Nogales City of

PWSID: AZ0412004

System Details

Population Served22,000
Service Connections5,400
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityNogales
Zip Code85621

Areas Served

  • Nogales, Santa Cruz County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0010 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
2024-10-17Open
2024-10-17YesOpen

Violation History (661 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01 MajorAcknowledged
2024-12-20Returned to Compliance
2024-10-01 MajorReturned to Compliance
2024-10-01 MajorReturned to Compliance
2024-10-01 MajorReturned to Compliance
2024-10-01 MajorReturned to Compliance
2024-10-01 MajorReturned to Compliance
2024-04-28Returned to Compliance
2024-04-28Returned to Compliance
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorAcknowledged
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorAcknowledged
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorAcknowledged
2023-10-01 MajorReturned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2023-07-01 MajorReturned to Compliance
2023-07-01 MajorAcknowledged
2023-07-01 MajorAcknowledged
2023-07-01 MajorAcknowledged
2023-07-01 MajorReturned to Compliance
2023-04-01 MajorReturned to Compliance
2023-04-01 MajorReturned to Compliance
2023-04-01 MajorAcknowledged
2023-04-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2021-11-15YesReturned to Compliance
2021-11-15YesReturned to Compliance
2020-10-11Returned to Compliance
2020-02-13Returned to Compliance
2020-01-01Returned to Compliance
2019-08-01 MajorReturned to Compliance
2019-08-01 MajorReturned to Compliance
2019-04-01 MajorReturned to Compliance
2018-08-01 MajorReturned to Compliance

Showing 50 of 659 historical violations.