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 |
2005.04.15 |
2005.05.17 |
2005.06.20 |
2005.07.15 |
2005.08.19 |
2005.09.15 |
2005.10.13 |
2005.11.15 |
2005.12.09 |
2006.01.13 |
2006.02.13 |
2006.03.01 |
2005.04.15 |
2005.05.17 |
2005.06.20 |
2005.07.15 |
2005.08.19 |
2005.09.15 |
2005.10.13 |
2005.11.15 |
2005.12.09 |
2006.01.13 |
2006.02.13 |
2006.03.01 |
2005.04.15 |
2005.05.17 |
2005.06.20 |
2005.07.15 |
2005.08.19 |
2005.09.15 |
2005.10.13 |
2005.11.15 |
2005.12.09 |
2006.01.13 |
2006.02.13 |
2006.03.01 |
採取時刻 |
0900 |
1150 |
1147 |
1130 |
1309 |
1130 |
1153 |
1110 |
1250 |
1257 |
1312 |
1239 |
0850 |
1133 |
1135 |
1122 |
1251 |
1115 |
1140 |
1055 |
1235 |
1242 |
1258 |
1224 |
0835 |
1114 |
1117 |
1109 |
1242 |
1055 |
1135 |
1045 |
1220 |
1230 |
1245 |
1213 |
天候 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雪 |
雪 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雪 |
雪 |
気温 (℃) |
11.4 |
16.8 |
26 |
26 |
32 |
20 |
18 |
4 |
4 |
-4 |
-1 |
0.8 |
11.4 |
16.8 |
26 |
26 |
32 |
20 |
18 |
4 |
3.8 |
-4 |
-1 |
0.8 |
9.6 |
16.8 |
26 |
26 |
32 |
20 |
18 |
4 |
3.6 |
-4 |
-1 |
0.8 |
水温 (℃) |
9.6 |
5.3 |
4.4 |
4.8 |
4.9 |
5 |
5.2 |
5.3 |
4.8 |
3.9 |
4.3 |
4.3 |
6.5 |
5.8 |
4.9 |
5.3 |
5.3 |
5.9 |
9.5 |
5.7 |
4.6 |
3.1 |
2.6 |
3.1 |
7.3 |
14.1 |
15.4 |
15.8 |
20.9 |
21.1 |
15.8 |
9.3 |
5 |
1 |
0.7 |
1.7 |
採取水深 (m) |
33 |
42.8 |
32.9 |
36.8 |
36.4 |
33 |
36.7 |
44 |
37.6 |
34.1 |
30.6 |
29.6 |
17 |
21.9 |
17 |
18.9 |
18.7 |
17 |
18.9 |
22.5 |
19.3 |
17.6 |
15.8 |
15.3 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
全水深 (m) |
34 |
43.8 |
33.9 |
37.8 |
37.4 |
34 |
37.7 |
45 |
38.6 |
35.1 |
31.6 |
30.6 |
34 |
43.8 |
33.9 |
37.8 |
37.4 |
34 |
37.7 |
45 |
38.6 |
35.1 |
31.6 |
30.6 |
34 |
43.8 |
33.9 |
37.8 |
37.4 |
34 |
37.7 |
45 |
38.6 |
35.1 |
31.6 |
30.6 |
前日までの降雨状況 |
なし |
なし |
なし |
前日雨 |
なし |
前日雨 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
前日雨 |
なし |
前日雨 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
前日雨 |
なし |
前日雨 |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7 |
6.9 |
7 |
6.8 |
6.9 |
6.8 |
6.7 |
7 |
7.1 |
7.1 |
6.9 |
6.9 |
7.3 |
7 |
7.3 |
7 |
7 |
6.9 |
6.8 |
7.1 |
7.3 |
7.2 |
7.1 |
7.2 |
7.5 |
7.2 |
8.3 |
7.5 |
8.3 |
7.4 |
7.6 |
7.4 |
7.3 |
7.2 |
7.3 |
7.4 |
DO (mg/l) |
7.1 |
0.9 |
8.5 |
7.2 |
7.9 |
7 |
2.8 |
1 |
10 |
7.3 |
6 |
5.6 |
13 |
10 |
9.8 |
8.8 |
8.3 |
6.6 |
4.8 |
4.7 |
11 |
11 |
10 |
12 |
12 |
11 |
10 |
10 |
9.5 |
9.2 |
9.9 |
9.6 |
9.2 |
14 |
13 |
13 |
BOD (mg/l) |
0.8 |
1.1 |
< 0.5 |
0.6 |
< 0.5 |
0.5 |
< 0.5 |
0.8 |
< 0.5 |
0.5 |
0.5 |
0.7 |
1.7 |
0.6 |
0.5 |
0.6 |
< 0.5 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
0.9 |
0.8 |
1.9 |
1.7 |
0.8 |
1 |
0.9 |
0.5 |
1.6 |
< 0.5 |
0.6 |
< 0.5 |
1.3 |
0.8 |
2.3 |
COD (mg/l) |
1.6 |
3 |
1.3 |
1.5 |
1.4 |
1.4 |
1.7 |
2.4 |
1.6 |
1.4 |
1.6 |
1.8 |
1.3 |
1.3 |
1.1 |
1.7 |
1.3 |
1.4 |
2.3 |
1.6 |
1.6 |
1.4 |
1.3 |
1.5 |
1.5 |
1.6 |
1.4 |
2.6 |
1.9 |
2.5 |
2.2 |
2.3 |
1.9 |
1.5 |
1.2 |
1.4 |
SS (mg/l) |
1 |
5 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
1 |
1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
2 |
2 |
< 1.8 |
4.5 |
490 |
240 |
49 |
13 |
33 |
11 |
2 |
2 |
8 |
< 1.8 |
2 |
49 |
490 |
130 |
22 |
2 |
17 |
8 |
2 |
33 |
17 |
2 |
2 |
33 |
220 |
240 |
33 |
170 |
33 |
110 |
170 |
2 |
全窒素 (mg/l) |
0.52 |
0.64 |
0.7 |
0.6 |
0.63 |
0.65 |
0.66 |
0.62 |
0.45 |
0.49 |
0.5 |
0.51 |
0.69 |
0.67 |
0.7 |
0.58 |
0.62 |
0.61 |
0.51 |
0.6 |
0.46 |
0.48 |
0.47 |
0.87 |
0.58 |
0.46 |
0.36 |
0.5 |
0.3 |
0.53 |
0.46 |
0.46 |
0.52 |
0.4 |
0.45 |
0.65 |
全燐 (mg/l) |
0.008 |
0.018 |
0.002 |
0.016 |
0.004 |
0.004 |
< 0.002 |
0.008 |
0.005 |
0.003 |
0.004 |
0.003 |
0.008 |
< 0.002 |
0.003 |
< 0.002 |
0.004 |
0.005 |
0.003 |
0.004 |
0.003 |
0.002 |
0.004 |
0.008 |
0.007 |
0.003 |
0.005 |
0.013 |
0.008 |
0.012 |
0.005 |
0.005 |
0.005 |
0.003 |
0.004 |
0.005 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
< 0.01 |
0.15 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
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) |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
7 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
プランクトン(優占種) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ホシガタケ |
ホシガタケ |
コマルケイ |
Uroglena a |
コマルケイ |
Pandorina |
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.43 |
0.05 |
0.58 |
0.56 |
0.57 |
0.56 |
0.46 |
0.16 |
0.36 |
0.38 |
0.36 |
0.26 |
0.59 |
0.57 |
0.54 |
0.55 |
0.55 |
0.52 |
0.41 |
0.54 |
0.4 |
0.43 |
0.42 |
0.44 |
0.53 |
0.31 |
0.21 |
0.37 |
0.17 |
0.26 |
0.29 |
0.35 |
0.43 |
0.37 |
0.37 |
0.22 |