測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01751 |
北上川(2) |
船田橋 |
A |
測定結果
採取年月日 |
2007.04.25 |
2007.05.22 |
2007.06.13 |
2007.07.11 |
2007.08.28 |
2007.09.27 |
2007.10.16 |
2007.11.26 |
2007.12.12 |
2008.01.09 |
2008.02.06 |
2008.03.05 |
2007.04.17 |
2007.04.20 |
2007.05.09 |
2007.05.16 |
2007.06.03 |
2007.06.21 |
2007.07.04 |
2007.07.19 |
2007.08.01 |
2007.08.17 |
2007.09.05 |
2007.09.13 |
2007.10.03 |
2007.10.19 |
2007.11.07 |
2007.11.22 |
2007.12.05 |
2007.12.20 |
2008.01.16 |
2008.01.24 |
2008.02.13 |
2008.02.21 |
2008.03.12 |
2008.03.18 |
採取時刻 |
1130 |
1010 |
1130 |
1015 |
0945 |
1340 |
1200 |
1010 |
1100 |
1130 |
1100 |
1125 |
1050 |
0950 |
1120 |
1020 |
1000 |
0950 |
1030 |
1015 |
1450 |
1105 |
1015 |
1030 |
1000 |
1030 |
1010 |
1030 |
1005 |
0955 |
1030 |
0950 |
1030 |
1050 |
0940 |
0955 |
天候 |
曇り |
晴れ |
晴れ |
雨 |
曇り |
曇り |
晴れ |
曇り |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
気温 (℃) |
13.8 |
22 |
29 |
20 |
22 |
21.3 |
16.2 |
11.6 |
5.4 |
-2.6 |
-1.3 |
3.5 |
7.7 |
9.4 |
20.2 |
18.9 |
19.8 |
21.2 |
24.2 |
17.2 |
29.1 |
24.8 |
23 |
24.8 |
15.8 |
15.7 |
11.2 |
-2.7 |
-1.2 |
-2.2 |
-1.2 |
-2.1 |
-4.9 |
2.7 |
4.8 |
6.5 |
水温 (℃) |
8.9 |
12 |
18.8 |
16.8 |
19.8 |
15.1 |
11.5 |
5.7 |
5.1 |
2.1 |
2.3 |
4.5 |
7.2 |
7.4 |
10.8 |
10.8 |
13.9 |
18.2 |
17.6 |
17.1 |
20.3 |
20.6 |
18.5 |
16.5 |
13.3 |
10.2 |
8 |
4.3 |
4.1 |
3.3 |
2.5 |
2 |
2.1 |
3.2 |
4.4 |
5.3 |
流量 (m3/s) |
84.11 |
47.61 |
31.25 |
32.23 |
30.28 |
40.65 |
28.39 |
35.28 |
28.39 |
27.46 |
21.43 |
24.79 |
51.58 |
41.9 |
68 |
47.83 |
39.63 |
35.29 |
33.22 |
25.54 |
22.25 |
21.43 |
25.66 |
38.46 |
33.23 |
26.56 |
26.56 |
41.78 |
30.28 |
26.56 |
25.66 |
23.92 |
21.43 |
22.25 |
37.38 |
53.83 |
採取水深 (m) |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.3 |
0.27 |
0.31 |
0.27 |
0.26 |
0.25 |
0.28 |
0.27 |
0.24 |
0.25 |
0.24 |
0.3 |
0.29 |
0.26 |
0.27 |
0.31 |
0.28 |
0.27 |
0.27 |
0.26 |
0.26 |
0.26 |
0.3 |
0.32 |
全水深 (m) |
1.5 |
1.3 |
1 |
1.1 |
1 |
1.2 |
1.1 |
1.2 |
1.1 |
1.1 |
1 |
1.1 |
1.5 |
1.35 |
1.57 |
1.35 |
1.28 |
1.25 |
1.42 |
1.35 |
1.22 |
1.25 |
1.2 |
1.48 |
1.45 |
1.3 |
1.35 |
1.55 |
1.4 |
1.35 |
1.35 |
1.3 |
1.3 |
1.3 |
1.5 |
1.6 |
外観 |
茶濁 |
微茶濁 |
微茶濁 |
微茶濁 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
茶色 |
微茶濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
微白濁 |
茶色 |
微白濁 |
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 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.4 |
7.4 |
7.9 |
7.6 |
7.8 |
7.5 |
7.7 |
7.5 |
7.6 |
7.5 |
7.6 |
7.8 |
7.6 |
7.5 |
7.3 |
7.2 |
7.6 |
7.6 |
7.7 |
7.7 |
7.9 |
7.7 |
7.7 |
7.7 |
7.5 |
7.7 |
7.8 |
7.4 |
7.5 |
7.6 |
7.4 |
7.5 |
7.6 |
7.7 |
7.6 |
7.5 |
DO (mg/l) |
12 |
12 |
11 |
9.7 |
9.6 |
10 |
12 |
13 |
14 |
14 |
14 |
14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BOD (mg/l) |
1.1 |
1.4 |
1.5 |
1.0 |
1.5 |
0.9 |
0.7 |
0.6 |
0.8 |
0.6 |
0.9 |
0.8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
COD (mg/l) |
3.2 |
3.1 |
3.1 |
2.7 |
3.8 |
1.7 |
1.6 |
1.5 |
1.7 |
1.5 |
2.0 |
2.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SS (mg/l) |
19 |
12 |
11 |
11 |
13 |
7 |
6 |
5 |
6 |
7 |
12 |
9 |
8 |
7 |
10 |
12 |
8 |
21 |
13 |
8 |
8 |
9 |
8 |
6 |
5 |
6 |
4 |
4 |
6 |
6 |
7 |
8 |
8 |
7 |
11 |
8 |
大腸菌群数 (MPN/100ml) |
490 |
2400 |
4900 |
2200 |
3300 |
7900 |
3300 |
490 |
1700 |
1100 |
790 |
790 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全窒素 (mg/l) |
|
1.1 |
|
1.1 |
|
1.1 |
|
1.1 |
|
1.3 |
|
1.4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全燐 (mg/l) |
|
0.065 |
|
0.046 |
|
0.046 |
|
0.034 |
|
0.043 |
|
0.067 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
カドミウム (mg/l) |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロフィル-a (ug/l) |
|
< 2 |
|
< 2 |
|
< 2 |
|
< 2 |
|
< 2 |
|
3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
透視度 |
35 |
73 |
85 |
55 |
56 |
86 |
80 |
> 100 |
98 |
73 |
46 |
68 |
75 |
78 |
74 |
58 |
86 |
65 |
64 |
76 |
93 |
72 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
86 |
92 |
75 |
76 |
77 |
68 |
81 |
82 |
塩化物イオン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
7 |
|
|
|
10 |
|
|
|
10 |
|
|
|
9 |
|
|
|
10 |
|
カルシウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
|
|
20 |
|
|
|
22 |
|
|
|
22 |
|
|
|
24 |
|
|
|
20 |
|
マグネシウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.6 |
|
|
4.7 |
|
|
|
5.1 |
|
|
|
5.1 |
|
|
|
5.5 |
|
|
|
5.2 |
|
硫酸イオン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
33 |
|
|
32 |
|
|
|
35 |
|
|
|
42 |
|
|
|
41 |
|
|
|
30 |
|
酸度 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
3 |
2 |
2 |
3 |
3 |
3 |
3 |
2 |
2 |
2 |
3 |
2 |
4 |
2 |
3 |
3 |
3 |
2 |
4 |
3 |
2 |
3 |
3 |
3 |
アルカリ度 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
27 |
28 |
17 |
21 |
28 |
39 |
41 |
42 |
48 |
49 |
47 |
35 |
34 |
37 |
39 |
34 |
39 |
41 |
40 |
41 |
40 |
44 |
39 |
31 |
アルミニウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.88 |
1.0 |
0.95 |
1.3 |
0.96 |
2.3 |
1.0 |
1.1 |
0.94 |
1.0 |
0.80 |
0.54 |
0.99 |
1.0 |
0.77 |
0.77 |
0.87 |
1.0 |
1.1 |
1.1 |
1.0 |
0.93 |
1.1 |
0.65 |
鉄(2価) (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.01 |
0.02 |
0.02 |
0.03 |
0.01 |
0.03 |
0.02 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.01 |
< 0.01 |
0.02 |
0.02 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.02 |
鉄(3価) (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.03 |
0.03 |
0.03 |
0.05 |
0.05 |
0.05 |
0.09 |
0.07 |
0.1 |
0.07 |
0.08 |
0.05 |
0.06 |
0.03 |
0.05 |
0.04 |
0.06 |
0.04 |
0.05 |
0.04 |
0.04 |
0.03 |
0.09 |
0.04 |
ほう素 (mg/l) |
|
|
|
< 0.1 |
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
0.76 |
|
0.99 |
|
0.89 |
|
0.97 |
|
1 |
|
1.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|