Sunday, January 23, 2011

RIVER AUDITING : SUNGAI TAMAN TASIK UTAMA AYER KEROH

River water quality was conducted at Sungai Taman Tasik Utama Ayer Keroh on 20/01/2011.

The parties involved in this studies are:


Senior technichian : Hj. Farnoh bin Salam
Technicians : Pn Rosleeza binti Asman
: En Kamarul Hazman bin Abu Hurairah

Practical Students : Siti Hajar bt Abdol Gani

: Nur Amirah bt Sulaiman

Sungai Taman Tasik Utama Ayer Keroh

Methodology
The study was monitored by using physical, chemical and biological parameters.

Material and apparatus used to conduct the river auditing study


Chemical monitoring to analyze the quality of water and determine specific pollutants

Biological monitoring to determine how suitable waterbody is for the support of aquatic life

Results :

Physical Monitoring

Attribute

Observation

Color & Appearance

Green

Smell

Little odor

Vegetation

Present

Animals

Present

Activities

Land use, human activities, points of interest

Chemical monitoring

Variable

Appearance

Result

Rank

pH

Greenish

7

Excellent

DO

White pink

48% sat

Poor

Turbidity

Slightly clear

40 JTU

Fair

Phosphate

Blue

2 ppm

Good

Nitrate

Red

20ppm

Poor

Temperature

Initial = 24oC

Final = 28oC

2oC

Excellent

Biological Monitoring

Animal

Score

Dragonfly nymphs

6

Non-biting midge larvae

2

Other snails

3

River prawns

8

Total score

19

Number of animal type

4

Biological Water Quality Index

4.75: rather dirty water- average


Conclusion
River at Taman Tasik Utama was slightly polluted. The pollution in water affect amount of oxygen present. For example fertilizers, detergent, organic waste and sewage all decrease amount of oxygen in water.