Water Quality Results

Walwa - Full treatment 
Rolling Year Summary Results for Aug-2009 
 
Last Update Date Wednesday, 23 September 2009
 

Walwa Supply 

Bacteriological This Period   Rolling 12 Months
Limit Units # Samples % samples with no E.Coli Min Test Value Max Test Value   # Samples % samples with no E.Coli Comply Y/N Min Test Value Max Test Value
Escherichia Coli  98%=0 orgs/
100mL 		5  .000  0  0    53  100.0%  Y  0  0 
 
Physical This Period   Rolling 12 Months
Limit Units # Samples Mean Value Min Test Value Max Test Value   # Samples 95% UCL of the Mean Comply Y/N Min Test Value Max Test Value
Turbidity  5.0  NTU   5  .66  0.2  1.9    53  .40  Y  0.05  1.9 
 
Chemicals or
By-Products of
Treatment/
Disinfection 		This Period   Rolling 12 Months
Limit Units # Samples Mean Value Comply Y/N Min Test Value Max Test Value   # Samples Mean Value Min Test Value Max Test Value
Aluminium  0.2  mg/L   1  .070  Y  0.07  0.07    13  .075  0.02  0.2 
Chloroacetic Acid  0.15  mg/L   1  .003  Y  0.0025  0.0025    12  .003  0.0025  0.0025 
Dichloroacetic Acid  0.1  mg/L   1  .011  Y  0.011  0.011    12  .016  0.008  0.027 
Trichloroacetic Acid  0.1  mg/L   1  .012  Y  0.012  0.012    12  .018  0.009  0.031 
Trihalomethanes  0.25  mg/L   1  .022  Y  0.022  0.022    12  .035  0.015  0.069