coliform), 9221 F (e.coli) PA: Presence Absence SM 20th Ed. 9221D,9221E (fecal coliform),9221 F (e.coli) Maximum Contamination Limit: Turbidity -1; Colfform Negative; TDS - 500 mg/L; pH - 65 to 85 Any coliform bacteria found in drinking water makes it tmsatisfactory for drinking. The water supply should he decon