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 |
2009.04.16 |
2009.04.21 |
2009.05.13 |
2009.05.26 |
2009.06.07 |
2009.06.16 |
2009.07.01 |
2009.08.04 |
2009.08.04 |
2009.08.04 |
2009.08.04 |
2009.08.12 |
2009.08.26 |
2009.09.02 |
2009.09.16 |
2009.10.07 |
2009.10.21 |
2009.11.04 |
2009.11.19 |
2009.12.02 |
2009.12.16 |
2010.01.13 |
2010.01.20 |
2010.02.02 |
2010.02.17 |
2010.03.10 |
2010.03.17 |
採取時刻 |
1140 |
1020 |
1035 |
1110 |
1000 |
1055 |
1040 |
0000 |
0600 |
1200 |
1800 |
1100 |
1140 |
1020 |
1115 |
0945 |
1057 |
1030 |
1110 |
0942 |
1110 |
1100 |
1105 |
1049 |
0953 |
1040 |
1120 |
天候 |
晴れ |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
気温 (℃) |
14.9 |
11 |
18 |
21.2 |
19.7 |
19.5 |
21.8 |
20 |
20.5 |
28.1 |
26 |
26.2 |
24 |
22 |
24.3 |
18.2 |
17.9 |
11.3 |
6.8 |
5 |
2.9 |
3.3 |
3.1 |
3.9 |
0.7 |
2.6 |
3.4 |
水温 (℃) |
9.8 |
10 |
13.5 |
15.9 |
16 |
17.9 |
21 |
21 |
20.5 |
22.7 |
22.2 |
22.7 |
21.5 |
19.7 |
19.2 |
17.5 |
13.4 |
9.7 |
8.2 |
6.8 |
4.6 |
3.1 |
2.9 |
2.9 |
2.2 |
3 |
5.3 |
流量 (m3/s) |
595.13 |
387.44 |
249.63 |
212.11 |
653.37 |
230.49 |
166.07 |
373.66 |
373.66 |
305.44 |
337.07 |
327.42 |
192.04 |
380.52 |
168.36 |
117.87 |
150.53 |
133.7 |
445.03 |
233.18 |
260.91 |
187.18 |
182.38 |
227.82 |
189.6 |
314.76 |
573.45 |
採取水深 (m) |
0.96 |
0.81 |
0.69 |
0.7 |
0.95 |
0.72 |
0.62 |
0.86 |
0.84 |
0.78 |
0.8 |
0.79 |
0.66 |
0.77 |
0.63 |
0.58 |
0.6 |
0.59 |
0.8 |
0.68 |
0.7 |
0.64 |
0.64 |
0.67 |
0.64 |
0.73 |
0.88 |
全水深 (m) |
4.8 |
4.05 |
3.45 |
3.5 |
4.76 |
3.6 |
3.1 |
4.3 |
4.2 |
3.9 |
4 |
3.95 |
3.3 |
3.85 |
3.15 |
2.9 |
3 |
2.97 |
4 |
3.4 |
3.5 |
3.2 |
3.2 |
3.37 |
3.2 |
3.65 |
4.4 |
外観 |
微茶濁 |
無色澄明 |
微白濁 |
茶色 |
茶濁 |
無色澄明 |
微白濁 |
無色澄明 |
茶色 |
茶色 |
無色澄明 |
茶色 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
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 |
茶色 |
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 |
7.2 |
7.3 |
7.1 |
7.2 |
7.3 |
7.4 |
7.6 |
7.3 |
7.2 |
7.4 |
7.4 |
7.4 |
7.5 |
7.5 |
7.6 |
7.6 |
7.5 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.3 |
7.3 |
7.3 |
7.0 |
7.2 |
DO (mg/l) |
11 |
10 |
9.9 |
9.9 |
9.2 |
9.2 |
8.1 |
8.6 |
8.5 |
8.5 |
9.0 |
8.2 |
9.1 |
8.7 |
9.3 |
9.3 |
10 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
12 |
BOD (mg/l) |
0.9 |
0.7 |
1.1 |
1.4 |
1.5 |
1.2 |
1.2 |
1.0 |
1.0 |
1.1 |
1.0 |
1.1 |
0.9 |
1.1 |
1.1 |
1.0 |
1.1 |
0.7 |
1.2 |
1.0 |
0.9 |
1.2 |
0.9 |
1.0 |
0.8 |
1.0 |
1.6 |
COD (mg/l) |
|
1.8 |
2.9 |
|
4.9 |
|
3.9 |
|
|
2.5 |
|
|
|
3.5 |
|
2.4 |
|
1.9 |
|
2.0 |
|
2.6 |
|
|
2.0 |
1.9 |
|
SS (mg/l) |
22 |
6 |
10 |
7 |
27 |
7 |
11 |
7 |
6 |
8 |
6 |
6 |
3 |
9 |
2 |
4 |
6 |
2 |
6 |
1 |
1 |
3 |
4 |
3 |
4 |
4 |
23 |
大腸菌群数 (MPN/100ml) |
1.1E+03 |
4.9E+02 |
3.3E+03 |
4.9E+03 |
1.3E+04 |
3.3E+03 |
3.3E+03 |
1.1E+04 |
4.6E+03 |
4.9E+03 |
4.9E+03 |
1.7E+04 |
1.1E+04 |
2.4E+04 |
1.7E+03 |
1.3E+03 |
1.7E+03 |
1.7E+03 |
1.7E+03 |
4.9E+02 |
4.9E+02 |
1.7E+03 |
3.3E+02 |
4.9E+03 |
1.3E+03 |
7.9E+02 |
4.9E+02 |
全窒素 (mg/l) |
|
|
0.90 |
|
|
|
1.2 |
|
|
|
|
|
|
0.90 |
|
|
|
0.84 |
|
|
|
1.0 |
|
|
|
0.97 |
|
全燐 (mg/l) |
|
|
0.060 |
|
|
|
0.066 |
|
|
|
|
|
|
0.046 |
|
|
|
0.038 |
|
|
|
0.030 |
|
|
|
0.030 |
|
全亜鉛 (mg/l) |
|
< 0.005 |
< 0.005 |
|
0.010 |
|
0.008 |
|
|
< 0.005 |
|
|
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
0.004 |
|
|
0.004 |
0.003 |
|
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 |
|
|
< 0.001 |
|
|
|
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) |
|
|
0.1 |
|
|
|
< 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 |
46 |
> 100 |
65 |
86 |
35 |
> 100 |
82 |
> 100 |
85 |
87 |
> 100 |
82 |
> 100 |
90 |
> 100 |
> 100 |
> 100 |
> 100 |
83 |
> 100 |
> 100 |
61 |
> 100 |
> 100 |
> 100 |
> 100 |
63 |
塩化物イオン (mg/l) |
|
|
7 |
|
|
|
10 |
|
|
|
|
|
|
7 |
|
|
|
10 |
|
|
|
12 |
|
|
|
19 |
|
硫酸イオン (mg/l) |
|
|
13 |
|
|
|
20 |
|
|
|
|
|
|
14 |
|
|
|
20 |
|
|
|
18 |
|
|
|
25 |
|
酸度 (mg/l) |
|
|
4 |
|
|
|
2 |
|
|
|
|
|
|
2 |
|
|
|
2 |
|
|
|
2 |
|
|
|
2 |
|
アルカリ度 (mg/l) |
|
|
20 |
|
|
|
33 |
|
|
|
|
|
|
28 |
|
|
|
28 |
|
|
|
29 |
|
|
|
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) |
|
|
|
|
0.56 |
|
|
|
|
|
|
|
|
|
|
|
|
0.65 |
|
|
|
|
|
|
|
|
|