測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01851 |
北上川(3) |
紫波橋 |
A |
測定結果
採取年月日 |
1997.04.16 |
1997.04.23 |
1997.05.07 |
1997.05.21 |
1997.06.04 |
1997.06.18 |
1997.07.02 |
1997.07.23 |
1997.08.06 |
1997.08.19 |
1997.08.19 |
1997.08.19 |
1997.08.19 |
1997.09.24 |
1997.09.29 |
1997.10.01 |
1997.10.22 |
1997.11.05 |
1997.11.26 |
1997.12.10 |
1997.12.17 |
1998.01.07 |
1998.01.21 |
1998.02.04 |
1998.02.18 |
1998.03.04 |
1998.03.18 |
採取時刻 |
1035 |
0935 |
0950 |
1335 |
1125 |
0925 |
1325 |
0925 |
0950 |
0200 |
0800 |
1400 |
2000 |
0920 |
1045 |
1015 |
0920 |
1150 |
0935 |
1040 |
0935 |
0930 |
1200 |
1050 |
0920 |
1127 |
0935 |
天候 |
曇り |
曇り |
曇り |
曇り |
雨 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
曇り |
曇り |
晴れ |
雪 |
曇り |
晴れ |
曇り |
曇り |
気温 (℃) |
9.5 |
12.1 |
17.2 |
12.8 |
18.0 |
21.6 |
24.8 |
26.9 |
28.2 |
21.0 |
22.5 |
27.0 |
23.0 |
14.3 |
19.5 |
15.5 |
13.8 |
13.5 |
9.4 |
8.5 |
1.2 |
-3.2 |
-1.0 |
-0.5 |
-0.8 |
12.0 |
3.8 |
水温 (℃) |
8.0 |
8.6 |
11.3 |
20.1 |
15.0 |
17.7 |
19.0 |
22.6 |
22.5 |
20.5 |
20.5 |
23.0 |
22.5 |
15.9 |
15.0 |
14.8 |
11.8 |
9.0 |
8.5 |
6.0 |
4.3 |
1.0 |
1.5 |
1.3 |
1.5 |
5.5 |
4.5 |
流量 (m3/s) |
108.04 |
84.67 |
77.01 |
156.86 |
156.86 |
56.21 |
152.62 |
37.63 |
40.83 |
57.50 |
47.63 |
47.63 |
61.44 |
102.79 |
80.03 |
273.20 |
43.04 |
45.30 |
111.61 |
222.31 |
108.04 |
45.30 |
54.94 |
43.04 |
43.04 |
68.30 |
62.78 |
全水深 (m) |
2.4 |
2.5 |
2.4 |
2.8 |
2.8 |
2.3 |
2.8 |
2.2 |
2.2 |
2.3 |
1.8 |
1.7 |
1.8 |
2.7 |
2.1 |
2.0 |
2.1 |
2.1 |
2.4 |
3.1 |
2.5 |
2.0 |
1.8 |
1.8 |
2.2 |
1.9 |
2.3 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
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 |
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 |
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 |
7.3 |
7.5 |
7.5 |
7.2 |
7.3 |
7.6 |
7.6 |
7.4 |
7.4 |
7.3 |
7.3 |
7.6 |
7.5 |
7.5 |
7.7 |
7.6 |
7.5 |
7.5 |
7.4 |
7.3 |
7.4 |
7.4 |
7.5 |
7.5 |
7.5 |
7.5 |
7.4 |
DO (mg/l) |
12.4 |
11.7 |
11.0 |
10.1 |
10.1 |
10.0 |
9.0 |
8.1 |
8.0 |
8.3 |
6.8 |
8.6 |
7.8 |
9.3 |
10.7 |
10.6 |
10.3 |
12.1 |
11.2 |
11.8 |
12.3 |
13.6 |
13.1 |
13.6 |
13.8 |
13.1 |
12.9 |
BOD (mg/l) |
1.2 |
0.8 |
0.9 |
1.0 |
1.2 |
1.3 |
1.2 |
1.0 |
1.4 |
1.6 |
1.5 |
0.9 |
1.2 |
< 0.5 |
0.7 |
1.0 |
1.7 |
0.9 |
0.6 |
0.8 |
< 0.5 |
1.0 |
1.0 |
1.4 |
1.7 |
1.0 |
1.1 |
COD (mg/l) |
2.0 |
|
|
2.9 |
2.1 |
|
2.9 |
|
|
|
|
1.8 |
|
|
1.7 |
1.9 |
|
1.6 |
|
1.8 |
|
|
1.5 |
2.0 |
|
1.6 |
|
SS (mg/l) |
6 |
5 |
9 |
14 |
4 |
3 |
9 |
4 |
5 |
5 |
3 |
3 |
4 |
4 |
3 |
2 |
2 |
1 |
4 |
8 |
3 |
2 |
2 |
3 |
2 |
4 |
3 |
大腸菌群数 (MPN/100ml) |
3.3E+02 |
7.9E+02 |
7.9E+02 |
7.9E+02 |
7.9E+02 |
1.3E+03 |
4.9E+03 |
7.9E+02 |
7.9E+02 |
3.3E+02 |
4.9E+03 |
4.9E+03 |
7.9E+03 |
1.1E+03 |
3.3E+02 |
4.9E+02 |
2.8E+03 |
4.9E+02 |
3.3E+02 |
1.3E+03 |
1.3E+02 |
5.4E+03 |
3.3E+02 |
7.0E+02 |
3.3E+02 |
7.9E+02 |
3.3E+02 |
全窒素 (mg/l) |
|
|
|
1.33 |
|
|
1.45 |
|
|
|
|
|
|
|
1.07 |
|
|
0.97 |
|
|
|
|
1.47 |
|
|
1.28 |
|
全燐 (mg/l) |
|
|
|
0.059 |
|
|
0.052 |
|
|
|
|
|
|
|
0.032 |
|
|
0.037 |
|
|
|
|
0.037 |
|
|
0.036 |
|
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) |
|
< 0.002 |
< 0.002 |
|
|
< 0.002 |
|
< 0.002 |
< 0.002 |
|
|
|
|
< 0.002 |
|
|
< 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 |
|
|
< 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 |
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 |
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
< 0.002 |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
0.2 |
|
|
0.3 |
|
|
|
|
|
|
|
0.1 |
|
|
< 0.1 |
|
|
|
|
< 0.1 |
|
|
0.1 |
|
アンモニア性窒素 (mg/l) |
|
|
|
0.3 |
|
|
0.2 |
|
|
|
|
|
|
|
< 0.1 |
|
|
0.1 |
|
|
|
|
0.3 |
|
|
0.3 |
|
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 |
|
|
8 |
|
|
|
|
|
|
|
5 |
|
|
8 |
|
|
|
|
8 |
|
|
8 |
|
硫酸イオン (mg/l) |
|
|
|
19 |
|
|
18 |
|
|
|
|
|
|
|
18 |
|
|
21 |
|
|
|
|
20 |
|
|
20 |
|