U.S. water systems

Arizona Water Systems

Arizona

1,707 community water systems on record — 749 active, 958 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

Counties in Arizona

Apache County (33)Cochise County (68)Coconino County (51)Gila County (543)Graham County (9)Greenlee County (7)La Paz County (29)Maricopa County (200)Mohave County (86)Navajo County (56)Pima County (236)Pinal County (161)Santa Cruz County (23)Yavapai County (143)Yuma County (42)

All community water systems in Arizona

System name	Mailing city	Population served	Status
PHOENIX CITY OF	—	1,695,000	Active
TUCSON CITY OF	—	732,906	Active
MESA CITY OF	MESA	466,000	Active
GILBERT, TOWN OF	GILBERT	247,600	Active
CHANDLER CITY OF	CHANDLER	247,328	Active
SCOTTSDALE CITY OF	SCOTTSDALE	241,361	Active
GLENDALE CITY OF	PHOENIX	234,766	Active
PEORIA CITY OF	PEORIA	187,676	Active
TEMPE CITY OF	TEMPE	165,000	Active
ARIZONA WATER CO - PINAL VALLEY	PHOENIX	134,432	Active
EPCOR - AGUA FRIA	EL MIRAGE	127,718	Active
CITY OF YUMA	YUMA	103,264	Active
AVONDALE CITY OF	AVONDALE	96,130	Active
QUEEN CREEK TOWN OF	QUEEN CREEK	95,502	Active
EPCOR - SAN TAN	SAN TAN VALLEY	87,435	Active
GW SANTA CRUZ WATER CO	MARICOPA	84,000	Active
FLAGSTAFF CITY OF	FLAGSTAFF	79,796	Active
ARIZONA WATER CO - APACHE JUNCTION	PHOENIX	62,055	Active
TOWN OF PRESCOTT VALLEY	DEWEY	57,048	Active
LIBERTY WATER LPSCO	LITCHFIELD PARK	55,810	Active
LAKE HAVASU CITY OF	LAKE HAVASU CITY	54,610	Active
GOODYEAR WATER DEPARTMENT	GOODYEAR	50,001	Active
METROPOLITAN DWID	TUCSON	45,570	Active
KINGMAN MUNICIPAL WATER	KINGMAN	45,000	Active
ORO VALLEY WATER UTILITY	ORO VALLEY	42,316	Active
PRESCOTT CITY OF	PRESCOTT	42,217	Active
SURPRISE CITY OF - MOUNTAIN VISTA	SURPRISE	40,007	Active
EL MIRAGE CITY OF	EL MIRAGE	39,884	Active
SAN LUIS CITY OF	SAN LUIS	39,705	Active
EPCOR - SUN CITY	EL MIRAGE	38,016	Active
BULLHEAD CITY MOHAVE	BULLHEAD CITY	36,330	Active
FOOTHILLS WATER AND SEWER LLC	YUMA	32,425	Active
CITY OF BUCKEYE - VALENCIA TOWN DIVISION	—	30,377	Active
EPCOR - CHAPARRAL CITY	EL MIRAGE	26,026	Active
EPCOR - SUN CITY WEST	EL MIRAGE	25,796	Active
BERMUDA WATER COMPANY INC	FORT MOHAVE	25,000	Active
DESERT OASIS	SURPRISE	23,963	Active
EPCOR - ANTHEM	EL MIRAGE	23,826	Active
COMMUNITY WC OF GREEN VALLEY	GREEN VALLEY	22,085	Active
NOGALES CITY OF	NOGALES	22,000	Active
SAFFORD CITY OF	SAFFORD	20,600	Active
CONSOLIDATED-DEER VALLEY	PHOENIX	20,100	Inactive
BELLA VISTA CITY WATER SYSTEM	SIERRA VISTA	20,045	Active
PIMA UTILITIES	PHOENIX	20,000	Active
ARIZONA WATER CO - WHITE TANKS	PHOENIX	18,858	Active
USAF DAVIS MONTHAN AFB	DAVIS-MONTHAN AFB	18,640	Active
SAHUARITA WATER COMPANY	SAHUARITA	18,178	Active
LAGO DEL ORO WATER COMPANY	SUN LAKES	18,132	Active
LIBERTY WATER RIO RICO	SIERRA VISTA	17,960	Active
PAYSON TOWN OF	PAYSON	17,682	Active
VAIL WATER COMPANY	VAIL	17,500	Active
CITY OF SHOW LOW	SHOW LOW	17,139	Active
DOUGLAS CITY OF	DOUGLAS	16,656	Active
GRAND CANYON NATIONAL PARK	GRAND CANYON	16,590	Active
FLOWING WELLS IRRIGATION DISTRICT	TUCSON	16,000	Active
FLORENCE WATER COMPANY	FLORENCE	15,900	Active
CITY OF BUCKEYE SONORA - SUNDANCE	—	15,783	Active
APACHE JUNCTION WATER DISTRICT	APACHE JUNCTION	15,610	Active
US ARMY FORT HUACHUCA	DRAGOON	15,603	Active
MARANA MUNICIPAL - MARANA	MARANA	15,162	Active
NORTHERN ARIZONA UNIVERSI	FLAGSTAFF	15,000	Inactive
EPCOR - NORTH EAST AGUA FRIA	EL MIRAGE	14,723	Active
SOMERTON CITY OF	SOMERTON	14,197	Active
EPCOR - PARADISE VALLEY/SCOTTSDALE	EL MIRAGE	14,107	Active
ARIZONA WATER CO - OVERGAARD	PHOENIX	13,797	Active
SCOTTSDALE WATER SERV CO.	SCOTTSDALE	13,702	Inactive
DESERT SAGE WATER CO.	MESA	13,000	Inactive
PUEBLO DEL SOL WATER COMPANY	SIERRA VISTA	12,804	Active
ARIZONA WATER CO - LAKESIDE	PHOENIX	12,191	Active
ARIZONA WATER CO - SEDONA	PHOENIX	12,104	Active
ORO VALLEY WATER-R V DIVI	ORO VALLEY	11,138	Inactive
COTTONWOOD MUNICIPAL WATER CW1	COTTONWOOD	11,023	Active
ARIZONA WATER CO - ORACLE	PHOENIX	10,585	Active
EPCOR - SAN TAN ANTHEM	SAN TAN VALLEY	10,362	Active
PHOENIX-NORTH VALLEY	PHOENIX	10,343	Inactive
FESTIVAL RANCH	—	10,313	Active
BEARDSLEY WATER COMPANY 1	LITCHFIELD PARK	10,263	Active
TUCSON WATER CORONA DE TUCSON	—	10,217	Active
CITY OF BUCKEYE TARTESSO WATER SYSTEM	—	10,123	Active
WINSLOW CITY OF	WINSLOW	9,789	Active
TOLLESON CITY OF	SURPRISE	9,300	Active
ARIZONA WATER CO - SIERRA VISTA	PHOENIX	9,175	Active
DONEY PARK WATER	FLAGSTAFF	8,996	Active
CCA - ELOY COMPLEX	ELOY	8,852	Active
ARIZONA WATER CO - BISBEE	PHOENIX	8,707	Active
GREEN VALLEY DWID	GREEN VALLEY	8,687	Active
ARIZONA WATER CO - MIAMI CLAYPOOL	PHOENIX	8,656	Active
USAF LUKE AIR FORCE BASE	LUKE AFB	8,440	Active
USMC YUMA MAIN SYSTEM	YUMA	8,353	Active
CITIZENS UTL-OASIS SYS	RIVIERA	8,132	Inactive
ARIZONA WATER CO - PINEWOOD	PHOENIX	8,089	Active
PINE STRAWBERRY WID	PINE	8,013	Active
PHOENIX-AHWATUKEE	PHOENIX	7,930	Inactive
ELOY CITY OF	ELOY	7,903	Active
GLOBE CITY OF	GLOBE	7,536	Active
PAGE CITY OF	PAGE	7,420	Active
BIG PARK WATER COMPANY	SEDONA	7,392	Active
BUCKEYE CITY OF	—	7,008	Active
QUAIL CREEK WATER COMPANY	TUCSON	6,812	Active
AVRA WATER COOP INC	TUCSON	6,685	Active
SUNRISE WATER COMPANY	PEORIA	6,490	Active
WICKENBURG TOWN OF	WICKENBURG	6,481	Active
ROSE VALLEY WATER COMPANY	YUMA	6,202	Active
VALLEY PIONEERS WATER COMPANY INC	GOLDEN VALLEY	6,063	Active
BIG PARK WATER CO-FOX PHI	SEDONA	6,000	Inactive
VALLEY UTILITIES WATER COMPANY GLENDALE	GLENDALE	5,940	Active
CAVE CREEK WATER	CAVE CREEK	5,895	Active
GW FARMERS WATER CO - CONTINENTAL	MARICOPA	5,592	Active
SNOWFLAKE TOWN OF	SNOWFLAKE	5,590	Active
METROPOLITAN DWID - DIABLO VILLAGE	TUCSON	5,542	Active
HILDALE COLORADO CITY	COLORADO CITY	5,500	Inactive
NORTH FLORENCE IMPROVEMENT	FLORENCE	5,436	Inactive
SOUTHWEST WATER CO-SYSTE	SIERRA VISTA	5,425	Inactive
PONDEROSA DWID	PINETOP	5,375	Active
BENSON, CITY OF WATER SYSTEM	BENSON	5,355	Active
EPCOR- RIO VERDE	EL MIRAGE	5,330	Active
MARANA MUNICIPAL - PICTURE ROCKS	TUCSON	5,278	Active
MARANA MUNICIPAL - HARTMAN VISTAS	TUCSON	5,248	Active
NORTH MOHAVE VALLEY	BULLHEAD CITY	5,190	Active
TOWN OF CAMP VERDE UTILITIES	CAMP VERDE	5,013	Active
CITY OF ST JOHNS	ST JOHNS	5,000	Inactive
CLARKDALE MUNICIPAL WATER SYSTEM	CLARKDALE	4,920	Active
EPCOR - TIERRA DEL RIO	EL MIRAGE	4,868	Active
HOLBROOK CITY OF	HOLBROOK	4,833	Active
EPCOR - LAKE HAVASU	EL MIRAGE	4,788	Active
ARIZONA WATER CO - SAN MANUEL	PHOENIX	4,748	Active
EAGAR TOWN OF	—	4,590	Active
MARANA MUNICIPAL - AIRLINE LAMBERT	TUCSON	4,568	Active
ORO VALLEY WATER COUNTRYSIDE	ORO VALLEY	4,534	Active
COTTONWOOD MUNICIPAL WATER VV6	COTTONWOOD	4,509	Active
ADOC TUCSON	TUCSON	4,500	Active
YUMA MESA EAST MUNIC WAT	YUMA	4,500	Inactive
RAY WATER COMPANY INC	TUCSON	4,495	Active
ARIZONA WATER CO - SUPERIOR	PHOENIX	4,393	Active
ASPC LEWIS COMPLEX WATER SYSTEM	BUCKEYE	4,300	Active
CORDES LAKES WATER COMPANY	LITCHFIELD PARK	4,257	Active
METROPOLITAN DWID - HUB	TUCSON	4,252	Active
DESERT HILLS WATER	CAVE CREEK	4,220	Active
BEAZER HOMES	TEMPE	4,200	Inactive
ASPC YUMA	YUMA	4,197	Active
TOWN OF TAYLOR	TAYLOR	4,190	Active
LAGO DEL ORO WATER CO	TUCSON	4,170	Inactive
MORENCI WATER ELEC CO MAIN	PHOENIX	4,108	Active
SOUTHWEST WATER CO-SYSTE	SIERRA VISTA	4,078	Inactive
PIMA CNTY PK DEPT-FT LOW	TUCSON	4,010	Inactive
CITIZENS UTILI-CLEARWATER	CHULA VISTA	4,000	Inactive
MONUMENT VALLEY HIGH SCH	KAYENTA	4,000	Inactive
GW FARMERS WATER CO - SANTA RITA SPRINGS	MARICOPA	3,990	Active
GOLDEN SHORES WATER COMPANY	WILLIAMS	3,970	Active
ADOC EYMAN UNIT	PHOENIX	3,969	Active
GOLDEN VALLEY IMPROVEMENT DISTRICT	KINGMAN	3,950	Active
CAREFREE WATER COMPANY	CAREFREE	3,894	Active
SPANISH TRAIL WATER COMPANY	TUCSON	3,822	Active
GW SANTA CRUZ WATER CO - RED ROCK	MARICOPA	3,813	Active
GRAHAM COUNTY UTILITIES - PIMA	PIMA	3,799	Active
GW SAGUARO DIST WATER CO - LAS QUINTAS	MARICOPA	3,720	Active
ARIZONA WATER CO - PINETOP LAKES	PHOENIX	3,513	Active
AZ STATE PRISON - GEO GROUP - KINGMAN	GOLDEN VALLEY	3,500	Active
KACHINA VILLAGE DWID	FLAGSTAFF	3,500	Active
ST JOHNS CITY OF	SAINT JOHNS	3,500	Active
STRAWBERRY WATER COMPANY	PAYSON	3,426	Inactive
ARIZONA WATER CO - RIMROCK	PHOENIX	3,423	Active
EPCOR - WILLOW VALLEY/KING STREET	EL MIRAGE	3,408	Active
PINETOP WATER COMMUNITY FACILITIES DIST	PINETOP	3,250	Active
SILVER SHADOWS WATER COMPANY	TUCSON	3,245	Inactive
SAGUARO WATER COMPANY	—	3,243	Active
CITY OF WILLCOX	WILLCOX	3,236	Active
VOYAGER WATER COMPANY	TUCSON	3,209	Active
FREEPORT MCMORAN BAGDAD TOWN	BAGDAD	3,200	Active
SILVER SHADOWS WATER CO	TUCSON	3,200	Inactive
SILVER SHADOWS WATER CO.	TUCSON	3,200	Inactive
WILLIAMS CITY OF	WILLIAMS	3,145	Active
GW OCOTILLO WATER - RANCHO DEL SOL LINDO	MARICOPA	3,128	Active
DESERT FOOTHILLS	BULLHEAD CITY	3,091	Active
TURNER RCHS WATER CO-LEI	MESA	3,060	Inactive
BIA FORT APACHE AGENCY OFF #1	WHITERIVER	3,000	Inactive
WELLTON TOWN OF	WELLTON	3,000	Active
PHOENIX-CASHION	PHOENIX	2,975	Inactive
DESERT SANDS WATER CO.	MESA	2,908	Inactive
COTTONWOOD MUNICIPAL WATER VV2	COTTONWOOD	2,893	Active
WICKENBURG RANCH ESTATES	WICKENBURG	2,877	Active
EPCOR WATER - VERRADO	—	2,800	Inactive
RACREST WATER CO	MESA	2,800	Inactive
QUARTZSITE TOWN OF	QUARTZSITE	2,761	Active
AZ WATER CO-APACHE JCT S	APACHE JUNCTION	2,750	Inactive
CHINO VALLEY TOWN OF	PRESCOTT VALLEY	2,742	Active
YOUNGTOWN MUNICIPAL WATER	SUN CITY	2,662	Inactive
GOODMAN WATER COMPANY	—	2,656	Active
AJO IMPROVEMENT COMPANY	AJO	2,654	Active
CHANDLER HEIGHTS CITRUS IRRIGATION DIST	CHANDLER HEIGHTS	2,620	Active
CS LOS CERROS WATER COMPANY INC	DES PERES	2,613	Active
BISBEE DOUGLAS INTL AIRPORT	DOUGLAS	2,600	Active
FOOTHILLS UTILITIES KINGMAN EAST	YUMA	2,538	Active
PARKER MUNICIPAL WATER W	PARKER	2,500	Inactive
THUMB BUTTE WATER ASSOCI	BULLHEAD CITY	2,500	Inactive
PICACHO WATER COMPANY	SUN LAKES	2,440	Active
BLACK CANYON CITY WID	BLACK CANYON CITY	2,437	Active
CHINO MEADOWS II	CHINO VALLEY	2,350	Active
VALLE VERDE WATER COMPANY - EAST	TUCSON	2,331	Active
MT TIPTON WATER COMPANY	DOLAN SPRINGS	2,257	Active

Showing the 200 largest of 1,707 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.