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 |
2002.04.10 |
2002.04.17 |
2002.05.01 |
2002.05.15 |
2002.06.05 |
2002.06.19 |
2002.07.03 |
2002.07.30 |
2002.08.27 |
2002.08.27 |
2002.08.27 |
2002.08.27 |
2002.08.30 |
2002.09.10 |
2002.09.25 |
2002.10.09 |
2002.10.17 |
2002.11.06 |
2002.11.20 |
2002.12.04 |
2002.12.11 |
2003.01.08 |
2003.01.15 |
2003.02.05 |
2003.02.12 |
2003.03.05 |
2003.03.12 |
採取時刻 |
1015 |
1115 |
1125 |
1035 |
1010 |
1131 |
1115 |
1050 |
0125 |
0725 |
1325 |
1925 |
1040 |
1035 |
1120 |
1103 |
1025 |
1035 |
1110 |
1010 |
1055 |
1110 |
1020 |
1035 |
1010 |
1135 |
1025 |
天候 |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
15.7 |
23.7 |
17.7 |
18.1 |
22.0 |
22.7 |
20.9 |
28.6 |
21.8 |
21.7 |
27.5 |
25.6 |
30.5 |
26.3 |
20.7 |
19.0 |
23.2 |
7.7 |
8.7 |
3.4 |
-0.4 |
2.8 |
-1.0 |
-2.2 |
1.5 |
2.7 |
5.9 |
水温 (℃) |
7.5 |
10.9 |
11.0 |
13.2 |
18.0 |
18.8 |
18.0 |
23.6 |
19.2 |
19.0 |
20.5 |
21.1 |
23.5 |
22.0 |
17.5 |
16.0 |
16.0 |
7.5 |
5.2 |
4.9 |
3.0 |
1.5 |
1.2 |
1.8 |
2.2 |
2.2 |
3.0 |
流量 (m3/s) |
654.12 |
681.06 |
309.69 |
266.18 |
189.02 |
263.19 |
329.35 |
164.66 |
448.29 |
440.56 |
374.02 |
417.77 |
306.48 |
179.08 |
171.79 |
346.20 |
290.64 |
322.73 |
316.18 |
290.64 |
248.54 |
164.66 |
179.08 |
179.08 |
231.50 |
254.35 |
260.23 |
採取水深 (m) |
0.9 |
0.9 |
0.7 |
0.7 |
0.6 |
0.7 |
0.7 |
0.6 |
0.9 |
0.8 |
0.8 |
0.9 |
0.8 |
0.7 |
0.7 |
0.6 |
0.7 |
0.8 |
0.7 |
0.7 |
0.6 |
0.6 |
0.6 |
0.6 |
0.7 |
0.7 |
0.6 |
全水深 (m) |
4.7 |
4.3 |
3.7 |
3.4 |
3.1 |
3.5 |
3.7 |
3.0 |
4.4 |
4.2 |
4.1 |
4.3 |
3.8 |
3.5 |
3.3 |
3.0 |
3.7 |
3.8 |
3.7 |
3.7 |
3.1 |
2.8 |
3.0 |
2.8 |
3.3 |
3.5 |
2.9 |
外観 |
白濁 |
白濁 |
濃白濁 |
茶濁 |
微茶濁 |
微茶濁 |
微茶濁 |
無色澄明 |
濃白濁 |
白濁 |
白濁 |
白濁 |
白濁 |
無色澄明 |
無色澄明 |
茶濁 |
茶濁 |
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 |
白濁 |
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 |
7.1 |
7.2 |
7.0 |
7.7 |
7.4 |
7.4 |
7.6 |
7.3 |
7.3 |
7.4 |
7.4 |
7.4 |
7.6 |
7.4 |
7.5 |
7.4 |
7.3 |
7.2 |
7.3 |
7.2 |
7.3 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
DO (mg/l) |
11.5 |
10.9 |
10.5 |
9.7 |
9.8 |
8.6 |
8.7 |
9.0 |
8.7 |
8.7 |
8.9 |
8.8 |
8.4 |
8.9 |
9.4 |
9.4 |
9.2 |
11.4 |
12.5 |
12.2 |
12.8 |
13.5 |
13.4 |
13.9 |
13.1 |
13.5 |
13.3 |
BOD (mg/l) |
0.5 |
0.7 |
1.2 |
1.6 |
2.0 |
1.5 |
1.7 |
1.1 |
0.6 |
0.7 |
0.7 |
0.5 |
0.7 |
0.9 |
1.3 |
0.7 |
1.3 |
0.5 |
0.9 |
0.6 |
0.9 |
1.2 |
1.4 |
1.1 |
1.0 |
1.0 |
1.1 |
COD (mg/l) |
2.3 |
|
|
3.3 |
3.5 |
|
|
2.1 |
|
|
2.0 |
|
|
2.0 |
|
|
4.2 |
1.9 |
|
1.9 |
|
|
3.7 |
|
3.2 |
|
1.9 |
SS (mg/l) |
11 |
12 |
19 |
11 |
10 |
17 |
21 |
3 |
11 |
11 |
11 |
9 |
6 |
4 |
9 |
14 |
18 |
4 |
3 |
4 |
2 |
3 |
9 |
4 |
6 |
6 |
5 |
大腸菌群数 (MPN/100ml) |
7.9E+02 |
1.7E+03 |
4.9E+03 |
7.9E+03 |
3.3E+04 |
1.1E+04 |
1.7E+04 |
2.4E+03 |
4.9E+03 |
1.3E+04 |
1.3E+04 |
1.7E+04 |
1.3E+04 |
3.3E+03 |
1.7E+04 |
1.3E+04 |
7.9E+04 |
1.3E+03 |
3.3E+04 |
7.9E+03 |
2.4E+04 |
7.9E+04 |
4.9E+04 |
3.3E+04 |
3.3E+03 |
2.2E+04 |
1.7E+03 |
全窒素 (mg/l) |
|
|
|
0.92 |
|
|
|
1.19 |
|
|
|
|
|
0.73 |
|
|
|
0.79 |
|
|
|
|
1.12 |
|
|
|
1.00 |
全燐 (mg/l) |
|
|
|
0.077 |
|
|
|
0.029 |
|
|
|
|
|
0.045 |
|
|
|
0.029 |
|
|
|
|
0.078 |
|
|
|
0.053 |
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) |
< 0.02 |
|
|
< 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 |
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) |
|
|
|
0.2 |
|
|
|
< 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 |
|
|
|
|
< 0.1 |
|
|
|
< 0.1 |
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) |
|
|
|
8 |
|
|
|
9 |
|
|
|
|
|
8 |
|
|
|
7 |
|
|
|
|
11 |
|
|
|
9 |
硫酸イオン (mg/l) |
|
|
|
13 |
|
|
|
16 |
|
|
|
|
|
16 |
|
|
|
12 |
|
|
|
|
16 |
|
|
|
15 |
酸度 (mg/l) |
|
|
|
4 |
|
|
|
3 |
|
|
|
|
|
3 |
|
|
|
3 |
|
|
|
|
3 |
|
|
|
26 |
アルカリ度 (mg/l) |
|
|
|
20 |
|
|
|
32 |
|
|
|
|
|
28 |
|
|
|
25 |
|
|
|
|
26 |
|
|
|
3 |
ほう素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.75 |
|
|
|
|
|
|
0.80 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|