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 |
2000.04.17 |
2000.04.26 |
2000.05.08 |
2000.05.24 |
2000.06.07 |
2000.06.19 |
2000.07.12 |
2000.07.24 |
2000.08.01 |
2000.08.01 |
2000.08.01 |
2000.08.01 |
2000.08.23 |
2000.09.05 |
2000.09.20 |
2000.10.04 |
2000.10.17 |
2000.11.08 |
2000.11.28 |
2000.12.06 |
2000.12.13 |
2001.01.10 |
2001.01.24 |
2001.02.07 |
2001.02.21 |
2001.03.01 |
2001.03.14 |
採取時刻 |
1135 |
1025 |
1438 |
1010 |
1303 |
1015 |
1005 |
1320 |
0130 |
0730 |
1330 |
1930 |
1040 |
1300 |
1012 |
1408 |
0955 |
1245 |
1005 |
1350 |
1015 |
1400 |
1015 |
1400 |
1020 |
1320 |
1020 |
天候 |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
雪 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
気温 (℃) |
8.5 |
18.9 |
18.5 |
17.5 |
26.4 |
26.6 |
24.3 |
35.5 |
23.1 |
25.7 |
34.6 |
27.7 |
29.1 |
23.4 |
23.3 |
21.5 |
13.7 |
10.4 |
6.0 |
-0.8 |
0.8 |
4.2 |
0.0 |
0.9 |
-3.2 |
4.9 |
3.0 |
水温 (℃) |
7.4 |
8.7 |
12.3 |
15.0 |
17.6 |
21.2 |
20.8 |
26.0 |
24.0 |
24.0 |
27.0 |
27.0 |
25.3 |
22.6 |
21.4 |
18.3 |
14.6 |
10.8 |
7.2 |
3.9 |
1.8 |
5.0 |
1.2 |
2.0 |
1.8 |
4.2 |
3.7 |
流量 (m3/s) |
543.57 |
803.81 |
584.58 |
303.24 |
228.35 |
156.77 |
183.01 |
135.89 |
171.52 |
146.14 |
129.26 |
142.68 |
95.77 |
101.49 |
149.64 |
122.80 |
77.07 |
67.29 |
139.27 |
146.14 |
153.19 |
104.41 |
116.51 |
98.61 |
101.49 |
87.51 |
186.93 |
採取水深 (m) |
1.1 |
1.2 |
1.0 |
1.1 |
1.0 |
1.1 |
1.1 |
1.2 |
1.0 |
1.0 |
1.0 |
1.0 |
0.9 |
0.8 |
1.1 |
0.9 |
1.0 |
0.9 |
1.0 |
1.0 |
1.0 |
0.9 |
1.0 |
0.9 |
1.0 |
0.9 |
0.9 |
全水深 (m) |
5.5 |
6.6 |
5.2 |
5.5 |
5.2 |
5.3 |
5.3 |
6.1 |
5.0 |
5.0 |
5.0 |
5.0 |
4.5 |
4.0 |
5.3 |
4.8 |
5.0 |
4.6 |
5.0 |
5.0 |
4.8 |
4.3 |
5.0 |
4.5 |
5.0 |
4.5 |
4.5 |
外観 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
7.1 |
6.9 |
7.0 |
7.1 |
7.8 |
7.4 |
7.5 |
7.6 |
7.4 |
7.4 |
7.3 |
7.5 |
7.4 |
7.6 |
7.4 |
7.7 |
7.8 |
7.5 |
7.4 |
7.5 |
7.5 |
7.4 |
7.3 |
7.6 |
7.6 |
7.5 |
7.5 |
DO (mg/l) |
11.8 |
11.9 |
10.7 |
9.9 |
11.6 |
9.4 |
8.5 |
8.4 |
7.9 |
8.0 |
8.5 |
8.0 |
8.2 |
9.0 |
8.7 |
10.1 |
11.0 |
11.2 |
11.5 |
13.6 |
13.7 |
14.4 |
14.3 |
15.5 |
14.0 |
14.5 |
13.0 |
BOD (mg/l) |
0.5 |
< 0.5 |
0.6 |
1.1 |
1.7 |
1.6 |
1.3 |
1.2 |
0.6 |
0.7 |
0.8 |
0.6 |
1.4 |
1.6 |
0.7 |
0.8 |
0.7 |
1.0 |
1.1 |
1.0 |
0.9 |
1.4 |
1.3 |
1.2 |
1.6 |
1.7 |
1.7 |
COD (mg/l) |
2.0 |
|
2.8 |
|
2.3 |
|
|
2.5 |
|
|
2.6 |
|
|
2.4 |
|
2.6 |
|
3.1 |
|
1.9 |
|
2.9 |
|
3.3 |
|
3.1 |
|
SS (mg/l) |
13 |
22 |
15 |
6 |
5 |
9 |
15 |
8 |
6 |
5 |
5 |
5 |
7 |
7 |
6 |
3 |
1 |
3 |
7 |
3 |
4 |
6 |
4 |
4 |
6 |
6 |
8 |
大腸菌群数 (MPN/100ml) |
1.3E+04 |
3.3E+03 |
1.7E+04 |
1.7E+04 |
1.7E+04 |
1.1E+03 |
3.3E+04 |
1.1E+04 |
7.9E+03 |
2.4E+03 |
4.9E+03 |
4.9E+03 |
2.4E+04 |
7.9E+03 |
3.3E+04 |
1.7E+04 |
3.3E+03 |
1.7E+03 |
1.1E+04 |
4.9E+03 |
1.7E+04 |
4.9E+03 |
1.1E+04 |
1.7E+03 |
1.7E+04 |
2.4E+04 |
7.9E+04 |
全窒素 (mg/l) |
|
|
0.98 |
|
|
|
|
1.19 |
|
|
|
|
|
1.07 |
|
|
|
1.29 |
|
|
|
1.80 |
|
|
|
1.78 |
|
全燐 (mg/l) |
|
|
0.068 |
|
|
|
|
0.054 |
|
|
|
|
|
0.053 |
|
|
|
0.070 |
|
|
|
0.058 |
|
|
|
0.058 |
|
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 |
|
< 0.005 |
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
|
< 0.005 |
|
< 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) |
< 0.001 |
|
< 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 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
PCB (mg/l) |
|
|
N |
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
< 0.002 |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
< 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) |
|
|
0.3 |
|
|
|
|
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 |
|
|
|
0.2 |
|
|
|
0.2 |
|
透視度 |
> 30.0 |
20.0 |
> 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) |
|
|
5 |
|
|
|
|
9 |
|
|
|
|
|
8 |
|
|
|
13 |
|
|
|
15 |
|
|
|
15 |
|
硫酸イオン (mg/l) |
|
|
9 |
|
|
|
|
16 |
|
|
|
|
|
17 |
|
|
|
19 |
|
|
|
20 |
|
|
|
20 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
3 |
|
|
|
|
|
3 |
|
|
|
3 |
|
|
|
3 |
|
|
|
4 |
|
アルカリ度 (mg/l) |
|
|
15 |
|
|
|
|
27 |
|
|
|
|
|
30 |
|
|
|
32 |
|
|
|
30 |
|
|
|
32 |
|
ほう素 (mg/l) |
|
|
< 0.02 |
|
|
|
|
|
|
|
0.04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
0.64 |
|
|
|
|
|
|
|
1.08 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|