|
>>TDS(Total
dissolved solids) |
|
The
unit of TDS is mg/L. The higher the TDS, the more
impurities contains. Generally, we can know the salt
solution by conductivity. The higher the conductivity
the higher the salinity, TDS is higher. High TDS
indicating large number of pollution content, and vice
versa. WHO had set the standards for drinking water
less than 40ppm. |
|
TDS
Testing Result at Plum Tree Creek |
|
Observation
Point |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
|
Low
Flow |
64 |
68 |
76 |
93 |
98 |
86 |
75 |
108 |
155 |
130 |
144 |
160 |
142 |
|
High
Flow |
43 |
54 |
63 |
85 |
89 |
67 |
64 |
98 |
156 |
132 |
140 |
158 |
145 |
|
|
TDS
Statistical
Chart of Plum Tree Creek |
|
 |
|
Analysis:
Origin-
close to soft water
Headstream-
hard water
Midstream-
hard water
Downstream-
hard water
From
the water testing, TDS is getting higher when it’s
close to downstream, which means the water quality is
bad at downstream.
The
water quality is better during high flow. |
|
Reference:
TDS. Wikipedia.
http://zh.wikipedia.org/wiki/
|
Introduction
