Arizona Water Quality Ratings

Rank	Utility	City	Population	Score	Grade
#1	Chandler Department of Public Works	Chandler	261,000	86	A
#2	Scottsdale Municipal Water System	Scottsdale	258,000	83	B
#3	Gilbert Municipal Water System	Gilbert	268,000	82	B
#4	City of Mesa Water Department	Mesa	518,000	82	B
#5	Glendale Department of Public Works	Glendale	248,000	82	B
#6	Tucson Department of Public Works	Tucson	548,000	80	B
#7	ARIZONA WATER CO - APACHE JUNCTION	APACHE JUNCTION	62,055	76	B
#8	City of Phoenix Water Services Department	Phoenix	1,660,000	73	C
#9	CITY OF YUMA	YUMA	103,264	72	C
#10	Phoenix Water Authority	Phoenix	1,680,000	72	C
#11	QUEEN CREEK TOWN OF	QUEEN CREEK	95,502	70	C
#12	TOWN OF PRESCOTT VALLEY	PRESCOTT VALLEY	57,048	70	C
#13	FLAGSTAFF CITY OF	FLAGSTAFF	76,960	67	C
#14	PHOENIX CITY OF	PHOENIX	1,695,000	67	C
#15	TUCSON CITY OF	TUCSON	732,906	66	C
#16	ARIZONA WATER CO - PINAL VALLEY	CASA GRANDE	134,432	66	C
#17	EPCOR - SAN TAN	JOHNSON RANCH	87,435	65	C
#18	LAKE HAVASU CITY OF	LAKE HAVASU CITY	54,610	64	D
#19	SCOTTSDALE CITY OF	SCOTTSDALE	241,361	62	D
#20	CHANDLER CITY OF	CHANDLER	247,328	61	D
#21	GLENDALE CITY OF	GLENDALE	234,766	61	D
#22	MESA CITY OF	MESA	466,000	61	D
#23	PEORIA CITY OF	PEORIA	187,676	57	D
#24	TEMPE CITY OF	TEMPE	165,000	53	F
#25	GW SANTA CRUZ WATER CO	MARICOPA	84,000	52	F
#26	EPCOR - AGUA FRIA	SURPRISE	127,718	51	F
#27	GILBERT, TOWN OF	GILBERT	247,600	47	F
#28	LIBERTY WATER LPSCO	LITCHFIELD PARK	55,810	43	F
#29	AVONDALE CITY OF	AVONDALE	83,001	43	F