Gwa Southern Water System

PWSID: GU0000001

System Details

Population Served5,801
Service Connections1,900
Water SourceSurface Water
System TypeCommunity Water System
OwnerState
StatusActive
CityMangilao
Zip Code96913

Areas Served

  • Talofofo,unatac, Guam County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)53.0000 mg/L1.300 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0009 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0008 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0008 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (2 total)

ContaminantViolationDateHealth-BasedStatus
2018-01-01YesReturned to Compliance
2018-01-01YesReturned to Compliance