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 |
2017.04.14 |
2017.04.14 |
2017.04.14 |
2017.05.17 |
2017.05.17 |
2017.05.17 |
2017.06.14 |
2017.06.14 |
2017.06.14 |
2017.07.21 |
2017.07.21 |
2017.07.21 |
2017.08.07 |
2017.08.07 |
2017.08.07 |
2017.09.08 |
2017.09.08 |
2017.09.08 |
2017.10.06 |
2017.10.06 |
2017.10.06 |
2017.11.13 |
2017.11.13 |
2017.11.13 |
2017.12.08 |
2017.12.08 |
2017.12.08 |
2018.01.15 |
2018.01.15 |
2018.01.15 |
2018.02.02 |
2018.02.02 |
2018.02.02 |
2018.03.07 |
2018.03.07 |
2018.03.07 |
採取時刻 |
1110 |
1130 |
1150 |
1138 |
1200 |
1230 |
1130 |
1150 |
1225 |
1120 |
1210 |
1305 |
1115 |
1145 |
1215 |
1155 |
1235 |
1310 |
1105 |
1150 |
1230 |
1200 |
1225 |
1300 |
1117 |
1200 |
1240 |
1550 |
1625 |
1650 |
1424 |
1451 |
1527 |
1455 |
1525 |
1600 |
天候 |
快晴 |
快晴 |
快晴 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
14.5 |
14.5 |
14.5 |
16 |
16 |
16 |
20.5 |
20.5 |
20.5 |
30 |
30.5 |
31.5 |
29 |
29 |
29 |
25 |
25 |
25.2 |
20.8 |
20.4 |
20.2 |
11.6 |
12 |
12.1 |
4.5 |
4.5 |
4.5 |
-1.0 |
-1.8 |
-2 |
2 |
3 |
3.2 |
1.5 |
1.4 |
2 |
水温 (℃) |
5.9 |
4.1 |
3.9 |
13.2 |
4.7 |
4.1 |
14.7 |
4.7 |
4.2 |
23.9 |
5 |
4.3 |
24.9 |
5 |
4.4 |
20.8 |
5.1 |
4.6 |
13.5 |
5.2 |
4.7 |
9.6 |
5.8 |
5 |
5.2 |
5.1 |
4.9 |
1.7 |
3.2 |
3.8 |
0.5 |
3.4 |
4.2 |
0.8 |
2.8 |
4.1 |
採取水深 (m) |
0.5 |
19 |
37 |
0.5 |
19 |
37 |
0.5 |
19 |
37 |
0.5 |
19 |
37.5 |
0.5 |
19 |
37 |
0.5 |
20 |
39 |
0.5 |
19.9 |
39.3 |
0.5 |
20 |
39.5 |
0.5 |
19.2 |
37.8 |
0.5 |
20 |
40 |
0.5 |
22.5 |
43 |
0.5 |
23 |
45 |
全水深 (m) |
38.6 |
38.6 |
38.6 |
37.9 |
37.9 |
37.9 |
38.3 |
38.3 |
38.3 |
38.5 |
38.5 |
38.5 |
37.8 |
37.8 |
37.8 |
40 |
40 |
40 |
39.8 |
39.8 |
39.8 |
40.5 |
40.5 |
40.5 |
38.3 |
38.3 |
38.3 |
42 |
42 |
42 |
44 |
44 |
44 |
46 |
46 |
46 |
透明度 (m) |
4.3 |
|
|
2.3 |
|
|
4.3 |
|
|
3.2 |
|
|
3.8 |
|
|
3 |
|
|
3 |
|
|
5 |
|
|
4.5 |
|
|
|
|
|
|
|
|
|
|
|
外観 |
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 |
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 |
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 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
流況 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
平水 |
pH |
7.3 |
7.3 |
7.1 |
7.9 |
7.2 |
6.9 |
7.6 |
7.1 |
7.0 |
7.5 |
7.1 |
7.0 |
7.9 |
7.0 |
6.8 |
7.5 |
7.0 |
7.3 |
7.3 |
7.2 |
6.7 |
7.3 |
6.7 |
6.7 |
7.1 |
6.6 |
6.9 |
7.6 |
7.3 |
7.1 |
7.3 |
7.3 |
7.1 |
7.5 |
7.4 |
7.0 |
DO (mg/l) |
13 |
13 |
8.6 |
13 |
12 |
8.8 |
11 |
11 |
11 |
12 |
10 |
8.2 |
10 |
9.0 |
8.5 |
13 |
11 |
6.0 |
10 |
7.0 |
5.9 |
11 |
5.7 |
5.1 |
10 |
11 |
9.7 |
14 |
13 |
10 |
15 |
13 |
13 |
13 |
13 |
10 |
BOD (mg/l) |
0.9 |
0.5 |
< 0.5 |
0.6 |
0.8 |
0.7 |
0.5 |
0.5 |
0.5 |
1.2 |
< 0.5 |
< 0.5 |
0.7 |
0.5 |
< 0.5 |
0.5 |
< 0.5 |
0.8 |
< 0.5 |
< 0.5 |
0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.6 |
0.6 |
0.6 |
< 0.5 |
< 0.5 |
< 0.5 |
0.7 |
1.2 |
< 0.5 |
0.7 |
< 0.5 |
< 0.5 |
COD (mg/l) |
1.8 |
1.3 |
1.5 |
1.8 |
1.3 |
1.4 |
2.1 |
1.2 |
1.6 |
2.1 |
1.2 |
1.2 |
1.8 |
1.0 |
1.1 |
2.4 |
1.1 |
1.9 |
2.0 |
2.0 |
1.5 |
1.6 |
1.1 |
1.0 |
1.2 |
1.3 |
1.5 |
1.5 |
1.5 |
1.3 |
2.0 |
1.3 |
0.9 |
1.4 |
0.8 |
1.0 |
SS (mg/l) |
< 1 |
1 |
1 |
1 |
< 1 |
< 1 |
1 |
< 1 |
2 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
1 |
4 |
< 1 |
< 1 |
1 |
< 1 |
1 |
2 |
< 1 |
< 1 |
3 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
大腸菌群数 (MPN/100ml) |
4.5E+00 |
< 1.8E+00 |
< 1.8E+00 |
1.7E+01 |
4.5E+00 |
2.0E+00 |
2.4E+02 |
1.3E+02 |
4.9E+01 |
2.4E+02 |
7.0E+01 |
1.1E+02 |
2.6E+01 |
1.4E+02 |
2.3E+01 |
7.0E+01 |
2.2E+02 |
2.7E+02 |
1.4E+02 |
4.9E+02 |
3.3E+02 |
7.8E+00 |
1.3E+01 |
3.3E+01 |
3.3E+01 |
1.3E+01 |
3.3E+01 |
< 1.8E+00 |
4.5E+00 |
< 1.8E+00 |
2.6E+01 |
2.0E+00 |
2.0E+00 |
4.5E+00 |
< 2.0E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.44 |
0.36 |
0.38 |
0.27 |
0.40 |
0.44 |
0.49 |
0.39 |
0.40 |
0.39 |
0.44 |
0.50 |
0.32 |
0.44 |
0.39 |
0.29 |
0.44 |
0.68 |
0.27 |
0.37 |
0.55 |
0.22 |
0.37 |
0.47 |
0.25 |
0.26 |
0.38 |
0.40 |
0.30 |
0.26 |
0.69 |
0.49 |
0.31 |
0.47 |
0.30 |
0.41 |
全燐 (mg/l) |
0.005 |
0.005 |
0.004 |
0.012 |
0.004 |
0.004 |
0.007 |
0.003 |
0.006 |
0.011 |
0.002 |
0.004 |
0.013 |
0.002 |
0.002 |
0.011 |
0.002 |
0.017 |
0.007 |
0.007 |
0.004 |
0.005 |
0.004 |
0.005 |
0.005 |
0.005 |
0.007 |
0.009 |
0.004 |
0.004 |
0.040 |
0.021 |
0.005 |
0.087 |
0.004 |
0.006 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
亜硝酸性窒素 (mg/l) |
< 0.002 |
< 0.002 |
0.002 |
0.002 |
< 0.002 |
0.003 |
0.003 |
< 0.002 |
0.004 |
0.004 |
< 0.002 |
< 0.002 |
0.003 |
< 0.002 |
< 0.002 |
0.002 |
< 0.002 |
0.005 |
0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
クロロフィル-a (ug/l) |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
3 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
2 |
1 |
< 1 |
2 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
2 |
1 |
< 1 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
透視度 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
> 50 |
プランクトン(優占種) |
|
|
|
Asterionel |
|
|
chlorella |
|
|
Cyclotella |
|
|
Cyclotella |
|
|
Acanthocer |
|
|
Cyclotella |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.36 |
0.31 |
0.35 |
0.19 |
0.33 |
0.31 |
0.34 |
0.34 |
0.34 |
0.19 |
0.34 |
0.37 |
0.16 |
0.35 |
0.37 |
0.17 |
0.35 |
0.17 |
0.22 |
0.24 |
0.38 |
0.20 |
0.37 |
0.37 |
0.25 |
0.26 |
0.30 |
0.35 |
0.28 |
0.25 |
0.31 |
0.32 |
0.30 |
0.35 |
0.29 |
0.34 |