Grand Canyon National Park

PWSID: AZ0403702

System Details

Population Served16,590
Service Connections630
Water SourceGroundwater
System TypeCommunity Water System
OwnerFederal
StatusActive
CityGrand Canyon
Zip Code86023

Areas Served

  • Grand Canyon, Coconino County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0120 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0074 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0074 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0071 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

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-09-02Open

Violation History (169 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01Returned to Compliance
2025-04-01 MajorAcknowledged
2025-04-01 MajorReturned to Compliance
2025-04-01 MajorAcknowledged
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2024-10-17YesReturned to Compliance
2024-10-17Returned to Compliance
2024-10-01Returned to Compliance
2024-10-01 MajorAcknowledged
2024-10-01 MajorAcknowledged

Showing 50 of 168 historical violations.