測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01901 |
北上川(4) |
千歳橋(狐禅寺) |
A |
測定結果
採取年月日 |
1993.04.15 |
1993.04.26 |
1993.05.06 |
1993.05.19 |
1993.06.02 |
1993.06.23 |
1993.07.07 |
1993.07.21 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.18 |
1993.09.02 |
1993.09.22 |
1993.10.06 |
1993.10.20 |
1993.11.10 |
1993.11.24 |
1993.12.08 |
1993.12.15 |
1994.01.12 |
1994.01.26 |
1994.02.09 |
1994.02.16 |
1994.03.02 |
1994.03.14 |
採取時刻 |
1055 |
1115 |
1115 |
1055 |
1110 |
1110 |
1100 |
1130 |
0025 |
0625 |
1225 |
1825 |
1205 |
1255 |
1200 |
1050 |
1140 |
1105 |
1130 |
1125 |
1045 |
1050 |
1115 |
1055 |
1010 |
1045 |
1125 |
天候 |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
雪 |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
気温 (℃) |
15.7 |
15.9 |
18.6 |
19.3 |
20.1 |
22.5 |
23.5 |
20.8 |
18.7 |
19.3 |
21.7 |
20.3 |
27.5 |
26.4 |
18.6 |
17.3 |
14.6 |
12.5 |
2.1 |
3.4 |
0.0 |
1.7 |
3.1 |
4.8 |
4.5 |
3.5 |
2.9 |
水温 (℃) |
7.2 |
8.5 |
11.0 |
12.5 |
16.0 |
16.0 |
19.2 |
17.2 |
17.9 |
17.5 |
18.5 |
18.0 |
19.7 |
19.5 |
15.8 |
12.7 |
12.8 |
8.0 |
6.7 |
4.0 |
3.0 |
1.5 |
2.2 |
3.2 |
2.7 |
4.0 |
4.0 |
流量 (m3/s) |
261.40 |
412.40 |
347.80 |
504.70 |
249.60 |
442.60 |
175.00 |
241.00 |
218.70 |
218.70 |
202.70 |
170.10 |
241.00 |
210.70 |
400.40 |
189.90 |
119.50 |
165.40 |
241.00 |
398.30 |
304.60 |
167.80 |
142.60 |
147.00 |
140.40 |
221.50 |
202.70 |
pH |
7.6 |
7.2 |
7 |
7.2 |
7.3 |
7.2 |
7.5 |
7.3 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
7.5 |
7.3 |
7.5 |
7.7 |
7.4 |
7.2 |
7.3 |
7.3 |
7.3 |
7.3 |
7.5 |
7.4 |
7.4 |
7.5 |
DO (mg/l) |
12 |
11 |
10 |
10 |
19.6 |
9.2 |
8.6 |
8.8 |
9 |
8.7 |
8.9 |
9 |
8.9 |
8.7 |
9 |
9.9 |
10 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
13 |
BOD (mg/l) |
1.1 |
1.9 |
2.1 |
1.3 |
1.2 |
0.6 |
1.2 |
0.8 |
0.7 |
0.6 |
0.7 |
< 0.5 |
1.5 |
0.7 |
0.7 |
0.8 |
1.2 |
1.1 |
1.4 |
1.4 |
1.6 |
1 |
0.8 |
2.4 |
1.7 |
1.3 |
1.5 |
COD (mg/l) |
2.2 |
|
|
3.2 |
2.3 |
|
3.4 |
|
|
2.1 |
|
|
|
2.8 |
|
1.9 |
|
1.8 |
|
|
1.8 |
1.8 |
|
2.4 |
|
2.5 |
|
SS (mg/l) |
5 |
20 |
17 |
19 |
5 |
9 |
8 |
9 |
4 |
4 |
4 |
4 |
7 |
8 |
10 |
3 |
3 |
4 |
6 |
5 |
5 |
3 |
3 |
6 |
5 |
9 |
7 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
1.7E+03 |
2.4E+03 |
1.1E+03 |
4.9E+03 |
4.9E+03 |
4.9E+03 |
7.9E+03 |
1.1E+03 |
4.9E+02 |
2.2E+03 |
4.9E+02 |
7.9E+03 |
1.3E+03 |
1.4E+03 |
3.3E+03 |
2.3E+02 |
7.0E+02 |
2.3E+02 |
2.4E+03 |
1.3E+04 |
1.1E+03 |
1.3E+03 |
2.2E+04 |
4.9E+04 |
1.7E+03 |
3.3E+04 |
全窒素 (mg/l) |
|
|
|
0.86 |
|
|
1 |
|
|
|
|
|
|
0.94 |
|
|
|
0.72 |
|
|
|
1 |
|
|
|
1 |
|
全燐 (mg/l) |
|
|
|
0.071 |
|
|
0.087 |
|
|
|
|
|
|
0.061 |
|
|
|
0.07 |
|
|
|
0.057 |
|
|
|
0.063 |
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
N |
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
< 0.01 |
< 0.01 |
|
|
< 0.01 |
|
< 0.01 |
|
|
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
< 0.01 |
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
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) |
|
< 0.01 |
< 0.01 |
|
|
< 0.01 |
|
< 0.01 |
|
|
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
< 0.01 |
|
|
< 0.01 |
|
< 0.01 |
|
< 0.01 |
総水銀 (mg/l) |
|
< 0 |
< 0 |
|
|
< 0 |
|
< 0 |
|
|
|
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
< 0 |
|
|
< 0 |
|
< 0 |
|
< 0 |
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 |
|
|
|
< 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) |
|
|
|
3.1 |
|
|
1.9 |
|
|
|
|
|
|
2.7 |
|
|
|
1.4 |
|
|
|
1.6 |
|
|
|
2.1 |
|