Arizona
Pinal County drinking water quality
95 active public water systems serve 506,397 people in Pinal County. 15 are compliant, 80 had at least one EPA violation in the past three years, 0 are designated serious violators, and 4 carry a health flag.
Needs attention
Community water systems
64 systems, largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
New Saddleback Vista Maricopa |
100 | 4 | 1 | |
|
Signal Peak Water Company Coolidge |
99 | 4 | 0 | |
|
GW Santa Cruz Water -Twin Hawks Water Maricopa |
64 | 2 | 0 | |
|
American Realty Mortgage Company Maricopa |
60 | 0 | 0 | |
|
Aravaipa Water Company Hayden |
60 | 6 | 2 | |
|
Picacho Peak Water Company Picacho |
55 | 7 | 1 | |
|
Bidegain Water Company Kearny |
49 | 6 | 0 | |
|
Northern Section 4 Coop Apache Junction |
48 | 6 | 3 | |
|
Davis Ranch Land Owners Red Rock |
40 | 3 | 1 | |
|
Breezeway Trailer Park Kearny |
38 | 3 | 1 | |
|
GW Santa Cruz Water CP Water CO Casa Grande |
37 | 1 | 0 | |
|
Saguaro Mobile Home Park Kearny |
36 | 4 | 0 | |
|
Indian Hills Estates Winkelman |
30 | 5 | 0 | |
|
CS Carter Water Company Carter |
28 | 5 | 2 |
Non-community systems (31: schools, campgrounds, workplaces, restaurants)
These systems serve places people visit rather than homes.
Inactive systems (185, no longer operating or reporting)
Kept for the record and excluded from the county totals above. Browse inactive systems.
About this data
Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.
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.