Water Quality Results

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

Chiltern 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 		4  .000  0  0    31  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   4  .14  0.05  0.2    31  .19  Y  0.05  0.6 
 
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  .040  Y  0.04  0.04    6  .035  0.02  0.06 
Chloroacetic Acid  0.15  mg/L   1  .003  Y  0.0025  0.0025    6  .003  0.0025  0.0025 
Dichloroacetic Acid  0.1  mg/L   1  .014  Y  0.014  0.014    6  .010  0.0025  0.015 
Trichloroacetic Acid  0.1  mg/L   1  .013  Y  0.013  0.013    6  .008  0.0025  0.013 
Trihalomethanes  0.25  mg/L   1  .034  Y  0.034  0.034    6  .040  0.024  0.067