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 |
2001.04.12 |
2001.04.25 |
2001.05.16 |
2001.05.28 |
2001.06.06 |
2001.06.25 |
2001.07.09 |
2001.07.27 |
2001.08.07 |
2001.08.07 |
2001.08.07 |
2001.08.07 |
2001.08.29 |
2001.09.05 |
2001.09.19 |
2001.10.03 |
2001.10.24 |
2001.11.12 |
2001.11.21 |
2001.12.05 |
2001.12.19 |
2002.01.09 |
2002.01.25 |
2002.02.06 |
2002.02.20 |
2002.03.06 |
2002.03.13 |
採取時刻 |
0940 |
1115 |
1055 |
1105 |
0945 |
1035 |
1105 |
1050 |
0127 |
0727 |
1327 |
1927 |
1205 |
1035 |
1055 |
1010 |
1100 |
1105 |
1040 |
1010 |
1150 |
1115 |
1000 |
1015 |
1107 |
1110 |
1020 |
天候 |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
雪 |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
気温 (℃) |
20.6 |
14.1 |
19.0 |
18.7 |
21.8 |
20.8 |
26.2 |
21.7 |
18.9 |
19.5 |
22.6 |
20.1 |
22.7 |
26.0 |
22.8 |
19.5 |
15.6 |
10.5 |
8.4 |
6.7 |
1.0 |
1.7 |
0.7 |
6.1 |
6.6 |
2.8 |
6.1 |
水温 (℃) |
8.8 |
9.8 |
15.1 |
16.0 |
18.5 |
18.0 |
21.2 |
22.0 |
18.9 |
18.9 |
19.0 |
19.1 |
21.0 |
19.8 |
18.2 |
15.2 |
14.1 |
8.8 |
6.2 |
4.4 |
1.8 |
1.0 |
2.2 |
3.0 |
3.0 |
4.0 |
4.2 |
流量 (m3/s) |
811.58 |
355.30 |
322.11 |
146.05 |
183.02 |
312.48 |
235.07 |
137.46 |
341.83 |
348.53 |
322.11 |
293.64 |
355.30 |
257.72 |
408.13 |
260.62 |
133.27 |
146.05 |
173.38 |
187.93 |
152.67 |
183.02 |
422.84 |
208.23 |
197.95 |
203.06 |
386.56 |
採取水深 (m) |
1.0 |
0.7 |
0.6 |
0.5 |
0.3 |
0.6 |
0.6 |
0.5 |
0.9 |
0.7 |
0.7 |
0.7 |
0.9 |
0.6 |
0.6 |
0.5 |
0.5 |
0.3 |
0.6 |
0.6 |
0.5 |
0.6 |
0.8 |
0.6 |
0.5 |
0.6 |
0.8 |
全水深 (m) |
5.2 |
3.4 |
3.1 |
2.3 |
1.6 |
3.2 |
2.8 |
2.4 |
4.3 |
3.4 |
3.4 |
3.3 |
4.5 |
3.1 |
3.0 |
3.2 |
2.5 |
1.6 |
2.8 |
2.8 |
2.5 |
2.8 |
3.9 |
3.0 |
2.7 |
2.8 |
3.8 |
外観 |
茶濁 |
無色澄明 |
茶濁 |
無色澄明 |
無色澄明 |
微茶濁 |
茶濁 |
微茶濁 |
濃白濁 |
濃白濁 |
濃白濁 |
白濁 |
茶濁 |
白濁 |
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 |
白濁 |
濃白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
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 |
7.3 |
7.0 |
7.3 |
7.4 |
7.3 |
7.3 |
7.4 |
7.3 |
7.4 |
7.4 |
7.4 |
7.4 |
7.5 |
7.4 |
7.6 |
7.5 |
7.5 |
7.4 |
7.6 |
7.5 |
7.5 |
7.3 |
7.3 |
7.3 |
7.4 |
7.2 |
DO (mg/l) |
11.1 |
11.1 |
9.4 |
9.4 |
8.7 |
8.7 |
8.5 |
7.5 |
8.3 |
8.4 |
8.4 |
8.5 |
8.1 |
8.6 |
8.8 |
8.9 |
10.4 |
11.3 |
11.5 |
11.8 |
13.9 |
12.7 |
13.0 |
13.0 |
13.2 |
12.3 |
12.9 |
BOD (mg/l) |
0.8 |
1.0 |
1.4 |
1.3 |
1.1 |
1.4 |
1.1 |
0.9 |
0.6 |
0.6 |
0.7 |
0.8 |
0.8 |
0.7 |
0.7 |
0.7 |
1.1 |
1.0 |
0.9 |
1.1 |
1.1 |
1.7 |
1.2 |
0.9 |
0.9 |
1.4 |
1.5 |
COD (mg/l) |
3.4 |
|
|
2.7 |
2.6 |
|
|
2.3 |
|
|
2.3 |
|
|
2.4 |
|
2.4 |
|
|
1.5 |
2.2 |
|
3.2 |
|
1.7 |
|
|
3.4 |
SS (mg/l) |
42 |
7 |
14 |
8 |
9 |
14 |
16 |
11 |
17 |
17 |
18 |
14 |
17 |
9 |
13 |
5 |
4 |
4 |
4 |
4 |
4 |
11 |
17 |
5 |
7 |
5 |
16 |
大腸菌群数 (MPN/100ml) |
1.7E+03 |
4.9E+02 |
3.3E+03 |
1.3E+04 |
7.9E+03 |
4.9E+03 |
1.3E+04 |
3.3E+03 |
4.9E+03 |
4.9E+03 |
7.9E+03 |
7.9E+03 |
7.9E+04 |
4.9E+03 |
2.2E+04 |
2.4E+03 |
4.9E+03 |
7.9E+03 |
3.3E+04 |
4.9E+03 |
2.8E+04 |
7.9E+04 |
1.7E+04 |
1.7E+04 |
3.3E+03 |
7.9E+04 |
4.9E+03 |
全窒素 (mg/l) |
|
|
|
1.50 |
|
|
|
1.40 |
|
|
|
|
|
0.92 |
|
|
|
|
0.77 |
|
|
1.10 |
|
|
|
|
1.30 |
全燐 (mg/l) |
|
|
|
0.061 |
|
|
|
0.063 |
|
|
|
|
|
0.043 |
|
|
|
|
0.028 |
|
|
0.069 |
|
|
|
|
0.070 |
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 |
|
< 0.005 |
|
|
< 0.005 |
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 |
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) |
|
|
|
0.1 |
|
|
|
0.1 |
|
|
|
|
|
0.1 |
|
|
|
|
< 0.1 |
|
|
0.1 |
|
|
|
|
0.3 |
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) |
|
|
|
10 |
|
|
|
8 |
|
|
|
|
|
8 |
|
|
|
|
8 |
|
|
12 |
|
|
|
|
9 |
硫酸イオン (mg/l) |
|
|
|
18 |
|
|
|
17 |
|
|
|
|
|
15 |
|
|
|
|
18 |
|
|
17 |
|
|
|
|
12 |
酸度 (mg/l) |
|
|
|
3 |
|
|
|
3 |
|
|
|
|
|
3 |
|
|
|
|
3 |
|
|
3 |
|
|
|
|
3 |
アルカリ度 (mg/l) |
|
|
|
24 |
|
|
|
29 |
|
|
|
|
|
29 |
|
|
|
|
26 |
|
|
27 |
|
|
|
|
22 |
ほう素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
0.86 |
|
|
|
|
|
|
0.97 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|