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EF/ ICR Logo Source Water (Untreated) Levels of E. coli for
City of Houston, Main System


Water System E. coli 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 E. coli for East Water Purification Plant III

Water Type Month E. coli Level (E.coli/100mL)
Surface Water JUL 1997 15
Surface Water AUG 1997 0
Surface Water SEP 1997 21
Surface Water OCT 1997 4
Surface Water NOV 1997 26
Surface Water DEC 1997 123
Surface Water JAN 1998 123
Surface Water FEB 1998 26
Surface Water MAR 1998 25
Surface Water APR 1998 3
Surface Water MAY 1998 2
Surface Water JUN 1998 1
Surface Water JUL 1998 2
Surface Water AUG 1998 1
Surface Water SEP 1998 2
Surface Water OCT 1998 10
Surface Water NOV 1998 35
Surface Water DEC 1998 13


Source Water (Untreated) Levels of E. coli for East Water Purification Plant 1

NO DATA - Click here to find out why.


Source Water (Untreated) Levels of E. coli for Southeast Water Purification Plant

Water Type Month E. coli Level (E.coli/100mL)
Not Reported JUL 1997 NO DATA
Not Reported AUG 1997 NO DATA
Not Reported SEP 1997 NO DATA
Not Reported OCT 1997 NO DATA
Not Reported NOV 1997 NO DATA
Not Reported DEC 1997 NO DATA
Not Reported JAN 1998 NO DATA
Not Reported FEB 1998 NO DATA
Not Reported MAR 1998 NO DATA
Not Reported APR 1998 NO DATA
Not Reported MAY 1998 NO DATA
Surface Water JUN 1998 1
Not Reported JUN 1998 NO DATA
Not Reported JUL 1998 NO DATA
Not Reported AUG 1998 NO DATA
Not Reported SEP 1998 NO DATA
Not Reported OCT 1998 NO DATA
Not Reported NOV 1998 NO DATA


Source Water (Untreated) Levels of E. coli for Evangeline Aquifer- Katy Addicks Plant

NO DATA - Click here to find out why.


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

Month State Report National Report
July 1997 view report view report
Aug 1997 view report view report
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Dec 1997 view report view report
Jan 1998 view report view report
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Dec 1998 view report view report


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