| 観測項目 |
水温
(℃) |
pH |
DO
(mg/l) |
導電率
(mS/m) |
濁度
(度) |
アンモニウムイオン
(mg/l) |
塩分濃度
(mg/l) |
COD
(mg/l) |
| 基準値 |
- |
6.5～8.5 |
7.5mg/l以上 |
- |
- |
- |
- |
3.0mg/l以下 |
|
10/20 08:00
|
18.6
|
8.0
|
8.4
|
37.0
|
閉局
|
-
|
-
|
6.9
|
|
09:00
|
18.7
|
8.0
|
8.4
|
37.2
|
閉局
|
-
|
-
|
6.8
|
|
10:00
|
18.6
|
8.1
|
8.4
|
36.6
|
閉局
|
-
|
-
|
7.1
|
|
11:00
|
18.7
|
8.1
|
8.4
|
36.3
|
閉局
|
-
|
-
|
7.1
|
|
12:00
|
18.7
|
8.2
|
8.5
|
34.8
|
閉局
|
-
|
-
|
7.0
|
|
13:00
|
18.8
|
8.2
|
8.5
|
34.1
|
閉局
|
-
|
-
|
7.2
|
|
14:00
|
19.0
|
8.4
|
8.6
|
34.7
|
閉局
|
-
|
-
|
7.3
|
|
15:00
|
18.9
|
8.3
|
8.5
|
33.7
|
閉局
|
-
|
-
|
7.3
|
|
16:00
|
18.9
|
8.3
|
8.5
|
33.5
|
閉局
|
-
|
-
|
7.6
|
|
17:00
|
18.9
|
8.3
|
8.5
|
33.3
|
閉局
|
-
|
-
|
7.4
|
|
18:00
|
18.8
|
8.3
|
8.5
|
33.6
|
閉局
|
-
|
-
|
7.5
|
|
19:00
|
18.8
|
8.3
|
8.5
|
33.5
|
閉局
|
-
|
-
|
7.6
|
|
20:00
|
18.8
|
8.3
|
8.5
|
34.2
|
閉局
|
-
|
-
|
7.4
|
|
21:00
|
18.8
|
8.1
|
8.4
|
37.2
|
閉局
|
-
|
-
|
7.4
|
|
22:00
|
18.8
|
8.1
|
8.4
|
37.5
|
閉局
|
-
|
-
|
7.2
|
|
23:00
|
18.8
|
8.1
|
8.5
|
37.5
|
閉局
|
-
|
-
|
7.2
|
|
24:00
|
18.7
|
8.1
|
8.4
|
37.6
|
閉局
|
-
|
-
|
7.0
|
|
10/21 01:00
|
18.7
|
8.1
|
8.4
|
37.8
|
閉局
|
-
|
-
|
7.4
|
|
02:00
|
18.7
|
8.0
|
8.4
|
37.8
|
閉局
|
-
|
-
|
7.0
|
|
03:00
|
18.6
|
8.0
|
8.4
|
37.7
|
閉局
|
-
|
-
|
7.2
|
|
04:00
|
18.5
|
8.1
|
8.4
|
37.7
|
閉局
|
-
|
-
|
7.0
|
|
05:00
|
18.4
|
8.0
|
8.4
|
38.1
|
閉局
|
-
|
-
|
7.2
|
|
06:00
|
18.3
|
8.0
|
8.4
|
37.1
|
閉局
|
-
|
-
|
7.1
|
|
10/21 07:00
|
18.2
|
8.0
|
8.4
|
36.3
|
閉局
|
-
|
-
|
7.1
|
|
