Water Quality Results

Corryong - Disinfected, unfiltered 
Rolling Year Summary Results for Aug-2009 
 
Last Update Date Wednesday, 23 September 2009
 

Corryong High Level 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  98.1%  Y  0  1 
 
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  3.70  1.8  8.6    53  3.09  Y  1.1  8.6 
 
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
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  .003  Y  0.0025  0.0025    12  .017  0.0025  0.036 
Trichloroacetic Acid  0.1  mg/L   1  .024  Y  0.024  0.024    12  .039  0.02  0.077 
Trihalomethanes  0.25  mg/L   1  .043  Y  0.043  0.043    12  .057  0.037  0.1 
 

Corryong Low Level 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  3.48  2.1  7.2    53  2.81  Y  0.9  7.4 
 
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
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  .003  Y  0.0025  0.0025    12  .010  0.0025  0.024 
Trichloroacetic Acid  0.1  mg/L   1  .009  Y  0.009  0.009    12  .016  0.0025  0.037 
Trihalomethanes  0.25  mg/L   1  .038  Y  0.038  0.038    12  .044  0.019  0.072