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 |
2008.04.23 |
2008.04.28 |
2008.05.07 |
2008.05.28 |
2008.06.08 |
2008.06.18 |
2008.07.02 |
2008.07.31 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.29 |
2008.09.10 |
2008.09.24 |
2008.10.01 |
2008.10.15 |
2008.11.05 |
2008.11.19 |
2008.12.03 |
2008.12.17 |
2009.01.14 |
2009.01.21 |
2009.02.03 |
2009.02.18 |
2009.03.11 |
2009.03.18 |
採取時刻 |
1035 |
1140 |
1040 |
1130 |
1010 |
1220 |
1210 |
1140 |
0000 |
0600 |
1200 |
1800 |
1150 |
1030 |
1228 |
1010 |
1225 |
1034 |
1150 |
1040 |
1110 |
1050 |
1125 |
1145 |
1030 |
1100 |
1210 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
18.6 |
14 |
21.7 |
16.1 |
24.2 |
24 |
26.8 |
24.2 |
20.9 |
20.9 |
27.8 |
25.3 |
25.7 |
23.7 |
21.2 |
17.9 |
21.3 |
15.3 |
6.5 |
8.9 |
9.5 |
0.8 |
3.5 |
4.2 |
1.6 |
1.0 |
14.8 |
水温 (℃) |
10 |
10.7 |
14.5 |
15 |
19.5 |
20.8 |
23 |
23 |
25.4 |
24 |
26.8 |
27 |
20.4 |
20 |
19.8 |
16.2 |
18 |
10.2 |
8.8 |
7.5 |
5.2 |
1.1 |
2.8 |
3.0 |
3.9 |
3.5 |
6.5 |
流量 (m3/s) |
362.08 |
216.20 |
226.49 |
206.15 |
239.70 |
159.46 |
111.35 |
317.46 |
110.33 |
123.69 |
101.25 |
99.48 |
728.79 |
241.33 |
163.81 |
148.37 |
108.48 |
175.30 |
97.73 |
241.33 |
230.49 |
187.18 |
204.47 |
192.04 |
302.36 |
317.9 |
377.08 |
採取水深 (m) |
0.76 |
0.46 |
0.6 |
0.56 |
0.52 |
0.4 |
0.3 |
0.6 |
0.26 |
0.3 |
0.26 |
0.22 |
0.68 |
0.64 |
0.36 |
0.31 |
0.26 |
0.56 |
0.3 |
0.48 |
0.46 |
0.38 |
0.42 |
0.4 |
0.46 |
0.52 |
0.56 |
全水深 (m) |
3.8 |
2.3 |
3 |
2.8 |
2.6 |
2 |
1.5 |
3 |
1.3 |
1.5 |
1.3 |
1.1 |
3.4 |
3.2 |
1.8 |
1.55 |
1.3 |
2.8 |
1.5 |
2.4 |
2.3 |
1.9 |
2.1 |
2.0 |
2.3 |
2.6 |
2.8 |
外観 |
茶色 |
白濁 |
茶色 |
微白濁 |
無色澄明 |
無色澄明 |
茶色 |
微茶濁 |
白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
微白濁 |
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 |
7.3 |
7.1 |
7.3 |
7.4 |
7.4 |
7.7 |
7.6 |
7.4 |
7.4 |
7.5 |
7.6 |
7.6 |
7.3 |
7.4 |
7.6 |
7.8 |
7.9 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.5 |
7.4 |
7.4 |
7.2 |
DO (mg/l) |
11 |
10 |
10 |
9.8 |
9.7 |
9.8 |
8.6 |
8.7 |
8.6 |
8.0 |
8.3 |
8.8 |
8.7 |
9.0 |
9.6 |
9.8 |
11 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
0.9 |
1.2 |
1.5 |
0.9 |
1.2 |
1.5 |
1.6 |
1.3 |
1.4 |
1.4 |
1.6 |
1.5 |
1.7 |
1.2 |
1.1 |
1.1 |
1.0 |
0.9 |
0.7 |
0.8 |
0.6 |
0.8 |
1.1 |
1.2 |
1.0 |
1.0 |
1.0 |
COD (mg/l) |
2.0 |
|
3.5 |
|
3.2 |
|
|
3.8 |
|
|
3.1 |
|
|
2.6 |
|
2.5 |
|
2.6 |
|
2.6 |
|
1.8 |
|
|
2.3 |
2.2 |
|
SS (mg/l) |
13 |
13 |
29 |
13 |
6 |
10 |
9 |
16 |
4 |
4 |
4 |
3 |
31 |
6 |
1 |
3 |
4 |
7 |
3 |
11 |
5 |
3 |
6 |
5 |
10 |
5 |
7 |
大腸菌群数 (MPN/100ml) |
7.9E+02 |
4.9E+02 |
4.9E+02 |
1.7E+03 |
3.3E+03 |
2.2E+02 |
3.3E+03 |
3.3E+03 |
1.3E+03 |
1.7E+03 |
1.7E+03 |
7.9E+02 |
7.9E+04 |
7.9E+03 |
1.1E+03 |
4.9E+02 |
4.9E+03 |
1.1E+03 |
4.9E+02 |
7.9E+02 |
1.1E+02 |
4.9E+03 |
2.4E+03 |
7.9E+02 |
7.9E+02 |
4.9E+02 |
3.2E+02 |
全窒素 (mg/l) |
|
|
1.1 |
|
|
|
|
0.94 |
|
|
|
|
|
0.94 |
|
|
|
0.97 |
|
|
|
0.93 |
|
|
|
1.0 |
|
全燐 (mg/l) |
|
|
0.10 |
|
|
|
|
0.061 |
|
|
|
|
|
0.045 |
|
|
|
0.055 |
|
|
|
0.021 |
|
|
|
0.027 |
|
全亜鉛 (mg/l) |
0.008 |
|
0.009 |
|
< 0.005 |
|
|
0.008 |
|
|
< 0.005 |
|
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
0.006 |
|
0.006 |
|
|
0.007 |
< 0.005 |
|
カドミウム (mg/l) |
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
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 |
|
|
|
|
|
砒素 (mg/l) |
< 0.001 |
|
0.001 |
|
0.001 |
|
|
0.001 |
|
|
0.002 |
|
|
< 0.001 |
|
< 0.001 |
|
0.001 |
|
0.001 |
|
< 0.001 |
|
|
< 0.001 |
< 0.001 |
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
< 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 |
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
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 |
60 |
60 |
33 |
76 |
97 |
> 100 |
66 |
46 |
65 |
> 100 |
> 100 |
> 100 |
66 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
98 |
> 100 |
> 100 |
> 100 |
> 100 |
84 |
> 100 |
83 |
塩化物イオン (mg/l) |
|
|
8 |
|
|
|
|
7 |
|
|
|
|
|
8 |
|
|
|
9 |
|
|
|
10 |
|
|
|
9 |
|
硫酸イオン (mg/l) |
|
|
15 |
|
|
|
|
13 |
|
|
|
|
|
14 |
|
|
|
19 |
|
|
|
16 |
|
|
|
14 |
|
酸度 (mg/l) |
|
|
2.5 |
|
|
|
|
3 |
|
|
|
|
|
3.3 |
|
|
|
2.5 |
|
|
|
2 |
|
|
|
3 |
|
アルカリ度 (mg/l) |
|
|
19 |
|
|
|
|
29 |
|
|
|
|
|
31 |
|
|
|
31 |
|
|
|
27 |
|
|
|
25 |
|
ほう素 (mg/l) |
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
0.53 |
|
|
|
|
|
|
|
|
|
|
|
|
0.69 |
|
|
|
|
|
|
|
|
|