Blue Drop System - Drinking Water Quality Regulation

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Compliance Overview

<< January 2010
Current Drinking Water Quality Status of South Africa.

Compliance percentages are calculated only from submitted data. 
 
Province Submission Ratio* Microbiological Compliance* Chemical Compliance*
 Health* Non Health*
Dec 09 Jan 10 Dec 09 Jan 10 Dec 09 Jan 10 Dec 09 Jan 10
Eastern Cape 1 : 11,746  1 : 15,510  90%  92%  99%  97%  90%  94% 
Free State 1 : 9,207  1 : 11,188  94%  94%  99%  100%  95%  98% 
Gauteng 1 : 13,119  1 : 12,476  99%  98%  95%  97%  100%  99% 
Kwazulu-Natal 1 : 10,650  1 : 11,194  95%  95%  99%  99%  85%  83% 
Limpopo 1 : 16,095  1 : 27,021  97%  99%  93%  97%  96%  96% 
Mpumalanga 1 : 8,723  1 : 9,633  89%  94%  97%  97%  89%  88% 
North West 1 : 15,332  1 : 21,783  86%  90%  100%  100%  99%  96% 
Northern Cape 1 : 2,968  1 : 3,509  87%  93%  98%  95%  92%  92% 
Western Cape 1 : 9,449  1 : 9,090  95%  96%  91%  89%  95%  94% 
Bulk Suppliers 1 : 0  1 : 0  97%  95%  100%  99%  97%  90% 
National 1 : 9,974  1 : 11,526  94%  95%  97%  96%  93%  93% 
 
Submission Ratio*
The number of sites that submitted results in relation to the total population with access to water. The SANS 241 Std requires a minimum of 1 : 10 000 Ratio.
 
Microbiological Compliance*
Microbial water quality is the state of the water with respect to the absence (good water quality) or presence (poor water quality) of micro-organisms. Microbial water quality is usually indicated by reporting the count (number) of indicator organisms present in a given volume of water. SANS 241 requires a 97% compliance
 
Chemical Compliance Health*
Physical: Water Quality properties determined by intrinsic characteristics which include conductivity, pH and turbidity. Organoleptic: Determinants that affects the smell, taste and appearance of water. Chemical water quality refers to the nature and concentration of dissolved substances such as salts, metals and organic chemicals. All determinants with a possible threat to health are listed. SANS 241 requires a min 85% compliance.
 
Chemical Compliance Non Health*
Physical: Water Quality properties determined by intrinsic characteristics which include conductivity, pH and turbidity. Organoleptic: Determinants that affects the smell, taste and appearance of water. Chemical water quality refers to the nature and concentration of dissolved substances such as salts, metals and organic chemicals. In this category all determinants listed have no threat to human health. SANS 241 requires a min 85% compliance.
 
 
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