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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
EAST BAY MUNICIPAL UTILITY DISTRICT


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 Orinda Filter Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 800
Surface Water AUG 1997 50
Surface Water SEP 1997 50
Surface Water OCT 1997 8
Surface Water NOV 1997 8
Surface Water DEC 1997 8
Surface Water JAN 1998 23
Surface Water FEB 1998 4
Surface Water MAR 1998 0
Surface Water APR 1998 4
Surface Water MAY 1998 0
Surface Water JUN 1998 2
Surface Water JUL 1998 4
Surface Water AUG 1998 8
Surface Water SEP 1998 6
Surface Water OCT 1998 7
Surface Water NOV 1998 8
Surface Water DEC 1998 2


Source Water (Untreated) Levels of Total Coliform for Upper San Leandro Filter Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 130
Surface Water AUG 1997 2
Surface Water SEP 1997 24
Surface Water OCT 1997 4
Surface Water NOV 1997 8
Surface Water DEC 1997 8
Surface Water JAN 1998 130
Surface Water FEB 1998 130
Surface Water MAR 1998 50
Surface Water APR 1998 36
Surface Water MAY 1998 14
Surface Water JUN 1998 4
Surface Water JUL 1998 4
Surface Water AUG 1998 2
Surface Water SEP 1998 17
Surface Water OCT 1998 50
Surface Water NOV 1998 30
Surface Water DEC 1998 0


Source Water (Untreated) Levels of Total Coliform for Walnut Creek Filter Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 800
Surface Water AUG 1997 50
Surface Water SEP 1997 50
Surface Water OCT 1997 8
Surface Water NOV 1997 8
Surface Water DEC 1997 8
Surface Water JAN 1998 23
Surface Water FEB 1998 4
Surface Water MAR 1998 0
Surface Water APR 1998 4
Surface Water MAY 1998 0
Surface Water JUN 1998 2
Surface Water JUL 1998 4
Surface Water AUG 1998 8
Surface Water SEP 1998 6
Surface Water OCT 19 98 7
Surface Water NOV 1998 8
Surface Water DEC 1998 2


Source Water (Untreated) Levels of Total Coliform for Sobrante Filter Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 240
Surface Water AUG 1997 140
Surface Water SEP 1997 1600
Surface Water OCT 1997 110
Surface Water NOV 1997 70
Surface Water DEC 1997 4
Not Reported JAN 1998 0
Surface Water FEB 1998 300
Surface Water MAR 1998 9
Surface Water APR 1998 13
Surface Water MAY 1998 4
Surface Water JUN 1998 2
Surface Water JUL 1998 4
Surface Water AUG 1998 4
Surface Water SEP 1998 22
Surface Water OCT 1998 33
Surface Water NOV 1998 17
Surface Water DEC 1998 2


Source Water (Untreated) Levels of Total Coliform for Layfayette Filter Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 800
Surface Water AUG 1997 50
Surface Water SEP 1997 50
Surface Water OCT 1997 8
Surface Water NOV 1997 8
Surface Water DEC 1997 8
Surface Water JAN 1998 23
Surface Water FEB 1998 4
Surface Water MAR 1998 0
Surface Water APR 1998 4
Surface Water MAY 1998 0
Surface Water JUN 1998 2
Surface Water JUL 1998 4
Surface Water AUG 1998 8
Surface Water SEP 1998 6
Surface Water OCT 1998 7
Not Reported NOV 1998 NO DATA
Not Reported DEC 1998 2


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
Aug 1997 view report view report
Sep 1997 view report view report
Oct 1997 view report view report
Nov 1997 view report view report
Dec 1997 view report view report
Jan 1998 view report view report
Feb 1998 view report view report
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