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EF/ ICR Logo Source Water (Untreated) Levels of Total Coliform for
Washington Suburban Sanitary Comm.


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 Potomac Water Filtration Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 7820
Surface Water AUG 1997 4800
Surface Water SEP 1997 5600
Surface Water OCT 1997 2010
Surface Water NOV 1997 16000
Surface Water DEC 1997 340
Surface Water JAN 1998 13000
Surface Water FEB 1998 2500
Surface Water MAR 1998 12000
Surface Water APR 1998 5000
Surface Water MAY 1998 5000
Surface Water JUN 1998 4100
Surface Water JUL 1998 2710
Surface Water AUG 1998 27000
Surface Water SEP 1998 1450
Surface Water OCT 1998 33
Surface Water NOV 1998 330
Surface Water DEC 1998 340


Source Water (Untreated) Levels of Tota l Coliform for Patuxent Water Filtration Plant

Water Type Month Total Coliform Level (Total Coliforms/100mL)
Surface Water JUL 1997 310
Surface Water AUG 1997 190
Surface Water SEP 1997 660
Surface Water OCT 1997 890
Surface Water NOV 1997 2500
Surface Water DEC 1997 165
Surface Water JAN 1998 2
Surface Water FEB 1998 218
Surface Water MAR 1998 109
Surface Water APR 1998 109
Surface Water MAY 1998 450
Surface Water JUN 1998 950
Surface Water JUL 1998 310
Surface Water AUG 1998 145
Surface Water SEP 1998 1300
Surface Water OCT 1998 132
Surface Water NOV 1998 220
Surface Water DEC 1998 32


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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