測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01954 |
北上川(4) |
北上川橋 |
A |
測定結果
採取年月日 |
1994.04.14 |
1994.04.20 |
1994.05.11 |
1994.05.25 |
1994.06.01 |
1994.06.15 |
1994.07.13 |
1994.07.20 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.08.02 |
1994.08.24 |
1994.09.07 |
1994.09.21 |
1994.10.17 |
1994.10.24 |
1994.11.02 |
1994.11.16 |
1994.12.07 |
1994.12.14 |
1995.01.11 |
1995.01.25 |
1995.02.01 |
1995.02.15 |
1995.03.01 |
1995.03.08 |
採取時刻 |
1245 |
1150 |
1153 |
1250 |
1140 |
1250 |
1240 |
1200 |
0146 |
0746 |
1346 |
1946 |
1310 |
1124 |
1140 |
1130 |
1140 |
1130 |
1330 |
1057 |
1145 |
1135 |
1155 |
1140 |
1215 |
1120 |
1155 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
雨 |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
雨 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
13.6 |
11.9 |
22.4 |
25.6 |
22.7 |
26.0 |
27.1 |
25.0 |
25.0 |
26.5 |
31.5 |
27.5 |
27.6 |
22.5 |
28.8 |
14.2 |
14.6 |
13.2 |
8.2 |
4.8 |
5.4 |
0.5 |
1.7 |
4.7 |
5.4 |
3.3 |
5.4 |
水温 (℃) |
7.6 |
8.8 |
13.3 |
18.0 |
17.9 |
18.2 |
23.5 |
26.0 |
27.6 |
27.3 |
30.5 |
28.4 |
27.0 |
24.5 |
22.0 |
14.8 |
12.8 |
11.9 |
8.6 |
4.5 |
5.5 |
1.0 |
2.8 |
2.0 |
3.8 |
4.8 |
4.7 |
流量 (m3/s) |
517.02 |
532.13 |
289.52 |
264.14 |
324.26 |
375.61 |
170.24 |
95.39 |
67.91 |
62.97 |
60.57 |
73.03 |
145.34 |
131.00 |
230.56 |
276.68 |
136.29 |
129.25 |
110.87 |
154.68 |
197.11 |
184.46 |
164.32 |
138.07 |
160.43 |
166.28 |
174.25 |
pH |
7.2 |
7.1 |
7.1 |
7.2 |
7.3 |
7.3 |
7.4 |
7.9 |
7.3 |
7.4 |
7.8 |
7.6 |
7.5 |
7.6 |
7.4 |
7.4 |
7.4 |
7.7 |
8.0 |
7.7 |
7.4 |
7.3 |
7.5 |
7.4 |
7.5 |
7.5 |
7.5 |
DO (mg/l) |
11.0 |
12.0 |
10.0 |
9.2 |
8.7 |
8.7 |
9.3 |
8.8 |
7.0 |
7.3 |
9.2 |
8.3 |
7.7 |
7.6 |
8.3 |
9.1 |
11.0 |
11.0 |
13.0 |
13.0 |
13.0 |
12.0 |
13.0 |
13.0 |
14.0 |
12.0 |
13.0 |
BOD (mg/l) |
1.5 |
1.5 |
1.3 |
1.1 |
1.4 |
1.9 |
0.9 |
1.5 |
0.6 |
0.6 |
0.9 |
1.0 |
0.9 |
0.9 |
0.9 |
1.3 |
1.0 |
0.8 |
1.4 |
2.0 |
2.0 |
1.8 |
1.4 |
1.4 |
2.6 |
1.8 |
1.9 |
COD (mg/l) |
3.9 |
|
3.0 |
|
3.1 |
|
|
2.8 |
|
|
3.3 |
|
|
2.9 |
|
2.3 |
|
2.2 |
|
2.7 |
|
2.5 |
|
2.5 |
|
3.9 |
|
SS (mg/l) |
36 |
13 |
16 |
9 |
14 |
20 |
9 |
2 |
5 |
5 |
5 |
6 |
15 |
10 |
13 |
21 |
6 |
3 |
3 |
5 |
12 |
7 |
5 |
6 |
7 |
9 |
11 |
大腸菌群数 (MPN/100ml) |
7.9E+03 |
7.9E+03 |
3.3E+03 |
2.8E+03 |
7.9E+03 |
1.1E+03 |
7.0E+03 |
7.9E+02 |
4.9E+02 |
1.3E+03 |
4.9E+02 |
2.4E+03 |
4.9E+02 |
3.3E+03 |
4.9E+03 |
7.9E+03 |
4.9E+03 |
3.3E+02 |
7.9E+02 |
1.3E+03 |
4.9E+03 |
1.1E+04 |
1.1E+04 |
7.9E+03 |
4.9E+04 |
4.9E+02 |
4.9E+02 |
全窒素 (mg/l) |
|
|
1.10 |
|
|
|
|
1.00 |
|
|
|
|
|
1.20 |
|
|
|
0.89 |
|
|
|
1.50 |
|
|
|
1.80 |
|
全燐 (mg/l) |
|
|
0.088 |
|
|
|
|
0.065 |
|
|
|
|
|
0.077 |
|
|
|
0.066 |
|
|
|
0.063 |
|
|
|
0.088 |
|
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 |
|
0.007 |
0.005 |
|
|
|
|
|
0.006 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
0.005 |
|
< 0.005 |
|
0.006 |
|
< 0.005 |
六価クロム (mg/l) |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
< 0.040 |
|
|
|
|
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
< 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) |
|
|
0.32 |
|
|
|
|
0.09 |
|
|
|
|
|
0.11 |
|
|
|
0.13 |
|
|
|
0.18 |
|
|
|
0.23 |
|
アンモニア性窒素 (mg/l) |
|
|
00.100 |
|
|
|
|
00.100 |
|
|
|
|
|
00.100 |
|
|
|
00.100 |
|
|
|
00.100 |
|
|
|
00.200 |
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
塩化物イオン (mg/l) |
|
|
10 |
|
|
|
|
14 |
|
|
|
|
|
12 |
|
|
|
12 |
|
|
|
13 |
|
|
|
14 |
|
硫酸イオン (mg/l) |
|
|
15 |
|
|
|
|
19 |
|
|
|
|
|
20 |
|
|
|
21 |
|
|
|
21 |
|
|
|
23 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
1 |
|
|
|
|
|
3 |
|
|
|
1 |
|
|
|
3 |
|
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
17 |
|
|
|
|
39 |
|
|
|
|
|
41 |
|
|
|
31 |
|
|
|
28 |
|
|
|
32 |
|