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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
Castaic Lake Water Agency


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 Rio Vista Water Treatment Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 17
Surface Water AUG 1997 4
Surface Water SEP 1997 13
Surface Water OCT 1997 2
Surface Water NOV 1997 2
Surface Water DEC 1997 14
Surface Water JAN 1998 23
Surface Water FEB 1998 13
Surface Water MAR 1998 300
Surface Water APR 1998 30
Surface Water MAY 1998 13
Surface Water JUN 1998 70
Surface Water JUL 1998 17
Surface Water AUG 1998 13
Surface Water SEP 1998 0
Surface Water OCT 1998 2
Not Reported OCT 1998 NO DATA
Not Reported NOV 1998 NO DATA


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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Dec 1998 view report view report


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