All water systems in Arizona
1,713 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Desert Diamond Why County |
362 | 1 | 0 | |
|
Wenden Dwid Wenden · La Paz County |
360 | 3 | 0 | |
|
Lazy C Water Service Tucson · Pima County |
359 | 2 | 0 | |
|
Saddle Mountain RV Park Tonopah · Maricopa County |
357 | 0 | 0 | |
|
Ramblin Roads RV Park Hope · La Paz County |
354 | 1 | 0 | |
|
CS Mormon Lake Water Company Mormon Lake · Coconino County |
353 | 3 | 0 | |
|
CS Loma Linda Water Company Clifton · Greenlee County |
351 | 6 | 0 | |
|
Camp Navajo Bellemont · Coconino County |
350 | 4 | 1 | |
|
Chloride Dwid Chloride · Mohave County |
350 | 2 | 0 | |
|
CS Flagstaff Ranch Water Company Flagstaff · Coconino County |
350 | 7 | 2 | |
|
Federal Correctional Inst Tucson · Pima County |
350 | 9 | 0 | |
|
Gowan Milling LLC Yuma · Yuma County |
350 | 7 | 1 | |
|
Mormon Lake Lodge Mormon Lake Lodge · Coconino County |
350 | 2 | 1 | |
|
New River Lds Church New River · Maricopa County |
350 | 2 | 0 | |
|
Rough Rock Community High School Bia Rough Rock · County |
350 | 4 | 2 | |
|
Sanders School District Sanders · Apache County |
350 | 6 | 2 | |
|
Timberline MHP Show Low · Navajo County |
350 | 5 | 2 | |
|
Tonto Hills Dwid Tonto Hills · Maricopa County |
350 | 4 | 1 | |
|
Usfs Cnf Loma Linda Mount Lemmon · Pima County |
350 | 1 | 0 | |
|
Usfs Cnf Ski Lodge Mount Lemmon · Pima County |
350 | 0 | 0 | |
|
Ganado Mission Sage Memorial Hospital Ganado · County |
349 | 2 | 1 | |
|
Shangri la Ranch New River · Maricopa County |
345 | 6 | 2 | |
|
Bella Capri MHP Tucson · Pima County |
342 | 2 | 0 | |
|
Coppermine Ntua Coppermine · County |
342 | 0 | 0 | |
|
Scua Lower Peridot Bush County |
342 | 4 | 4 | |
|
Low Mountain Boarding School Bia Low Mountain · County |
339 | 3 | 2 | |
|
CS White Hills Water Company Unit 1 White Hills · Mohave County |
338 | 4 | 0 | |
|
CS White Hills Water Company Units 3 4 6 White Hills · Mohave County |
333 | 4 | 0 | |
|
AZ State Parks Catalina Mountain Catalina · Pima County |
330 | 1 | 0 | |
|
Tucson Racquet & Fitness Club Tucson · Pima County |
330 | 3 | 1 | |
|
Little Tucson Ali Molina, Ali Chukson, Artesa · County |
328 | 0 | 0 | |
|
Sierra Vista MH Village Sierra Vista · Cochise County |
328 | 3 | 0 | |
|
Lower Moencopi Consecutive System Lower Moencopi · County |
326 | 6 | 3 | |
|
Cocopah West County |
325 | 2 | 0 | |
|
JO Combs Elementary School Queen Creek · Pinal County |
325 | 4 | 2 | |
|
Pine Summit Bible Camp Prescott · Yavapai County |
325 | 0 | 0 | |
|
CS Mormon Lake-Upper Village Mormon Lake · Coconino County |
324 | 2 | 1 | |
|
Hidden Shores RV Village Imperial Dam · Yuma County |
324 | 3 | 0 | |
|
Porter Mountain Dwid Lakeside · Navajo County |
322 | 6 | 2 | |
|
Wheatfields Ntua Wheatfields · County |
321 | 1 | 0 | |
|
Buckskin Artists Community Heber · Navajo County |
320 | 2 | 1 | |
|
Sedona View RV Resort Cottonwood · Yavapai County |
320 | 0 | 0 | |
|
Dateland Public Service CO Dateland · Yuma County |
319 | 6 | 0 | |
|
McPrd White Tanks White Tanks · Maricopa County |
318 | 0 | 0 | |
|
Northern Sunrise WC Mustang Crystal Sierra Vista · Cochise County |
315 | 0 | 0 | |
|
San Simon Dwid San Simon · Cochise County |
312 | 6 | 2 | |
|
Ash Creek Water Company Pima · Graham County |
310 | 1 | 1 | |
|
Thim Utility Company Three Points · Pima County |
310 | 0 | 0 | |
|
Shiloh Water Company Sahuarita · Pima County |
309 | 3 | 0 | |
|
Lamplighter RV Resort Star Valley · Gila County |
308 | 1 | 1 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Arizona records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.