Watco Water

PWSID: AZ0409049

System Details

Population Served1,153
Service Connections332
Water SourceGroundwater
System TypeCommunity Water System
OwnerPrivate
StatusActive
CityTucson
Zip Code85754

Areas Served

  • Bourden Ranch Estates, Navajo County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0024 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0019 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
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

3 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-01Open
2025-01-01Open
2024-10-02Open

Violation History (30 total)

ContaminantViolationDateHealth-BasedStatus
2025-09-01 MajorAcknowledged
2023-10-01Returned to Compliance
2023-06-01 MajorReturned to Compliance
2023-06-01 MajorAcknowledged
2023-06-01 MajorReturned to Compliance
2022-11-06YesReturned to Compliance
2022-11-06YesReturned to Compliance
2022-09-01Returned to Compliance
2022-09-01Returned to Compliance
2020-10-23Returned to Compliance
2020-10-01Returned to Compliance
2020-07-01Returned to Compliance
2015-10-01Returned to Compliance
2015-09-25 MajorReturned to Compliance
2014-07-01Returned to Compliance
2012-10-01Returned to Compliance
2011-10-01Returned to Compliance
2011-07-01Returned to Compliance
2010-10-01Returned to Compliance
2009-07-01Returned to Compliance
2008-07-01Returned to Compliance
2007-07-01Returned to Compliance
2006-07-01Returned to Compliance
2005-07-01Returned to Compliance
2004-07-01Returned to Compliance
2003-07-01Returned to Compliance
2002-07-01Returned to Compliance