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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
City of Norfolk, Dept. of Utilities


Water System Total Coliform Report
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.


Source Water (Untreated) Levels of Total Coliform for Moores Bridges

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 58
Surface Water AUG 1997 440
Surface Water SEP 1997 0
Surface Water OCT 1997 1200
Surface Water NOV 1997 210
Surface Water DEC 1997 113
Surface Water JAN 1998 35
Surface Water FEB 1998 60
Surface Water MAR 1998 10
Surface Water APR 1998 0
Surface Water MAY 1998 236
Surface Water JUN 1998 100
Surface Water JUL 1998 0
Surface Water AUG 1998 0
Surface Water SEP 1998 5
Surface Water OCT 1998 0
Surface Water NOV 1998 400
Surface Water DEC 1998 800


Source Water (Untreated) Levels of Total Coliform for 37th Street

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 4
Surface Water AUG 1997 2
Surface Water SEP 1997 20
Surface Water OCT 1997 18
Surface Water NOV 1997 10
Surface Water DEC 1997 10
Surface Water JAN 1998 30
Surface Water FEB 1998 20
Surface Water MAR 1998 200
Surface Water APR 1998 0
Surface Water MAY 1998 220
Surface Water JUN 1998 450
Surface Water JUL 1998 0
Surface Water AUG 1998 5
Surface Water SEP 1998 15
Surface Water OCT 1998 160
Surface Water NOV 1998 1250
Surface Water DEC 1998 0


How does this utility's source water compare to source waters nationally for coliform? Click on "view report" to see the state and national levels of total coliform.

Month State Report National Report
July 1997 view report view report
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Dec 1997 view report view report
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