Gwa Northern Water System
PWSID: GU0000006
System Details
| Population Served | 139,207 |
| Service Connections | 39,541 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | State |
| Status | Active |
| City | Mangilao |
| Zip Code | 96913 |
Areas Served
- Adacao,adelup,agana Heights,anigua,asan,dededo,pigo,talofofo,tamuning,tumon, Guam County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Copper (90th percentile) | 170.0000 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0025 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0025 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0019 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0017 mg/L | 0.015 mg/L | Below Action Level |
Violation History (0 total)
No violations on record for this water system.