Population Served
138.3K
Service Connections
27
Total Violations
2
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution2.30 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Non-Transient Non-Community
- City
- TAMUNING
- ZIP Code
- 96913
- Counties Served
- Guam
- Cities Served
- Tamuning
- Open Violations
- 0
- State
- Guam
Violation Summary
2
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2025-07-01
Explore Guam Water Quality
See all water systems, lead data, and violation trends for Guam.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: GU0000018.SafeWater Home