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 |
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 |
1055 |
1120 |
1025 |
1130 |
1015 |
1210 |
1120 |
1035 |
0000 |
0600 |
1200 |
1800 |
1125 |
1022 |
1110 |
1013 |
1110 |
1011 |
1120 |
0954 |
1115 |
1020 |
1125 |
1030 |
1110 |
1010 |
1105 |
天候 |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
雨 |
曇り |
気温 (℃) |
13.7 |
14.4 |
21.5 |
26.0 |
22.0 |
25.1 |
24.9 |
24.5 |
26.1 |
25.0 |
31.0 |
28.3 |
24.2 |
21.0 |
26.3 |
15.1 |
14.3 |
12.2 |
8.1 |
6.9 |
3.9 |
0.0 |
1.6 |
3.9 |
4.6 |
2.9 |
1.3 |
水温 (℃) |
7.1 |
8.1 |
12.9 |
17.1 |
17.3 |
18.6 |
22.0 |
25.6 |
27.7 |
26.8 |
29.5 |
28.5 |
23.2 |
24.2 |
21.0 |
15.0 |
12.2 |
11.0 |
7.9 |
3.6 |
5.4 |
1.2 |
1.8 |
2.0 |
3.0 |
4.3 |
4.0 |
流量 (m3/s) |
438.83 |
442.38 |
263.02 |
236.34 |
263.02 |
332.89 |
154.18 |
67.13 |
54.00 |
51.55 |
52.77 |
57.79 |
115.08 |
94.36 |
211.08 |
257.57 |
116.90 |
109.71 |
94.36 |
126.21 |
164.85 |
156.29 |
137.86 |
137.86 |
135.88 |
145.90 |
164.85 |
pH |
7.2 |
7.2 |
7.1 |
7.2 |
7.2 |
7.4 |
7.4 |
7.7 |
7.2 |
7.2 |
7.4 |
7.2 |
7.4 |
7.5 |
7.4 |
7.4 |
7.4 |
7.7 |
8.0 |
7.4 |
7.4 |
7.2 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
DO (mg/l) |
12.0 |
12.0 |
10.0 |
9.6 |
9.0 |
8.9 |
8.4 |
8.0 |
7.2 |
6.7 |
8.3 |
7.4 |
7.5 |
7.3 |
8.3 |
9.4 |
11.0 |
11.0 |
13.0 |
13.0 |
13.0 |
13.0 |
13.0 |
12.0 |
14.0 |
13.0 |
13.0 |
BOD (mg/l) |
1.5 |
1.7 |
1.3 |
1.0 |
1.3 |
1.7 |
0.9 |
1.3 |
1.1 |
0.9 |
1.3 |
2.4 |
1.0 |
1.3 |
0.9 |
2.1 |
1.1 |
0.9 |
1.4 |
1.6 |
1.7 |
1.7 |
1.2 |
1.2 |
2.2 |
1.7 |
1.7 |
COD (mg/l) |
6.0 |
|
3.1 |
|
2.9 |
|
|
2.8 |
|
|
3.5 |
|
|
3.4 |
|
3.5 |
|
2.2 |
|
2.7 |
|
2.3 |
|
2.2 |
|
3.3 |
|
SS (mg/l) |
35 |
12 |
13 |
8 |
12 |
20 |
9 |
2 |
5 |
6 |
6 |
13 |
12 |
13 |
9 |
51 |
5 |
3 |
3 |
8 |
11 |
5 |
6 |
4 |
6 |
11 |
9 |
大腸菌群数 (MPN/100ml) |
7.9E+03 |
7.9E+03 |
7.9E+03 |
3.3E+02 |
1.1E+03 |
7.0E+02 |
2.4E+03 |
4.9E+03 |
3.3E+03 |
7.9E+03 |
4.9E+02 |
4.9E+03 |
1.1E+03 |
2.4E+03 |
2.4E+03 |
4.9E+04 |
7.9E+03 |
7.9E+02 |
1.3E+05 |
4.9E+04 |
1.3E+04 |
2.2E+04 |
3.3E+03 |
1.7E+04 |
1.3E+05 |
1.4E+04 |
1.3E+04 |
全窒素 (mg/l) |
|
|
1.00 |
|
|
|
|
1.10 |
|
|
|
|
|
1.30 |
|
|
|
0.83 |
|
|
|
1.10 |
|
|
|
1.60 |
|
全燐 (mg/l) |
|
|
0.083 |
|
|
|
|
0.060 |
|
|
|
|
|
0.110 |
|
|
|
0.046 |
|
|
|
0.088 |
|
|
|
0.110 |
|
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 |
|
0.009 |
|
< 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 |
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
N |
PCB (mg/l) |
|
|
|
|
|
|
|
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) |
|
|
0.39 |
|
|
|
|
0.12 |
|
|
|
|
|
0.13 |
|
|
|
0.17 |
|
|
|
0.21 |
|
|
|
0.20 |
|
アンモニア性窒素 (mg/l) |
|
|
00.100 |
|
|
|
|
00.100 |
|
|
|
|
|
00.100 |
|
|
|
00.100 |
|
|
|
00.200 |
|
|
|
00.200 |
|
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
27 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
塩化物イオン (mg/l) |
|
|
9 |
|
|
|
|
14 |
|
|
|
|
|
13 |
|
|
|
12 |
|
|
|
12 |
|
|
|
13 |
|
硫酸イオン (mg/l) |
|
|
13 |
|
|
|
|
20 |
|
|
|
|
|
23 |
|
|
|
21 |
|
|
|
21 |
|
|
|
23 |
|
酸度 (mg/l) |
|
|
3 |
|
|
|
|
3 |
|
|
|
|
|
3 |
|
|
|
1 |
|
|
|
4 |
|
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
17 |
|
|
|
|
38 |
|
|
|
|
|
38 |
|
|
|
31 |
|
|
|
25 |
|
|
|
29 |
|