| 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 |
|
04/20 15:00
|
18.2
|
9.8
|
9.0
|
26.0
|
閉局
|
-
|
-
|
9.0
|
|
16:00
|
18.4
|
9.8
|
8.9
|
26.0
|
閉局
|
-
|
-
|
9.1
|
|
17:00
|
18.4
|
9.8
|
8.9
|
26.0
|
閉局
|
-
|
-
|
9.2
|
|
18:00
|
18.3
|
9.8
|
8.9
|
25.1
|
閉局
|
-
|
-
|
9.2
|
|
19:00
|
18.2
|
9.8
|
9.0
|
25.0
|
閉局
|
-
|
-
|
9.0
|
|
20:00
|
18.1
|
9.8
|
9.0
|
25.1
|
閉局
|
-
|
-
|
8.9
|
|
21:00
|
17.6
|
9.7
|
8.9
|
25.0
|
閉局
|
-
|
-
|
9.1
|
|
22:00
|
17.3
|
9.6
|
8.9
|
26.7
|
閉局
|
-
|
-
|
9.0
|
|
23:00
|
17.2
|
9.5
|
8.9
|
27.4
|
閉局
|
-
|
-
|
8.8
|
|
24:00
|
17.5
|
9.6
|
8.9
|
27.4
|
閉局
|
-
|
-
|
8.9
|
|
04/21 01:00
|
17.6
|
9.6
|
8.9
|
27.5
|
閉局
|
-
|
-
|
8.6
|
|
02:00
|
17.4
|
9.6
|
8.9
|
27.5
|
閉局
|
-
|
-
|
8.4
|
|
03:00
|
17.2
|
9.5
|
8.8
|
26.9
|
閉局
|
-
|
-
|
8.3
|
|
04:00
|
17.1
|
9.5
|
8.8
|
27.2
|
閉局
|
-
|
-
|
8.7
|
|
05:00
|
17.4
|
9.6
|
8.9
|
26.8
|
閉局
|
-
|
-
|
8.7
|
|
06:00
|
17.1
|
9.6
|
8.9
|
26.7
|
閉局
|
-
|
-
|
8.1
|
|
07:00
|
17.2
|
9.6
|
8.9
|
26.2
|
閉局
|
-
|
-
|
8.1
|
|
08:00
|
17.3
|
9.6
|
8.9
|
25.9
|
閉局
|
-
|
-
|
8.5
|
|
09:00
|
17.7
|
9.6
|
9.0
|
26.1
|
閉局
|
-
|
-
|
8.5
|
|
10:00
|
18.2
|
9.7
|
9.0
|
26.3
|
閉局
|
-
|
-
|
8.5
|
|
11:00
|
18.6
|
9.7
|
8.9
|
27.1
|
閉局
|
-
|
-
|
8.3
|
|
12:00
|
19.1
|
9.8
|
8.8
|
27.7
|
閉局
|
-
|
-
|
8.3
|
|
13:00
|
19.3
|
9.7
|
8.8
|
28.8
|
閉局
|
-
|
-
|
8.4
|
|
04/21 14:00
|
19.6
|
9.7
|
8.7
|
29.6
|
閉局
|
-
|
-
|
8.3
|
|
