.6 |
5.7 |
4.0 |
2.3 |
流量 (m3/s) |
56.35 |
32.27 |
32.27 |
64.41 |
28.91 |
64.23 |
50.57 |
50.43 |
77.89 |
39.67 |
24.71 |
37.05 |
23.78 |
16.47 |
30.09 |
31.13 |
17.30 |
25.73 |
34.62 |
25.80 |
33.44 |
27.83 |
26.77 |
39.67 |
25.73 |
22.73 |
19.08 |
48.99 |
67.52 |
65.86 |
62.79 |
37.05 |
19.08 |
20.84 |
24.71 |
20.84 |
18.15 |
19.08 |
20.84 |
33.44 |
24.78 |
32.27 |
全水深 (m) |
1.8 |
1.3 |
1.8 |
1.1 |
1.8 |
1.6 |
1.2 |
1.6 |
2.2 |
1.0 |
1.8 |
1.3 |
0.9 |
1.0 |
1.0 |
1.3 |
1.1 |
1.6 |
1.8 |
0.9 |
1.3 |
1.8 |
1.8 |
1.0 |
1.8 |
1.3 |
0.7 |
1.9 |
1.6 |
1.6 |
1.2 |
1.8 |
0.9 |
1.7 |
1.7 |
1.2 |
1.6 |
0.9 |
2.2 |
1.3 |
1.1 |
1.3 |
外観 |
微白濁 |
微白濁 |
微白濁 |
茶濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
茶色 |
茶色 |
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 |
茶色 |
無色澄明 |
無色澄明 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
微白濁 |
微白濁 |
茶色 |
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 |
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 |
7.4 |
7.5 |
7.5 |
6.9 |
6.9 |
7.3 |
7.5 |
7.4 |
7.4 |
7.7 |
7.7 |
7.6 |
7.8 |
7.8 |
7.7 |
7.6 |
7.7 |
7.8 |
7.7 |
7.7 |
7.7 |
7.8 |
7.7 |
7.6 |
7.7 |
7.6 |
7.8 |
7.4 |
7.5 |
7.5 |
7.4 |
7.5 |
7.5 |
7.6 |
7.5 |
7.8 |
7.7 |
7.9 |
7.9 |
7.7 |
7.8 |
7.6 |
DO (mg/l) |
|
|
|
9.8 |
|
|
10.2 |
|
|
10.1 |
|
|
9.3 |
|
7.6 |
|
|
|
|
8.8 |
|
|
|
10.8 |
|
|
12.8 |
|
|
|
11.9 |
|
13.7 |
|
|
|
|
14.9 |
|
|
13.7 |
|
BOD (mg/l) |
|
|
|
2.7 |
|
|
0.7 |
|
|
0.9 |
|
|
0.6 |
|
0.5 |
|
|
|
|
0.7 |
|
|
|
1.5 |
|
|
0.5 |
|
|
|
0.6 |
|
2.0 |
|
|
|
|
1.4 |
|
|
1.3 |
|
COD (mg/l) |
|
|
|
11.5 |
|
|
2.7 |
|
|
2.1 |
|
|
2.4 |
|
3.9 |
|
|
|
|
2.3 |
|
|
|
6.3 |
|
|
1.8 |
|
|
|
2.1 |
|
2.1 |
|
|
|
|
2.1 |
|
|
1.7 |
|
SS (mg/l) |
19 |
12 |
17 |
211 |
20 |
19 |
15 |
16 |
29 |
13 |
11 |
13 |
16 |
12 |
15 |
14 |
13 |
12 |
10 |
10 |
8 |
8 |
14 |
48 |
11 |
9 |
9 |
10 |
11 |
10 |
12 |
10 |
16 |
13 |
12 |
11 |
13 |
12 |
11 |
12 |
12 |
10 |
大腸菌群数 (MPN/100ml) |
|
|
|
1.1E+03 |
|
|
3.3E+02 |
|
|
7.9E+02 |
|
|
4.9E+03 |
|
1.7E+03 |
|
|
|
|
3.3E+03 |
|
|
|
3.3E+03 |
|
|
4.9E+02 |
|
|
|
3.3E+02 |
|
7.9E+02 |
|
|
|
|
4.9E+01 |
|
|
1.3E+03 |
|
全窒素 (mg/l) |
|
|
|
|
|
|
1.38 |
|
|
|
|
|
1.21 |
|
|
|
|
|
|
1.27 |
|
|
|
|
|
|
0.94 |
|
|
|
|
|
1.43 |
|
|
|
|
|
|
|
2.08 |
|
全燐 (mg/l) |
|
|
|
|
|
|
0.052 |
|
|
|
|
|
0.056 |
|
|
|
|
|
|
0.050 |
|
|
|
|
|
|
0.062 |
|
|
|
|
|
0.078 |
|
|
|
|
|
|
|
0.064 |
|
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) |
|
|
|
|
|
|
< 0.04 |
|
|
|
|
|
< 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 |
< 0.1 |
< 0.1 |
|
0.1 |
0.1 |
|
< 0.1 |
0.1 |
|
< 0.1 |
< 0.1 |
|
0.3 |
|
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 |
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) |
|
|
|
|
|
|
3.0E+00 |
|
|
|
|
|
3.0E+00 |
|
|
|
|
|
|
< 1.0E+00 |
|
|
|
|
|
|
4.0E+00 |
|
|
|
|
|
4.0E+00 |
|
|
|
|
|
|
|
7.0E+00 |
|
透視度 |
> 30.0 |
> 30.0 |
> 30.0 |
8.0 |
> 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 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
> 30.0 |
18.0 |
> 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 |
29.0 |
> 30.0 |
> 30.0 |
塩化物イオン (mg/l) |
|
|
|
|
|
9 |
|
|
|
|
|
10 |
|
|
|
|
|
|
|
|
9 |
|
|
|
|
11 |
|
|
|
|
|
|
|
|
11 |
|
|
|
|
12 |
|
|
カルシウム (mg/l) |
|
|
|
|
|
16.6 |
|
|
|
|
|
22.5 |
|
|
|
|
|
|
|
|
22.0 |
|
|
|
|
26.0 |
|
|
|
|
|
|
|
|
25.2 |
|
|
|
|
24.8 |
|
|
マグネシウム (mg/l) |
|
|
|
|
|
4.10 |
|
|
|
|
|
5.50 |
|
|
|
|
|
|
|
|
5.30 |
|
|
|
|
5.70 |
|
|
|
|
|
|
|
|
5.90 |
|
|
|
|
6.14 |
|
|
硫酸イオン (mg/l) |
|
|
|
|
|
31 |
|
|
|
|
|
38 |
|
|
|
|
|
|
|
|
42 |
|
|
|
|
51 |
|
|
|
|
|
|
|
|
44 |
|
|
|
|
39 |
|
|
アルミニウム (mg/l) |
1.48 |
1.34 |
1.76 |
|
1.96 |
1.66 |
|
1.33 |
2.40 |
|
1.55 |
1.25 |
|
1.75 |
|
1.11 |
1.54 |
1.11 |
1.14 |
|
1.35 |
1.24 |
1.63 |
|
1.27 |
1.36 |
|
1.68 |
1.05 |
0.97 |
|
1.22 |
|
1.79 |
1.75 |
1.59 |
1.57 |
|
1.43 |
|
|
1.08 |
鉄(2価) (mg/l) |
0.05 |
0.02 |
0.02 |
|
0.12 |
0.06 |
|
0.02 |
0.03 |
|
0.02 |
0.03 |
|
0.02 |
|
0.04 |
0.02 |
0.03 |
0.01 |
|
0.02 |
0.02 |
0.02 |
|
0.02 |
0.03 |
|
0.03 |
0.09 |
0.06 |
|
0.04 |
|
0.03 |
0.04 |
0.04 |
0.03 |
|
0.04 |
0.05 |
|
0.03 |
鉄(3価) (mg/l) |
0.03 |
0.02 |
0.05 |
|
< 0.01 |
0.04 |
|
0.03 |
0.08 |
|
0.02 |
0.02 |
|
0.25 |
|
0.06 |
0.03 |
0.04 |
0.06 |
|
0.04 |
0.02 |
0.01 |
|
0.04 |
0.01 |
|
0.02 |
< 0.01 |
0.30 |
|
< 0.01 |
|
0.07 |
0.02 |
< 0.01 |
0.02 |
|
0.02 |
< 0.01 |
|
0.02 |
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
|
|
1.17 |
|
|
|
|
|
0.94 |
|
|
|
|
|
|
1.14 |
|
|
|
|
|
|
0.79 |
|
|
|
|
|
1.09 |
|
|
|
|
|
|
|
1.89 |
|