EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

CITY WATER-SYSTEM LEDGER

Tucson, Arizona

Compare active community water systems serving this city in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems13active CWS · pop. 2,500+
Population served873,338reported total; may overlap
Current violation flag23.1%3 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Tucson

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Tucson City OfAZ0410112732,906Ground waterNo current violation flagged
Metropolitan DwidAZ041007645,570Ground waterOther current violation flag
Usaf Davis Monthan AfbAZ042054918,640Ground waterNo current violation flagged
Vail Water CompanyAZ041004117,500Ground waterNo current violation flagged
Flowing Wells Irrigation DistrictAZ041005116,000Ground waterCurrent monitoring/reporting flag
Tucson Water Corona De TucsonAZ041016910,217Ground waterNo current violation flagged
Avra Water Coop IncAZ04100066,685Ground waterNo current violation flagged
Metropolitan Dwid - Diablo VillageAZ04103575,542Ground waterNo current violation flagged
Adoc TucsonAZ04205574,500Ground waterNo current violation flagged
Ray Water Company IncAZ04100954,495Ground waterNo current violation flagged
Metropolitan Dwid - HubAZ04100604,252Ground waterNo current violation flagged
Spanish Trail Water CompanyAZ04101273,822Ground waterCurrent health-based flag
Voyager Water CompanyAZ04100353,209Ground waterNo current violation flagged

02 / SOURCE MIX

Ground water13 systems · 873,338 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.