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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
City of St. Louis Water Division


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 Chain of Rocks

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 3900
Surface Water AUG 1997 3500
Surface Water SEP 1997 7300
Surface Water OCT 1997 3500
Surface Water NOV 1997 4400
Surface Water DEC 1997 5300
Surface Water JAN 1998 9800
Surface Water FEB 1998 1900
Surface Water MAR 1998 4700
Surface Water APR 1998 8300
Surface Water MAY 1998 4500
Surface Water JUN 1998 6000
Surface Water JUL 1998 11000
Surface Water AUG 1998 10000
Surface Water SEP 1998 2300
Surface Water OCT 1998 5900
Surface Water NOV 1998 12000
Surface Water DEC 1998 8000


Source Water (Untreated) Levels of Total Coliform f or Howard Bend

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 3200
Surface Water AUG 1997 4000
Surface Water SEP 1997 5000
Surface Water OCT 1997 1600
Surface Water NOV 1997 3100
Surface Water DEC 1997 7100
Surface Water JAN 1998 9000
Surface Water FEB 1998 2100
Surface Water MAR 1998 5100
Surface Water APR 1998 6700
Surface Water MAY 1998 2900
Surface Water JUN 1998 4500
Surface Water JUL 1998 11000
Surface Water AUG 1998 9800
Surface Water SEP 1998 2000
Surface Water OCT 1998 3300
Surface Water NOV 1998 6000
Surface Water DEC 1998 5000


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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