Tucson City of

PWSID: AZ0410112

System Details

Population Served732,906
Service Connections191,264
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityTucson
Zip Code85726

Areas Served

  • Tucson, Pima County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0009 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0006 mg/L0.015 mg/LBelow Action Level

Violation History (138 total)

ContaminantViolationDateHealth-BasedStatus
2022-01-01Returned to Compliance
2022-01-01Returned to Compliance
2022-01-01Returned to Compliance
2022-01-01Returned to Compliance
2022-01-01Returned to Compliance
2022-01-01Returned to Compliance
2021-01-01 MajorReturned to Compliance
2019-05-01 MajorReturned to Compliance
2019-05-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance
2019-01-01 MajorReturned to Compliance

Showing 50 of 138 historical violations.