測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01951 |
北上川(4) |
金ヶ崎橋 |
A |
測定結果
採取年月日 |
1999.04.14 |
1999.04.28 |
1999.05.12 |
1999.05.19 |
1999.06.02 |
1999.06.16 |
1999.07.07 |
1999.07.21 |
1999.08.03 |
1999.08.03 |
1999.08.03 |
1999.08.03 |
1999.08.18 |
1999.09.03 |
1999.09.14 |
1999.10.06 |
1999.10.20 |
1999.11.10 |
1999.11.17 |
1999.12.01 |
1999.12.15 |
2000.01.12 |
2000.01.19 |
2000.02.02 |
2000.02.16 |
2000.03.01 |
2000.03.13 |
採取時刻 |
1118 |
1147 |
1350 |
1010 |
1142 |
1030 |
1322 |
1017 |
0134 |
0734 |
1334 |
1934 |
1040 |
1010 |
1203 |
1133 |
1020 |
1315 |
1010 |
1139 |
1015 |
1010 |
1300 |
1255 |
1015 |
1322 |
1018 |
天候 |
曇り |
曇り |
晴れ |
雨 |
曇り |
雨 |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
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 |
雪 |
気温 (℃) |
12.5 |
16.0 |
20.2 |
15.8 |
27.3 |
20.6 |
22.0 |
24.9 |
24.8 |
26.2 |
31.2 |
26.8 |
32.2 |
27.3 |
25.4 |
19.0 |
10.7 |
12.2 |
5.0 |
7.0 |
-2.3 |
1.6 |
5.9 |
6.7 |
-2.4 |
0.8 |
3.1 |
水温 (℃) |
7.5 |
10.9 |
15.0 |
13.3 |
17.0 |
19.6 |
19.0 |
19.3 |
26.5 |
25.0 |
27.0 |
27.5 |
25.9 |
19.7 |
20.8 |
16.0 |
13.0 |
10.0 |
8.5 |
6.6 |
3.0 |
2.3 |
4.7 |
4.9 |
3.4 |
4.0 |
4.8 |
流量 (m3/s) |
556.91 |
491.46 |
256.60 |
188.52 |
221.25 |
165.69 |
162.03 |
238.60 |
112.02 |
115.07 |
91.83 |
109.01 |
73.64 |
367.31 |
151.29 |
144.34 |
118.15 |
115.07 |
115.07 |
395.23 |
208.67 |
265.85 |
151.29 |
100.23 |
115.07 |
89.11 |
89.11 |
採取水深 (m) |
1.1 |
1.1 |
1.1 |
1.0 |
1.0 |
1.0 |
1.0 |
1.1 |
0.9 |
1.0 |
0.9 |
1.0 |
1.1 |
1.1 |
1.0 |
1.0 |
1.0 |
0.9 |
1.1 |
1.0 |
1.0 |
0.9 |
1.0 |
0.9 |
1.0 |
0.9 |
1.0 |
全水深 (m) |
5.5 |
5.5 |
5.3 |
5.2 |
5.2 |
5.1 |
5.0 |
5.5 |
4.7 |
4.8 |
4.7 |
4.9 |
5.4 |
5.5 |
4.8 |
4.9 |
5.0 |
4.8 |
5.5 |
4.9 |
5.0 |
4.6 |
4.8 |
4.7 |
4.8 |
4.7 |
4.8 |
外観 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
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 |
pH |
7.2 |
7.2 |
7.3 |
7.1 |
7.5 |
7.3 |
7.6 |
7.4 |
7.4 |
7.4 |
7.8 |
8.1 |
7.6 |
7.3 |
7.5 |
7.6 |
7.4 |
7.5 |
7.5 |
7.5 |
7.2 |
7.4 |
7.6 |
7.2 |
7.7 |
7.8 |
7.6 |
DO (mg/l) |
11.8 |
10.9 |
10.4 |
10.0 |
10.2 |
8.2 |
9.2 |
8.9 |
7.6 |
8.2 |
9.3 |
8.5 |
8.6 |
8.8 |
8.6 |
10.3 |
10.0 |
11.6 |
11.5 |
12.7 |
12.7 |
13.2 |
13.6 |
14.6 |
13.7 |
14.8 |
13.1 |
BOD (mg/l) |
0.6 |
0.8 |
0.7 |
1.5 |
1.1 |
2.5 |
1.0 |
1.4 |
0.7 |
0.8 |
0.6 |
1.2 |
1.4 |
1.1 |
1.0 |
1.0 |
1.2 |
1.1 |
1.3 |
0.9 |
1.0 |
1.1 |
0.8 |
1.0 |
1.6 |
1.5 |
1.7 |
COD (mg/l) |
|
1.3 |
2.0 |
|
1.5 |
|
2.3 |
|
|
|
2.2 |
|
|
|
2.4 |
2.4 |
|
2.2 |
|
2.3 |
|
|
1.9 |
2.1 |
|
2.9 |
|
SS (mg/l) |
20 |
13 |
10 |
5 |
4 |
8 |
7 |
10 |
4 |
4 |
3 |
4 |
6 |
11 |
8 |
4 |
3 |
3 |
3 |
9 |
7 |
7 |
4 |
3 |
5 |
4 |
6 |
大腸菌群数 (MPN/100ml) |
7.9E+02 |
7.9E+03 |
4.9E+03 |
3.3E+03 |
7.9E+03 |
1.3E+04 |
1.1E+04 |
1.3E+04 |
7.9E+02 |
1.7E+03 |
1.3E+03 |
7.9E+03 |
7.0E+03 |
1.1E+04 |
7.9E+03 |
1.1E+04 |
3.3E+03 |
2.4E+03 |
1.1E+03 |
1.1E+04 |
4.9E+03 |
1.7E+04 |
4.9E+03 |
1.3E+04 |
1.7E+03 |
2.3E+02 |
4.9E+03 |
全窒素 (mg/l) |
|
|
0.97 |
|
|
|
1.00 |
|
|
|
|
|
|
|
1.17 |
|
|
0.99 |
|
|
|
|
1.41 |
|
|
1.28 |
|
全燐 (mg/l) |
|
|
0.066 |
|
|
|
0.066 |
|
|
|
|
|
|
|
0.048 |
|
|
0.065 |
|
|
|
|
0.038 |
|
|
0.064 |
|
カドミウム (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 |
全シアン (mg/l) |
N |
|
|
N |
|
N |
|
N |
|
|
|
|
N |
N |
|
|
N |
|
N |
|
N |
N |
|
|
N |
|
N |
鉛 (mg/l) |
< 0.005 |
|
|
0.009 |
|
< 0.005 |
|
< 0.005 |
|
|
|
|
< 0.005 |
< 0.001 |
|
|
< 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 |
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
< 0.02 |
|
|
< 0.02 |
|
< 0.02 |
砒素 (mg/l) |
0.002 |
|
|
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 |
|
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
< 0.0005 |
|
|
0.0005 |
|
< 0.0005 |
アルキル水銀 (mg/l) |
N |
|
|
N |
|
N |
|
N |
|
|
|
|
N |
N |
|
|
N |
|
N |
|
N |
N |
|
|
N |
|
N |
PCB (mg/l) |
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
< 0.002 |
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
< 0.002 |
E |
|
|
|
< 0.002 |
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
< 0.0005 |
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
< 0.0005 |
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
0.2 |
|
|
|
0.1 |
|
|
|
|
|
|
|
0.1 |
|
|
0.1 |
|
|
|
|
< 0.1 |
|
|
< 0.1 |
|
ふっ素 (mg/l) |
|
|
< 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 |
|
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 |
塩化物イオン (mg/l) |
|
|
7 |
|
|
|
9 |
|
|
|
|
|
|
|
8 |
|
|
8 |
|
|
|
|
8 |
|
|
11 |
|
硫酸イオン (mg/l) |
|
|
12 |
|
|
|
16 |
|
|
|
|
|
|
|
18 |
|
|
16 |
|
|
|
|
13 |
|
|
18 |
|
酸度 (mg/l) |
|
|
5 |
|
|
|
3 |
|
|
|
|
|
|
|
3 |
|
|
2 |
|
|
|
|
3 |
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
18 |
|
|
|
29 |
|
|
|
|
|
|
|
29 |
|
|
28 |
|
|
|
|
27 |
|
|
29 |
|
ほう素 (mg/l) |
|
|
< 0.02 |
|
|
|
|
0.03 |
|
|
|
|
|
0.03 |
|
|
|
|
0.03 |
|
|
|
0.03 |
|
|
0.06 |
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
0.68 |
|
|
|
0.86 |
|
|
|
|
|
|
|
0.79 |
|
|
0.81 |
|
|
|
|
1.39 |
|
|
0.87 |
|