Source Water (Untreated) Levels of E. coli for
Phoenix Municipal Water 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 SQUAW PEAK WTP

Water Type	Month	E. coli Level (E.coli/100mL)
Surface Water	JUL 1997	2
Surface Water	AUG 1997	9
Surface Water	SEP 1997	2
Surface Water	OCT 1997	4
Surface Water	NOV 1997	4
Surface Water	DEC 1997	4
Not Reported	JAN 1998	6
Not Reported	FEB 1998	36
Not Reported	MAR 1998	29
Not Reported	APR 1998	78
Surface Water	MAY 1998	66
Surface Water	JUN 1998	32
Surface Water	JUL 1998	8
Surface Water	AUG 1998	3
Surface Water	SEP 1998	2
Surface Water	OCT 1998	8
Surface Water	NOV 1998	27
Not Reported	DEC 1998	2

Source Water (Untreated) Levels of E. coli for VAL VISTA WTP

Water Type	Month	E. coli Level (E.coli/100mL)
Surface Water	JUL 1997	2
Surface Water	AUG 1997	2
Surface Water	SEP 1997	4
Surface Water	OCT 1997	8
Not Reported	NOV 1997	5
Surface Water	DEC 1997	4
Surface Water	JAN 1998	11
Surface Water	FEB 1998	15
Surface Water	MAR 1998	8
Surface Water	APR 1998	5
Surface Water	MAY 1998	18
Surface Water	JUN 1998	9
Surface Water	JUL 1998	3
Surface Water	AUG 1998	10
Surface Water	SEP 1998	6
Surface Water	OCT 1998	6
Surface Water	NOV 1998	15
Surface Water	DEC 1998	3

Source Water (Untreated) Levels of E. coli for UNION HILLS WTP

Water Type	Month	E. coli Level (E.coli/100mL)
Surface Water	JUL 1997	11
Surface Water	AUG 1997	15
Surface Water	SEP 1997	22
Surface Water	OCT 1997	25
Surface Water	NOV 1997	14
Surface Water	DEC 1997	0
Surface Water	JAN 1998	4
Surface Water	FEB 1998	2
Surface Water	MAR 1998	6
Surface Water	APR 1998	11
Surface Water	MAY 1998	6
Surface Water	JUN 1998	8
Surface Water	JUL 1998	36
Surface Water	AUG 1998	21
Surface Water	SEP 1998	14
Surface Water	OCT 1998	27
Surfa ce Water	NOV 1998	24
Surface Water	DEC 1998	11

Source Water (Untreated) Levels of E. coli for DEER VALLEY WTP

Water Type	Month	E. coli Level (E.coli/100mL)
Surface Water	JUL 1997	5
Surface Water	AUG 1997	8
Surface Water	SEP 1997	3
Surface Water	OCT 1997	5
Surface Water	NOV 1997	16
Surface Water	DEC 1997	8
Surface Water	JAN 1998	43
Not Reported	FEB 1998	0
Surface Water	MAR 1998	10
Surface Water	APR 1998	88
Surface Water	MAY 1998	59
Surface Water	JUN 1998	78
Surface Water	JUL 1998	45
Surface Water	AUG 1998	8
Surface Water	SEP 1998	4
Surface Water	OCT 1998	8
Surface Water	NOV 1998	31
Not Reported	DEC 1998	7

Source Water (Untreated) Levels of E. coli for VERDE WTP & FOUNTAIN HILLS

Water Type	Month	E. coli Level (E.coli/100mL)
Surface Water	JUL 1997	27
Surface Water	AUG 1997	1
Surface Water	SEP 1997	6
Surface Water	OCT 1997	5
Surface Water	NOV 1997	3
Not Reported	DEC 1997	NO DATA
Not Reported	JAN 1998	NO DATA
Not Reported	FEB 1998	NO DATA
Surface Water	MAR 1998	10
Not Reported	APR 1998	NO DATA
Not Reported	MAY 1998	NO DATA
Surface Wa ter	JUN 1998	2
Surface Water	JUL 1998	1
Surface Water	AUG 1998	0
Surface Water	SEP 1998	2
Surface Water	OCT 1998	242000
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 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	vi ew 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
Mar 1998	view report	view report
Apr 1998	view report	view report
May 1998	view report	view repo rt
Jun 1998	view report	view report
Jul 1998	view report	view report
Aug 1998	view report	view report
Sep 1998	view report	view report
Oct 1998	view report	view report
Nov 1998	view report	view report
Dec 1998	view report	view report

ICR Overview

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