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EF/ ICR Logo National Source Water (Untreated) Levels of E. coli for SEPTEMBER 1997




REMINDER: Data Purpose: The ICR data were collected as part of a national research project to support development of national drinking water standards. The should NOT be used to determine local water systems compliance with drinking water standards, nor should they be used to make personal judgements about health risks.


National Source Water (Untreated) Levels of E. coli for SEPTEMBER 1997

National Source Water (Untreated) Levels of E. coli for SEPTEMBER 1997

Level of E. coli (E.Coli/100mL) Number of Water Treatment Plants
0 81
1-9 54
10-99 45
100-999 28
1,000-9,999 4


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