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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
Marin Municipal Water 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 San Geronimo Water Treatment Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 70
Surface Water AUG 1997 63
Surface Water SEP 1997 30
Surface Water OCT 1997 8
Surface Water NOV 1997 18
Surface Water DEC 1997 11
Surface Water JAN 1998 66
Surface Water FEB 1998 20
Surface Water MAR 1998 28
Surface Water APR 1998 26
Surface Water MAY 1998 101
Surface Water JUN 1998 179
Surface Water JUL 1998 249
Surface Water AUG 1998 53
Surface Water SEP 1998 26
Surface Water OCT 1998 6
Surface Water NOV 1998 6
Surface Water DEC 1998 15


Source Water (Untreated) Levels of Total Coliform for Bon Tempe Treatm ent Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 2419
Surface Water AUG 1997 98
Surface Water SEP 1997 1414
Surface Water OCT 1997 1011
Surface Water NOV 1997 9804
Surface Water DEC 1997 84
Not Reported JAN 1998 649
Surface Water FEB 1998 435
Surface Water MAR 1998 411
Surface Water APR 1998 275
Surface Water MAY 1998 770
Surface Water JUN 1998 105
Surface Water JUL 1998 816
Surface Water AUG 1998 135
Surface Water SEP 1998 75
Surface Water OCT 1998 2419
Surface Water NOV 1998 1990
Surface Water DEC 1998 25


Source Water (Untreated) Levels of Total Coliform for Ignacio Pump Station

NO DATA - Click here to find out why.


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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