測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
05452 |
稗貫川 |
L‐18 |
A |
測定結果
採取年月日 |
2012.04.16 |
2012.05.16 |
2012.06.13 |
2012.07.18 |
2012.08.08 |
2012.09.07 |
2012.10.12 |
2012.11.16 |
2012.12.17 |
2013.01.11 |
2013.02.08 |
2013.03.01 |
2012.04.16 |
2012.05.16 |
2012.06.13 |
2012.07.18 |
2012.08.08 |
2012.09.07 |
2012.10.12 |
2012.11.16 |
2012.12.17 |
2013.01.11 |
2013.02.08 |
2013.03.01 |
2012.04.16 |
2012.05.16 |
2012.06.13 |
2012.07.18 |
2012.08.08 |
2012.09.07 |
2012.10.12 |
2012.11.16 |
2012.12.17 |
2013.01.11 |
2013.02.08 |
2013.03.01 |
採取時刻 |
1040 |
1155 |
1210 |
1230 |
1140 |
1150 |
1140 |
1220 |
1115 |
1215 |
1250 |
1110 |
1115 |
1215 |
1230 |
1245 |
1200 |
1205 |
1200 |
1235 |
1130 |
1240 |
1310 |
1130 |
1135 |
1235 |
1255 |
1310 |
1220 |
1230 |
1225 |
1300 |
1150 |
1300 |
1330 |
1200 |
天候 |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
気温 (℃) |
10.8 |
16.8 |
19.5 |
29.6 |
25.4 |
28.4 |
14 |
8 |
7.4 |
-4 |
-3 |
4 |
10.8 |
16.8 |
19.5 |
29.6 |
25.4 |
28.4 |
14 |
8 |
7.4 |
-4 |
-3 |
4 |
10.8 |
16.8 |
19.5 |
29.6 |
25.4 |
28.4 |
14 |
8 |
7.4 |
-4 |
-3 |
4 |
水温 (℃) |
7.3 |
11.3 |
18.8 |
18.9 |
24.6 |
25.3 |
16 |
9.5 |
4.3 |
1.1 |
1.3 |
0.3 |
3.6 |
3.7 |
3.9 |
4.4 |
4.2 |
4.3 |
4.5 |
7.7 |
4 |
2.8 |
2.3 |
2 |
3.9 |
3.6 |
3.8 |
4 |
4.2 |
4.1 |
4.3 |
4.6 |
4.1 |
3.8 |
3.8 |
3.8 |
採取水深 (m) |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
20.15 |
19.25 |
19.75 |
19.55 |
19.25 |
15.35 |
16.4 |
19.1 |
19.1 |
23.25 |
23.25 |
22.75 |
39.3 |
37.5 |
38.5 |
38.1 |
37.5 |
29.7 |
31.8 |
37.2 |
37.2 |
45.5 |
45.5 |
44.5 |
全水深 (m) |
40.3 |
38.5 |
39.5 |
39.1 |
38.5 |
30.7 |
32.8 |
38.2 |
38.2 |
46.5 |
46.5 |
45.5 |
40.3 |
38.5 |
39.5 |
39.1 |
38.5 |
30.7 |
32.8 |
38.2 |
38.2 |
46.5 |
46.5 |
45.5 |
40.3 |
38.5 |
39.5 |
39.1 |
38.5 |
30.7 |
32.8 |
38.2 |
38.2 |
46.5 |
46.5 |
45.5 |
透明度 (m) |
3.8 |
3.0 |
2.8 |
1.8 |
4.3 |
3.5 |
2.5 |
4.7 |
4.5 |
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pH |
7.0 |
7.4 |
7.3 |
7.3 |
7.4 |
7.4 |
7.2 |
7.3 |
7.1 |
7.0 |
6.9 |
7.5 |
7.0 |
7.2 |
7.2 |
7.1 |
7.1 |
7.1 |
6.9 |
7.1 |
7.1 |
7.1 |
6.9 |
7.5 |
6.8 |
6.9 |
6.9 |
6.9 |
6.8 |
6.9 |
6.8 |
6.9 |
7.1 |
7.0 |
6.7 |
7.4 |
DO (mg/l) |
12 |
11 |
9.7 |
12 |
10 |
8.8 |
9.7 |
10 |
12 |
14 |
15 |
13 |
12 |
11 |
10 |
11 |
9.0 |
8.3 |
5.8 |
10 |
12 |
12 |
14 |
13 |
5.9 |
6.2 |
2.9 |
6.1 |
1.2 |
4.6 |
1.3 |
2.5 |
11 |
10 |
9.4 |
6.3 |
BOD (mg/l) |
0.7 |
0.6 |
1.1 |
1.7 |
0.8 |
1.3 |
1.4 |
< 0.5 |
0.5 |
1.2 |
0.5 |
0.9 |
< 0.5 |
< 0.5 |
0.5 |
1.2 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
0.5 |
0.6 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
0.6 |
1.0 |
0.7 |
< 0.5 |
0.5 |
< 0.5 |
0.8 |
0.5 |
< 0.5 |
0.5 |
COD (mg/l) |
1.5 |
1.4 |
1.8 |
2.6 |
1.3 |
1.4 |
3.3 |
2.6 |
1.6 |
1.4 |
1.2 |
1.3 |
2.2 |
2.7 |
1.4 |
1.2 |
1.2 |
1.4 |
1.3 |
2.0 |
1.5 |
1.4 |
1.3 |
1.4 |
2.0 |
1.2 |
1.4 |
1.1 |
2.9 |
< 0.5 |
1.4 |
1.6 |
1.6 |
1.4 |
1.6 |
1.4 |
SS (mg/l) |
< 1 |
1 |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
< 1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
2 |
2 |
1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
2.4E+02 |
1.1E+01 |
1.1E+01 |
1.3E+02 |
6.8E+00 |
4.9E+01 |
2.3E+01 |
7.9E+01 |
3.3E+01 |
7.8E+00 |
4.5E+00 |
7.8E+00 |
4.9E+02 |
4.5E+00 |
4.5E+00 |
3.3E+02 |
3.3E+01 |
4.9E+01 |
3.3E+01 |
2.4E+02 |
2.3E+01 |
3.3E+01 |
4.5E+00 |
2.0E+00 |
3.3E+01 |
2.0E+00 |
2.0E+00 |
2.6E+02 |
3.3E+01 |
7.9E+01 |
1.7E+01 |
3.3E+01 |
4.9E+01 |
7.8E+00 |
2.0E+00 |
2.0E+00 |
全窒素 (mg/l) |
0.81 |
0.66 |
0.34 |
0.50 |
0.45 |
0.30 |
0.54 |
0.54 |
0.55 |
0.51 |
0.57 |
0.40 |
0.84 |
0.79 |
0.84 |
0.75 |
0.80 |
0.72 |
0.74 |
0.56 |
0.55 |
0.53 |
0.59 |
0.56 |
0.52 |
0.56 |
0.56 |
0.61 |
1.0 |
0.60 |
0.66 |
0.67 |
0.56 |
0.53 |
0.66 |
0.61 |
全燐 (mg/l) |
0.010 |
0.006 |
0.008 |
0.013 |
0.009 |
0.008 |
0.012 |
0.006 |
0.014 |
0.006 |
0.006 |
0.012 |
0.007 |
0.006 |
0.006 |
0.007 |
0.005 |
0.005 |
0.004 |
0.005 |
0.009 |
0.008 |
0.003 |
0.004 |
0.004 |
0.016 |
0.010 |
0.007 |
0.009 |
0.008 |
0.013 |
0.005 |
0.010 |
0.016 |
0.004 |
0.005 |
カドミウム (mg/l) |
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< 0.0003 |
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全シアン (mg/l) |
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N |
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鉛 (mg/l) |
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< 0.002 |
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六価クロム (mg/l) |
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< 0.02 |
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砒素 (mg/l) |
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< 0.001 |
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総水銀 (mg/l) |
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< 0.0005 |
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アルキル水銀 (mg/l) |
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N |
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PCB (mg/l) |
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N |
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ジクロロメタン (mg/l) |
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< 0.002 |
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四塩化炭素 (mg/l) |
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< 0.0002 |
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1,2-ジクロロエタン (mg/l) |
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< 0.0004 |
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1,1-ジクロロエチレン (mg/l) |
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< 0.002 |
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シス-1,2-ジクロロエチレン (mg/l) |
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< 0.004 |
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1,1,1-トリクロロエタン (mg/l) |
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< 0.0005 |
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1,1,2-トリクロロエタン (mg/l) |
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< 0.0006 |
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トリクロロエチレン (mg/l) |
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< 0.002 |
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テトラクロロエチレン (mg/l) |
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< 0.0005 |
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1,3-ジクロロプロペン (mg/l) |
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< 0.0002 |
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チウラム (mg/l) |
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< 0.0006 |
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シマジン (mg/l) |
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< 0.0003 |
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チオベンカルブ (mg/l) |
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< 0.002 |
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ベンゼン (mg/l) |
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< 0.001 |
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セレン (mg/l) |
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< 0.002 |
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亜硝酸性窒素 (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 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 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 |
< 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 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
クロロフィル-a (ug/l) |
< 1 |
3 |
2 |
2 |
3 |
2 |
5 |
< 1 |
< 1 |
2 |
1 |
5 |
< 1 |
< 1 |
< 1 |
4 |
2 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
2 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
プランクトン(優占種) |
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Asterionel |
Asterionel |
Cyclotella |
Cyclotella |
Cyclotella |
Oocystis s |
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硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.7 |
0.4 |
0.2 |
0.3 |
0.3 |
0.2 |
0.4 |
0.5 |
0.5 |
0.4 |
0.4 |
0.3 |
0.7 |
0.7 |
0.8 |
0.7 |
0.7 |
0.7 |
0.7 |
0.5 |
0.5 |
0.5 |
0.4 |
0.4 |
0.4 |
0.5 |
0.5 |
0.5 |
< 0.2 |
0.5 |
0.5 |
0.6 |
0.5 |
0.5 |
0.4 |
0.5 |