測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 05655 |
猿ヶ石川 |
小友橋（流入点） |
A |
測定結果
| 採取年月日 |
1994.04.25 |
1994.05.18 |
1994.06.08 |
1994.07.13 |
1994.08.17 |
1994.09.21 |
1994.10.12 |
1994.11.09 |
1994.12.14 |
1995.01.18 |
1995.02.08 |
1995.03.08 |
| 採取時刻 |
0950 |
1000 |
0945 |
1025 |
0930 |
1100 |
1000 |
1010 |
1000 |
1025 |
0953 |
1000 |
| 天候 |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
| 気温 (℃) |
17.0 |
18.0 |
22.5 |
28.0 |
34.0 |
21.0 |
20.0 |
17.3 |
4.0 |
0.1 |
2.0 |
7.0 |
| 水温 (℃) |
11.5 |
13.0 |
16.0 |
20.0 |
25.0 |
19.0 |
15.0 |
8.1 |
5.0 |
6.0 |
2.3 |
4.0 |
| 流量 (m3/s) |
2.30 |
3.62 |
1.86 |
1.28 |
.56 |
3.33 |
2.07 |
1.11 |
.96 |
.56 |
.27 |
.27 |
| pH |
8.2 |
7.8 |
8.6 |
8.3 |
8.4 |
7.9 |
7.9 |
8.4 |
7.9 |
7.7 |
7.8 |
8.3 |
| DO (mg/l) |
11.0 |
10.0 |
10.0 |
10.0 |
9.3 |
9.3 |
9.9 |
13.0 |
13.0 |
14.0 |
14.0 |
14.0 |
| BOD (mg/l) |
1.4 |
0.8 |
0.7 |
0.5 |
0.9 |
0.8 |
0.5 |
0.7 |
0.9 |
0.8 |
0.5 |
0.7 |
| COD (mg/l) |
1.7 |
2.1 |
1.8 |
1.3 |
1.4 |
1.1 |
0.8 |
0.9 |
1.2 |
1.1 |
1.0 |
1.2 |
| SS (mg/l) |
3 |
6 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
1 |
| 大腸菌群数 (MPN/100ml) |
3.3E+02 |
4.9E+02 |
7.9E+02 |
7.9E+02 |
4.9E+02 |
4.9E+03 |
3.3E+02 |
7.9E+01 |
4.9E+01 |
2.3E+01 |
7.9E+01 |
3.3E+01 |
| 全窒素 (mg/l) |
|
0.85 |
|
0.63 |
|
0.71 |
|
0.93 |
|
0.68 |
|
0.56 |
| 全燐 (mg/l) |
|
0.036 |
|
0.019 |
|
0.014 |
|
0.004 |
|
0.012 |
|
0.008 |
| 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) |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
| 砒素 (mg/l) |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
| 総水銀 (mg/l) |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
| アンモニア性窒素 (mg/l) |
|
00.100 |
|
00.100 |
|
00.100 |
|
00.100 |
|
00.100 |
|
00.100 |
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |